/* =================================================================
   ASTRA · EDITORIAL ADMIN — STYLE GUIDE
   typography:  Fraunces (display) · IBM Plex Sans (body) · IBM Plex Mono (data)
   -----------------------------------------------------------------
   分层(从上到下):
     1) TOKENS    设计变量(color / space / text / radius / shadow / motion)
                  改主题色 / 调全局间距只动 :root
     2) BASE      reset / typography / generic 容器
     3) COMPONENTS 命名组件(.admin-panel / .btn / .tbl-toolbar / .pager 等)
     4) UTILITIES 单职责工具类(.u-mt-* / .u-text-* / .u-flex 等)
                  仅用来替代"inline style" 的微调,不要拼复杂布局
     5) RESPONSIVE 媒体查询断点(@media)
   -----------------------------------------------------------------
   命名约定:
     .foo-bar          BEM 风的组件类
     .foo--variant     组件变体
     .u-mt-3           utility(允许放在 HTML 里)
     style="..."       仅当值是模板动态(width:{{.Pct}}%)时允许
   颜色规则:
     ink/ink-2/ink-3   文字主/次/弱(三档够用,别加新档)
     paper/paper-2/3   背景主/次/卡(同上)
     signal            CTA 红 / 当前激活态(全站唯一强调色)
     ok/warn/danger    语义色 + -soft 软底 + -rim 边
   间距规则:
     space-1 .. 7 = 4 / 6 / 8 / 12 / 16 / 24 / 36 px
     padding / margin / gap 全部走这套,不要写 10px / 14px 这种"中间值"
   文字尺寸:
     text-xs(11) / sm(12) / base(13) / md(14) / lg(15) / xl(19) / 2xl(28)
   ================================================================= */

/* Alpine.js x-cloak:初始化前隐藏带这个属性的元素,防止 x-show 等指令解析前闪烁 */
[x-cloak] { display: none !important; }

/* prefers-reduced-motion:尊重系统"减少动态效果"设置。把所有装饰性动画/过渡压到
   近乎瞬时——滑入/淡入/卡片展开直接到位,loading spinner(adminRefreshSpin /
   htmx-spinner)退化为静态(仍有半透明 + 禁用态 + 顶部进度条传达"处理中"),
   targetFade / cmdk-in 等也一并失效。一条全局规则覆盖 styles.css 与各模板内联
   <style> 的所有动画(内联规则非 !important,被此处 !important 压过)。WebAIM 推荐写法。 */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

:root {
    /* --- light theme (default): warm paper + ink --- */
    --paper:        #faf7ef;
    --paper-2:      #f4eee0;
    --paper-3:      #ebe3cf;
    --paper-rim:    #e0d7bf;
    --ink:          #18140e;
    --ink-2:        #4a4234;
    --ink-3:        #6f6755;
    --ink-4:        #b5ad99;

    --rule:         rgba(24,20,14,0.10);
    --rule-strong:  rgba(24,20,14,0.20);
    --rule-faint:   rgba(24,20,14,0.05);

    --signal:       #a82a1c;   /* signal red — used sparingly */
    --signal-2:     #851f12;
    --signal-soft:  rgba(168,42,28,0.10);
    --signal-rim:   rgba(168,42,28,0.28);

    --ok:           #2f6f3a;
    --ok-soft:      rgba(47,111,58,0.10);
    --ok-rim:       rgba(47,111,58,0.30);
    --warn:         #a26a14;
    --warn-soft:    rgba(162,106,20,0.10);
    --warn-rim:     rgba(162,106,20,0.30);
    --danger:       #a82a1c;
    --danger-soft:  rgba(168,42,28,0.08);
    --danger-rim:   rgba(168,42,28,0.28);

    --shadow-sm:    0 1px 0 rgba(24,20,14,0.04), 0 1px 2px rgba(24,20,14,0.04);
    --shadow-md:    0 4px 24px rgba(24,20,14,0.08), 0 1px 0 rgba(24,20,14,0.04);
    --shadow-lg:    0 24px 60px rgba(24,20,14,0.18), 0 1px 0 rgba(24,20,14,0.04);

    --r-xs: 2px; --r-sm: 4px; --r: 6px; --r-lg: 10px; --r-xl: 14px; --r-full: 9999px;

    /* 间距阶梯(供 utility 与组件统一引用,杜绝 10/14/22px 这种中间值) */
    --space-1: 4px;
    --space-2: 6px;
    --space-3: 8px;
    --space-4: 12px;
    --space-5: 16px;
    --space-6: 24px;
    --space-7: 36px;

    /* 文字尺寸阶梯。值跟当前实际使用最常见的几档对齐 */
    --text-xs:   11px;   /* 元数据 / 时间戳 */
    --text-sm:   12px;   /* 表内小字 / hint */
    --text-base: 13px;   /* 表内主文字 */
    --text-md:   14px;   /* 一般正文 */
    --text-lg:   15px;   /* 富文本 doc 内正文 */
    --text-xl:   19px;   /* 卡片标题 / docs h2 */
    --text-2xl:  28px;   /* 章节大标题 */

    --weight-regular: 400;
    --weight-medium:  500;
    --weight-semibold:600;

    --font-display: 'Fraunces', 'Songti SC', 'STSong', serif;
    --font-body:    'IBM Plex Sans', 'IBM Plex Sans SC', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', system-ui, sans-serif;
    --font-mono:    'IBM Plex Mono', 'SF Mono', 'JetBrains Mono', Menlo, Consolas, monospace;

    --t: 180ms cubic-bezier(0.2, 0, 0, 1);
    --t-slow: 320ms cubic-bezier(0.2, 0, 0, 1);

    --topbar-h: 60px;
    --sidebar-w: 232px;
    --content-max: 1240px;

    /* legacy aliases — old templates still reference these names */
    --bg-base:      var(--paper);
    --bg-surface:   var(--paper);
    --bg-elevated:  var(--paper-2);
    --bg-hover:     rgba(24,20,14,0.04);
    --bg-primary:   var(--bg-base);
    --bg-secondary: var(--bg-surface);
    --bg-tertiary:  var(--bg-elevated);
    --border:       var(--rule);
    --border-mid:   var(--rule);
    --border-strong:var(--rule-strong);
    --border-color: var(--border);
    --text-primary: var(--ink);
    --text-secondary: var(--ink-2);
    --text-muted: var(--ink-3);
    --accent:       var(--signal);
    --accent-hover: var(--signal-2);
    --accent-glow:  var(--signal-soft);
    --accent-soft:  var(--signal-soft);
    --accent-primary: var(--accent);
    --success: var(--ok);
    --success-bg: var(--ok-soft);
    --success-bd: var(--ok-rim);
    --warning: var(--warn);
    --warning-bg: var(--warn-soft);
    --warning-bd: var(--warn-rim);
    --danger-bg: var(--danger-soft);
    --danger-bd: var(--danger-rim);
    --topbar-bg: rgba(250,247,239,0.85);
    --radius-md: var(--r);
    --r-full: 9999px;
    color-scheme: light;
}

[data-theme="dark"] {
    --paper:        #16130d;
    --paper-2:      #1d1a13;
    --paper-3:      #26211a;
    --paper-rim:    #2e2820;
    --ink:          #efe6cf;
    --ink-2:        #b9b09a;
    --ink-3:        #9a9180;
    --ink-4:        #56503e;

    --rule:         rgba(239,230,207,0.10);
    --rule-strong:  rgba(239,230,207,0.22);
    --rule-faint:   rgba(239,230,207,0.05);

    --signal:       #e2553a;
    --signal-2:     #f47054;
    --signal-soft:  rgba(226,85,58,0.16);
    --signal-rim:   rgba(226,85,58,0.40);

    --ok:           #6fbc77;
    --ok-soft:      rgba(111,188,119,0.14);
    --ok-rim:       rgba(111,188,119,0.32);
    --warn:         #d9a14a;
    --warn-soft:    rgba(217,161,74,0.14);
    --warn-rim:     rgba(217,161,74,0.32);
    --danger:       #e2553a;
    --danger-soft:  rgba(226,85,58,0.14);
    --danger-rim:   rgba(226,85,58,0.32);

    --shadow-sm:    0 1px 0 rgba(0,0,0,0.4);
    --shadow-md:    0 8px 30px rgba(0,0,0,0.55);
    --shadow-lg:    0 24px 80px rgba(0,0,0,0.78);

    --topbar-bg: rgba(22,19,13,0.85);

    --bg-base: var(--paper);
    --bg-surface: var(--paper-2);
    --bg-elevated: var(--paper-3);
    --bg-hover: rgba(239,230,207,0.05);
    --bg-primary: var(--paper);
    --bg-secondary: var(--paper-2);
    --bg-tertiary: var(--paper-3);
    --border: var(--rule);
    --border-mid: var(--rule);
    --border-strong: var(--rule-strong);
    --border-color: var(--rule);
    --text-primary: var(--ink);
    --text-secondary: var(--ink-2);
    --text-muted: var(--ink-3);
    --accent: var(--signal);
    --accent-hover: var(--signal-2);
    --accent-glow: var(--signal-soft);
    --accent-soft: var(--signal-soft);
    --accent-primary: var(--signal);
    --success: var(--ok);
    --success-bg: var(--ok-soft);
    --success-bd: var(--ok-rim);
    --warning: var(--warn);
    --warning-bg: var(--warn-soft);
    --warning-bd: var(--warn-rim);
    --danger-bg: var(--danger-soft);
    --danger-bd: var(--danger-rim);
    color-scheme: dark;
}

/* ===== reset ===== */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
/* 主页面(document)滚动条:跟 .admin-sidebar 等内层区域统一成细窄风格,
   不再露出浏览器原生的粗滚动条。light/dark 都走 --rule-strong。 */
html { scrollbar-width: thin; scrollbar-color: var(--rule-strong) transparent; }
html::-webkit-scrollbar { width: 8px; height: 8px; }
html::-webkit-scrollbar-track { background: transparent; }
html::-webkit-scrollbar-thumb { background: var(--rule-strong); border-radius: 4px; }
body {
    min-height: 100vh;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.55;
    font-feature-settings: 'ss01', 'cv05', 'cv11';
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background var(--t), color var(--t);
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
img { max-width: 100%; display: block; }
::selection { background: var(--signal-soft); color: var(--signal-2); }

/* paper grain — very faint, only on light */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.4;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.10  0 0 0 0 0.08  0 0 0 0 0.05  0 0 0 0.06 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
[data-theme="dark"] body::before { opacity: 0.5; }

/* ===== typography ===== */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.01em;
    font-variation-settings: "opsz" 144, "SOFT" 30;
}
h1 { font-size: 38px; line-height: 1.05; font-weight: 500; }
h2 { font-size: 22px; line-height: 1.15; font-weight: 600; }
h3 { font-size: 15px; line-height: 1.25; font-weight: 600; font-family: var(--font-body); letter-spacing: 0; }
p { margin: 0; }

.kicker {
    display: inline-block;
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 400;
    font-size: 12px;
    color: var(--ink-3);
    letter-spacing: 0.02em;
}
.kicker::before { content: '— '; opacity: 0.6; }

.eyebrow {
    font-family: var(--font-mono);
    font-size: 10.5px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--ink-3);
}

.mono, code, pre, .num {
    font-family: var(--font-mono);
    font-feature-settings: 'tnum', 'zero', 'ss01';
}
.num { font-variant-numeric: tabular-nums; }

/* ===== buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 34px;
    padding: 0 14px;
    border: 1px solid transparent;
    border-radius: var(--r);
    background: transparent;
    color: var(--ink);
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    transition: background var(--t), color var(--t), border-color var(--t);
}
.btn-primary {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
}
.btn-primary:hover { background: var(--ink-2); border-color: var(--ink-2); }
[data-theme="dark"] .btn-primary { background: var(--ink); color: var(--paper); }

.btn-secondary {
    background: var(--paper-2);
    color: var(--ink);
    border-color: var(--rule-strong);
}
.btn-secondary:hover { background: var(--paper-3); }

.btn-ghost {
    background: transparent;
    color: var(--ink-2);
    border-color: transparent;
}
.btn-ghost:hover { background: var(--bg-hover); color: var(--ink); }

.btn-danger {
    background: transparent;
    color: var(--danger);
    border-color: var(--danger-rim);
}
.btn-danger:hover { background: var(--danger-soft); }

.btn-link {
    height: auto;
    padding: 0;
    background: transparent;
    color: var(--signal);
    border: 0;
    font-weight: 500;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}
.btn-link:hover { color: var(--signal-2); }

.btn-sm { height: 28px; padding: 0 10px; font-size: 12px; }
.btn-icon { width: 34px; padding: 0; }
.btn-icon.btn-sm { width: 28px; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

/* ===== forms ===== */
label {
    display: block;
    margin-bottom: 6px;
    color: var(--ink-2);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.01em;
}
input[type="text"], input[type="email"], input[type="password"], input[type="number"],
input[type="search"], input[type="date"], input[type="time"],
select, textarea {
    width: 100%;
    height: 38px;
    padding: 0 12px;
    background: var(--paper);
    border: 1px solid var(--rule-strong);
    border-radius: var(--r);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 13.5px;
    line-height: 1;
    outline: none;
    transition: border-color var(--t), box-shadow var(--t);
}
[data-theme="dark"] input[type="text"], [data-theme="dark"] input[type="email"],
[data-theme="dark"] input[type="password"], [data-theme="dark"] input[type="number"],
[data-theme="dark"] input[type="search"], [data-theme="dark"] input[type="date"],
[data-theme="dark"] select, [data-theme="dark"] textarea {
    background: var(--paper-2);
}
textarea { min-height: 76px; padding: 10px 12px; line-height: 1.5; resize: vertical; }
input::placeholder, textarea::placeholder { color: var(--ink-4); }
input:focus, select:focus, textarea:focus {
    border-color: var(--ink);
    box-shadow: 0 0 0 3px rgba(24,20,14,0.08);
}
[data-theme="dark"] input:focus, [data-theme="dark"] select:focus, [data-theme="dark"] textarea:focus {
    border-color: var(--ink-2);
    box-shadow: 0 0 0 3px rgba(239,230,207,0.08);
}
select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path fill='none' stroke='%23857c69' stroke-width='1.4' stroke-linecap='round' d='M1 1l4 4 4-4'/></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}
.form-group + .form-group { margin-top: 14px; }
.form-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 16px;
}
.form-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-grid .full, .form-group.full-span { grid-column: 1 / -1; }
.field-hint {
    display: block;
    margin-top: 4px;
    color: var(--ink-3);
    font-size: 11.5px;
    line-height: 1.4;
    font-style: italic;
    font-family: var(--font-display);
    font-variation-settings: "opsz" 9;
}
.agreement-check {
    display: flex; gap: 10px; align-items: flex-start;
    color: var(--ink-2); font-size: 13px; line-height: 1.55;
}
.agreement-check input { width: 16px; height: 16px; margin-top: 2px; accent-color: var(--ink); }

