/* Visual language mirrors agent.airyhr.com (frontend/src/index.css + components/ui). */
@font-face {
  font-family: 'Outfit';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('assets/outfit-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
    U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Sora';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url('assets/sora-latin-300.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
    U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  color-scheme: light;
  --color-brand: #7c5cf0;
  --color-brand-soft: #f1edfe;
  --color-good: #3383cc;
  --color-good-soft: #cde7fb;
  --color-warn: #2f6bf6;
  --color-warn-soft: #e8f0fe;
  --color-red: #d92d20;
  --color-red-soft: #fee4e2;
  --color-ink: #101828;
  --color-ink-2: #475467;
  --color-ink-3: #667085;
  --color-surface: #ffffff;
  --color-surface-2: #f8f9fc;
  --color-line: #eaecf0;
  --color-line-2: #f1f3f8;
  --color-placeholder: #98a2b3;
  --color-table-hover: #fbfafe;
  --gradient-brand: linear-gradient(135deg, #7c5cf0 0%, #8fcbf5 100%);
  --gradient-brand-soft: linear-gradient(135deg, rgba(124, 92, 240, 0.1), rgba(143, 203, 245, 0.1));
  --gradient-hero: linear-gradient(135deg, #1e1b4b 0%, #312e81 60%, #3b3392 100%);
  --radius-card: 16px;
  --radius-control: 10px;
  --shadow-card: 0 2px 8px -2px rgba(35, 56, 118, 0.06), 0 12px 28px -14px rgba(35, 56, 118, 0.14);
  --shadow-focus: 0 0 10px 2px rgba(124, 92, 240, 0.22);
  --shadow-brand: 0 3px 12px rgba(124, 92, 240, 0.28);
  --shadow-brand-hover: 0 5px 18px rgba(124, 92, 240, 0.36);
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --font-display: 'Sora', 'Outfit', -apple-system, 'PingFang SC', 'Noto Sans SC', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { background: var(--color-surface-2); }
body {
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
}
button, input, select { font: inherit; color: inherit; }
::placeholder { color: var(--color-placeholder); }
:where(a, button, input, select, [tabindex]):focus-visible { outline: none; box-shadow: var(--shadow-focus); }
h1 { margin: 0; font-family: var(--font-display); font-size: 22px; font-weight: 300; letter-spacing: -0.01em; }
h2, h3 { margin: 0; letter-spacing: -0.01em; }
h2 { font-size: 15px; font-weight: 500; }
h3 { font-size: 13px; font-weight: 500; }
.sr { position: absolute; top: 0; left: 0; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Top bar */
.app-topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 14px 28px;
  border-bottom: 1px solid var(--color-line);
  background: rgba(248, 249, 252, 0.85);
  backdrop-filter: blur(8px);
}
.topbar-logo { height: 26px; width: auto; display: block; }
.topbar-divider { width: 1px; height: 20px; background: var(--color-line); }
.app-topbar-title { font-size: 15px; font-weight: 500; letter-spacing: -0.01em; }
.app-topbar-model {
  padding: 2px 8px; border: 1px solid var(--color-line); border-radius: 999px;
  color: var(--color-ink-3); font-size: 11.5px; font-weight: 500; white-space: nowrap;
}
.app-topbar-spacer { flex: 1; }
.period { display: inline-flex; align-items: center; gap: 10px; font-size: 12px; font-weight: 500; color: var(--color-ink-2); }
.period input { width: 150px; }

.app-content { width: 100%; max-width: 1180px; margin: 0 auto; padding: 26px 28px 28px; display: grid; gap: 18px; }
.page-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 12px 24px; }
.page-head p { margin: 6px 0 0; color: var(--color-ink-3); max-width: 72ch; }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.app-chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 12px; border: 1px solid var(--color-line); border-radius: 999px;
  background: var(--color-surface); color: var(--color-ink-2); font-size: 12px; font-weight: 500; white-space: nowrap;
}
.app-chip-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gradient-brand); flex-shrink: 0; }
.app-chip.bad { border-color: var(--color-red-soft); background: var(--color-red-soft); color: var(--color-red); }
.app-chip.bad .app-chip-dot { background: var(--color-red); }

/* Cards */
.card { background: var(--color-surface); border-radius: var(--radius-card); box-shadow: var(--shadow-card); padding: 20px 22px; min-width: 0; }
.card-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }

/* Buttons (components/ui/Button.tsx) */
button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; white-space: nowrap;
  padding: 9px 16px; border: 0; border-radius: var(--radius-control);
  font-size: 13px; font-weight: 600; cursor: pointer;
  background: var(--gradient-brand); color: var(--color-surface); box-shadow: var(--shadow-brand);
  transition: transform 150ms, box-shadow 150ms, filter 150ms;
}
button:hover { transform: translateY(-1px); box-shadow: var(--shadow-brand-hover); }
button:disabled { opacity: 0.45; pointer-events: none; box-shadow: none; transform: none; }
button.ghost { background: var(--color-surface); color: var(--color-ink-2); border: 1px solid var(--color-line); box-shadow: none; }
button.ghost:hover { color: var(--color-ink); transform: none; }
button.soft { background: var(--color-brand-soft); color: var(--color-brand); box-shadow: none; }
button.soft:hover { filter: brightness(0.98); transform: none; }
button.link { padding: 4px 6px; background: none; box-shadow: none; color: var(--color-brand); font-weight: 500; font-size: 12px; }
button.link:hover { transform: none; text-decoration: underline; }
button.link.muted { color: var(--color-ink-3); }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }

/* Tabs (components/ui/Tabs.tsx) */
.tabs { display: flex; gap: 4px; padding: 4px; border-radius: 12px; background: var(--color-line-2); width: max-content; max-width: 100%; }
.tabs button {
  background: none; box-shadow: none; color: var(--color-ink-3); font-size: 12px; font-weight: 500;
  padding: 7px 15px; border-radius: var(--radius-control);
}
.tabs button:hover { transform: none; }
.tabs button[aria-selected="true"] { background: var(--color-surface); color: var(--color-ink); box-shadow: 0 1px 2px rgba(16, 24, 40, 0.06); }

/* Inputs (components/ui/Field.tsx) */
input, select {
  width: 100%; min-width: 0; padding: 9px 12px;
  border: 1px solid var(--color-line); border-radius: var(--radius-control);
  background: var(--color-surface); color: var(--color-ink); font-size: 13px; outline: none;
  transition: border-color 150ms, box-shadow 150ms;
}
input:focus, select:focus { border-color: var(--color-brand); box-shadow: var(--shadow-focus); }
.field label { display: block; margin-bottom: 5px; font-size: 12px; font-weight: 500; color: var(--color-ink-2); }
.field label small { display: block; margin-top: 1px; font-size: 11px; font-weight: 400; color: var(--color-ink-3); }
.field.err input { border-color: var(--color-red); }

/* Upload */
.drop {
  position: relative; display: grid; justify-items: center; gap: 6px; text-align: center;
  padding: 30px 20px; margin-bottom: 14px; cursor: pointer;
  border: 1.5px dashed #d6ccfb; border-radius: 14px; background: var(--gradient-brand-soft);
  transition: border-color 150ms, background 150ms;
}
.drop:hover, .drop.over { border-color: var(--color-brand); }
.drop:focus-within { box-shadow: var(--shadow-focus); }
.drop input { position: absolute; inset: 0; opacity: 0; width: 1px; height: 1px; }
.drop-icon { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: var(--color-surface); color: var(--color-brand); box-shadow: var(--shadow-card); }
.drop-icon svg { width: 20px; height: 20px; }
.drop strong { font-size: 14px; font-weight: 500; }
.drop-hint { color: var(--color-ink-3); max-width: 76ch; }

/* Banner (components/ui/Banner.tsx) */
.banner { margin-top: 14px; padding: 13px 16px; border-radius: 13px; background: var(--color-brand-soft); color: var(--color-brand); font-size: 12.5px; font-weight: 500; white-space: pre-line; }
.banner.danger { background: var(--color-red-soft); color: var(--color-red); }

/* Manual form */
form { display: grid; gap: 12px; }
details.group { border: 1px solid var(--color-line); border-radius: 14px; padding: 12px 16px; }
details.group[open] { padding-bottom: 18px; }
details.group > summary { cursor: pointer; font-size: 13px; font-weight: 500; list-style-position: inside; }
details.group > summary span { margin-left: 8px; font-weight: 400; color: var(--color-ink-3); font-size: 12px; }
.grid { display: grid; gap: 13px 15px; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); margin-top: 14px; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.form-actions .hint { color: var(--color-ink-3); font-size: 12px; }

/* Hero band (CycleHeroBand: deep indigo, single look) */
.hero-band {
  display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 18px 32px;
  padding: 22px 26px; border-radius: var(--radius-card); background: var(--gradient-hero); color: #fff;
  box-shadow: var(--shadow-card);
}
.hero-kicker { font-size: 12px; color: rgba(255, 255, 255, 0.7); }
.hero-title { margin-top: 4px; font-family: var(--font-display); font-weight: 300; font-size: 22px; letter-spacing: -0.01em; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 6px 22px; margin-top: 12px; font-size: 12px; color: rgba(255, 255, 255, 0.72); }
.hero-facts b { color: #fff; font-weight: 500; }
.hero-total { text-align: right; }
.hero-total .v { font-family: var(--font-display); font-weight: 300; font-size: 34px; line-height: 1.1; white-space: nowrap; }
.hero-total .l { font-size: 12px; color: rgba(255, 255, 255, 0.7); }
.hero-pill { display: inline-flex; align-items: center; gap: 6px; margin-top: 8px; padding: 3px 10px; border-radius: 999px; background: rgba(255, 255, 255, 0.12); font-size: 11.5px; }
.hero-pill::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: #8fcbf5; }

/* Stat cards (components/ui/Card.tsx StatCard) */
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.stat-grid:empty { display: none; }
.stat-card { background: var(--color-surface); border-radius: var(--radius-card); box-shadow: var(--shadow-card); padding: 18px 20px; min-width: 0; }
.stat-card.soft { background: var(--gradient-brand-soft), var(--color-surface); }
.stat-card .label { font-size: 12px; font-weight: 500; color: var(--color-ink-3); }
.stat-card .value { margin-top: 6px; font-family: var(--font-display); font-weight: 300; font-size: 24px; letter-spacing: -0.01em; white-space: nowrap; }
.stat-card .hint { margin-top: 4px; font-size: 11px; color: var(--color-ink-3); }

/* Results table (.ui-table) */
.runlog { margin: -6px 0 12px; color: var(--color-ink-3); font-size: 12px; }
.runlog.danger { margin: 0 0 12px; padding: 13px 16px; border-radius: 13px; background: var(--color-red-soft); color: var(--color-red); font-size: 12.5px; font-weight: 500; }
.ui-table-scroll { overflow-x: auto; position: relative; margin: 0 -22px; padding: 0 22px; }
.ui-table { width: 100%; border-collapse: collapse; }
.ui-table th {
  padding: 10px 14px; border-bottom: 1px solid var(--color-line);
  color: var(--color-ink-3); font-size: 11px; font-weight: 500; letter-spacing: 0.05em; text-align: left; white-space: nowrap;
}
.ui-table td { padding: 12px 14px; border-bottom: 1px solid var(--color-line-2); font-size: 13px; vertical-align: middle; white-space: nowrap; }
.ui-table :is(th, td).num { text-align: right; }
.ui-table tbody tr.emp { cursor: pointer; transition: background 100ms; }
.ui-table tbody tr.emp:hover { background: var(--color-table-hover); }
.ui-table tbody tr.emp[aria-expanded="true"] { background: var(--color-brand-soft); }
.ui-table tbody tr.emp[aria-expanded="true"] td { border-bottom-color: transparent; }
.who strong { display: block; font-weight: 500; }
.who span { color: var(--color-ink-3); font-size: 12px; }
td.acts { text-align: right; }
.ui-empty { padding: 38px 16px; color: var(--color-ink-3); text-align: center; }
.ui-empty svg { width: 30px; height: 30px; margin: 0 auto 8px; display: block; color: var(--color-brand); }
.ui-empty p { max-width: 56ch; margin: 0 auto; }
.ui-empty .ui-empty-title { margin-bottom: 4px; color: var(--color-ink); font-size: 14px; font-weight: 500; }

/* Pills (components/ui/Pill.tsx) — red is errors only; review states are blue */
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 500; white-space: nowrap; }
.pill::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill.good { background: var(--color-good-soft); color: var(--color-good); }
.pill.warn { background: var(--color-warn-soft); color: var(--color-warn); }
.pill.red { background: var(--color-red-soft); color: var(--color-red); }
.pill.brand { background: var(--color-brand-soft); color: var(--color-brand); }

/* Per-employee rule trace */
tr.detail > td { padding: 0 0 18px; white-space: normal; border-bottom: 1px solid var(--color-line-2); }
.ledger { position: sticky; left: 0; width: var(--wrap-w, 100%); padding: 6px 4px 0; }
.ledger-head { display: flex; flex-wrap: wrap; gap: 8px; padding: 10px 10px 4px; }
.ledger-summary { margin: 6px 10px 4px; padding: 10px 14px; border-radius: 12px; background: var(--color-surface-2); color: var(--color-ink-2); font-size: 12px; overflow-wrap: anywhere; }
.ledger h3 { padding: 16px 10px 6px; color: var(--color-ink-3); font-size: 12px; font-weight: 500; }
.step {
  display: grid; grid-template-columns: 26px minmax(0, 1fr) minmax(150px, 25%); gap: 4px 16px;
  margin: 0 0 8px; padding: 14px 16px; border: 1px solid var(--color-line); border-radius: 14px; background: var(--color-surface);
}
.step .no {
  display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%;
  background: var(--color-brand-soft); color: var(--color-brand); font-size: 11.5px; font-weight: 600;
}
.step h4 { margin: 2px 0 2px; font-size: 13.5px; font-weight: 500; }
.step .rule { margin: 0 0 8px; color: var(--color-ink-3); font-size: 12.5px; max-width: 80ch; }
.step .formula, .step .calc { margin: 0; font-size: 12.5px; line-height: 1.6; white-space: pre-wrap; overflow-wrap: anywhere; }
.step .formula { padding: 8px 12px; border-radius: var(--radius-control); background: var(--color-surface-2); color: var(--color-ink-2); }
.step .calc { padding: 8px 2px 0; color: var(--color-ink); }
.step .calc::before { content: '代入 '; color: var(--color-ink-3); }
.step .res { align-self: start; text-align: right; font-size: 14px; font-weight: 500; }
.step .res small { display: block; margin-top: 4px; font-size: 11px; font-weight: 400; color: var(--color-ink-3); }
.step .res a { color: var(--color-brand); text-decoration: none; }
.step .res a:hover { text-decoration: underline; }
.step.flag { border-color: #c9d9fd; background: var(--color-warn-soft); }
.step.flag .res { color: var(--color-warn); }
.step.flag .no { background: var(--color-surface); color: var(--color-warn); }
.step.note { background: var(--gradient-brand-soft), var(--color-surface); }

.foot { margin: 4px 0 0; color: var(--color-ink-3); font-size: 12px; }

@media (max-width: 960px) {
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .app-topbar { padding: 12px 16px; gap: 10px; }
  .app-topbar-model, .topbar-divider { display: none; }
  .period { width: 100%; justify-content: space-between; }
  .app-content { padding: 18px 16px 24px; }
  .card { padding: 16px; }
  .ui-table-scroll { margin: 0 -16px; padding: 0 16px; }
  .step { grid-template-columns: minmax(0, 1fr); padding: 12px; }
  .step .no { display: none; }
  .step .res { text-align: left; }
  .hero-total { text-align: left; }
  .stat-card .value { font-size: 18px; }
}
@media (prefers-reduced-motion: no-preference) {
  tr.detail .ledger { animation: open 180ms ease-out; }
  @keyframes open { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
}
@media (prefers-reduced-motion: reduce) {
  button { transition: none; }
}