/* Shared, framework-free design system. Screen-specific rules live in *-minimal.css. */
:root {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color-scheme: light;
  --canvas: #f7f8fa; --surface: #ffffff; --surface-alt: #f1f4f7;
  --ink: #182230; --muted: #526070; --line: #e4e7ec;
  --nav: #111c2c; --nav-soft: #203242; --nav-ink: #d2dce8;
  --brand: #087f78; --brand-dark: #066a64; --brand-soft: #e7f5f2;
  --on-brand: #ffffff; --purple: #7665d8; --brand-mark-ink: #13b8ad;
  --success: #146c43; --success-soft: #e7f5ec;
  --danger: #b42318; --danger-soft: #fef0ee;
  --warning: #875500; --warning-soft: #fff6df;
  --code-bg: #111c2c; --code-ink: #e6edf5;
  --focus: #376ed4; --shadow: 0 1px 3px #18223008;
}
* { box-sizing: border-box; }
html { scroll-behavior: auto; }
body { margin: 0; background: var(--canvas); color: var(--ink); font-size: 14px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { opacity: .55; cursor: not-allowed; }
:where(button,a,input,select,textarea,summary,[tabindex]):focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--ink); letter-spacing: -.025em; font-weight: 650; }
h1 { font-size: 26px; line-height: 1.25; }
h2 { font-size: 17px; line-height: 1.4; }
h3 { font-size: 15px; line-height: 1.4; }
p { color: var(--muted); }
small, .muted { color: var(--muted); }
[hidden] { display: none !important; }
code, pre, .mono { font-family: ui-monospace, "SFMono-Regular", "Cascadia Code", Consolas, monospace; font-variant-ligatures: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 12px; top: -70px; z-index: 100; background: var(--surface); color: var(--ink); padding: 10px 16px; border: 1px solid var(--line); }
.skip-link:focus { top: 12px; }
.brand { display: flex; align-items: center; color: var(--ink); text-decoration: none; padding: 0; gap: 8px; }
.brand:hover { text-decoration: none; }
.brand-mark { display: inline-flex; align-items: center; width: auto; height: auto; background: none; border-radius: 0; color: var(--brand-mark-ink); font-size: 32px; line-height: 1; letter-spacing: -.035em; font-weight: 750; }
.brand-ai { color: var(--purple); }
.brand-name { color: var(--ink); font-size: 23px; line-height: 1.2; font-weight: 650; white-space: nowrap; letter-spacing: -.035em; }
.brand-logo { display: block; width: 188px; height: auto; }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: 216px minmax(0,1fr); }
.sidebar { background: var(--nav); color: var(--nav-ink); padding: 26px 12px 20px; position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; overflow-y: auto; }
.sidebar .brand { padding: 0 14px 26px; }
.sidebar-label { color: #aab8c9; font-size: 12px; font-weight: 500; padding: 8px 14px; margin: 0; }
.nav-list { display: grid; gap: 4px; }
.nav-list a { color: var(--nav-ink); display: flex; align-items: center; gap: 10px; padding: 10px 14px; min-height: 42px; border-radius: 6px; font-size: 13px; font-weight: 500; line-height: 1.4; }
.nav-list a:hover { background: var(--nav-soft); color: #fff; text-decoration: none; }
.nav-list a.active, .nav-list a[aria-current="page"] { background: #173d42; color: #effffb; }
.nav-dot { width: 6px; height: 6px; background: #92a7bd; border-radius: 50%; flex: none; }
.nav-list .active .nav-dot { background: #40c6b9; }
.nav-icon { width: 18px; height: 18px; flex: none; }
.sidebar-footer { margin-top: auto; padding: 20px 14px 0; border-top: 1px solid #304054; font-size: 12px; color: #aab8c9; }
.sidebar-footer a { color: #7ddcd0; }
.workspace { min-width: 0; }
.topbar { min-height: 64px; background: var(--surface); border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; padding: 12px 28px; gap: 14px; position: sticky; top: 0; z-index: 10; }
.topbar-title { color: var(--ink); font-size: 14px; font-weight: 550; }
.topbar-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.content { max-width: 1480px; margin: 0 auto; padding: 28px 28px 64px; }
.page-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.page-heading h1 { margin-bottom: 0; }
.page-heading p { margin: 8px 0 0; }
.page-meta, .helper { color: var(--muted); font-size: 13px; line-height: 1.55; }
.helper { margin: 8px 0 0; }
.eyebrow { font-size: 13px; font-weight: 500; color: var(--muted); margin: 0 0 8px; letter-spacing: 0; }
.surface { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; margin-bottom: 20px; min-width: 0; }
.surface-pad { padding: 22px; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 22px 18px; }