/* ===== layout primitives ===== */
.topbar-wrap {
    position: sticky;
    top: 0;
    z-index: 200;
    background: var(--topbar-bg);
    backdrop-filter: blur(18px) saturate(1.4);
    -webkit-backdrop-filter: blur(18px) saturate(1.4);
    border-bottom: 1px solid var(--rule);
}
.app-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    height: var(--topbar-h);
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 0 28px;
}
/* ===== app-nav (shared user topbar tabs) ===== */
.app-nav {
    display: flex;
    align-items: stretch;
    gap: 0;
    height: var(--topbar-h);
    flex: 1;
    margin-left: 8px;
    overflow-x: auto;
    scrollbar-width: none;
}
.app-nav::-webkit-scrollbar { display: none; }
.app-nav a {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 0 14px;
    color: var(--ink-3);
    font-family: var(--font-body);
    font-size: 13.5px;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    transition: color var(--t);
}
.app-nav a:hover { color: var(--ink); }
.app-nav a::after {
    content: '';
    position: absolute;
    left: 14px; right: 14px; bottom: 0;
    height: 2px;
    background: var(--ink);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--t);
}
body.page-home     .app-nav a[data-nav="home"],
body.page-usage    .app-nav a[data-nav="usage"],
body.page-settings .app-nav a[data-nav="settings"],
body.page-docs     .app-nav a[data-nav="docs"] {
    color: var(--ink);
    font-weight: 600;
}
body.page-home     .app-nav a[data-nav="home"]::after,
body.page-usage    .app-nav a[data-nav="usage"]::after,
body.page-settings .app-nav a[data-nav="settings"]::after,
body.page-docs     .app-nav a[data-nav="docs"]::after {
    transform: scaleX(1);
}
/* utility-link active state (account) */
body.page-account .app-util-link[data-util="account"] {
    background: var(--bg-hover);
    color: var(--ink);
    font-weight: 600;
}
.app-nav a kbd {
    display: none;
}
@media (max-width: 720px) {
    .app-nav { margin-left: 4px; }
    .app-nav a { padding: 0 9px; font-size: 12.5px; }
    .app-nav a::after { left: 9px; right: 9px; }
}

.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-icon, .auth-logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.brand-logo { width: 28px; height: 28px; object-fit: contain; display: block; }
.brand-icon .brand-logo { width: 28px; height: 28px; }
.auth-logo-icon .brand-logo { width: 36px; height: 36px; }
.brand-text strong {
    display: block;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 16px;
    color: var(--ink);
    line-height: 1.05;
    letter-spacing: -0.01em;
}
.brand-text span {
    display: block;
    font-family: var(--font-display);
    font-style: italic;
    font-size: 11.5px;
    color: var(--ink-3);
    line-height: 1.2;
    margin-top: 1px;
}
.top-actions { display: flex; align-items: center; gap: 8px; }

.app-shell {
    width: 100%;
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 32px 28px 80px;
    position: relative;
    z-index: 1;
}
.section { scroll-margin-top: calc(var(--topbar-h) + 16px); }
.section + .section { margin-top: 36px; }
.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 14px;
    padding-bottom: 16px;
    margin-bottom: 22px;
    border-bottom: 1px solid var(--rule);
}
.section-header h2 { font-size: 22px; }
.section-header p {
    margin-top: 6px;
    color: var(--ink-3);
    font-size: 13px;
    font-style: italic;
    font-family: var(--font-display);
    font-variation-settings: "opsz" 9;
}

/* ===== page-head (unified header for all 4 user pages) ===== */
.page-head {
    margin-bottom: 28px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--rule);
}
.page-head-kicker {
    display: inline-block;
    margin-bottom: 10px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--ink-3);
}
.page-head-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
}
.page-head-title {
    font-family: var(--font-display);
    font-size: 38px;
    font-weight: 400;
    line-height: 1;
    color: var(--ink);
    letter-spacing: -0.02em;
    font-variation-settings: "opsz" 144, "SOFT" 30;
    flex: 1;
    min-width: 0;
}
.page-head-title em {
    font-style: italic;
    font-weight: 400;
    color: var(--ink-2);
    margin-left: 10px;
    font-size: 0.62em;
    font-variation-settings: "opsz" 144, "SOFT" 100;
    letter-spacing: -0.005em;
    vertical-align: 0.16em;
}
.page-head-aside {
    flex-shrink: 0;
    color: var(--ink-3);
    font-size: 13px;
    font-style: italic;
    font-family: var(--font-display);
    font-variation-settings: "opsz" 9;
    text-align: right;
    max-width: 320px;
    line-height: 1.4;
}
.page-head-sub {
    margin-top: 12px;
    color: var(--ink-3);
    font-size: 14px;
    font-style: italic;
    font-family: var(--font-display);
    font-variation-settings: "opsz" 9;
    line-height: 1.5;
    max-width: 760px;
}
.page-head.minimal {
    margin-bottom: 22px;
    padding-bottom: 0;
    border-bottom: 0;
}
@media (max-width: 640px) {
    .page-head { margin-bottom: 20px; padding-bottom: 14px; }
    .page-head-title { font-size: 28px; }
    .page-head-title em { font-size: 0.58em; margin-left: 6px; }
    .page-head-aside { max-width: 100%; text-align: left; }
    .page-head-sub { font-size: 13px; }
}

/* ===== editorial section title (used by admin)
   Compact ops-first version: single 48px-tall row, no kicker block. The dashboard
   overview can opt back into a tall display title via .ed-title.hero when warranted. */
.ed-title {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
    padding-bottom: 12px;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--ink);
}
[data-theme="dark"] .ed-title { border-bottom-color: var(--ink-2); }
.ed-title-num {
    font-family: var(--font-mono);
    font-size: 10.5px;
    font-weight: 500;
    color: var(--ink-3);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    white-space: nowrap;
    flex-shrink: 0;
}
.ed-title h1 {
    font-family: var(--font-display);
    font-size: 26px;
    font-weight: 400;
    line-height: 1.05;
    color: var(--ink);
    font-variation-settings: "opsz" 144, "SOFT" 30;
    letter-spacing: -0.01em;
    flex: 1;
    min-width: 0;
}
.ed-title h1 em {
    font-style: italic;
    font-weight: 400;
    color: var(--ink-2);
    margin-left: 6px;
}
.ed-title-meta {
    color: var(--ink-3);
    font-size: 12px;
    font-style: italic;
    font-family: var(--font-display);
    font-variation-settings: "opsz" 9;
    text-align: right;
    flex-shrink: 0;
}
.ed-title-row { display: contents; } /* legacy — older usage flattened into .ed-title */
.ed-title-rule { display: none; }    /* legacy — replaced by border-bottom */

/* ed-title.hero — kept for the overview only: full editorial cover */
.ed-title.hero {
    display: block;
    border: 0;
    padding: 0;
    margin-bottom: 28px;
}
.ed-title.hero .ed-title-rule {
    display: block;
    height: 1px;
    background: var(--ink);
    margin-bottom: 14px;
}
.ed-title.hero .ed-title-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}
.ed-title.hero h1 { font-size: 44px; line-height: 1; }
.ed-title.hero .ed-title-num { font-size: 12px; }
.ed-title.hero .ed-title-meta { max-width: 420px; }

/* ===== surfaces ===== */
.surface, .dashboard-panel, .admin-panel {
    background: var(--paper);
    border: 1px solid var(--rule);
    border-radius: var(--r-lg);
    overflow: hidden;
}
[data-theme="dark"] .surface, [data-theme="dark"] .dashboard-panel, [data-theme="dark"] .admin-panel {
    background: var(--paper-2);
}
.surface-header, .panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--rule);
}
.surface-header h2, .panel-header h3 {
    font-family: var(--font-body);
    font-size: 13.5px;
    font-weight: 600;
    letter-spacing: 0;
    color: var(--ink);
}
.surface-header p, .panel-header span {
    color: var(--ink-3);
    font-size: 12px;
    font-style: italic;
    font-family: var(--font-display);
    font-variation-settings: "opsz" 9;
}
.surface-body, .panel-body { padding: 18px; }

.panel-header-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.panel-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}
.panel-grid.single { grid-template-columns: 1fr; }
.admin-panel.full { grid-column: 1 / -1; }

/* ===== tables ===== */
.table-wrap, .admin-table-wrap, .log-table-wrap {
    overflow: auto;
    border-top: 1px solid var(--rule);
}
.surface > .table-wrap, .admin-panel > .admin-table-wrap, .admin-panel > .log-table-wrap {
    border-top: 0;
}
.surface > .panel-header + .table-wrap,
.admin-panel > .panel-header + .admin-table-wrap,
.admin-panel > .panel-header + .log-table-wrap { border-top: 1px solid var(--rule); }

table.data-table, table.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    min-width: 720px;
}
table.data-table.compact, table.admin-table.compact { min-width: 580px; font-size: 12.5px; }
table.data-table.wide, table.admin-table.wide { min-width: 1120px; }

.data-table th, .data-table td,
.admin-table th, .admin-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--rule);
    text-align: left;
    vertical-align: middle;
}
.data-table th, .admin-table th {
    font-family: var(--font-mono);
    font-size: 10.5px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--ink-3);
    background: transparent;
    white-space: nowrap;
    padding-top: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--ink);
}
[data-theme="dark"] .data-table th, [data-theme="dark"] .admin-table th {
    border-bottom-color: var(--ink-2);
}
.data-table tbody tr:last-child td,
.admin-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover td,
.admin-table tbody tr:hover td { background: var(--bg-hover); }
.admin-table td.num, .admin-table td.nowrap, .data-table td.nowrap {
    white-space: nowrap;
}
.admin-table td .mono, .data-table td .mono { font-size: 12px; }
.admin-table td.right, .data-table td.right { text-align: right; }
.admin-table td.tabnum, .data-table td.tabnum {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-size: 12.5px;
}

/* inline-edit row inputs (dense) */
.admin-table input[type="text"],
.admin-table input[type="number"],
.admin-table select {
    height: 30px;
    padding: 0 8px;
    font-size: 12.5px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--r-sm);
}
.admin-table input[type="text"]:hover,
.admin-table select:hover {
    border-color: var(--rule);
    background: var(--paper-2);
}
.admin-table input[type="text"]:focus,
.admin-table select:focus {
    border-color: var(--ink);
    background: var(--paper);
    box-shadow: 0 0 0 2px rgba(24,20,14,0.06);
}
[data-theme="dark"] .admin-table input[type="text"]:focus,
[data-theme="dark"] .admin-table select:focus {
    background: var(--paper-2);
}
.admin-table input.price-input,
.admin-table input.text-input { font-family: var(--font-mono); font-size: 12px; }
.admin-table input.price-input { text-align: right; }
.admin-table form { display: contents; }

.truncate-cell { max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* group rows for level-models */
.level-model-group-row td {
    padding: 16px 14px 6px;
    border-bottom: 1px solid var(--rule);
    background: transparent;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 13px;
    letter-spacing: 0.01em;
}
.level-model-group-row td strong {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 600;
    font-size: 16px;
    color: var(--ink);
    margin-right: 6px;
}
.level-model-family-row td {
    padding: 4px 14px 4px 28px;
    font-family: var(--font-mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--ink-3);
    background: transparent;
    border-bottom: 1px dashed var(--rule);
}

/* ===== alerts ===== */
.alert {
    margin-bottom: 18px;
    padding: 12px 16px;
    border-left: 3px solid;
    background: var(--paper-2);
    color: var(--ink);
    font-size: 13.5px;
    line-height: 1.5;
    border-radius: 0 var(--r) var(--r) 0;
}
.alert-error { border-color: var(--danger); color: var(--danger); }
.alert-success { border-color: var(--ok); color: var(--ok); }

/* ===== badges ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    height: 22px;
    padding: 0 8px;
    border: 1px solid transparent;
    border-radius: var(--r-full);
    font-family: var(--font-mono);
    font-size: 10.5px;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    white-space: nowrap;
}
.badge-success { background: var(--ok-soft); color: var(--ok); border-color: var(--ok-rim); }
.badge-danger  { background: var(--danger-soft); color: var(--danger); border-color: var(--danger-rim); }
.badge-warning { background: var(--warn-soft); color: var(--warn); border-color: var(--warn-rim); }
.badge-neutral { background: var(--paper-2); color: var(--ink-2); border-color: var(--rule-strong); }
.badge-dot::before {
    content: '';
    width: 5px; height: 5px;
    border-radius: 50%;
    background: currentColor;
    margin-right: 1px;
}

/* status pill helpers used by tables */
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    height: 20px;
    padding: 0 7px;
    border-radius: var(--r-full);
    font-family: var(--font-mono);
    font-size: 10.5px;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.status-pill::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.status-on { background: var(--ok-soft); color: var(--ok); }
.status-off { background: var(--paper-2); color: var(--ink-3); border: 1px solid var(--rule); }
.status-err { background: var(--danger-soft); color: var(--danger); }
.status-warn { background: rgba(234, 179, 8, 0.12); color: #b45309; }
.status-canceled { background: var(--paper-2); color: var(--ink-3); border: 1px dashed var(--rule); }
.status-info { background: rgba(99, 102, 241, 0.12); color: #4f46e5; }

/* ===== copy row ===== */
.copy-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--paper-2);
    border: 1px solid var(--rule);
    border-radius: var(--r);
}
.copy-row code, .usage-footer code {
    flex: 1;
    min-width: 0;
    color: var(--ink);
    font-family: var(--font-mono);
    font-size: 12.5px;
    word-break: break-all;
}

/* ===== link ===== */
.link {
    color: var(--signal);
    font-weight: 500;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}
.link:hover { color: var(--signal-2); }

/* ===== content grid (forms etc.) ===== */
.content-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.content-grid.three { grid-template-columns: repeat(3, 1fr); }
.content-grid.four  { grid-template-columns: repeat(4, 1fr); }
.content-grid .full { grid-column: 1 / -1; }

