/* =========================================================================
   AMB HK · Registration Dashboard
   Design tokens follow a validated light-mode palette:
   surfaces #f9f9f7/#fcfcfb, ink #0b0b0b/#52514e/#898781, accent blue,
   reserved status colors (good/warn/serious/critical) always shown
   with an icon or label — never color alone.
   ========================================================================= */

:root {
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --ink-3: #898781;
  --hairline: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);

  /* AMB HK brand colors (from the company logo) */
  --accent: #1c3ea8;          /* brand navy — buttons / links */
  --accent-strong: #162f80;
  --accent-soft: rgba(28, 62, 168, 0.09);
  --accent-raw: #1c3ea8;
  --brand-cyan: #2ea9de;

  --good: #0ca30c;
  --good-text: #006300;
  --good-soft: rgba(12, 163, 12, 0.10);
  --warn: #fab219;
  --warn-soft: rgba(250, 178, 25, 0.16);
  --serious: #ec835a;
  --serious-soft: rgba(236, 131, 90, 0.16);
  --crit: #d03b3b;
  --crit-soft: rgba(208, 59, 59, 0.10);

  --radius: 10px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(11, 11, 11, 0.04), 0 4px 14px rgba(11, 11, 11, 0.04);
}

* { box-sizing: border-box; }

/* The hidden attribute must always win, even over display:grid/flex classes */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--page);
  color: var(--ink);
  font: 400 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1 { font-size: 22px; font-weight: 650; margin: 0 0 4px; letter-spacing: -0.01em; }
h2 { font-size: 15.5px; font-weight: 650; margin: 0; }
h3 { font-size: 13.5px; font-weight: 650; margin: 0 0 8px; }

.mono { font-variant-numeric: tabular-nums; font-family: ui-monospace, "SF Mono", Consolas, monospace; font-size: 13px; }
.strong { font-weight: 600; color: var(--ink); }
.num { text-align: right; }

/* ---------------- top bar ---------------- */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--hairline);
  position: sticky; top: 0; z-index: 30;
}
.topbar-inner {
  max-width: 1280px; margin: 0 auto; padding: 10px 20px;
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 11px; color: var(--ink); font-weight: 650; }
.brand:hover { text-decoration: none; }
.brand-logo { width: 34px; height: 34px; display: block; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-co {
  font-size: 11px; font-weight: 750; color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.09em;
}
.brand-app { font-size: 15px; font-weight: 650; }
.mainnav { display: flex; gap: 4px; flex: 1; }
.mainnav a {
  color: var(--ink-2); padding: 7px 12px; border-radius: 8px; font-weight: 550; font-size: 14px;
}
.mainnav a:hover { background: var(--accent-soft); text-decoration: none; color: var(--ink); }
.mainnav a.active { background: var(--accent-soft); color: var(--accent-strong); }
.nav-badge {
  display: inline-block; min-width: 19px; text-align: center; padding: 1px 6px;
  background: var(--accent); color: #fff; border-radius: 999px; font-size: 11.5px; font-weight: 650;
}
.topbar-right { display: flex; align-items: center; gap: 14px; }
.userchip { color: var(--ink-2); font-size: 13.5px; font-weight: 550; }
.inline-form { display: inline; }
.linklike {
  background: none; border: 0; color: var(--accent); cursor: pointer;
  font: inherit; font-size: 13.5px; padding: 0;
}
.linklike:hover { text-decoration: underline; }

/* ---------------- layout ---------------- */
.container { max-width: 1280px; margin: 0 auto; padding: 26px 20px 40px; }
.foot {
  max-width: 1280px; margin: 0 auto; padding: 18px 20px 30px;
  color: var(--ink-3); font-size: 12.5px;
}
.page-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px; margin-bottom: 20px; flex-wrap: wrap;
}
.page-head .sub { color: var(--ink-2); margin: 2px 0 0; font-size: 14px; }
.head-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.crumbs { font-size: 12.5px; color: var(--ink-3); margin-bottom: 6px; }
.crumbs a { color: var(--ink-3); }

/* ---------------- cards ---------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.form-card { padding: 22px; max-width: 860px; }
.card-title { margin-bottom: 14px; }
.card-muted { opacity: 0.72; }

/* ---------------- KPI tiles ---------------- */
.tiles {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(168px, 1fr));
  gap: 12px; margin-bottom: 16px;
}
.tile {
  background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius);
  padding: 14px 16px 12px; display: flex; flex-direction: column; gap: 2px;
  color: var(--ink); box-shadow: var(--shadow);
}
.tile:hover { text-decoration: none; border-color: var(--baseline); }
.tile-active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset, var(--shadow); }
.tile-value { font-size: 30px; font-weight: 650; letter-spacing: -0.01em; }
.tile-label {
  display: flex; align-items: center; gap: 7px;
  color: var(--ink-2); font-size: 12px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex: none; }
.dot-accent { background: var(--brand-cyan); }
.dot-neutral { background: var(--baseline); }
.dot-good { background: var(--good); }
.dot-crit { background: var(--crit); }