.section-heading h2 { margin: 0 0 4px; }
.section-heading p { margin: 0; font-size: 13px; }
.section-body { padding: 0 22px 22px; }
.metric-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(150px,1fr)); gap: 14px; }
.metric-card { padding: 18px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; min-width: 0; }
.metric-card span { color: var(--muted); font-size: 13px; font-weight: 500; }
.metric-card strong { display: block; margin-top: 8px; font-size: 28px; line-height: 1.2; font-weight: 600; letter-spacing: -.035em; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.metric-card small { display: block; margin-top: 7px; font-size: 12px; }
.metric-card.featured { background: var(--surface); color: var(--ink); }
.metric-card.featured span, .metric-card.featured small { color: var(--muted); }
.table-scroll { width: 100%; max-width: 100%; min-width: 0; overflow: auto; overscroll-behavior-x: contain; }
.data-table { border-collapse: collapse; width: 100%; }
.data-table th { color: var(--muted); background: var(--surface-alt); font-size: 12px; font-weight: 550; white-space: nowrap; }
.data-table td, .data-table th { text-align: left; vertical-align: middle; padding: 13px 16px; border-bottom: 1px solid var(--line); }
.data-table td { color: var(--ink); font-size: 13px; }
.data-table tbody tr:hover { background: var(--surface-alt); }
.data-table tr:last-child td { border-bottom: 0; }
.data-table .mono { font-size: 12px; overflow-wrap: anywhere; }
.badge { display: inline-flex; align-items: center; gap: 6px; border-radius: 5px; padding: 3px 8px; font-size: 12px; font-weight: 500; white-space: nowrap; }
.badge.success { color: var(--success); background: var(--success-soft); }
.badge.warning { color: var(--warning); background: var(--warning-soft); }
.badge.danger { color: var(--danger); background: var(--danger-soft); }
.badge.neutral { color: var(--muted); background: var(--surface-alt); }
.inline-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 40px; padding: 9px 14px; background: var(--brand); color: var(--on-brand); border: 1px solid transparent; border-radius: 6px; font-size: 13px; font-weight: 550; line-height: 1.4; }
.btn:hover { background: var(--brand-dark); text-decoration: none; }
.btn.secondary { background: var(--surface); color: var(--ink); border-color: var(--line); }
.btn.secondary:hover { background: var(--surface-alt); }
.btn.danger { background: var(--surface); color: var(--danger); border-color: var(--line); }
.btn.danger:hover { background: var(--danger-soft); }
.btn.small { min-height: 34px; padding: 6px 10px; font-size: 12px; }
.form-grid { display: flex; align-items: flex-end; gap: 14px; flex-wrap: wrap; }
.form-grid label, .field { display: flex; flex-direction: column; gap: 6px; min-width: 0; color: var(--muted); font-size: 13px; font-weight: 500; }
:where(.form-grid,.field) :where(input,select,textarea), .filter-input, .filter-select, .language-select, .theme-select {
  border: 1px solid var(--line); border-radius: 6px; background: var(--surface); color: var(--ink); padding: 9px 11px; min-height: 40px; max-width: 100%; min-width: 0; font-weight: 400;
}
.field input, .field textarea, .field select { width: 100%; }
.field textarea { resize: vertical; }
input::placeholder, textarea::placeholder { color: var(--muted); opacity: .85; }
.filter-input { width: 260px; }
.filter-select { min-width: 112px; }
input:disabled, select:disabled { opacity: .65; }
.toolbar, .toolbar-left, .toolbar-right { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.toolbar { justify-content: space-between; }
.subtle-panel { background: var(--surface-alt); border: 1px solid var(--line); border-radius: 6px; padding: 18px; }
.notice { background: var(--success-soft); color: var(--success); border: 1px solid var(--line); border-radius: 6px; padding: 12px 14px; font-size: 13px; line-height: 1.6; }
.notice.warning { background: var(--warning-soft); color: var(--warning); }
.notice.danger { background: var(--danger-soft); color: var(--danger); }
.pager { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 12px; padding: 14px 22px; border-top: 1px solid var(--line); }
.message { position: fixed; right: 20px; top: 16px; z-index: 80; display: flex; align-items: center; gap: 16px; max-width: min(440px,calc(100vw - 32px)); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; background: var(--ink); color: var(--canvas); box-shadow: 0 4px 16px #0002; font-size: 13px; }