/* ===== legacy tabs (settings/usage/docs) ===== */
.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 18px;
    padding: 4px;
    background: var(--paper-2);
    border: 1px solid var(--rule);
    border-radius: var(--r-lg);
}
.tab {
    flex: 1;
    min-height: 32px;
    padding: 0 12px;
    background: transparent;
    border: 0;
    border-radius: var(--r);
    color: var(--ink-2);
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--t);
}
.tab:hover { color: var(--ink); }
.tab.active {
    background: var(--paper);
    color: var(--ink);
    box-shadow: var(--shadow-sm);
}
[data-theme="dark"] .tab.active { background: var(--paper-3); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ===== page-grid (settings) ===== */
.page-grid { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 36px; align-items: start; }
.sidebar { position: sticky; top: calc(var(--topbar-h) + 28px); }
.side-nav { display: flex; flex-direction: column; gap: 1px; }
.side-nav a, .side-nav button {
    display: flex; align-items: center; justify-content: space-between;
    width: 100%; height: 34px; padding: 0 12px;
    background: transparent;
    border: 0;
    border-left: 2px solid transparent;
    color: var(--ink-2);
    cursor: pointer;
    font-family: var(--font-body); font-size: 13px; font-weight: 500;
    text-align: left; text-decoration: none;
    transition: all var(--t);
}
.side-nav a:hover, .side-nav button:hover { color: var(--ink); background: var(--bg-hover); }
.side-nav a.active, .side-nav button.active {
    color: var(--ink);
    background: var(--bg-hover);
    border-left-color: var(--signal);
    font-weight: 600;
}
.side-nav small { color: var(--ink-4); font-size: 11px; font-family: var(--font-mono); }

/* ===== balance card (user home — focal balance hero) ===== */
.balance-card {
    position: relative;
    overflow: hidden;
    padding: 38px 44px 30px;
    background: var(--paper);
    border: 1px solid var(--rule-strong);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-md);
}
[data-theme="dark"] .balance-card { background: var(--paper-2); }

.balance-card .balance-greeting {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 400;
    font-size: 16px;
    color: var(--ink-3);
    letter-spacing: -0.01em;
    font-variation-settings: "opsz" 9;
    margin-bottom: 4px;
}
.balance-card .balance-greeting strong {
    color: var(--ink);
    font-style: normal;
    font-weight: 500;
    font-family: var(--font-display);
    margin: 0 2px;
    font-variation-settings: "opsz" 9;
}

.balance-card-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 26px;
}
.balance-card-label {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--ink-3);
    font-weight: 500;
}
.balance-card-tier {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 26px;
    padding: 0 12px;
    border: 1px solid var(--ink);
    border-radius: var(--r-full);
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 500;
    font-size: 13px;
    color: var(--ink);
    background: transparent;
}
.balance-card-tier::before {
    content: '';
    width: 5px; height: 5px;
    background: var(--ink);
    border-radius: 50%;
}
.balance-card-tier.empty {
    border-color: var(--rule-strong);
    color: var(--ink-3);
}
.balance-card-tier.empty::before { background: var(--ink-4); }

.balance-card-amount {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 96px;
    line-height: 0.95;
    color: var(--ink);
    letter-spacing: -0.04em;
    font-variation-settings: "opsz" 144, "SOFT" 30;
    font-variant-numeric: tabular-nums;
    word-break: break-word;
    margin-bottom: 4px;
    display: flex;
    align-items: baseline;
    gap: 6px;
}
.balance-card-amount .currency {
    font-size: 0.42em;
    font-style: italic;
    color: var(--ink-3);
    font-weight: 400;
    font-variation-settings: "opsz" 9, "SOFT" 100;
    letter-spacing: 0;
    margin-right: 2px;
}
.balance-card-amount .cents {
    font-size: 0.42em;
    font-style: italic;
    color: var(--ink-3);
    font-variation-settings: "opsz" 9, "SOFT" 60;
    letter-spacing: 0;
    align-self: flex-start;
    margin-top: 0.18em;
}
.balance-card-amount.zero { color: var(--ink-3); }
.balance-card-amount.zero .currency,
.balance-card-amount.zero .cents { color: var(--ink-4); }

.balance-card-progress {
    margin-top: 14px;
    margin-bottom: 26px;
}
.balance-card-progress-bar {
    width: 100%; height: 4px;
    background: var(--paper-3);
    overflow: hidden;
    border-radius: var(--r-full);
}
.balance-card-progress-bar > span {
    display: block; height: 100%;
    background: var(--ink);
    transition: width 600ms cubic-bezier(0.2, 0, 0, 1);
}
.balance-card-progress-meta {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 14px;
    margin-top: 10px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--ink-3);
    letter-spacing: 0.02em;
    flex-wrap: wrap;
}
.balance-card-progress-meta strong {
    color: var(--ink-2);
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}
.balance-card-progress-meta .pct {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 500;
    font-size: 14px;
    color: var(--ink);
    font-variation-settings: "opsz" 9;
}

.balance-card-footer {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    padding-top: 22px;
    border-top: 1px solid var(--rule);
}
.balance-card-footer-cell {
    padding-right: 18px;
    border-right: 1px solid var(--rule);
}
.balance-card-footer-cell:last-child {
    border-right: 0;
    padding-right: 0;
    padding-left: 18px;
}
.balance-card-footer-cell:not(:first-child):not(:last-child) {
    padding-left: 18px;
}
.balance-card-footer-label {
    font-family: var(--font-mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--ink-3);
    font-weight: 500;
}
.balance-card-footer-value {
    margin-top: 10px;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 22px;
    color: var(--ink);
    line-height: 1.05;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.01em;
    word-break: break-word;
}
.balance-card-footer-value.zero { color: var(--ink-3); }
.balance-card-footer-sub {
    margin-top: 4px;
    font-family: var(--font-display);
    font-style: italic;
    font-size: 12.5px;
    color: var(--ink-3);
    font-variation-settings: "opsz" 9;
    line-height: 1.4;
}

/* warning state — last few days, low balance */
.balance-card.warn { border-color: var(--warn-rim); }
.balance-card.warn::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--warn);
}
.balance-card.warn .balance-card-amount { color: var(--warn); }
.balance-card.warn .balance-card-progress-bar > span { background: var(--warn); }

/* empty state — no balance at all */
.balance-card.empty .balance-card-amount {
    margin-bottom: 24px;
}
.balance-card-empty {
    margin-top: 6px;
    padding-top: 22px;
    border-top: 1px solid var(--rule);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
}
.balance-card-empty p {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 15px;
    color: var(--ink-2);
    line-height: 1.5;
    font-variation-settings: "opsz" 9;
    max-width: 560px;
}
.balance-card-empty p strong {
    color: var(--ink);
    font-weight: 500;
}
.balance-card-empty .empty-cta {
    flex-shrink: 0;
}

/* responsive */
@media (max-width: 720px) {
    .balance-card { padding: 28px 24px 24px; }
    .balance-card-amount { font-size: 68px; }
    .balance-card-footer { grid-template-columns: 1fr; gap: 0; }
    .balance-card-footer-cell {
        padding: 16px 0 !important;
        border-right: 0 !important;
        border-bottom: 1px solid var(--rule);
    }
    .balance-card-footer-cell:last-child { border-bottom: 0; }
}

/* ===== legacy account hero (kept for any other consumers) ===== */
.account-hero {
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    border: 1px solid var(--rule-strong);
    border-radius: var(--r-xl);
    background: var(--paper);
    box-shadow: var(--shadow-md);
    min-height: 240px;
}
[data-theme="dark"] .account-hero { background: var(--paper-2); }
.account-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 6px;
    background: var(--ink);
}
.hero-main, .hero-balance { position: relative; padding: 32px 36px; }
.hero-main { display: flex; flex-direction: column; justify-content: space-between; gap: 24px; }
.hero-kicker {
    font-family: var(--font-mono);
    font-size: 10.5px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--ink-3);
    margin-bottom: 12px;
}
.hero-name {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 36px;
    line-height: 1;
    color: var(--ink);
    word-break: break-word;
    font-variation-settings: "opsz" 144, "SOFT" 50;
    letter-spacing: -0.02em;
}
.hero-email { margin-top: 8px; color: var(--ink-3); font-size: 13.5px; word-break: break-word; }
.hero-status { margin-top: 18px; }
.hero-stat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--rule);
}
.hero-stat { padding: 16px 0; border-right: 1px solid var(--rule); padding-right: 12px; padding-left: 0; }
.hero-stat:first-child { padding-left: 0; }
.hero-stat:last-child { border-right: 0; padding-right: 0; }
.hero-stat-label {
    font-family: var(--font-mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--ink-3);
    font-weight: 500;
}
.hero-stat-value {
    margin-top: 6px;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 18px;
    line-height: 1.15;
    color: var(--ink);
    word-break: break-word;
}
.hero-balance {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 18px;
    padding: 32px 36px 32px 0;
    border-left: 1px solid var(--rule);
}
.hero-balance > div:first-child { padding-left: 36px; }
.hero-balance-meta { padding-left: 36px; padding-top: 16px; border-top: 1px solid var(--rule); }
.hero-balance-label {
    font-family: var(--font-mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--ink-3);
    font-weight: 500;
}
.hero-balance-amount {
    margin-top: 12px;
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 56px;
    line-height: 1;
    color: var(--ink);
    word-break: break-word;
    font-variation-settings: "opsz" 144, "SOFT" 30;
    letter-spacing: -0.03em;
}
.hero-balance-amount em {
    font-style: italic;
    font-family: var(--font-display);
    font-weight: 400;
    color: var(--ink-3);
    font-size: 0.5em;
    margin-left: 6px;
}
.hero-balance-sub { margin-top: 10px; color: var(--ink-3); font-size: 12.5px; line-height: 1.5; }
.hero-balance-meta-label {
    font-family: var(--font-mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--ink-3);
    font-weight: 500;
}
.hero-balance-meta-value { margin-top: 4px; color: var(--ink); font-size: 14px; font-weight: 500; }
.progress {
    width: 100%; height: 3px;
    margin-top: 14px;
    background: var(--paper-3);
    overflow: hidden;
    border-radius: var(--r-full);
}
.progress > span {
    display: block; height: 100%;
    background: var(--ink);
    transition: width var(--t-slow);
}

/* ===== home notice ===== */
.home-notice {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 16px 22px;
    background: var(--paper-2);
    border: 1px solid var(--rule);
    border-left: 3px solid var(--signal);
    border-radius: var(--r-lg);
}
.home-notice-label {
    font-family: var(--font-mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-weight: 500;
    color: var(--signal);
}
.home-notice-text { margin-top: 4px; color: var(--ink); font-size: 14.5px; font-weight: 500; line-height: 1.55; white-space: pre-wrap; }

/* ===== usage cards ===== */
.usage-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-bottom: 1px solid var(--rule);
}
.usage-cell { padding: 22px 24px; border-right: 1px solid var(--rule); }
.usage-cell:nth-child(2n) { border-right: 0; }
.usage-summary-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.usage-summary-card {
    padding: 22px 24px;
    background: var(--paper);
    border: 1px solid var(--rule);
    border-radius: var(--r-lg);
}
[data-theme="dark"] .usage-summary-card { background: var(--paper-2); }
.usage-summary-card span {
    font-family: var(--font-mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--ink-3);
    font-weight: 500;
}
.usage-summary-card strong {
    display: block; margin-top: 6px;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 32px;
    line-height: 1.05;
    color: var(--ink);
}
.usage-summary-card small { display: block; margin-top: 6px; color: var(--ink-3); font-size: 12px; }
.metric-label {
    font-family: var(--font-mono);
    font-size: 10.5px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--ink-3);
}
.metric-value {
    margin-top: 8px;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 30px;
    line-height: 1.05;
    color: var(--ink);
    word-break: break-word;
}
.metric-card {
    padding: 18px 20px;
    background: var(--paper);
    border: 1px solid var(--rule);
    border-radius: var(--r-lg);
}
[data-theme="dark"] .metric-card { background: var(--paper-2); }

/* ===== usage footer (api base url copy) ===== */
.usage-footer {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 24px;
    background: var(--paper-2);
    flex-wrap: wrap;
}
.usage-footer strong {
    font-family: var(--font-mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--ink-3);
    font-weight: 500;
    flex-shrink: 0;
}

/* ===== /usage 账单明细分页控件 ===== */
.usage-pagebar-head {
    display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.usage-pagebar-head .badge { font-family: var(--font-body); font-weight: 400; }
.usage-pagebar-head .badge strong { color: var(--ink); font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 600; }
.page-size-picker {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 12px;
    color: var(--ink-3);
}
.page-size-picker select {
    padding: 3px 8px;
    border: 1px solid var(--rule);
    border-radius: 4px;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-mono);
    font-size: 12px;
    cursor: pointer;
}

.pager {
    display: flex; align-items: center; gap: 4px; flex-wrap: wrap;
    font-family: var(--font-mono);
    font-size: 13px;
}
.pager .pager-step,
.pager .pager-num {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 32px; height: 30px;
    padding: 0 10px;
    border: 1px solid var(--rule);
    border-radius: 4px;
    background: var(--paper);
    color: var(--ink-2, var(--ink));
    text-decoration: none;
    transition: border-color 0.12s ease, background 0.12s ease, color 0.12s ease;
}
.pager .pager-step:hover,
.pager .pager-num:hover { background: var(--bg-hover); border-color: var(--rule-strong); color: var(--ink); }
.pager .pager-num.current {
    background: var(--ink); color: var(--paper); border-color: var(--ink);
    font-weight: 600; cursor: default;
}
.pager .pager-num.ellipsis {
    border: 0; background: transparent; color: var(--ink-3);
    min-width: 22px; padding: 0;
    cursor: default;
}
.pager .pager-step.disabled,
.pager .pager-num.disabled {
    color: var(--ink-3); cursor: not-allowed;
    background: var(--paper); border-color: var(--rule);
}
.pager-jump {
    display: inline-flex; align-items: center; gap: 6px;
    margin-left: 8px;
    color: var(--ink-3); font-size: 12px;
}
.pager-jump input {
    width: 56px;
    padding: 4px 8px;
    border: 1px solid var(--rule);
    border-radius: 4px;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-mono);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
    text-align: center;
}
.pager-jump input::-webkit-outer-spin-button,
.pager-jump input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
/* loading 态:htmx 请求期间给 hx-indicator 加 htmx-request 类 */
#billing-records.htmx-request .table-wrap { opacity: 0.4; pointer-events: none; transition: opacity 0.12s ease; }

/* ===== daily list ===== */
.daily-list { display: flex; flex-direction: column; }
.daily-row {
    display: grid;
    grid-template-columns: 100px minmax(160px, 0.5fr) minmax(0, 1fr);
    gap: 20px; align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--rule);
    transition: background var(--t);
}
.daily-row:last-child { border-bottom: 0; }
.daily-row:hover { background: var(--bg-hover); }
.daily-date strong { display: block; font-family: var(--font-mono); font-size: 13px; font-weight: 500; color: var(--ink); }
.daily-date span { display: block; margin-top: 2px; color: var(--ink-3); font-size: 11.5px; font-style: italic; font-family: var(--font-display); font-variation-settings: "opsz" 9; }
.daily-load { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; }
.daily-bar { height: 3px; background: var(--paper-3); overflow: hidden; }
.daily-bar span { display: block; height: 100%; background: var(--ink); }
.daily-load span { font-family: var(--font-mono); color: var(--ink-2); font-size: 12px; }
.daily-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.daily-metrics div span { display: block; font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-3); }
.daily-metrics div strong { display: block; margin-top: 2px; font-size: 13px; font-weight: 500; color: var(--ink); }

/* ===== key management ===== */
.key-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 14px; align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--rule);
}
.key-row:last-child { border-bottom: 0; }
.key-title { color: var(--ink); font-weight: 600; font-size: 14px; }
.key-meta { margin-top: 3px; color: var(--ink-3); font-size: 12px; font-family: var(--font-mono); }
.key-actions { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }

/* inline create-key row sits on top of key list */
.key-create-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--rule);
}
.key-create-row input[type="text"] {
    height: 36px;
    background: var(--paper-2);
    border-color: var(--rule);
}
.key-create-row .field-hint { margin-top: 6px; }

/* tiny menu (overflow ⋯) used by key actions */
.menu-anchor { position: relative; display: inline-flex; }
.menu-button {
    width: 28px; height: 28px;
    display: grid; place-items: center;
    background: transparent;
    border: 1px solid var(--rule-strong);
    border-radius: var(--r);
    color: var(--ink-2);
    cursor: pointer;
    transition: all var(--t);
}
.menu-button:hover { background: var(--bg-hover); color: var(--ink); }
.menu-popover {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 160px;
    background: var(--paper);
    border: 1px solid var(--rule-strong);
    border-radius: var(--r);
    box-shadow: var(--shadow-md);
    z-index: 50;
    padding: 4px;
    display: none;
    flex-direction: column;
    gap: 1px;
}
[data-theme="dark"] .menu-popover { background: var(--paper-2); }
.menu-popover.open { display: flex; }
.menu-popover form { display: contents; }
.menu-popover button {
    height: 32px;
    padding: 0 12px;
    background: transparent;
    border: 0;
    border-radius: var(--r-sm);
    color: var(--ink-2);
    text-align: left;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 13px;
    width: 100%;
}
.menu-popover button:hover { background: var(--bg-hover); color: var(--ink); }
.menu-popover button.danger { color: var(--danger); }
.menu-popover button.danger:hover { background: var(--danger-soft); }

/* curl example block — full-width, monospace block */
.code-block {
    position: relative;
    background: var(--paper-2);
    border: 1px solid var(--rule);
    border-radius: var(--r);
    padding: 14px 16px;
    font-family: var(--font-mono);
    font-size: 12.5px;
    line-height: 1.65;
    color: var(--ink);
    white-space: pre;
    overflow-x: auto;
}
[data-theme="dark"] .code-block { background: var(--paper-3); }
.code-block-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 8px;
    color: var(--ink-3);
    font-family: var(--font-mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

/* ===== editorial home hero (extended) ===== */
.hero-marker {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--ink);
}
.hero-marker-num {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.14em;
    color: var(--ink-3);
}
.hero-marker-tier {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 400;
    font-size: 14px;
    color: var(--ink-2);
}

/* model price panel — section-header 右上 tier pill */
.models-header-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.models-header-meta .tier-pill {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    background: var(--paper-2);
    border: 1px solid var(--rule);
    border-radius: var(--r-full);
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--ink-3);
    font-weight: 500;
    white-space: nowrap;
}
.models-header-meta .tier-pill strong {
    color: var(--ink);
    font-weight: 600;
    margin-right: 2px;
}
.models-header-meta .tier-sep {
    margin: 0 8px;
    color: var(--ink-4);
}

/* dashboard-panel inner padding — 让 section-header / 表格 / footer 不再贴边 */
.dashboard-panel > .section-header {
    padding: 22px 24px 14px;
    margin-bottom: 0;
}
.dashboard-panel > .table-wrap { border-top: 0; }
.dashboard-panel > .table-wrap > table.data-table > thead > tr > th:first-child,
.dashboard-panel > .table-wrap > table.data-table > tbody > tr > td:first-child { padding-left: 24px; }
.dashboard-panel > .table-wrap > table.data-table > thead > tr > th:last-child,
.dashboard-panel > .table-wrap > table.data-table > tbody > tr > td:last-child { padding-right: 24px; }

/* 模型价格卡片网格 — 每个模型一张卡,顶部展示模型名/ID/调用协议/等级倍率,
   下方两列布局列出文本入/出、缓存、图片单价;大上下文档(≥200K)折叠在 details 里 */
.dashboard-panel > .model-grid {
    padding: 4px 24px 24px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 14px;
}
.model-card {
    background: var(--paper);
    border: 1px solid var(--rule);
    border-radius: var(--r-lg);
    padding: 16px 18px 14px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}
.model-card:hover {
    border-color: var(--rule-strong);
    background: var(--paper-2);
}
.model-card__head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: 12px;
    row-gap: 4px;
    align-items: baseline;
}
.model-card__name {
    grid-column: 1;
    grid-row: 1;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 18px;
    line-height: 1.2;
    color: var(--ink);
    letter-spacing: -0.005em;
    min-width: 0;
    overflow-wrap: anywhere;
}
.model-card__badges {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}
.model-card__mult {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--ink-2);
    font-variant-numeric: tabular-nums;
    font-weight: 500;
}
.model-card__discount {
    display: inline-block;
    padding: 1px 8px;
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: var(--r-full);
    font-family: var(--font-mono);
    font-size: 10.5px;
    font-weight: 500;
    white-space: nowrap;
}
.model-card__id {
    grid-column: 1;
    grid-row: 2;
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--ink-3);
    background: transparent;
    padding: 0;
    min-width: 0;
    overflow-wrap: anywhere;
}
.model-card__protocol {
    grid-column: 2;
    grid-row: 2;
    justify-self: end;
    font-size: 11.5px;
    color: var(--ink-3);
    letter-spacing: 0.02em;
    white-space: nowrap;
}
.model-card__rates {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 10px;
    border-top: 1px solid var(--rule-faint);
}
.model-card__rates .rate {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    column-gap: 12px;
    align-items: baseline;
}
.model-card__rates dt {
    font-size: 11.5px;
    color: var(--ink-3);
    letter-spacing: 0.04em;
}
.model-card__rates dd {
    margin: 0;
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
    font-variant-numeric: tabular-nums;
    min-width: 0;
}
.rate--main .rate__price {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 19px;
    color: var(--ink);
    letter-spacing: -0.01em;
    line-height: 1;
}
.rate--main .rate__unit {
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--ink-3);
    margin-left: -4px;
}
.rate--main .rate__strike {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--ink-4);
    text-decoration: line-through;
    text-decoration-thickness: 1px;
    text-decoration-color: var(--ink-4);
}
.rate--sub dd {
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--ink-2);
    gap: 14px;
    font-weight: 500;
}
.rate--sub .rate__sub-item em {
    font-style: normal;
    color: var(--ink-3);
    font-size: 10.5px;
    margin-right: 5px;
    letter-spacing: 0.04em;
    font-weight: 400;
}
.model-card__tier {
    margin-top: 2px;
    padding-top: 10px;
    border-top: 1px dashed var(--rule);
}
.model-card__tier-head {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}
.model-card__tier-title {
    font-size: 11.5px;
    color: var(--ink-3);
    letter-spacing: 0.04em;
}
.model-card__tier-label {
    padding: 1px 6px;
    background: var(--paper-2);
    border-radius: var(--r-sm);
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-3);
}
.model-card__rates--tier {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
}
.model-card__empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px 0;
    color: var(--ink-3);
}
@media (max-width: 640px) {
    .dashboard-panel > .model-grid {
        grid-template-columns: 1fr;
        padding: 4px 16px 16px;
        gap: 12px;
    }
}

/* ===== usage daily — money-first redesign ===== */
.daily-row.money-first {
    grid-template-columns: minmax(110px, auto) minmax(90px, 1fr) minmax(160px, 1.6fr) minmax(70px, auto);
    gap: 18px;
    padding: 18px 24px;
}
.daily-row .daily-money {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 22px;
    line-height: 1;
    color: var(--ink);
    font-variant-numeric: tabular-nums;
    font-variation-settings: "opsz" 144, "SOFT" 30;
    letter-spacing: -0.01em;
    white-space: nowrap;
}
.daily-row .daily-money.zero { color: var(--ink-4); }
.daily-row .daily-requests {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--ink-2);
    text-align: right;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}
.daily-row .daily-requests strong {
    font-weight: 600;
    color: var(--ink);
    font-size: 14px;
}

/* ===== text helpers ===== */
.text-muted { color: var(--ink-3); font-size: 13px; }
.text-center { text-align: center; }
.nowrap { white-space: nowrap; }
.footer { margin-top: 28px; color: var(--ink-3); font-size: 12px; text-align: center; font-style: italic; font-family: var(--font-display); font-variation-settings: "opsz" 9; }

/* ===== theme toggle ===== */
.theme-toggle {
    width: 34px; height: 34px;
    background: transparent;
    border: 1px solid var(--rule-strong);
    border-radius: var(--r);
    cursor: pointer;
    display: grid; place-items: center;
    transition: all var(--t);
}
.theme-toggle:hover { background: var(--bg-hover); }
.top-actions .theme-toggle, .app-topbar .theme-toggle, .admin-topbar-inner .theme-toggle { position: static; }
.theme-toggle svg { width: 14px; height: 14px; fill: var(--ink-2); }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
.theme-toggle.floating { position: fixed; top: 16px; right: 16px; z-index: 300; background: var(--paper-2); }

/* ===== auth pages ===== */
.auth-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 32px 16px;
    background:
        radial-gradient(ellipse at 12% 50%, rgba(168,42,28,0.06) 0%, transparent 55%),
        radial-gradient(ellipse at 88% 30%, rgba(24,20,14,0.04) 0%, transparent 55%),
        var(--paper);
}
[data-theme="dark"] .auth-body {
    background:
        radial-gradient(ellipse at 12% 50%, rgba(226,85,58,0.06) 0%, transparent 55%),
        radial-gradient(ellipse at 88% 30%, rgba(239,230,207,0.03) 0%, transparent 55%),
        var(--paper);
}
.auth-card {
    width: min(440px, 100%);
    background: var(--paper);
    border: 1px solid var(--rule-strong);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-lg);
    padding: 44px;
    position: relative;
    overflow: hidden;
}
[data-theme="dark"] .auth-card { background: var(--paper-2); }
.auth-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--ink);
}
.auth-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 36px; }
.auth-logo strong {
    display: block;
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    color: var(--ink);
}
.auth-logo span {
    display: block;
    margin-top: 1px;
    font-family: var(--font-display);
    font-style: italic;
    font-size: 12px;
    color: var(--ink-3);
}
.auth-heading {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: 6px;
    line-height: 1.05;
    letter-spacing: -0.02em;
    font-variation-settings: "opsz" 144, "SOFT" 50;
}
.auth-sub { color: var(--ink-3); font-size: 14px; margin-bottom: 28px; line-height: 1.5; font-style: italic; font-family: var(--font-display); font-variation-settings: "opsz" 9; }
.auth-form { display: flex; flex-direction: column; gap: 16px; }
.auth-footer { margin-top: 22px; text-align: center; color: var(--ink-3); font-size: 13.5px; }

/* ===== privacy modal ===== */
.privacy-modal-backdrop {
    position: fixed; inset: 0; z-index: 1000;
    display: grid; place-items: center;
    padding: 24px;
    background: rgba(20,17,11,0.55);
    backdrop-filter: blur(8px);
}
.privacy-modal {
    width: min(540px, 100%);
    max-height: min(720px, calc(100vh - 48px));
    display: flex; flex-direction: column;
    background: var(--paper);
    border: 1px solid var(--rule-strong);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}
[data-theme="dark"] .privacy-modal { background: var(--paper-2); }
.privacy-modal-header { padding: 22px 24px 16px; border-bottom: 1px solid var(--rule); }
.privacy-modal-header h2 { margin: 0 0 6px; font-family: var(--font-display); font-size: 22px; font-weight: 500; }
.privacy-modal-header p { color: var(--ink-3); font-size: 13px; line-height: 1.55; font-style: italic; font-family: var(--font-display); font-variation-settings: "opsz" 9; }
.privacy-modal-body { padding: 18px 24px; color: var(--ink-2); font-size: 14px; line-height: 1.7; overflow: auto; }
.privacy-modal-body strong { color: var(--ink); }
.privacy-modal-actions { display: flex; justify-content: flex-end; gap: 8px; padding: 14px 24px; border-top: 1px solid var(--rule); background: var(--paper-2); }
.privacy-modal-error { display: none; margin-top: 10px; color: var(--danger); font-size: 13px; }

/* ===== docs (used by docs.html) ===== */
.doc-layout { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 36px; align-items: start; }
.doc-panels { min-width: 0; }
.doc-panel { display: none; }
.doc-panel.active { display: block; }

/* TOC 子目录侧栏:sticky 跟随滚动 + 当前章节高亮 */
.doc-toc-wrap { min-width: 0; }
.doc-toc {
    display: none;
    position: sticky;
    top: calc(var(--topbar-h) + 28px);
    padding: 14px 0 14px 14px;
    border-left: 1px solid var(--rule);
    font-family: var(--font-body);
    font-size: 13px;
    max-height: calc(100vh - var(--topbar-h) - 56px);
    overflow-y: auto;
}
.doc-toc.active { display: block; }
.doc-toc .doc-toc-title {
    display: block;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--rule);
    color: var(--ink);
    font-weight: 600;
    font-size: 13.5px;
    text-decoration: none;
}
.doc-toc .doc-toc-title:hover { color: var(--signal); }
.doc-toc-list { list-style: none; padding: 0; margin: 0; }
.doc-toc-item { margin: 0; }
.doc-toc-item a {
    display: block;
    padding: 5px 0 5px 10px;
    border-left: 2px solid transparent;
    color: var(--ink-3);
    text-decoration: none;
    line-height: 1.45;
    transition: color 0.12s ease, border-color 0.12s ease;
}
.doc-toc-item a:hover { color: var(--ink); }
.doc-toc-item.lvl-2 > a { font-weight: 500; }
.doc-toc-item.lvl-3 > a { padding-left: 24px; font-size: 12.5px; }
/* 滚动跟随高亮当前章节 */
.doc-toc-item a.current {
    color: var(--signal);
    border-left-color: var(--signal);
    background: var(--paper-2);
}
.doc-toc-empty {
    padding: 8px 0;
    color: var(--ink-3);
    font-size: 12px;
    font-style: italic;
}
@media (max-width: 980px) {
    .doc-layout { grid-template-columns: 1fr; }
    .doc-toc { position: static; max-height: none; border-left: 0; padding-left: 0; border-bottom: 1px solid var(--rule); padding-bottom: 14px; margin-bottom: 18px; }
}