/* ---------------- filter bar ---------------- */
.filterbar {
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 14px;
}
.filterbar select, .filterbar input {
  padding: 8px 10px; border: 1px solid var(--baseline); border-radius: var(--radius-sm);
  background: var(--surface); font: inherit; font-size: 13.5px; color: var(--ink);
}
.filter-q { flex: 1 1 260px; min-width: 220px; }
.filter-clear { font-size: 13px; color: var(--ink-2); margin-left: 2px; }

/* ---------------- tables ---------------- */
.table-card { overflow: hidden; }
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.data th {
  text-align: left; font-size: 11px; font-weight: 650; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--ink-3); padding: 11px 14px;
  border-bottom: 1px solid var(--hairline); white-space: nowrap; background: var(--surface);
}
table.data th.num { text-align: right; }
table.data td {
  padding: 11px 14px; border-bottom: 1px solid var(--hairline); vertical-align: top;
  color: var(--ink);
}
table.data tbody tr:last-child td { border-bottom: 0; }
table.data tbody tr:hover { background: rgba(11, 11, 11, 0.02); }
.cell-sub { color: var(--ink-3); font-size: 12.5px; font-weight: 400; }
.detail-cell { max-width: 260px; }
.empty { padding: 42px 20px; text-align: center; color: var(--ink-3); font-size: 14px; }

/* ---------------- badges, chips ---------------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: 999px; white-space: nowrap;
  background: #f1f0ec; border: 1px solid var(--border);
  color: var(--ink); font-size: 12.5px; font-weight: 600;
}
.badge-lg { font-size: 13.5px; padding: 5px 13px; }
.badge-good { background: var(--good-soft); border-color: rgba(12, 163, 12, 0.25); color: var(--good-text); }
.badge-warn { background: var(--warn-soft); border-color: rgba(163, 118, 6, 0.25); color: #6b4d00; }
.badge-crit { background: var(--crit-soft); border-color: rgba(208, 59, 59, 0.25); color: #8f1f1f; }

.stage-SCHEDULE { background: var(--accent-soft); border-color: rgba(28, 62, 168, 0.25); color: var(--accent-strong); }
.stage-COMPLETED { background: var(--good-soft); border-color: rgba(12, 163, 12, 0.25); color: var(--good-text); }
.stage-REJECTED { background: var(--crit-soft); border-color: rgba(208, 59, 59, 0.25); color: #8f1f1f; }

.chip {
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px;
  border-radius: 999px; font-size: 12.5px; font-weight: 600;
  font-variant-numeric: tabular-nums;
  background: #f1f0ec; border: 1px solid var(--border); color: var(--ink-2);
}
.chip-warn { background: var(--warn-soft); border-color: rgba(163, 118, 6, 0.3); color: #6b4d00; }
.chip-serious { background: var(--serious-soft); border-color: rgba(190, 80, 40, 0.3); color: #93330f; }
.chip-ic { font-weight: 800; }

/* ---------------- banners ---------------- */
.banner {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 12px 16px; border-radius: var(--radius); margin-bottom: 18px;
  border: 1px solid var(--border); font-size: 14px; flex-wrap: wrap;
}
.banner-info { background: var(--accent-soft); border-color: rgba(28, 62, 168, 0.22); }
.banner-good { background: var(--good-soft); border-color: rgba(12, 163, 12, 0.22); color: var(--good-text); }
.banner-crit { background: var(--crit-soft); border-color: rgba(208, 59, 59, 0.25); color: #7c1d1d; }
.banner-days { color: var(--ink-2); font-size: 13px; margin-left: 12px; }

/* ---------------- stepper ---------------- */
.stepper {
  list-style: none; display: flex; gap: 4px; padding: 0; margin: 0 0 20px;
  flex-wrap: wrap; align-items: center;
}
.stepper li { display: flex; align-items: center; gap: 7px; }
.stepper li:not(:last-child)::after {
  content: "›"; color: var(--baseline); margin: 0 6px; font-size: 15px;
}
.step-pill {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; border-radius: 50%;
  font-size: 12px; font-weight: 700; flex: none;
  background: #efeee9; color: var(--ink-3); border: 1px solid var(--hairline);
}
.step-label { font-size: 12.5px; color: var(--ink-3); font-weight: 550; white-space: nowrap; }
.step-done .step-pill { background: var(--accent-soft); color: var(--accent-strong); border-color: rgba(28, 62, 168, 0.3); }
.step-done .step-label { color: var(--ink-2); }
.step-current .step-pill { background: var(--accent); color: #fff; border-color: var(--accent); }
.step-current .step-label { color: var(--ink); font-weight: 650; }
.step-rejected .step-pill { background: var(--crit); color: #fff; border-color: var(--crit); }
.step-rejected .step-label { color: #8f1f1f; font-weight: 650; }

/* ---------------- detail grid & step cards ---------------- */
.detail-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
  gap: 14px; align-items: start;
}
.step-card { padding: 18px 20px 20px; }
.step-card-wide { grid-column: 1 / -1; }
.step-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 10px;
  margin-bottom: 12px; flex-wrap: wrap;
}
.step-meta { color: var(--ink-3); font-size: 12.5px; }
.waiting-note { color: var(--ink-2); font-size: 13.5px; margin: 4px 0 0; }
.remarks-quote { color: var(--ink-2); font-size: 13.5px; font-style: italic; margin: 6px 0 0; }
.approval-block { padding: 2px 0; }
.rule { border: 0; border-top: 1px solid var(--hairline); margin: 14px 0; }

dl.kv {
  display: grid; grid-template-columns: 150px 1fr; row-gap: 7px; column-gap: 14px;
  margin: 0; font-size: 13.5px;
}
dl.kv dt { color: var(--ink-3); }
dl.kv dd { margin: 0; color: var(--ink); }
dl.kv-wide { grid-template-columns: 190px 1fr; }

/* ---------------- forms ---------------- */
.field { margin-bottom: 13px; }
.field label { display: block; font-size: 12.5px; font-weight: 650; color: var(--ink-2); margin-bottom: 5px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 8px 10px; font: inherit; font-size: 14px; color: var(--ink);
  border: 1px solid var(--baseline); border-radius: var(--radius-sm); background: #fff;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--accent-soft); border-color: var(--accent);
}
.req { color: var(--crit); }
.hint { color: var(--ink-3); font-size: 12px; margin: 5px 0 0; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); column-gap: 14px; }
.form-grid-3 { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.field-wide, .field-wide2 { grid-column: 1 / -1; }
.form-actions { display: flex; gap: 10px; margin-top: 6px; }
.checks { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.check { display: inline-flex; align-items: center; gap: 7px; font-size: 13.5px; color: var(--ink); font-weight: 450; }
.check input { width: auto; }

/* ---------------- buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 9px 16px; border-radius: var(--radius-sm); cursor: pointer;
  font: 600 14px/1 inherit; font-family: inherit; border: 1px solid transparent;
  transition: background 0.12s ease;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-strong); }
.btn-secondary { background: var(--surface); color: var(--ink); border-color: var(--baseline); }
.btn-secondary:hover { background: #f1f0ec; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-block { width: 100%; }

/* ---------------- flashes ---------------- */
.flashes { margin-bottom: 16px; display: flex; flex-direction: column; gap: 8px; }
.flash {
  padding: 10px 14px; border-radius: var(--radius-sm); font-size: 13.5px;
  border: 1px solid var(--border); background: var(--surface);
}
.flash-success { background: var(--good-soft); color: var(--good-text); border-color: rgba(12, 163, 12, 0.25); }
.flash-info { background: var(--accent-soft); color: var(--accent-strong); border-color: rgba(28, 62, 168, 0.25); }
.flash-warning { background: var(--warn-soft); color: #6b4d00; border-color: rgba(163, 118, 6, 0.3); }
.flash-danger { background: var(--crit-soft); color: #8f1f1f; border-color: rgba(208, 59, 59, 0.3); }

/* ---------------- auth ---------------- */
.auth-wrap { display: flex; justify-content: center; padding: 7vh 0 0; }
.auth-card {
  background: var(--surface); border: 1px solid var(--hairline); border-radius: 14px;
  box-shadow: var(--shadow); padding: 34px 34px 26px; width: 400px; max-width: 94vw;
}
.auth-brand { margin-bottom: 14px; display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.auth-brand .brand-logo { width: 64px; height: 64px; }
.auth-co {
  font-size: 12px; font-weight: 750; color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.09em;
}
.auth-card h1 { font-size: 20px; }
.auth-sub { color: var(--ink-2); font-size: 13.5px; margin: 2px 0 18px; }
.auth-foot { color: var(--ink-3); font-size: 12.5px; margin-top: 16px; }

/* ---------------- audit / misc ---------------- */
.audit { margin-top: 22px; }
.audit summary {
  cursor: pointer; font-weight: 650; font-size: 14px; color: var(--ink-2);
  margin-bottom: 10px; user-select: none;
}
.error-wrap { text-align: center; padding: 80px 0; }
.error-code { font-size: 56px; font-weight: 750; color: var(--baseline); }
.error-msg { color: var(--ink-2); margin: 8px 0 22px; }

@media (max-width: 720px) {
  .detail-grid { grid-template-columns: 1fr; }
  dl.kv { grid-template-columns: 130px 1fr; }
  .topbar-inner { gap: 10px; }
  .brand-text { display: none; }
}