.message-close { background: transparent; border: 0; color: inherit; font-size: 24px; width: 44px; min-width: 44px; height: 44px; padding: 4px 6px; line-height: 1; }
.empty { padding: 30px 22px; color: var(--muted); text-align: center; }
.code-block, .reference-codeblock { background: var(--code-bg); color: var(--code-ink); border-radius: 6px; padding: 18px; overflow: auto; font-size: 12px; line-height: 1.65; white-space: pre-wrap; overflow-wrap: anywhere; }
.split-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.locale-switcher, .appearance-switcher { display: inline-flex; align-items: center; flex: none; }
.language-select, .theme-select { font-size: 12px; min-height: 36px; max-width: 118px; padding: 7px 9px; }
.theme-select { max-width: 108px; }
.public-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.public-header-inner { max-width: 1580px; margin: auto; padding: 18px 28px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.public-links { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.public-links a { color: var(--muted); font-size: 13px; }
.public-links a[aria-current="page"] { color: var(--brand); }
.public-links .btn { color: var(--on-brand); }
.public-main { max-width: 1220px; margin: auto; padding: 40px 28px 72px; }
.public-hero { padding: 24px 0; max-width: 850px; }
.catalog-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(275px,1fr)); gap: 14px; }
.api-card { display: block; color: var(--ink); padding: 20px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.api-card:hover { border-color: var(--brand); text-decoration: none; }
.api-card h2 { font-size: 17px; }
.api-card code, .api-card .country { font-size: 12px; color: var(--muted); }
.auth-page { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.auth-aside { background: var(--nav); padding: 40px; color: #e6edf5; display: flex; flex-direction: column; justify-content: space-between; }
.auth-aside h1 { color: #e6edf5; }
.auth-aside p { color: #a5b3c4; }
.auth-content { display: grid; place-items: center; padding: 32px 24px; }
.auth-card { width: min(100%,410px); padding: 28px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
.auth-card h2 { font-size: 26px; }
.auth-card .field { margin: 18px 0; }
.auth-card .btn { width: 100%; }
.auth-links { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-top: 22px; }
.auth-note { border-top: 1px solid var(--line); padding-top: 18px; margin-top: 24px; font-size: 13px; }
.registration-card { width: min(100%,680px); margin: 20px auto; padding: 30px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.registration-card .field { margin: 16px 0; }
.reference-shell { max-width: 1480px; margin: 0 auto; display: grid; grid-template-columns: 280px minmax(0,1fr); gap: 24px; padding: 28px; align-items: start; }
.reference-sidebar { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; min-height: 0; overflow: hidden; }
.reference-sidebar-head { padding: 20px 18px; border-bottom: 1px solid var(--line); }
.reference-filter { display: grid; gap: 8px; padding: 16px 18px; }
.reference-filter label { font-size: 13px; color: var(--muted); }
.reference-filter .filter-input, .reference-filter .filter-select { width: 100%; }
.reference-nav { position: relative; overflow: auto; min-height: 0; padding: 8px; }
.reference-link { display: block; color: var(--ink); padding: 12px; border-radius: 6px; line-height: 1.4; border: 1px solid transparent; }
.reference-link:hover { background: var(--surface-alt); text-decoration: none; }
.reference-link.active { background: var(--brand-soft); border-color: var(--brand); }
.reference-link-top { display: flex; justify-content: space-between; gap: 8px; color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.reference-link strong { display: block; font-size: 13px; font-weight: 550; }
.reference-link-arrow { font-size: 20px; line-height: 1; }
.reference-content { min-width: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 28px; }
.reference-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.reference-heading h2 { font-size: 26px; margin-bottom: 10px; }
.reference-code { font: 13px/1.55 ui-monospace, "SFMono-Regular", Consolas, monospace; color: var(--muted); overflow-wrap: anywhere; margin: 0; }
.reference-layout { display: grid; grid-template-columns: minmax(0,1fr) minmax(300px,39%); gap: 24px; border-top: 1px solid var(--line); }
.reference-main, .reference-side { min-width: 0; }