/* /docs 卡片首页:每篇 doc 一张卡 */
.docs-index-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 24px;
}
.docs-index-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 20px;
    border: 1px solid var(--rule);
    border-radius: var(--r);
    background: var(--paper);
    color: var(--ink);
    text-decoration: none;
    transition: border-color 0.12s ease, transform 0.12s ease;
}
.docs-index-card:hover {
    border-color: var(--signal);
    transform: translateY(-1px);
}
.docs-index-card-head { display: flex; flex-direction: column; gap: 4px; }
.docs-index-id {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--ink-3);
    text-transform: lowercase;
    letter-spacing: 0.04em;
}
.docs-index-title {
    margin: 0;
    font-size: 19px;
    font-weight: 500;
    color: var(--ink);
    font-family: var(--font-display);
}
.docs-index-lede {
    margin: 0;
    color: var(--ink-2, var(--ink));
    font-size: 13.5px;
    line-height: 1.55;
    flex: 1 1 auto;
}
.docs-index-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 8px;
    border-top: 1px solid var(--rule);
    font-size: 12px;
}
.docs-index-audience { color: var(--ink-3); font-style: italic; }
.docs-index-cta { color: var(--signal); font-family: var(--font-mono); }
.doc-tab-sidebar {
    position: sticky;
    top: calc(var(--topbar-h) + 28px);
    display: flex; flex-direction: column; gap: 2px;
    padding: 10px;
    background: var(--paper);
    border: 1px solid var(--rule);
    border-radius: var(--r-lg);
}
[data-theme="dark"] .doc-tab-sidebar { background: var(--paper-2); }
.doc-tab-title { padding: 4px 8px 8px; font-family: var(--font-mono); font-size: 10.5px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-3); }
.doc-tab {
    width: 100%; min-height: 32px; padding: 0 10px;
    background: transparent; border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    color: var(--ink-2); cursor: pointer;
    font-family: var(--font-body); font-size: 13px; font-weight: 500;
    text-align: left;
    transition: all var(--t);
}
.doc-tab:hover { background: var(--bg-hover); color: var(--ink); }
.doc-tab.active { color: var(--ink); border-left-color: var(--signal); font-weight: 600; background: var(--bg-hover); }
.doc-content { color: var(--ink); font-size: 15px; line-height: 1.75; }
.doc-content > * + * { margin-top: 14px; }
.doc-content h1 { font-family: var(--font-display); margin-bottom: 4px; font-size: 36px; line-height: 1.05; font-weight: 500; }
.doc-content h2 { margin-top: 32px; padding-top: 22px; border-top: 1px solid var(--rule); font-size: 22px; font-family: var(--font-display); font-weight: 500; }
.doc-content h3 { margin-top: 22px; font-size: 16px; font-weight: 600; }
.doc-content p, .doc-content li { color: var(--ink-2); }
.doc-content strong { color: var(--ink); }
.doc-content ul, .doc-content ol { padding-left: 22px; }
.doc-content li + li { margin-top: 4px; }
.doc-content a { color: var(--signal); font-weight: 500; }
.doc-content a:hover { color: var(--signal-2); }
.doc-content code { padding: 1px 6px; background: var(--paper-2); border: 1px solid var(--rule); border-radius: var(--r-sm); font-family: var(--font-mono); font-size: 0.92em; color: var(--ink); }
.doc-content pre { overflow: auto; padding: 16px; background: var(--paper-2); border: 1px solid var(--rule); border-radius: var(--r); }
.doc-content pre code { display: block; padding: 0; background: transparent; border: 0; line-height: 1.65; color: var(--ink); }
.doc-content table { display: block; width: 100%; overflow: auto; border-collapse: collapse; }
.doc-content th, .doc-content td { padding: 10px 12px; border: 1px solid var(--rule); text-align: left; white-space: nowrap; }
.doc-content th { background: var(--paper-2); font-weight: 600; }

/* ===== billing detail (table summary) ===== */
.billing-detail summary {
    display: inline-flex; align-items: center; gap: 6px;
    color: var(--signal); font-weight: 500; cursor: pointer; list-style: none;
}
.billing-detail summary::-webkit-details-marker { display: none; }
.billing-detail summary::after { content: '+'; font-weight: 500; opacity: 0.6; }
.billing-detail[open] summary::after { content: '−'; opacity: 1; }
.billing-detail-body {
    display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 18px; margin-top: 10px;
    min-width: 420px;
    color: var(--ink);
}
.billing-detail-body span {
    display: block;
    font-family: var(--font-mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--ink-3);
    font-weight: 500;
}
.billing-detail-body strong { display: block; margin-top: 2px; font-weight: 500; word-break: break-word; }

/* ===== endpoint help row (settings) ===== */
.endpoint-help {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; margin-top: 12px;
    color: var(--ink-3); font-size: 12.5px;
    font-style: italic;
    font-family: var(--font-display);
    font-variation-settings: "opsz" 9;
}
.endpoint-help span { min-width: 0; }
.endpoint-help a { flex-shrink: 0; }

/* ============================================================
   ADMIN-SPECIFIC LAYOUT
   ============================================================ */
.admin-body {
    background: var(--paper);
    min-height: 100vh;
}

/* top bar — minimal, single row */
.admin-topbar {
    position: sticky;
    top: 0;
    z-index: 200;
    background: var(--topbar-bg);
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    border-bottom: 1px solid var(--rule);
}
.admin-topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    height: 56px;
    padding: 0 24px;
}
.admin-brand { display: flex; align-items: center; gap: 10px; }
.admin-brand strong {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 17px;
    color: var(--ink);
    letter-spacing: -0.01em;
}
.admin-brand strong em {
    font-style: italic;
    font-weight: 400;
    color: var(--ink-3);
    margin-left: 6px;
    font-size: 0.78em;
}

/* command-K trigger */
.cmdk-trigger {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    height: 32px;
    padding: 0 12px;
    background: var(--paper-2);
    border: 1px solid var(--rule);
    border-radius: var(--r);
    color: var(--ink-3);
    font-family: var(--font-body);
    font-size: 12.5px;
    cursor: pointer;
    transition: all var(--t);
    min-width: 220px;
}
.cmdk-trigger:hover { border-color: var(--rule-strong); color: var(--ink-2); background: var(--paper); }
[data-theme="dark"] .cmdk-trigger:hover { background: var(--paper-3); }
.cmdk-trigger svg { width: 13px; height: 13px; flex-shrink: 0; }
.cmdk-trigger span { flex: 1; text-align: left; }
.cmdk-trigger kbd {
    display: inline-flex; align-items: center; gap: 2px;
    padding: 1px 6px;
    background: var(--paper);
    border: 1px solid var(--rule-strong);
    border-radius: var(--r-sm);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    color: var(--ink-2);
    line-height: 1;
}
[data-theme="dark"] .cmdk-trigger kbd { background: var(--paper-3); }

/* ===== alerts wrap ===== */
.admin-alerts-outer {
    padding: 16px 24px 0;
}

/* ===== shell with sidebar ===== */
.admin-shell {
    display: grid;
    grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
    gap: 0;
    align-items: start;
    min-height: calc(100vh - 56px);
}

/* sidebar nav */
.admin-sidebar {
    position: sticky;
    top: 56px;
    align-self: start;
    height: calc(100vh - 56px);
    overflow-y: auto;
    padding: 28px 14px 28px 24px;
    border-right: 1px solid var(--rule);
}
.admin-sidebar::-webkit-scrollbar { width: 6px; }
.admin-sidebar::-webkit-scrollbar-thumb { background: var(--rule-strong); border-radius: 3px; }

.admin-tabbar { display: flex; flex-direction: column; gap: 18px; }

.admin-nav-group {
    display: flex; flex-direction: column; gap: 1px;
}
.admin-nav-group-label {
    margin-bottom: 6px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--ink-4);
    padding-left: 10px;
}

.admin-tabbar button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    width: 100%;
    height: 32px;
    padding: 0 10px;
    background: transparent;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    color: var(--ink-2);
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--t);
}
.admin-tabbar button:hover { color: var(--ink); background: var(--bg-hover); }
.admin-tabbar button.active {
    color: var(--ink);
    background: var(--bg-hover);
    border-left-color: var(--signal);
    font-weight: 600;
}
.admin-tabbar button .tab-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px; height: 18px;
    padding: 0 5px;
    background: transparent;
    border-radius: var(--r-sm);
    font-family: var(--font-mono);
    font-size: 10.5px;
    font-weight: 500;
    color: var(--ink-4);
}
.admin-tabbar button.active .tab-badge { color: var(--signal); }

/* ===== main content ===== */
.admin-tab-body {
    padding: 28px 36px 80px;
    min-width: 0;
}
.admin-main {
    display: flex;
    flex-direction: column;
    gap: 22px;
    min-width: 0;
    /* fill the viewport on wide monitors; cap only at "uncomfortable line length" */
    max-width: 1720px;
}
@media (min-width: 1800px) {
    .admin-tab-body { padding-right: 56px; padding-left: 48px; }
}
.admin-section { scroll-margin-top: 70px; }
.admin-section.tab-content { display: none; }
.admin-section.tab-content.active { display: block; }

/* ===== 卡片展开/折叠通用 transition(Alpine x-transition class hooks)===== */
.card-body-enter       { transition: opacity .14s ease-out, max-height .18s ease-out; overflow: hidden; }
.card-body-enter-start { opacity: 0; max-height: 0; }
.card-body-enter-end   { opacity: 1; max-height: 4000px; }
.card-body-leave       { transition: opacity .12s ease-in, max-height .15s ease-in; overflow: hidden; }
.card-body-leave-start { opacity: 1; max-height: 4000px; }
.card-body-leave-end   { opacity: 0; max-height: 0; }

/* ===== Routing 重设计:端点卡片列表 + 嵌套路由 ===== */
.endpoint-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.endpoint-card {
    border: 1px solid var(--rule);
    border-radius: 8px;
    background: var(--bg-surface);
    overflow: hidden;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.endpoint-card:hover { border-color: var(--rule-strong, var(--ink-4)); }
.endpoint-card.health-failing  { border-left: 3px solid var(--danger,  #dc3545); }
.endpoint-card.health-cooling  { border-left: 3px solid var(--warning, #d97706); }
.endpoint-card.health-disabled { border-left: 3px solid var(--ink-4,   #94959a); }
.endpoint-card.health-healthy  { border-left: 3px solid var(--success, #1a8754); }

.endpoint-card-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    cursor: pointer;
    user-select: none;
    font-size: 13.5px;
}
.endpoint-card-row:hover { background: var(--bg-elevated); }

.endpoint-status-dot {
    width: 8px; height: 8px; border-radius: 50%;
    flex: 0 0 auto;
}
.endpoint-status-dot.status-healthy  { background: var(--success, #1a8754); }
.endpoint-status-dot.status-cooling  { background: var(--warning, #d97706); }
.endpoint-status-dot.status-failing  { background: var(--danger,  #dc3545); }
.endpoint-status-dot.status-disabled { background: var(--ink-4,   #94959a); }

.endpoint-card-id   { color: var(--ink-3); font-size: 12.5px; flex: 0 0 auto; }
.endpoint-card-name { font-weight: 600; flex: 0 0 auto; }
.endpoint-card-type { flex: 0 0 auto; }
.endpoint-card-summary { color: var(--ink-2); font-size: 12.5px; flex: 1 1 auto; }
.endpoint-card-health { font-size: 12px; flex: 0 0 auto; }
.endpoint-card-health.health-healthy  { color: var(--success, #1a8754); }
.endpoint-card-health.health-cooling  { color: var(--warning, #d97706); }
.endpoint-card-health.health-failing  { color: var(--danger,  #dc3545); }
.endpoint-card-health.health-disabled { color: var(--ink-4,   #94959a); }

.endpoint-card-chev {
    background: transparent; border: none; cursor: pointer; padding: 4px;
    color: var(--ink-3); transition: transform 0.15s;
    display: flex; align-items: center; justify-content: center;
    flex: 0 0 auto;
}
.endpoint-card-chev.open { transform: rotate(180deg); }

.endpoint-card-body {
    border-top: 1px solid var(--rule);
    padding: 14px 16px 16px 28px;
    background: var(--bg-elevated);
}

.endpoint-meta-bar {
    display: flex; flex-direction: column; gap: 6px;
    margin-bottom: 12px;
    font-size: 12.5px;
}
.endpoint-meta-line { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.endpoint-meta-line .meta-label { color: var(--ink-3); font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.06em; }
.endpoint-meta-line code { background: var(--bg-surface); padding: 2px 6px; border-radius: 4px; }

.endpoint-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.endpoint-actions form { display: inline-flex; margin: 0; }

.endpoint-edit-form { margin-bottom: 14px; padding: 12px; border: 1px solid var(--rule); border-radius: 6px; background: var(--bg-surface); }
.endpoint-edit-form .form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-bottom: 12px; }
.endpoint-edit-form .form-group-wide { grid-column: 1 / -1; }

.endpoint-routes { margin-top: 8px; }
.endpoint-routes-body { display: flex; flex-direction: column; gap: 6px; }
.endpoint-routes-head h4 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-3); margin: 0 0 4px; font-weight: 600; }

.route-rows { display: flex; flex-direction: column; gap: 4px; }
.route-row {
    border: 1px solid var(--rule);
    border-radius: 6px;
    background: var(--bg-surface);
    padding: 8px 12px;
    font-size: 12.5px;
}
.route-display { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.route-status-dot { width: 6px; height: 6px; border-radius: 50%; flex: 0 0 auto; }
.route-status-dot.status-on  { background: var(--success, #1a8754); }
.route-status-dot.status-off { background: var(--ink-4,   #94959a); }
.route-model    { font-weight: 600; flex: 0 0 auto; }
.route-arrow    { color: var(--ink-3); flex: 0 0 auto; }
.route-upstream { flex: 1 1 auto; }
.route-meta     { color: var(--ink-3); flex: 0 0 auto; }
.route-actions  { display: inline-flex; gap: 4px; flex: 0 0 auto; }
.route-actions form { margin: 0; display: inline-flex; }
.route-edit { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.route-edit input[type="text"], .route-edit input[type="number"], .route-edit select { font-size: 12.5px; }

.route-add { margin-top: 6px; }
.route-add[open] > summary { margin-bottom: 8px; }
.route-add-form { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; padding: 10px; border: 1px dashed var(--rule); border-radius: 6px; background: var(--bg-surface); }

/* ===== UserLevel 卡片(套餐等级 + 嵌套模型权限),跟 routing 同构 ===== */
.level-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.level-card {
    border: 1px solid var(--rule);
    border-radius: 8px;
    background: var(--bg-surface);
    overflow: hidden;
}
.level-card:hover { border-color: var(--rule-strong, var(--ink-4)); }
.level-card.level-card-disabled { border-left: 3px solid var(--ink-4, #94959a); opacity: 0.78; }
.level-card-row {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 14px; cursor: pointer; user-select: none; font-size: 13.5px;
}
.level-card-row:hover { background: var(--bg-elevated); }
.level-status-dot { width: 8px; height: 8px; border-radius: 50%; flex: 0 0 auto; }
.level-status-dot.status-on  { background: var(--success, #1a8754); }
.level-status-dot.status-off { background: var(--ink-4,   #94959a); }
.level-card-id     { color: var(--ink-3); font-size: 12.5px; flex: 0 0 auto; }
.level-card-name   { font-weight: 600; flex: 0 0 auto; }
.level-card-handle { flex: 0 0 auto; }
.level-card-summary { color: var(--ink-2); font-size: 12.5px; flex: 1 1 auto; }
.level-card-status  { font-size: 12px; flex: 0 0 auto; color: var(--success, #1a8754); }
.level-card-chev {
    background: transparent; border: none; cursor: pointer; padding: 4px;
    color: var(--ink-3); transition: transform 0.15s; display: flex; align-items: center; flex: 0 0 auto;
}
.level-card-chev.open { transform: rotate(180deg); }
.level-card-body {
    border-top: 1px solid var(--rule);
    padding: 14px 16px 16px 28px;
    background: var(--bg-elevated);
}
.level-meta-bar { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; font-size: 12.5px; }
.level-meta-line { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.level-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.level-edit-form { margin-bottom: 14px; padding: 12px; border: 1px solid var(--rule); border-radius: 6px; background: var(--bg-surface); }
.level-edit-form .form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-bottom: 12px; }

.level-models-body { display: flex; flex-direction: column; gap: 6px; }
.level-models-head h4 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-3); margin: 0 0 4px; font-weight: 600; }
.level-model-rows { display: flex; flex-direction: column; gap: 4px; }
.level-model-row { border: 1px solid var(--rule); border-radius: 6px; background: var(--bg-surface); padding: 8px 12px; font-size: 12.5px; }
.level-model-display { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.level-model-status-dot { width: 6px; height: 6px; border-radius: 50%; flex: 0 0 auto; }
.level-model-status-dot.status-on  { background: var(--success, #1a8754); }
.level-model-status-dot.status-off { background: var(--ink-4,   #94959a); }
.level-model-name { font-weight: 600; flex: 1 1 auto; }
.level-model-mult { color: var(--accent, var(--ink-1)); flex: 0 0 auto; }
.level-model-meta { color: var(--ink-3); flex: 0 0 auto; }
.level-model-actions { display: inline-flex; gap: 4px; flex: 0 0 auto; }
.level-model-actions form { margin: 0; display: inline-flex; }
.level-model-edit { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.level-model-add { margin-top: 6px; }
.level-model-add[open] > summary { margin-bottom: 8px; }
.level-model-add-form { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; padding: 10px; border: 1px dashed var(--rule); border-radius: 6px; background: var(--bg-surface); }

/* Models tab 行内 "服务于 N 端点 · 启用于 M 套餐" 元信息 */
.model-coverage { margin-top: 4px; color: var(--ink-3); display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.model-coverage .u-divider { color: var(--ink-4); }

/* 用户详情 — 可用模型列表(只读) */
.accessible-models-body { padding: 6px 0; }
.accessible-models-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.accessible-model-row { display: flex; gap: 12px; align-items: center; padding: 8px 12px; border: 1px solid var(--rule); border-radius: 6px; background: var(--bg-surface); font-size: 12.5px; }
.accessible-model-name { font-weight: 600; flex: 1 1 auto; }
.accessible-model-mult { color: var(--accent, var(--ink-1)); flex: 0 0 auto; }
.accessible-model-meta { color: var(--ink-3); flex: 0 0 auto; }

/* 用户详情 — API key 行展开 lazy-load 用量摘要 */
.key-summary-row { display: none; }
.key-summary-row.open { display: table-row; }
.key-summary-cell { background: var(--bg-elevated); padding: 12px 14px !important; }
.hidden { display: none; }
.api-key-summary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; }
.api-key-summary-stat { display: flex; flex-direction: column; gap: 2px; padding: 8px 10px; border: 1px solid var(--rule); border-radius: 6px; background: var(--bg-surface); }
.api-key-summary-stat.has-error { border-color: var(--danger-rim, #f4a4a4); background: var(--danger-soft, #fff1f1); }
.api-key-summary-amount { font-size: 15px; font-family: var(--font-display, inherit); font-weight: 500; }
.api-key-summary-sub { font-size: 11.5px; color: var(--ink-3); }
.api-key-summary-lasterror { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--rule); }

/* ===== 工具单价(每个工具一张卡 + 覆盖列表) ===== */
.tool-card-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.tool-card { border: 1px solid var(--rule); border-radius: 8px; background: var(--bg-surface); overflow: hidden; }
.tool-card:hover { border-color: var(--rule-strong, var(--ink-4)); }
.tool-card-row { display: flex; align-items: center; gap: 12px; padding: 10px 14px; cursor: pointer; user-select: none; font-size: 13.5px; }
.tool-card-row:hover { background: var(--bg-elevated); }
.tool-card-name { font-weight: 600; font-family: var(--font-mono, monospace); flex: 0 0 auto; }
.tool-card-summary { color: var(--ink-2); font-size: 12.5px; flex: 1 1 auto; }
.tool-card-actions { display: inline-flex; gap: 4px; align-items: center; flex: 0 0 auto; }
.tool-card-actions form { margin: 0; display: inline-flex; }
.tool-card-chev { background: transparent; border: none; cursor: pointer; padding: 4px; color: var(--ink-3); transition: transform 0.15s; display: flex; align-items: center; }
.tool-card-chev.open { transform: rotate(180deg); }
.tool-card-body { border-top: 1px solid var(--rule); padding: 12px 14px 14px; background: var(--bg-elevated); display: flex; flex-direction: column; gap: 12px; }
.tool-row-label { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 6px; }
.tool-price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; align-items: end; }
.tool-price-grid label { display: block; color: var(--ink-3); margin-bottom: 2px; }
.tool-price-save { align-self: end; }
.tool-overrides { display: flex; flex-direction: column; gap: 6px; }
.tool-override-rows { display: flex; flex-direction: column; gap: 4px; }
.tool-override-row { border: 1px solid var(--rule); border-radius: 6px; background: var(--bg-surface); padding: 8px 12px; font-size: 12.5px; }
.tool-override-display { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.tool-override-prefix { font-weight: 600; flex: 0 0 auto; }
.tool-override-prices { flex: 1 1 auto; color: var(--ink-2); }
.tool-override-actions { display: inline-flex; gap: 4px; flex: 0 0 auto; }
.tool-override-actions form { margin: 0; display: inline-flex; }
.tool-override-edit { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.tool-override-add { margin-top: 4px; }
.tool-override-add[open] > summary { margin-bottom: 8px; }
.tool-override-add-form, .tool-add-form { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; padding: 10px; border: 1px dashed var(--rule); border-radius: 6px; background: var(--bg-surface); }
.tool-pricing-add { display: inline-block; }
.tool-pricing-add[open] > summary { margin-bottom: 8px; }

/* Cooldown popover */
.cooldown-picker { position: relative; display: inline-block; }
.cooldown-popover {
    position: absolute; top: calc(100% + 4px); left: 0; z-index: 50;
    background: var(--bg-elevated); border: 1px solid var(--rule); border-radius: 6px;
    padding: 10px; min-width: 240px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    display: flex; flex-direction: column; gap: 8px;
}
.cooldown-presets { display: flex; gap: 6px; }
.cooldown-presets form { margin: 0; flex: 1; }
.cooldown-presets form button { width: 100%; }
.cooldown-custom { display: flex; gap: 6px; align-items: center; }
.cooldown-custom input { flex: 1 1 auto; min-width: 0; }
.cooldown-divider { height: 1px; background: var(--rule); }
.cooldown-picker .btn.warn { color: var(--warning, #d97706); border-color: var(--warning-rim, #f5d0a0); }

/* 全局警示带:任何 tab 都看得见的"上游端点异常"提示,点击跳 overview */
.admin-alert-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border: 1px solid var(--danger-rim, #f4a4a4);
    background: var(--danger-soft, #fff1f1);
    color: var(--danger, #c0392b);
    border-radius: 6px;
    font-size: 13px;
    text-decoration: none;
    transition: background 0.15s ease;
}
.admin-alert-banner:hover { background: var(--danger-soft-hover, #ffe4e4); }
.admin-alert-banner strong { font-size: 15px; font-weight: 600; }
.admin-alert-banner .admin-alert-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--danger, #c0392b);
    box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.18);
    flex: 0 0 auto;
}
.admin-alert-banner .admin-alert-detail {
    color: var(--ink-3, #777);
    font-family: var(--font-mono, monospace);
    font-size: 12px;
    flex: 1 1 auto;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.admin-alert-banner .admin-alert-cta {
    margin-left: auto;
    font-size: 12px;
    color: var(--danger, #c0392b);
    opacity: 0.85;
    flex: 0 0 auto;
}

/* 危险操作区:跟普通 panel 视觉拉开距离,提示这里点了不能撤销 */
.admin-panel-danger {
    border-color: var(--danger-rim, #f4a4a4);
    background: var(--danger-soft, #fff8f8);
}
.admin-panel-danger .panel-header { border-bottom-color: var(--danger-rim, #f4a4a4); }
.admin-panel-danger .panel-header h3 { color: var(--danger, #c0392b); }

/* 通用条状图(模型消费 / 端点健康),复用 trend-row 的栅格思路但 label 在最左 */
.chart-list { display: flex; flex-direction: column; }
.chart-row {
    display: grid;
    grid-template-columns: 170px minmax(120px, 1fr) 64px 80px;
    gap: 14px;
    align-items: center;
    padding: 10px 18px;
    border-bottom: 1px solid var(--rule);
    font-size: 12.5px;
}
.chart-row:last-child { border-bottom: 0; }
.chart-row:hover { background: var(--bg-hover); }
.chart-row .chart-label {
    font-family: var(--font-mono);
    color: var(--ink);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
/* 用户行 label 列更宽,容纳 email 长地址 */
.chart-row-user { grid-template-columns: 260px minmax(120px, 1fr) 64px 80px; }
.chart-row-user .chart-label a { color: inherit; text-decoration: none; border-bottom: 1px dashed var(--rule); }
.chart-row-user .chart-label a:hover { color: var(--accent, #0969da); border-bottom-color: currentColor; }

/* 把整行变成可点击的 anchor:去掉默认 underline,hover 加底色 + 右侧出现 → 提示 */
a.chart-row-link {
    color: inherit;
    text-decoration: none;
    position: relative;
}
a.chart-row-link::after {
    content: "→";
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--ink-3);
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.12s ease, transform 0.12s ease;
    pointer-events: none;
}
a.chart-row-link:hover::after { opacity: 0.7; transform: translateY(-50%) translateX(2px); }
a.chart-row-link:hover { background: var(--bg-hover); }
a.chart-row-link:focus-visible { outline: 2px solid var(--accent, #0969da); outline-offset: -2px; }

/* Overview 顶部"需要立即处理"汇总 —— 只在有异常时出现,告诉运营"现在该干什么" */
.ops-todo {
    margin-bottom: 18px;
    border: 1px solid var(--danger-rim, #f4a4a4);
    border-radius: 6px;
    background: var(--paper);
    overflow: hidden;
}
.ops-todo-head {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 12px 16px;
    background: var(--danger-soft, #fff1f1);
    border-bottom: 1px solid var(--danger-rim, #f4a4a4);
}
.ops-todo-head .ops-todo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--danger, #c0392b);
    color: white;
    font-weight: 700;
    font-size: 13px;
    flex: 0 0 auto;
    align-self: center;
}
.ops-todo-head .ops-todo-title {
    font-weight: 600;
    color: var(--danger, #c0392b);
    font-size: 14px;
}
.ops-todo-head .ops-todo-sub {
    color: var(--ink-3);
    font-size: 12px;
}
.ops-todo-rows { display: flex; flex-direction: column; }
.ops-todo-row {
    display: grid;
    grid-template-columns: 56px 48px minmax(120px, 1fr) auto;
    gap: 12px;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--rule);
    color: var(--ink);
    text-decoration: none;
    transition: background 0.12s ease;
}
.ops-todo-row:last-child { border-bottom: 0; }
.ops-todo-row:hover { background: var(--bg-hover); }
.ops-todo-row .ops-todo-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 3px;
    background: var(--paper-3);
    color: var(--ink-3);
    font-family: var(--font-mono);
    font-size: 11px;
    text-align: center;
    letter-spacing: 0.5px;
}
.ops-todo-row .ops-todo-num {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-weight: 600;
    font-size: 18px;
    text-align: right;
}
.ops-todo-row .ops-todo-msg {
    color: var(--ink-2, var(--ink));
    font-size: 13px;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
}
.ops-todo-row .ops-todo-cta {
    color: var(--ink-3);
    font-size: 12px;
    font-family: var(--font-mono);
    flex: 0 0 auto;
}
.ops-todo-row:hover .ops-todo-cta { color: var(--ink); }
.ops-todo-row.sev-alert .ops-todo-num,
.ops-todo-row.sev-alert .ops-todo-tag { color: var(--danger, #c0392b); }
.ops-todo-row.sev-alert .ops-todo-tag { background: var(--danger-soft, #fff1f1); }
.ops-todo-row.sev-warn .ops-todo-num,
.ops-todo-row.sev-warn .ops-todo-tag { color: var(--warn, #8a6d00); }
.ops-todo-row.sev-warn .ops-todo-tag { background: var(--warn-soft, #fff4d6); }

/* 从 overview 钻进来时,目标行短暂高亮 ~3s 帮用户定位"我要找的就是它" */
tr:target,
tr:target > td {
    background: var(--warn-soft, #fff4d6) !important;
    animation: targetFade 3s ease-out 1s forwards;
}
@keyframes targetFade {
    to { background: transparent !important; }
}
.chart-row .chart-bar {
    height: 6px;
    background: var(--paper-3);
    overflow: hidden;
    border-radius: var(--r-full);
    position: relative;
    display: flex;
}
.chart-row .chart-bar > span {
    display: block;
    height: 100%;
    background: var(--ink);
    border-radius: inherit;
}
/* 端点健康用堆叠双段:成功(绿)+失败(红),无圆角避免段缝错位 */
.chart-row .chart-bar-stacked { border-radius: var(--r-full); }
.chart-row .chart-bar-stacked > .seg-ok {
    background: var(--ok, #2da44e);
    border-radius: 0;
}
.chart-row .chart-bar-stacked > .seg-err {
    background: var(--danger, #c0392b);
    border-radius: 0;
}
.chart-row .chart-num {
    text-align: right;
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    color: var(--ink-2, var(--ink));
}
.chart-row .chart-money {
    text-align: right;
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-weight: 500;
    color: var(--ink);
}
.chart-row .chart-money.zero { color: var(--ok, #2da44e); }
.chart-row .chart-money.err  { color: var(--danger, #c0392b); }
.chart-empty {
    padding: 24px 18px;
    color: var(--ink-3);
    font-size: 12px;
    text-align: center;
    font-style: italic;
}

/* 今日小时柱状图:24 个细长 SVG 柱 */
.hourly-chart-wrap { padding: 16px 20px 4px; }
.hourly-svg {
    width: 100%;
    height: 90px;
    display: block;
    overflow: visible;
}
.hourly-svg .hourly-bar {
    fill: var(--ink);
    transition: fill 0.12s ease;
}
.hourly-svg .hourly-bar.has-err { fill: var(--danger, #c0392b); }
.hourly-svg .hourly-hit {
    fill: transparent;
    pointer-events: all; /* 加大 hover 命中范围,提升 tooltip 触发 */
}
.hourly-svg .hourly-col:hover .hourly-bar { fill: var(--accent, #0969da); }
.hourly-svg .hourly-col:hover .hourly-hit { fill: var(--bg-hover); }
.hourly-axis {
    display: flex;
    justify-content: space-between;
    padding: 4px 0 12px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--ink-3);
}

/* 协议分布:堆叠条 + legend */
.proto-stack-wrap { padding: 18px 20px; }
.proto-stack {
    display: flex;
    height: 14px;
    border-radius: var(--r-full);
    overflow: hidden;
    border: 1px solid var(--rule);
    background: var(--paper-3);
}
.proto-stack .proto-seg {
    display: block;
    height: 100%;
    transition: filter 0.12s ease;
}
.proto-stack .proto-seg:hover { filter: brightness(1.1); cursor: help; }
.proto-legend {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 8px 16px;
    margin-top: 14px;
}
.proto-legend-item {
    display: grid;
    grid-template-columns: 12px 1fr auto auto;
    gap: 8px;
    align-items: center;
    font-size: 12.5px;
}
.proto-legend-item .proto-dot {
    width: 10px; height: 10px;
    border-radius: 2px;
    display: block;
}
.proto-legend-item .proto-name { color: var(--ink); font-family: var(--font-mono); }
.proto-legend-item .proto-pct {
    color: var(--ink-2, var(--ink));
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
}
.proto-legend-item .proto-count {
    color: var(--ink-3);
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-size: 11px;
}

/* 模型行里的分档标记:鼠标悬浮看具体单价 */
.model-tier-badge {
    display: inline-block;
    margin-left: 6px;
    padding: 1px 6px;
    border-radius: 3px;
    background: var(--warn-soft, #fff4d6);
    color: var(--warn, #8a6d00);
    border: 1px solid var(--warn-rim, #ead9a0);
    font-family: var(--font-mono, monospace);
    font-size: 11px;
    line-height: 1.4;
    cursor: help;
}

/* legacy compat – section title */
.admin-section-title {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}
.admin-section-title h2 {
    font-family: var(--font-display);
    font-size: 30px;
    line-height: 1.1;
    font-weight: 500;
    margin: 0;
    color: var(--ink);
}
.admin-section-title span {
    color: var(--ink-3); font-size: 13px;
    font-style: italic; font-family: var(--font-display);
    font-variation-settings: "opsz" 9;
}

.config-note {
    margin: -4px 0 18px;
    color: var(--ink-3);
    font-size: 13px;
    font-style: italic;
    font-family: var(--font-display);
    font-variation-settings: "opsz" 9;
    line-height: 1.55;
    max-width: 720px;
}

.content-divider {
    display: flex; align-items: center; gap: 16px;
    margin: 28px 0 4px;
}
.content-divider::before, .content-divider::after {
    content: ''; flex: 1; height: 1px; background: var(--rule);
}
.content-divider span {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 400;
    font-size: 14px;
    color: var(--ink-3);
}

/* ===== metric grid (overview) ===== */
.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    border: 1px solid var(--rule);
    border-radius: var(--r-lg);
    background: var(--paper);
    overflow: hidden;
}
[data-theme="dark"] .metric-grid { background: var(--paper-2); }
.metric-grid .metric-card {
    background: transparent;
    border: 0;
    border-right: 1px solid var(--rule);
    border-radius: 0;
    padding: 20px 22px;
}
.metric-grid .metric-card:last-child { border-right: 0; }
.metric-card .metric-delta {
    margin-top: 8px;
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--ink-3);
    letter-spacing: 0.02em;
    line-height: 1.4;
    word-break: break-word;
}
.metric-card .metric-delta.up { color: var(--ok); }
.metric-card .metric-delta.down { color: var(--danger); }

/* ===== ops health strip ===== */
.ops-health {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 22px;
}
.ops-health-card {
    position: relative;
    padding: 18px 20px;
    background: var(--paper);
    border: 1px solid var(--rule);
    border-radius: var(--r-lg);
    overflow: hidden;
}
[data-theme="dark"] .ops-health-card { background: var(--paper-2); }
.ops-health-card.alert { border-color: var(--danger-rim); background: var(--danger-soft); }
.ops-health-card.warn  { border-color: var(--warn-rim); background: var(--warn-soft); }
.ops-health-card.ok    { border-color: var(--ok-rim); }
.ops-health-card .ops-h-label {
    font-family: var(--font-mono);
    font-size: 10.5px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--ink-3);
}
.ops-health-card.alert .ops-h-label { color: var(--danger); }
.ops-health-card.warn  .ops-h-label { color: var(--warn); }
.ops-health-card.ok    .ops-h-label { color: var(--ok); }
.ops-health-card .ops-h-value {
    margin-top: 8px;
    display: flex;
    align-items: baseline;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 30px;
    line-height: 1;
    color: var(--ink);
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.01em;
}
.ops-health-card.alert .ops-h-value { color: var(--danger); }
.ops-health-card .ops-h-value small {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    color: var(--ink-3);
    letter-spacing: 0;
}
.ops-health-card .ops-h-list {
    margin-top: 10px;
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.ops-health-card .ops-h-list a, .ops-health-card .ops-h-list span {
    display: inline-flex;
    align-items: center;
    height: 22px;
    padding: 0 8px;
    background: var(--paper);
    border: 1px solid var(--rule-strong);
    border-radius: var(--r-full);
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--ink-2);
    text-decoration: none;
    transition: all var(--t);
}
[data-theme="dark"] .ops-health-card .ops-h-list a, [data-theme="dark"] .ops-health-card .ops-h-list span { background: var(--paper-3); }
.ops-health-card .ops-h-list a:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.ops-health-card .ops-h-meta {
    margin-top: 10px;
    font-family: var(--font-display);
    font-style: italic;
    font-variation-settings: "opsz" 9;
    color: var(--ink-3);
    font-size: 12.5px;
}

/* ===== today snapshot row ===== */
.today-snap {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 22px;
}
.today-snap .metric-card {
    padding: 18px 20px;
    background: var(--paper);
}
[data-theme="dark"] .today-snap .metric-card { background: var(--paper-2); }
.today-snap .metric-value { font-size: 28px; }

/* ===== trend list (last 7 days) ===== */
.trend-list { display: flex; flex-direction: column; }
.trend-row {
    display: grid;
    grid-template-columns: 100px minmax(120px, 1fr) 90px 90px;
    gap: 18px;
    align-items: center;
    padding: 12px 18px;
    border-bottom: 1px solid var(--rule);
}
.trend-row:last-child { border-bottom: 0; }
.trend-row:hover { background: var(--bg-hover); }
.trend-row .trend-date strong {
    display: block;
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--ink);
    font-weight: 500;
}
.trend-row .trend-date span {
    display: block;
    margin-top: 2px;
    color: var(--ink-3);
    font-size: 11px;
    font-style: italic;
    font-family: var(--font-display);
    font-variation-settings: "opsz" 9;
}
.trend-row .trend-bar {
    height: 4px;
    background: var(--paper-3);
    overflow: hidden;
    border-radius: var(--r-full);
    position: relative;
}
.trend-row .trend-bar > span {
    display: block;
    height: 100%;
    background: var(--ink);
    border-radius: inherit;
}
.trend-row .trend-num {
    text-align: right;
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-size: 13px;
    color: var(--ink);
}
.trend-row .trend-money {
    text-align: right;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 16px;
    color: var(--ink);
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.01em;
}
.trend-row .trend-money.zero { color: var(--ink-4); }

/* ===== recent errors list ===== */
.errlist {
    display: flex; flex-direction: column;
}
.errlist-row {
    display: grid;
    grid-template-columns: 130px minmax(0, 1.6fr) minmax(120px, 1fr) 70px minmax(0, 2fr) auto;
    gap: 16px; align-items: center;
    padding: 10px 18px;
    border-bottom: 1px solid var(--rule);
    transition: background var(--t);
}
.errlist-row:last-child { border-bottom: 0; }
.errlist-row:hover { background: var(--bg-hover); }
.errlist-row .errlist-time { font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-3); white-space: nowrap; }
.errlist-row .errlist-req { font-family: var(--font-mono); font-size: 12px; }
.errlist-row .errlist-model { color: var(--ink-2); font-size: 13px; }
.errlist-row .errlist-status {
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--danger);
    font-weight: 500;
    text-align: right;
    font-variant-numeric: tabular-nums;
}
.errlist-row .errlist-msg { color: var(--ink-2); font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.errlist-row .errlist-go { color: var(--ink-3); font-family: var(--font-mono); font-size: 11px; white-space: nowrap; }
.errlist-empty {
    padding: 22px 18px; color: var(--ink-3); font-style: italic;
    font-family: var(--font-display); font-variation-settings: "opsz" 9;
    text-align: center;
}

/* ===== table toolbar (search + filters) ===== */
.tbl-toolbar {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    padding: 12px 18px;
    border-bottom: 1px solid var(--rule);
    background: var(--paper-2);
}
[data-theme="dark"] .tbl-toolbar { background: var(--paper-3); }
.tbl-toolbar .tbl-search {
    flex: 1;
    min-width: 180px;
    height: 30px;
    padding: 0 30px 0 30px;
    background: var(--paper);
    border: 1px solid var(--rule);
    border-radius: var(--r);
    font-size: 12.5px;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23857c69' stroke-width='2'><circle cx='11' cy='11' r='7'/><path d='M21 21l-4.3-4.3' stroke-linecap='round'/></svg>");
    background-repeat: no-repeat;
    background-position: 9px center;
}
[data-theme="dark"] .tbl-toolbar .tbl-search { background-color: var(--paper-2); }
.tbl-toolbar select {
    width: auto;
    height: 30px;
    padding-right: 28px;
    font-size: 12.5px;
}
.tbl-toolbar .tbl-toolbar-meta {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--ink-3);
    letter-spacing: 0.04em;
}

/* row state colors for endpoints */
.admin-table tr.row-failing td { background: var(--danger-soft); }
.admin-table tr.row-failing:hover td { background: var(--danger-soft); filter: brightness(0.97); }
.admin-table tr.row-warn td { background: var(--warn-soft); }
.admin-table tr.row-disabled td { color: var(--ink-3); }
.admin-table tr.row-failing td:first-child {
    box-shadow: inset 3px 0 0 var(--danger);
}
.admin-table tr.row-warn td:first-child {
    box-shadow: inset 3px 0 0 var(--warn);
}

/* row hidden by client-side search */
.admin-table tr.row-hidden { display: none; }

/* row-level inline actions */
.row-actions {
    display: inline-flex; gap: 4px; align-items: center;
}
.row-actions .btn-sm { height: 26px; padding: 0 9px; font-size: 11.5px; }
.row-actions form { display: inline-flex; }
.row-actions .icon-btn {
    width: 26px; height: 26px;
    background: transparent;
    border: 1px solid var(--rule);
    border-radius: var(--r-sm);
    color: var(--ink-2);
    cursor: pointer;
    display: grid; place-items: center;
    transition: all var(--t);
}
.row-actions .icon-btn:hover { background: var(--bg-hover); border-color: var(--rule-strong); color: var(--ink); }
.row-actions .icon-btn.danger { color: var(--danger); border-color: var(--danger-rim); }
.row-actions .icon-btn.danger:hover { background: var(--danger-soft); }
.row-actions .icon-btn.warn { color: var(--warn, #8a6d00); border-color: var(--warn-rim, #ead9a0); background: var(--warn-soft, #fff4d6); }
.row-actions .icon-btn.warn:hover { background: var(--warn-soft, #fff4d6); filter: brightness(0.97); }
.row-actions .icon-btn svg { width: 13px; height: 13px; }

/* ===== drawer ===== */
.drawer-backdrop {
    position: fixed;
    inset: 0;
    z-index: 600;
    background: rgba(20,17,11,0.45);
    backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--t);
}
.drawer-backdrop.open { opacity: 1; pointer-events: auto; }
.drawer {
    position: fixed;
    top: 0; right: 0;
    width: min(560px, 100%);
    height: 100vh;
    z-index: 601;
    background: var(--paper);
    border-left: 1px solid var(--rule-strong);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform var(--t-slow);
    display: flex;
    flex-direction: column;
}
[data-theme="dark"] .drawer { background: var(--paper-2); }
.drawer.open { transform: translateX(0); }
.drawer-header {
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 12px;
    padding: 22px 28px 18px;
    border-bottom: 1px solid var(--rule);
}
.drawer-eyebrow { font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.16em; color: var(--ink-3); margin-bottom: 6px; }
.drawer-header h2 { font-family: var(--font-display); font-size: 26px; font-weight: 500; line-height: 1.1; color: var(--ink); }
.drawer-header h2 em { font-style: italic; color: var(--ink-2); font-weight: 400; }
.drawer-close {
    width: 30px; height: 30px;
    display: grid; place-items: center;
    background: transparent;
    border: 0; cursor: pointer;
    color: var(--ink-3);
    border-radius: var(--r);
    transition: all var(--t);
}
.drawer-close:hover { background: var(--bg-hover); color: var(--ink); }
.drawer-body { padding: 22px 28px; overflow-y: auto; flex: 1; }
.drawer-body p.config-note { margin-top: 0; }
.drawer-footer {
    display: flex; gap: 10px; justify-content: flex-end;
    padding: 16px 28px; border-top: 1px solid var(--rule);
    background: var(--paper-2);
}
[data-theme="dark"] .drawer-footer { background: var(--paper-3); }

/* ===== command palette ===== */
.cmdk-backdrop {
    position: fixed;
    inset: 0;
    z-index: 700;
    background: rgba(20,17,11,0.55);
    backdrop-filter: blur(8px);
    display: none;
}
.cmdk-backdrop.open { display: grid; place-items: start center; padding-top: 12vh; }
.cmdk {
    width: min(620px, calc(100% - 32px));
    background: var(--paper);
    border: 1px solid var(--rule-strong);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    animation: cmdk-in 200ms cubic-bezier(0.2,0,0,1) both;
}
[data-theme="dark"] .cmdk { background: var(--paper-2); }
@keyframes cmdk-in { from { opacity: 0; transform: translateY(-6px) scale(0.99); } to { opacity: 1; transform: translateY(0) scale(1); } }
.cmdk-input-wrap {
    display: flex; align-items: center; gap: 10px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--rule);
}
.cmdk-input-wrap svg { width: 16px; height: 16px; color: var(--ink-3); flex-shrink: 0; }
.cmdk-input-wrap input {
    flex: 1;
    height: auto;
    padding: 0;
    background: transparent;
    border: 0 !important;
    box-shadow: none !important;
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    outline: none;
}
.cmdk-input-wrap input::placeholder { color: var(--ink-4); font-style: italic; }
.cmdk-list { max-height: 50vh; overflow-y: auto; padding: 8px 0; }
.cmdk-section {
    padding: 4px 0;
}
.cmdk-section-title {
    padding: 8px 20px 4px;
    font-family: var(--font-mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-weight: 500;
    color: var(--ink-4);
}
.cmdk-item {
    display: flex; align-items: center; gap: 12px;
    padding: 9px 20px;
    cursor: pointer;
    color: var(--ink-2);
    font-size: 13.5px;
}
.cmdk-item:hover, .cmdk-item.active {
    background: var(--bg-hover);
    color: var(--ink);
}
.cmdk-item .cmdk-key {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--ink-3);
    letter-spacing: 0.04em;
}
.cmdk-item .cmdk-icon {
    width: 22px; height: 22px;
    display: grid; place-items: center;
    background: var(--paper-2);
    border: 1px solid var(--rule);
    border-radius: var(--r-sm);
    flex-shrink: 0;
    color: var(--ink-3);
}
[data-theme="dark"] .cmdk-item .cmdk-icon { background: var(--paper-3); }
.cmdk-item-meta { color: var(--ink-3); font-size: 12px; margin-left: 6px; font-family: var(--font-mono); }
.cmdk-empty { padding: 32px 20px; text-align: center; color: var(--ink-3); font-style: italic; font-family: var(--font-display); font-variation-settings: "opsz" 9; }
.cmdk-footer {
    display: flex; gap: 14px; justify-content: flex-end;
    padding: 10px 20px;
    background: var(--paper-2);
    border-top: 1px solid var(--rule);
    color: var(--ink-3);
    font-size: 11.5px;
    font-family: var(--font-mono);
}
[data-theme="dark"] .cmdk-footer { background: var(--paper-3); }
.cmdk-footer kbd {
    padding: 1px 5px;
    border: 1px solid var(--rule-strong);
    background: var(--paper);
    border-radius: var(--r-sm);
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--ink-2);
    margin-right: 3px;
}
[data-theme="dark"] .cmdk-footer kbd { background: var(--paper-2); }

/* ===== sub tabs (logs) ===== */
.sub-tabbar {
    display: flex; gap: 0;
    border-bottom: 1px solid var(--rule);
    padding: 0 18px;
    overflow-x: auto;
}
.sub-tabbar::-webkit-scrollbar { display: none; }
.sub-tab-btn {
    flex-shrink: 0;
    height: 42px;
    padding: 0 14px;
    background: transparent;
    border: 0;
    border-bottom: 2px solid transparent;
    color: var(--ink-3);
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: -1px;
    transition: all var(--t);
}
.sub-tab-btn:hover { color: var(--ink); }
.sub-tab-btn.active { color: var(--ink); border-bottom-color: var(--ink); font-weight: 600; }
.sub-tab-btn .tab-badge {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 20px; height: 18px;
    padding: 0 5px;
    background: var(--paper-2);
    border-radius: var(--r-sm);
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--ink-3);
}
.sub-tab-content { display: none; }
.sub-tab-content.active { display: block; }

/* =================================================================
   UTILITIES — 单职责工具类。仅用来替代 inline style 的微调,
   不要拿来拼复杂布局(那个交给命名组件类)。
   命名:.u-<属性缩写>-<token 编号 / 关键字>
   ================================================================= */

/* spacing — margin / padding / gap, 走 --space-* token */
.u-mt-1 { margin-top: var(--space-1); }
.u-mt-2 { margin-top: var(--space-2); }
.u-mt-3 { margin-top: var(--space-3); }
.u-mt-4 { margin-top: var(--space-4); }
.u-mt-5 { margin-top: var(--space-5); }
.u-mt-6 { margin-top: var(--space-6); }
.u-mt-7 { margin-top: var(--space-7); }
.u-mb-0 { margin-bottom: 0; }
.u-mb-2 { margin-bottom: var(--space-2); }
.u-mb-3 { margin-bottom: var(--space-3); }
.u-mb-4 { margin-bottom: var(--space-4); }
.u-mb-5 { margin-bottom: var(--space-5); }
.u-mb-6 { margin-bottom: var(--space-6); }
.u-mr-auto { margin-right: auto; }
.u-ml-auto { margin-left: auto; }
.u-m-0 { margin: 0; }
.u-py-empty { padding: var(--space-7) 0; } /* 空表格行的标准上下留白 */
.u-mt-section { margin-top: 18px; }            /* 节与节之间的常规间距(2px 偏中,刻意保留) */
.u-mb-section { margin-bottom: 18px; }

/* layout */
.u-flex { display: flex; }
.u-flex-inline { display: inline-flex; }
.u-flex-col { flex-direction: column; }
.u-items-center { align-items: center; }
.u-items-start { align-items: flex-start; }
.u-justify-between { justify-content: space-between; }
.u-gap-1 { gap: var(--space-1); }
.u-gap-2 { gap: var(--space-2); }
.u-gap-3 { gap: var(--space-3); }
.u-gap-4 { gap: var(--space-4); }
.u-gap-5 { gap: var(--space-5); }
.u-grow { flex: 1 1 auto; min-width: 0; }
.u-display-contents { display: contents; }

/* text */
.u-text-xs   { font-size: var(--text-xs); }
.u-text-sm   { font-size: var(--text-sm); }
.u-text-base { font-size: var(--text-base); }
.u-text-md   { font-size: var(--text-md); }
.u-text-lg   { font-size: var(--text-lg); }
.u-text-mono    { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.u-text-display { font-family: var(--font-display); }
.u-text-mute    { color: var(--ink-3); }
.u-text-strong  { color: var(--ink); font-weight: var(--weight-semibold); }
.u-text-italic  { font-style: italic; }
.u-text-center  { text-align: center; }
.u-text-right   { text-align: right; }
.u-text-nowrap  { white-space: nowrap; }

/* 表格行末尾"· N 条 / · N 人"这种次要计数 — 7+ 处重复 inline 收成一类 */
.u-row-meta {
    font-weight: var(--weight-regular);
    color: var(--ink-3);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    letter-spacing: 0;
}

/* eyebrow:章节顶部 "RUNTIME · BILLING" 这种全大写小标签,2 处重复 inline */
.u-eyebrow {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: var(--weight-regular);
    color: var(--ink-3);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* doc 风格的"摘要 / 说明小段"风格 */
.u-note {
    color: var(--ink-3);
    font-size: var(--text-sm);
    font-style: italic;
    font-family: var(--font-display);
    font-variation-settings: 'opsz' 9;
    line-height: 1.55;
}

/* ===== responsive ===== */
@media (max-width: 1080px) {
    :root { --sidebar-w: 200px; }
    .ed-title h1 { font-size: 36px; }
    .account-hero { grid-template-columns: 1fr; }
    .hero-balance { border-left: 0; border-top: 1px solid var(--rule); padding-left: 36px; }
    .hero-balance-meta { padding-left: 0; }
    .metric-grid { grid-template-columns: repeat(2, 1fr); }
    .metric-grid .metric-card:nth-child(2) { border-right: 0; }
    .metric-grid .metric-card:nth-child(-n+2) { border-bottom: 1px solid var(--rule); }
    .panel-grid { grid-template-columns: 1fr; }
    .form-grid, .form-grid.three { grid-template-columns: 1fr 1fr; }
    .page-grid, .doc-layout { grid-template-columns: 1fr; }
    .sidebar { position: static; }
    .side-nav { flex-direction: row; flex-wrap: wrap; }
    .side-nav a, .side-nav button { flex: 1; min-width: 120px; justify-content: center; border-left: 0; border-bottom: 2px solid transparent; }
    .side-nav a.active, .side-nav button.active { border-left: 0; border-bottom-color: var(--signal); }
}

@media (max-width: 880px) {
    .admin-shell { grid-template-columns: 1fr; }
    /* 关键：mobile 上 sidebar 不再 sticky，否则会一直占着 280px 遮挡内容 */
    .admin-sidebar {
        position: static;
        top: auto;
        height: auto;
        max-height: none;
        padding: 12px 16px 14px;
        border-right: 0;
        border-bottom: 1px solid var(--rule);
        background: var(--paper-2);
    }
    [data-theme="dark"] .admin-sidebar { background: var(--paper-3); }
    .admin-tabbar { flex-direction: row; flex-wrap: wrap; gap: 6px; }
    .admin-nav-group { flex: 1 1 100%; flex-direction: row; flex-wrap: wrap; gap: 4px; }
    .admin-nav-group-label { width: 100%; padding-left: 0; font-size: 9.5px; margin-bottom: 4px; }
    .admin-tabbar button {
        flex: 0 0 auto;
        height: 30px;
        padding: 0 12px;
        border-left: 0;
        border: 1px solid var(--rule);
        border-radius: var(--r);
    }
    .admin-tabbar button.active {
        background: var(--ink);
        color: var(--paper);
        border-color: var(--ink);
        border-left: 1px solid var(--ink);
    }
    [data-theme="dark"] .admin-tabbar button.active { background: var(--ink); color: var(--paper); }
    .admin-tab-body { padding: 22px 18px 60px; }

    /* topbar 瘦身：sub-title、cmdk 文案、kbd 全部隐藏 */
    .admin-topbar-inner { padding: 0 16px; gap: 8px; height: 52px; }
    .admin-brand strong em { display: none; }
    .cmdk-trigger { min-width: 0; flex-shrink: 1; padding: 0 10px; gap: 6px; }
    .cmdk-trigger span { display: none; }
    .cmdk-trigger kbd { display: none; }

    /* overview widgets 塌陷成单列 / 双列 */
    .ops-health { grid-template-columns: 1fr; gap: 12px; margin-bottom: 18px; }
    .today-snap { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; margin-bottom: 18px; }
    .errlist-row {
        grid-template-columns: 1fr auto;
        gap: 4px 10px;
        padding: 12px 16px;
    }
    .errlist-row .errlist-time { grid-column: 1 / -1; order: -1; }
    .errlist-row .errlist-go { display: none; }
    .errlist-row .errlist-status { text-align: left; font-size: 12px; }
    .trend-row {
        grid-template-columns: 80px 1fr 60px 80px;
        gap: 10px;
        padding: 10px 14px;
    }
}

@media (max-width: 640px) {
    /* 进一步精简：topbar 隐藏次要 utility（"用户主页"），保留 cmdk + theme + 退出 */
    .admin-topbar-inner .top-actions a.btn-ghost { display: none; }
    /* brand 进一步收紧 */
    .admin-brand strong { font-size: 15px; }
    /* 章节大标题缩小 */
    .ed-title { padding-bottom: 8px; margin-bottom: 14px; gap: 8px; }
    .ed-title h1 { font-size: 22px; }
    .ed-title-num, .ed-title-meta { font-size: 10.5px; }
    .ed-title.hero h1 { font-size: 32px; }
    /* table 工具条堆叠 */
    .tbl-toolbar { gap: 8px; padding: 10px 14px; }
    .tbl-toolbar .tbl-search { flex: 1 1 100%; }
}

@media (max-width: 480px) {
    .today-snap { grid-template-columns: 1fr; }
    .admin-tab-body { padding: 16px 12px 50px; }
    .balance-card-footer { grid-template-columns: 1fr; }
    .balance-card-footer-cell {
        padding: 14px 0 !important;
        border-right: 0 !important;
        border-bottom: 1px solid var(--rule);
    }
    .balance-card-footer-cell:last-child { border-bottom: 0; }
    /* drawer 全宽 */
    .drawer { width: 100%; }
    /* topbar height 更紧 */
    .admin-topbar-inner { height: 48px; padding: 0 12px; }
}

@media (max-width: 640px) {
    .app-shell { padding: 24px 16px 60px; }
    .admin-tab-body { padding: 18px 16px 60px; }
    .ed-title h1, .admin-section-title h2 { font-size: 28px; }
    .form-grid, .form-grid.three { grid-template-columns: 1fr; }
    .metric-grid { grid-template-columns: 1fr; }
    .metric-grid .metric-card { border-right: 0 !important; border-bottom: 1px solid var(--rule); }
    .metric-grid .metric-card:last-child { border-bottom: 0; }
    .auth-card { padding: 30px 22px; }
    .hero-name { font-size: 26px; }
    .hero-balance-amount { font-size: 40px; }
    .drawer { width: 100%; }
}

/* 计费计算器抽屉结果(billing_calculator_result) */
.billing-calc-result { margin-top: 14px; }
.billing-calc-output {
    padding: 12px 14px;
    border-radius: 8px;
    background: var(--surface-2, #f4f4f5);
    border: 1px solid var(--border, #e4e4e7);
    font-weight: 600;
}
.billing-calc-output.is-error {
    background: rgba(220, 38, 38, .08);
    border-color: rgba(220, 38, 38, .35);
    color: #dc2626;
    font-weight: 500;
}