/* ============================================================================
   lab-kit.css · Shared design system for the HR demo pages.
   Production Amity palette + topbar + bento/stat/bar/table primitives +
   guided-tour layer. Each demo page links this, then adds a small demo-
   specific stylesheet. NO marketing copy lives on the demo pages — every
   explanation is delivered through the guided tour (lab-tour.js).
   ========================================================================== */
:root {
  --mint: #04BE8C;
  --mint-hover: #03A77B;
  --mint-700: #03a87b;
  --mint-600: #0bb986;
  --mint-ink: #036b4d;            /* WCAG-AA dark green for small accent TEXT */
  --mint-tint: #e8f9f3;
  --mint-tint-2: #f3fbf8;
  --ink: #0E1410;
  --softer: #FAFBFA;
  --soft: #f3f5f4;
  --surface: #fff;
  --line: #E6EBE8;
  --line-soft: #EEF1EF;
  --text-1: #14201b;
  --text-2: #4a544f;
  --text-dim: #5A635F;
  --text-soft: #8A948F;
  --danger: #dc2626; --danger-soft: #fee2e2;
  --warn: #b45309;   --warn-soft: #fef3c7;
  --ok: #047857;     --ok-soft: #d1fae5;
  --info: #0369a1;   --info-soft: #dbeafe;

  --font: 'Inter', 'IBM Plex Sans Thai', 'Sarabun', system-ui, sans-serif;
  --font-display: 'Manrope', 'IBM Plex Sans Thai', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;

  --r-sm: 9px; --r-md: 14px; --r-lg: 20px; --r-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.04);
  --shadow: 0 1px 3px rgba(0,0,0,.04), 0 10px 30px rgba(0,0,0,.07);
  --shadow-mint: 0 4px 14px rgba(4,190,140,.18), 0 18px 46px rgba(4,168,123,.20);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: var(--font);
  font-size: 14px; line-height: 1.55; color: var(--text-1);
  background: var(--softer);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  display: flex; flex-direction: column; min-height: 100vh; overflow-x: hidden;
}
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img, svg { display: block; max-width: 100%; }
.mono { font-family: var(--font-mono); }
.mint { color: var(--mint-ink); }

/* ============================== Topbar ============================== */
.lab-top {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 13px;
  padding: 12px 22px;
  background: rgba(255,255,255,.9);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.lab-top__brand img { height: 22px; }
.lab-top__title {
  display: flex; flex-direction: column; line-height: 1.15;
  padding-left: 13px; border-left: 1px solid var(--line);
}
.lab-top__title b { font-family: var(--font-display); font-weight: 800; font-size: 14px; }
.lab-top__title span { font-size: 11.5px; color: var(--text-soft); }
.lab-top__spacer { flex: 1; }
.lab-stamp {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 11px; color: var(--text-2);
  background: var(--soft); border: 1px solid var(--line); padding: 5px 11px; border-radius: var(--r-pill);
}
.live-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--mint);
  box-shadow: 0 0 0 0 rgba(4,190,140,.55); animation: lab-pulse 2s infinite;
}
@keyframes lab-pulse {
  0% { box-shadow: 0 0 0 0 rgba(4,190,140,.5); }
  70% { box-shadow: 0 0 0 7px rgba(4,190,140,0); }
  100% { box-shadow: 0 0 0 0 rgba(4,190,140,0); }
}
.lang-pill {
  display: inline-flex; border: 1px solid var(--line); border-radius: var(--r-pill);
  overflow: hidden; font-family: var(--font-mono); font-size: 11px; font-weight: 600;
}
.lang-pill button { padding: 6px 11px; color: var(--text-soft); transition: background .15s, color .15s; }
.lang-pill button.is-active { background: var(--ink); color: #fff; }
.lab-top__guide {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13px; font-weight: 600; padding: 8px 13px; border-radius: var(--r-pill);
  background: var(--ink); color: #fff;
  transition: transform .15s, box-shadow .15s, background .15s;
}
.lab-top__guide:hover { background: #000; transform: translateY(-1px); box-shadow: var(--shadow); }
.lab-top__guide .live-dot { background: #fff; }
.lab-top__back {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--text-2);
  padding: 7px 13px; border-radius: var(--r-pill); border: 1px solid var(--line);
  transition: transform .15s, color .15s;
}
.lab-top__back:hover { color: var(--text-1); transform: translateX(-2px); }
.lab-top__avatar {
  width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center;
  font-weight: 700; font-size: 13px; color: #fff;
  background: linear-gradient(135deg, var(--mint-600), var(--mint-700));
}

/* ============================== Layout ============================== */
.lab-wrap { flex: 1; width: 100%; max-width: 1180px; margin: 0 auto; padding: 28px 24px 64px; }
.lab-stage { flex: 1; display: grid; gap: 18px; }

/* section heading (kept minimal — explanations go in the tour) */
.lab-eyebrow {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase; color: var(--mint-ink);
  background: var(--mint-tint); padding: 5px 11px; border-radius: var(--r-pill);
}

/* ============================== Cards / bento ============================== */
.lab-grid { display: grid; gap: 16px; }
.lab-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.lab-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.lab-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.pc {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 18px; box-shadow: var(--shadow-sm);
  animation: lab-up .5s cubic-bezier(.2,.7,.2,1) backwards;
}
.pc:hover { box-shadow: var(--shadow); }
.pc-mint {
  background: linear-gradient(135deg, #0fbe8c 0%, #04a87b 100%);
  color: #0E1410; border-color: transparent; box-shadow: var(--shadow-mint);
}
@keyframes lab-up { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }

.pc-h { display: flex; align-items: center; gap: 11px; margin-bottom: 12px; }
.ico-pill {
  width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
  font-size: 19px; background: var(--mint-tint); flex-shrink: 0;
}
.ico-pill.warn { background: var(--warn-soft); } .ico-pill.danger { background: var(--danger-soft); }
.ico-pill.info { background: var(--info-soft); } .ico-pill.ok { background: var(--ok-soft); }
.pc-h b { font-family: var(--font-display); font-weight: 800; font-size: 15.5px; letter-spacing: -.01em; }
.pc-h .pc-sub { font-size: 11.5px; color: var(--text-soft); }

/* KPI / stat blocks */
.kpi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border-radius: var(--r-md); overflow: hidden; }
.kpi { background: var(--surface); padding: 14px; }
.kpi .lab { font-size: 10.5px; letter-spacing: .04em; text-transform: uppercase; color: var(--text-soft); }
.kpi b { display: block; font-family: var(--font-display); font-weight: 800; font-size: 22px; letter-spacing: -.01em; margin-top: 3px; }
.delta { font-family: var(--font-mono); font-size: 11px; font-weight: 600; }
.delta.up { color: var(--ok); } .delta.down { color: var(--danger); }

/* bar list */
.bars { display: flex; flex-direction: column; gap: 10px; }
.bar-row { display: grid; grid-template-columns: 120px 1fr 46px; align-items: center; gap: 10px; font-size: 12.5px; }
.bar-track { height: 9px; background: var(--soft); border-radius: var(--r-pill); overflow: hidden; }
.bar-fill { height: 100%; width: 0; background: linear-gradient(90deg, var(--mint-600), var(--mint)); border-radius: var(--r-pill); transition: width 1s cubic-bezier(.2,.7,.2,1); }
.bar-val { font-family: var(--font-mono); font-size: 12px; text-align: right; color: var(--text-2); }

/* table */
.lab-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-md); }
.lab-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.lab-table thead { background: #036b4d; }
.lab-table th { color: #fff; font-weight: 700; text-align: left; padding: 9px 12px; white-space: nowrap; }
.lab-table td { padding: 9px 12px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.lab-table tbody tr:last-child td { border-bottom: 0; }
.lab-table tbody tr:hover { background: var(--mint-tint-2); }

/* chips / pills / badges */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-size: 13px; font-weight: 500; color: var(--text-2); background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--r-pill); padding: 8px 14px;
  transition: transform .15s, border-color .15s, color .15s, box-shadow .15s;
}
.chip:hover { transform: translateY(-1px); border-color: var(--mint); color: var(--mint-ink); box-shadow: 0 4px 12px rgba(4,190,140,.12); }
.badge {
  display: inline-flex; align-items: center; gap: 5px; font-family: var(--font-mono);
  font-size: 10px; font-weight: 600; letter-spacing: .04em; padding: 3px 8px; border-radius: 6px;
}
.badge.ok { color: var(--ok); background: var(--ok-soft); }
.badge.warn { color: var(--warn); background: var(--warn-soft); }
.badge.danger { color: var(--danger); background: var(--danger-soft); }
.badge.info { color: var(--info); background: var(--info-soft); }
.badge.mint { color: var(--mint-ink); background: var(--mint-tint); }

/* buttons */
.lab-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 14px; font-weight: 600; padding: 11px 20px; border-radius: var(--r-pill);
  transition: transform .15s, box-shadow .15s, background .15s, border-color .15s;
}
.lab-btn--primary { background: var(--mint); color: #fff; }
.lab-btn--primary:hover { background: var(--mint-hover); transform: translateY(-1px); box-shadow: var(--shadow-mint); }
.lab-btn--dark { background: var(--ink); color: #fff; }
.lab-btn--dark:hover { background: #000; transform: translateY(-1px); }
.lab-btn--ghost { border: 1px solid var(--line); color: var(--text-1); }
.lab-btn--ghost:hover { border-color: var(--mint); color: var(--mint-ink); }
.lab-btn:disabled { opacity: .5; pointer-events: none; }

/* range/slider */
.lab-range { width: 100%; accent-color: var(--mint); height: 4px; }

/* empty state */
.lab-empty { text-align: center; color: var(--text-soft); padding: 40px 20px; font-family: var(--font-mono); font-size: 12.5px; }

/* skeleton shimmer for "AI thinking" */
.shimmer { position: relative; overflow: hidden; background: var(--soft); border-radius: 6px; }
.shimmer::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.7), transparent);
  transform: translateX(-100%); animation: lab-shimmer 1.3s infinite;
}
@keyframes lab-shimmer { to { transform: translateX(100%); } }

/* typing cursor */
.type-caret::after {
  content: ''; display: inline-block; width: 6px; height: 1em; margin-left: 2px;
  vertical-align: -2px; background: var(--mint); border-radius: 1px;
  animation: lab-caret .9s steps(2) infinite;
}
@keyframes lab-caret { 50% { opacity: 0; } }

/* ============================== Guided tour ============================== */
.tour-ring {
  position: fixed; z-index: 9998; border-radius: 14px; border: 2px solid var(--mint);
  box-shadow: 0 0 0 9999px rgba(8,14,11,.60); pointer-events: none;
  transition: top .35s cubic-bezier(.2,.7,.2,1), left .35s cubic-bezier(.2,.7,.2,1),
              width .35s cubic-bezier(.2,.7,.2,1), height .35s cubic-bezier(.2,.7,.2,1);
}
.tour-ring[hidden] { display: none; }
.tour-pop {
  position: fixed; z-index: 9999; width: min(340px, calc(100vw - 32px));
  background: #fff; border-radius: 16px; padding: 18px 18px 14px;
  box-shadow: 0 8px 32px rgba(0,0,0,.12), 0 40px 80px rgba(0,0,0,.22);
  animation: tour-pop-in .3s cubic-bezier(.2,.7,.2,1);
}
.tour-pop[hidden] { display: none; }
@keyframes tour-pop-in { from { opacity: 0; transform: translateY(8px) scale(.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
.tour-pop__step { font-family: var(--font-mono); font-size: 10.5px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--mint-ink); }
.tour-pop__title { font-family: var(--font-display); font-weight: 800; font-size: 17px; letter-spacing: -.01em; margin: 4px 0 8px; }
.tour-pop__row { display: flex; gap: 9px; font-size: 13px; line-height: 1.5; margin-bottom: 7px; }
.tour-pop__row svg { width: 15px; height: 15px; flex-shrink: 0; margin-top: 2px; stroke-width: 2.2; fill: none; }
.tour-pop__row.why svg { stroke: var(--mint-700); } .tour-pop__row.how svg { stroke: var(--text-soft); }
.tour-pop__row b { color: var(--text-1); } .tour-pop__row span { color: var(--text-dim); }
.tour-pop__foot { display: flex; align-items: center; gap: 8px; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line-soft); }
.tour-dots { display: flex; gap: 5px; margin-right: auto; }
.tour-dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--line); transition: background .2s, transform .2s; }
.tour-dots i.is-on { background: var(--mint); transform: scale(1.3); }
.tour-btn { font-size: 13px; font-weight: 600; padding: 7px 14px; border-radius: var(--r-pill); transition: background .15s, transform .15s, color .15s; }
.tour-btn--ghost { color: var(--text-soft); } .tour-btn--ghost:hover { color: var(--text-1); }
.tour-btn--next { background: var(--mint); color: #fff; } .tour-btn--next:hover { background: var(--mint-hover); transform: translateY(-1px); }

/* ============================== Responsive ============================== */
@media (max-width: 900px) {
  .lab-grid.cols-3, .lab-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .lab-top__title { display: none; }
}
@media (max-width: 600px) {
  .lab-grid.cols-2, .lab-grid.cols-3, .lab-grid.cols-4 { grid-template-columns: 1fr; }
  .lab-top { padding: 10px 14px; gap: 9px; }
  .lab-stamp, .lab-top__back span, .lab-top__guide span:not(.live-dot) { display: none; }
  .lab-top__guide { padding: 8px 11px; }
  .lab-wrap { padding: 22px 16px 48px; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}