.reference-section { border-top: 1px solid var(--line); padding: 22px 0; }
.reference-layout .reference-section:first-child { border-top: 0; }
.reference-section-title { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.reference-section-title h3 { margin: 0; }
.reference-section-title > span { font: 12px/1.5 ui-monospace, monospace; color: var(--muted); background: var(--surface-alt); padding: 5px 7px; border-radius: 5px; }
.reference-section code { font-size: 12px; background: var(--surface-alt); padding: 2px 5px; border-radius: 4px; overflow-wrap: anywhere; }
.reference-field-list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.reference-field-list code { padding: 5px 8px; border: 1px solid var(--line); }
.reference-endpoint { display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); border-radius: 6px; padding: 12px; background: var(--surface-alt); overflow: auto; }
.reference-endpoint code { white-space: nowrap; background: none; padding: 0; }
.method-tag { background: var(--brand-soft); color: var(--brand-dark); font-size: 12px; padding: 4px 7px; border-radius: 4px; font-weight: 550; }
.reference-steps { display: grid; gap: 8px; padding-left: 22px; color: var(--ink); }
.response-mode-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; margin-bottom: 16px; }
.response-mode-card { display: grid; align-content: start; gap: 8px; padding: 14px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface-alt); }
.response-mode-card p { margin: 0; }
.reference-placeholder { text-align: center; padding: 48px 20px; }
.action-dialog { border: 1px solid var(--line); border-radius: 8px; padding: 0; width: min(480px,calc(100vw - 32px)); max-height: calc(100dvh - 40px); overflow: auto; background: var(--surface); color: var(--ink); }
.action-dialog::backdrop, .navigation-dialog::backdrop { background: #0008; }
.action-dialog form { padding: 24px; }
.action-dialog h2 { margin-bottom: 8px; }
.action-dialog .field { margin: 16px 0; }
.dialog-actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.menu-toggle { display: none; }
.navigation-dialog { position: fixed; margin: 0; inset: 0 auto 0 0; height: 100dvh; max-height: 100dvh; width: min(288px,calc(100vw - 48px)); max-width: none; padding: 0; border: 0; background: var(--nav); color: #e6edf5; }
.menu-close { position: absolute; right: 10px; top: 16px; width: 44px; height: 44px; background: transparent; border: 0; color: #e6edf5; font-size: 26px; z-index: 1; }
.navigation-dialog .drawer-sidebar { display: flex; position: static; height: 100%; width: 100%; padding-top: 28px; }
details > summary { cursor: pointer; color: var(--ink); font-size: 13px; padding: 8px 0; }
summary:hover { color: var(--brand); }
@media (max-width: 1100px) { .split-grid { grid-template-columns: 1fr; } }
@media (max-width: 900px) {
  .app-shell { display: block; }
  .app-shell > .sidebar { display: none; }
  .topbar { padding: 10px 18px; min-height: 64px; flex-wrap: wrap; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; padding: 0; background: transparent; border: 1px solid var(--line); border-radius: 6px; color: var(--ink); font-size: 22px; }
  .content { padding: 24px 18px 48px; }
  .auth-page { grid-template-columns: 1fr; }
  .auth-aside { min-height: 180px; padding: 24px; }
}
@media (max-width: 560px) {
  body { font-size: 14px; }
  .content { padding: 20px 16px 40px; }
  h1 { font-size: 24px; }
  .page-heading { align-items: flex-start; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
  .topbar { padding: 10px 16px; gap: 8px; }
  .topbar-title { flex: 1; }
  .topbar-actions { gap: 8px; }
  .public-header-inner { flex-wrap: wrap; padding: 16px; gap: 14px; }
  .public-links { gap: 12px; }
  .public-links a { display: inline-flex; min-height: 36px; align-items: center; }
  .public-main { padding: 24px 16px 48px; }
  .metric-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
  .metric-card { padding: 14px; }
  .metric-card strong { font-size: 25px; }
  .section-heading, .surface-pad { padding: 18px; }
  .section-heading { align-items: flex-start; flex-wrap: wrap; gap: 12px; }
  .section-body { padding: 0 18px 18px; }
  .btn, .btn.small, .field input, .field select, .filter-input, .filter-select, .language-select, .theme-select { min-height: 44px; }
  .pager { padding: 14px 18px; }
  .data-table td, .data-table th { padding: 12px 14px; }
  .registration-card { padding: 22px; }
  .message { right: 16px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }