/* ============================================================
   DESIGN TOKENS — ported from the redesign mockup
   ============================================================ */
:root {
  /* palette — light */
  --bg:            oklch(98% 0.003 250);
  --surface:       oklch(100% 0 0);
  --surface-alt:   oklch(96% 0.005 250);
  --surface-hover: oklch(93.5% 0.008 250);
  --border:        oklch(90% 0.006 250);
  --text:          oklch(22% 0.01 250);
  --text-secondary:oklch(45% 0.01 250);
  --text-tertiary: oklch(58% 0.01 250);
  --accent:        oklch(52% 0.16 264);
  --accent-on:     #ffffff;
  --accent-soft:   oklch(94% 0.03 264);
  --success:       oklch(45% 0.14 155);
  --success-soft:  oklch(93% 0.06 155);
  --warning:       oklch(50% 0.15 70);
  --warning-soft:  oklch(93% 0.08 70);
  --danger:        oklch(50% 0.18 25);
  --danger-soft:   oklch(93% 0.07 25);
  --toggle-track:  oklch(90% 0.006 250);
  --toggle-thumb:  #ffffff;
  --shadow-toast:  0 10px 30px rgba(0,0,0,0.3);
  --shadow-drawer: -8px 0 40px rgba(0,0,0,0.18);

  /* typography */
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --fs-display: 30px;   --fw-display: 800;
  --fs-h1: 19px;        --fw-h1: 800;
  --fs-h2: 15px;        --fw-h2: 700;
  --fs-body: 13px;
  --fs-small: 12px;
  --fs-micro: 11px;     --fw-bold: 700;
  --lh-body: 1.5;

  /* spacing rhythm (4px base) */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 20px; --sp-6: 24px; --sp-7: 32px; --sp-8: 40px;

  /* radii */
  --r-sm: 6px; --r-md: 8px; --r-lg: 10px; --r-xl: 14px; --r-pill: 20px;
}

/* palette — dark (manual toggle) */
[data-theme="dark"] {
  --bg:            oklch(17% 0.006 250);
  --surface:       oklch(21% 0.008 250);
  --surface-alt:   oklch(25% 0.009 250);
  --surface-hover: oklch(29% 0.01 250);
  --border:        oklch(31% 0.012 250);
  --text:          oklch(94% 0.004 250);
  --text-secondary:oklch(74% 0.01 250);
  --text-tertiary: oklch(58% 0.01 250);
  --accent:        oklch(72% 0.14 264);
  --accent-on:     oklch(18% 0.02 264);
  --accent-soft:   oklch(30% 0.05 264);
  --success:       oklch(72% 0.15 155);
  --success-soft:  oklch(30% 0.07 155);
  --warning:       oklch(76% 0.15 70);
  --warning-soft:  oklch(32% 0.08 70);
  --danger:        oklch(72% 0.17 25);
  --danger-soft:   oklch(32% 0.08 25);
  --toggle-track:  oklch(38% 0.02 264);
  --toggle-thumb:  oklch(85% 0.02 264);
}
/* palette — dark (system preference, when the user hasn't forced light) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:            oklch(17% 0.006 250);
    --surface:       oklch(21% 0.008 250);
    --surface-alt:   oklch(25% 0.009 250);
    --surface-hover: oklch(29% 0.01 250);
    --border:        oklch(31% 0.012 250);
    --text:          oklch(94% 0.004 250);
    --text-secondary:oklch(74% 0.01 250);
    --text-tertiary: oklch(58% 0.01 250);
    --accent:        oklch(72% 0.14 264);
    --accent-on:     oklch(18% 0.02 264);
    --accent-soft:   oklch(30% 0.05 264);
    --success:       oklch(72% 0.15 155);
    --success-soft:  oklch(30% 0.07 155);
    --warning:       oklch(76% 0.15 70);
    --warning-soft:  oklch(32% 0.08 70);
    --danger:        oklch(72% 0.17 25);
    --danger-soft:   oklch(32% 0.08 25);
    --toggle-track:  oklch(38% 0.02 264);
    --toggle-thumb:  oklch(85% 0.02 264);
  }
}

/* Arabic source rendering — self-hosted Noto Naskh Arabic (SIL OFL) */
@font-face {
  font-family: "Noto Naskh Arabic";
  font-style: normal; font-weight: 400; font-display: swap;
  src: url("fonts/noto-naskh-arabic-400.woff2") format("woff2");
}
@font-face {
  font-family: "Noto Naskh Arabic";
  font-style: normal; font-weight: 700; font-display: swap;
  src: url("fonts/noto-naskh-arabic-700.woff2") format("woff2");
}

/* ============================================================
   BASE
   ============================================================ */
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--font-sans); font-size: var(--fs-body); line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  transition: background .2s, color .2s;
}
@keyframes shimmer { 0% { opacity: .45; } 50% { opacity: .9; } 100% { opacity: .45; } }
@keyframes grow-x { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes toast-in { from { transform: translate(-50%, 12px); opacity: 0; } to { transform: translate(-50%, 0); opacity: 1; } }
@keyframes fade-up { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* Respect users who prefer less motion — collapse every animation/transition. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}
.hidden { display: none !important; }
.center { text-align: center; padding: 24px; color: var(--text-tertiary); }
.muted { font-size: var(--fs-small); color: var(--text-tertiary); }
.spacer { flex: 1; }
.hint { color: var(--text-tertiary); font-size: var(--fs-small); }
kbd {
  background: var(--surface-alt); border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: 2px 6px; font-family: inherit; font-weight: var(--fw-bold);
}
a { color: var(--accent); }

/* header */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--sp-4) var(--sp-7); background: var(--surface);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 30;
}
.brand { display: flex; align-items: baseline; gap: var(--sp-3); }
.brand h1 { margin: 0; font-size: var(--fs-h1); font-weight: var(--fw-h1); letter-spacing: -0.01em; }
.subtitle { font-size: var(--fs-body); color: var(--text-tertiary); }
.theme-wrap { display: flex; align-items: center; gap: var(--sp-3); }
.theme-label { font-size: var(--fs-small); color: var(--text-tertiary); }
.toggle {
  width: 44px; height: 24px; border-radius: 12px; background: var(--toggle-track);
  position: relative; cursor: pointer; border: 1px solid var(--border);
}
.toggle .thumb {
  position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--toggle-thumb); transition: left .18s ease; box-shadow: 0 1px 2px rgba(0,0,0,0.25);
}
[data-theme="dark"] .toggle .thumb { left: 22px; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .toggle .thumb { left: 22px; } }

main { max-width: 1400px; margin: 0 auto; padding: 28px var(--sp-7) 64px; display: flex; flex-direction: column; gap: var(--sp-7); }

/* cards / panels */
.card, .panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-xl); }
.card.pad, .panel { padding: var(--sp-5) var(--sp-6); }
.panel-head { display: flex; align-items: baseline; gap: var(--sp-3); flex-wrap: wrap; margin-bottom: var(--sp-3); }
.panel-head h2 { margin: 0; font-size: var(--fs-h2); font-weight: var(--fw-h2); }
.chart-title { font-size: var(--fs-h2); font-weight: var(--fw-h2); }
.chart-sub { font-size: 11.5px; color: var(--text-tertiary); margin-top: 2px; }

/* KPI tiles */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-4); }
.kpi { padding: 18px var(--sp-5); display: flex; flex-direction: column; gap: var(--sp-2); }
.kpi .label { font-size: var(--fs-micro); font-weight: var(--fw-bold); letter-spacing: .06em; text-transform: uppercase; color: var(--text-tertiary); }
.kpi .value { font-size: var(--fs-display); font-weight: var(--fw-display); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }

/* data quality */
.quality-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-4); margin-top: var(--sp-4); }
.meter { display: flex; flex-direction: column; gap: 6px; }
.meter-top { display: flex; align-items: baseline; justify-content: space-between; gap: var(--sp-2); }
.meter-label { font-size: var(--fs-small); color: var(--text-secondary); }
.meter-pct { font-size: 18px; font-weight: var(--fw-display); font-variant-numeric: tabular-nums; }
.meter-track { height: 7px; border-radius: 5px; background: var(--surface-alt); overflow: hidden; }
.meter-fill { height: 100%; border-radius: 5px; transform-origin: left center; animation: grow-x .7s cubic-bezier(.16,1,.3,1) both; }
.meter-sub { font-size: var(--fs-micro); }
.tone-ok { color: var(--success); } .meter-fill.tone-ok { background: var(--success); }
.tone-warn { color: var(--warning); } .meter-fill.tone-warn { background: var(--warning); }
.tone-bad { color: var(--danger); } .meter-fill.tone-bad { background: var(--danger); }
.q-anomaly { margin-top: var(--sp-5); border-top: 1px solid var(--border); padding-top: var(--sp-4); }
.q-anomaly-head { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; margin-bottom: var(--sp-3); }
.quality-list { display: flex; flex-direction: column; gap: 4px; }
.q-item { display: grid; grid-template-columns: 110px 1fr auto; align-items: center; gap: var(--sp-3); padding: 6px var(--sp-3); border: 1px solid var(--border); border-radius: var(--r-md); cursor: pointer; }
.q-item:hover { background: var(--surface-hover); border-color: var(--accent); }
.q-when { font-family: var(--font-mono); font-size: var(--fs-small); color: var(--text-secondary); }
.q-co { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.q-go { color: var(--accent); font-size: var(--fs-small); }

/* city chart */
.citybar { display: flex; align-items: center; gap: var(--sp-2); cursor: pointer; border-radius: var(--r-sm); padding: 3px 4px; }
.citybar:hover { background: var(--surface-hover); }
.citybar.active { background: var(--accent-soft); }
.citybar .clabel { width: 96px; font-size: var(--fs-small); color: var(--text-secondary); flex: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.citybar .ctrack { flex: 1; height: 9px; border-radius: 5px; background: var(--surface-alt); overflow: hidden; }
.citybar .cfill { height: 100%; border-radius: 5px; background: var(--accent); transform-origin: left center; animation: grow-x .7s cubic-bezier(.16,1,.3,1) both; }
.citybar .ccount { width: 40px; text-align: right; font-size: var(--fs-small); font-variant-numeric: tabular-nums; color: var(--text-secondary); flex: none; }

/* buttons */
button { font: inherit; cursor: pointer; }
.btn, button.primary, button.danger, #upload-btn, #prev-btn, #next-btn,
.doc-process, .dup-merge, .dup-keep, #stop-btn, #reset-btn, #drawer-close {
  padding: 7px var(--sp-4); font-size: var(--fs-body); font-weight: 600; border-radius: var(--r-md);
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  display: inline-flex; align-items: center; gap: var(--sp-2);
}
.btn.primary, button.primary, #upload-btn, .doc-process.primary, .dup-merge {
  border: none; background: var(--accent); color: var(--accent-on);
}
.btn.pager, #prev-btn, #next-btn { padding: 5px var(--sp-3); font-size: 12.5px; font-weight: 400; background: var(--bg); }
button.danger, #stop-btn { color: var(--danger); border-color: var(--danger-soft); background: var(--surface); }
button.danger:hover:not(:disabled) { background: var(--danger-soft); }
.btn, button.primary, button.danger, #upload-btn, #prev-btn, #next-btn,
.doc-process, .dup-merge, .dup-keep, #stop-btn, #reset-btn, #drawer-close, .tab {
  transition: border-color .12s ease, background .12s ease, color .12s ease, transform .06s ease;
}
.btn:active:not(:disabled), .tab:active, button.primary:active:not(:disabled) { transform: translateY(1px); }
.btn:hover:not(:disabled), .doc-process:hover:not(:disabled),
.dup-keep:hover:not(:disabled), #prev-btn:hover:not(:disabled), #next-btn:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: .45; cursor: default; }

/* tabs */
.tabs { display: flex; gap: var(--sp-2); flex-wrap: wrap; margin-bottom: 14px; }
.tab { padding: 6px 14px; border-radius: var(--r-pill); border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer; font-size: var(--fs-body); font-weight: 600; }
.tab .count { opacity: .65; font-weight: 500; margin-left: 5px; }
.tab.active { background: var(--accent); color: var(--accent-on); border-color: var(--accent); }

/* toolbar */
.toolbar { display: flex; align-items: center; gap: var(--sp-3); margin-bottom: var(--sp-3); flex-wrap: wrap; }
#search-input, input[type="search"] { padding: 7px 11px; border: 1px solid var(--border); border-radius: 7px; width: 260px; background: var(--bg); color: var(--text); font: inherit; }
#search-input:focus { outline: none; border-color: var(--accent); }
.chip { display: inline-flex; align-items: center; gap: 5px; font-size: var(--fs-small); padding: 3px 9px; border-radius: var(--r-pill); background: var(--accent-soft); color: var(--accent); font-weight: 600; }

/* table */
.table-wrap { border: 1px solid var(--border); border-radius: var(--r-lg); overflow: auto; max-height: 62vh; }
table { border-collapse: collapse; width: 100%; font-size: var(--fs-body); }
thead th {
  position: sticky; top: 0; background: var(--surface-alt); text-align: left;
  padding: 9px var(--sp-3); font-size: 11.5px; font-weight: var(--fw-bold);
  text-transform: uppercase; letter-spacing: .03em; color: var(--text-secondary);
  border-bottom: 1px solid var(--border); white-space: nowrap; z-index: 2;
}
th.col-capital, th.col-pages_total { text-align: right; }
tbody td { padding: 8px var(--sp-3); border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:nth-child(even) { background: var(--surface-alt); }
tbody tr { transition: background .12s ease; }
tbody tr:hover { background: var(--surface-hover); }
tr.row-link { cursor: pointer; }
td.col-rc, td.col-ice, td.col-cin_id, td.col-date, td.col-capital, td.col-pages_total { font-family: var(--font-mono); font-size: var(--fs-small); color: var(--text-secondary); white-space: nowrap; }
td.col-capital, td.col-pages_total { text-align: right; font-variant-numeric: tabular-nums; }
td.col-name, td.col-company_name, td.col-file_name { font-weight: 600; }
.cell-clip { display: inline-block; max-width: 240px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; vertical-align: bottom; cursor: help; }
.empty { display: inline-block; color: var(--text-tertiary); }

/* jsonb / structured cell rendering */
td .chip { margin: 1px 2px 1px 0; background: var(--surface-alt); color: var(--text-secondary); }
.json { font-family: var(--font-mono); font-size: var(--fs-micro); white-space: pre-wrap; color: var(--text-secondary); }
.kv { display: flex; flex-direction: column; gap: 3px; }
.kv-row { display: flex; gap: var(--sp-2); font-size: var(--fs-small); }
.kv-key { color: var(--text-tertiary); min-width: 120px; flex: none; }
.kv-val { color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kv-val.expanded { white-space: normal; }

/* category / status badges */
.badge { padding: 2px 9px; border-radius: 12px; font-size: 11.5px; font-weight: 600; text-transform: capitalize; }
.col-category .badge, .badge.cat { background: var(--accent-soft); color: var(--accent); }
.badge.running { background: var(--warning-soft); color: var(--warning); }
.badge.success { background: var(--success-soft); color: var(--success); }
.badge.failed, .badge.fail { background: var(--danger-soft); color: var(--danger); }
.badge.stopped { background: var(--surface-alt); color: var(--text-secondary); }
.doc-status { padding: 2px 9px; border-radius: 12px; font-size: 11.5px; font-weight: 600; }
.doc-processed { background: var(--success-soft); color: var(--success); }
.doc-processing { background: var(--warning-soft); color: var(--warning); }
.doc-uploaded { background: var(--surface-alt); color: var(--text-secondary); }
.doc-failed { background: var(--danger-soft); color: var(--danger); }

.skel { height: 14px; border-radius: 4px; background: var(--surface-alt); animation: shimmer 1.3s ease-in-out infinite; }

/* ============================================================
   DOCUMENTS / PIPELINE
   ============================================================ */
#upload-form { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; margin: var(--sp-3) 0; }
input[type="file"] { font: inherit; font-size: var(--fs-small); }
.pg-range { display: inline-flex; align-items: center; gap: 4px; }
.pg-from, .pg-to { width: 62px; padding: 4px 6px; border: 1px solid var(--border); border-radius: var(--r-sm); background: var(--bg); color: var(--text); font: inherit; }
.pg-dash { color: var(--text-tertiary); }

.progress { margin-top: var(--sp-4); border: 1px solid var(--border); border-radius: var(--r-lg); padding: var(--sp-4); background: var(--surface-alt); }
.progress-head { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; }
.steps { list-style: none; margin: var(--sp-3) 0 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.step { display: flex; align-items: center; gap: var(--sp-2); font-size: var(--fs-small); color: var(--text-secondary); }
.step .step-icon { width: 16px; text-align: center; }
.step.running { color: var(--warning); }
.step.done { color: var(--success); }
.step.fail { color: var(--danger); }
.step.stopped { color: var(--text-tertiary); }
#log-details { margin-top: var(--sp-3); }
#log-details summary { cursor: pointer; font-size: var(--fs-small); color: var(--text-tertiary); }
.log { max-height: 260px; overflow: auto; background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-md); padding: var(--sp-3); font-family: var(--font-mono); font-size: var(--fs-micro); white-space: pre-wrap; color: var(--text-secondary); margin-top: var(--sp-2); }

/* ============================================================
   DUPLICATE REVIEW (side-by-side comparison)
   ============================================================ */
.dup-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--sp-3); }
.dup-shortcuts { display: flex; align-items: center; gap: var(--sp-3); }
.dup-shortcuts span { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; color: var(--text-tertiary); }
.dup-intro { margin: 4px 0 0; }
.flag, .dup-flag { font-size: 11.5px; padding: 2px 10px; border-radius: var(--r-lg); font-weight: 600; }
.flag.warn, .dup-flag.warn { background: var(--warning-soft); color: var(--warning); }
.flag.ok, .dup-flag.ok { background: var(--success-soft); color: var(--success); }
.compare { border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; margin-top: 12px; }
.crow { display: grid; grid-template-columns: 130px 1fr 1fr; }
.crow + .crow, .crow.body { border-top: 1px solid var(--border); }
.crow .ch { padding: 9px var(--sp-3); font-size: var(--fs-micro); font-weight: var(--fw-bold); text-transform: uppercase; letter-spacing: .04em; color: var(--text-tertiary); }
.crow .ch.head { background: var(--surface-alt); display: flex; align-items: center; }
.crow .rec-head { padding: 9px var(--sp-3); border-left: 1px solid var(--border); display: flex; align-items: center; gap: var(--sp-2); font-size: var(--fs-body); font-weight: var(--fw-bold); background: var(--surface-alt); cursor: pointer; }
.badge-rich { font-size: 10.5px; font-weight: var(--fw-bold); padding: 1px 7px; border-radius: var(--r-md); background: var(--success-soft); color: var(--success); }
.crow .flabel { padding: 8px var(--sp-3); font-size: var(--fs-small); color: var(--text-tertiary); display: flex; align-items: center; }
.crow .cval { padding: 8px var(--sp-3); font-size: var(--fs-body); border-left: 1px solid var(--border); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.crow .cval.diff { cursor: pointer; background: var(--warning-soft); }
.crow .cval.diff.chosen { background: var(--accent-soft); }
.crow .cval .check { color: var(--accent); font-weight: var(--fw-bold); }
.dup-hint { font-size: 11.5px; color: var(--text-tertiary); margin-top: var(--sp-2); }
.dup-actions { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; flex-wrap: wrap; gap: var(--sp-3); }

/* ============================================================
   ROW DETAIL DRAWER
   ============================================================ */
/* Closed state is off-screen + non-interactive, NOT display:none — an element
   can't transition out of display:none, so it stays rendered to animate. */
.drawer-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.35); z-index: 40;
  opacity: 0; pointer-events: none; transition: opacity .26s ease;
}
.drawer-backdrop.open { opacity: 1; pointer-events: auto; }
.drawer {
  position: fixed; top: 0; right: 0; height: 100vh; width: min(760px, 94vw);
  background: var(--surface); border-left: 1px solid var(--border); box-shadow: var(--shadow-drawer);
  z-index: 50; display: flex; flex-direction: column; will-change: transform;
  transform: translateX(100%); visibility: hidden; pointer-events: none;
  transition: transform .42s cubic-bezier(.16,1,.3,1), visibility 0s linear .42s;
}
.drawer.open {
  transform: translateX(0); visibility: visible; pointer-events: auto;
  transition: transform .42s cubic-bezier(.16,1,.3,1), visibility 0s;
}
/* content eases up as the panel arrives */
.drawer.open .drawer-body { animation: fade-up .34s ease both .08s; }
.drawer-head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--sp-3); padding: var(--sp-5) var(--sp-6); border-bottom: 1px solid var(--border); }
.drawer-title { font-size: var(--fs-h2); font-weight: var(--fw-h2); }
.drawer-sub { font-size: var(--fs-small); margin-top: 2px; }
#drawer-close { padding: 4px 10px; }
.drawer-body { padding: var(--sp-5) var(--sp-6); overflow: auto; }
.d-sec { margin-bottom: var(--sp-6); }
.d-sec h3 { margin: 0 0 var(--sp-3); font-size: var(--fs-small); font-weight: var(--fw-bold); text-transform: uppercase; letter-spacing: .04em; color: var(--text-tertiary); }
.mini-wrap { border: 1px solid var(--border); border-radius: var(--r-md); overflow: auto; }
table.mini { width: 100%; font-size: var(--fs-small); }
table.mini th { position: static; text-transform: none; letter-spacing: 0; }
table.mini tr.row-link { cursor: pointer; }
.rel-card { display: flex; align-items: center; justify-content: space-between; padding: 10px var(--sp-3); border: 1px solid var(--border); border-radius: var(--r-md); cursor: pointer; margin-bottom: var(--sp-2); }
.rel-card:hover { background: var(--surface-hover); border-color: var(--accent); }
.rel-main { display: flex; flex-direction: column; gap: 2px; }
.rel-sub { font-size: var(--fs-micro); }
.rel-arrow { color: var(--accent); }
.network-note { margin-bottom: var(--sp-2); }

/* timeline */
.tl { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--sp-2); }
.tl-item { display: flex; gap: var(--sp-3); padding: var(--sp-2) var(--sp-3); border: 1px solid var(--border); border-radius: var(--r-md); cursor: pointer; }
.tl-item:hover { background: var(--surface-hover); border-color: var(--accent); }
.tl-date { font-family: var(--font-mono); font-size: var(--fs-small); color: var(--text-secondary); min-width: 92px; flex: none; }
.tl-body { display: flex; flex-direction: column; gap: 2px; }
.tl-cat { font-weight: 600; }
.tl-detail { font-size: var(--fs-micro); }

/* source (original + translation) */
.src-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3); }
.src-label { font-size: 10.5px; font-weight: var(--fw-bold); text-transform: uppercase; letter-spacing: .04em; color: var(--text-tertiary); margin-bottom: 5px; }
.src { background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-md); padding: 10px var(--sp-3); font-size: 12.5px; color: var(--text-secondary); line-height: var(--lh-body); max-height: 320px; overflow: auto; white-space: pre-wrap; }
.src.rtl {
  direction: rtl; text-align: right;
  font-family: "Noto Naskh Arabic", var(--font-sans);
  font-size: 15px; line-height: 1.9;
}
.src-meta { margin-top: var(--sp-2); }

/* provenance: legend + highlighted marks in the source panels */
.prov-legend { display: flex; align-items: center; gap: var(--sp-2); flex-wrap: wrap; margin-bottom: var(--sp-3); }
.prov-chip { display: inline-flex; align-items: center; gap: 5px; font-size: var(--fs-micro); font-weight: 600; padding: 2px 9px; border-radius: var(--r-pill); border: 1px solid var(--border); color: var(--text-secondary); cursor: default; }
.prov-chip:hover { border-color: var(--accent); }
.prov-chip .dot { width: 8px; height: 8px; border-radius: 50%; }
.dot.prov-id { background: var(--accent); }
.dot.prov-money { background: var(--success); }
.dot.prov-name { background: var(--warning); }
.src mark.prov { color: inherit; border-radius: 3px; padding: 0 2px; box-decoration-break: clone; -webkit-box-decoration-break: clone; transition: background .12s, box-shadow .12s; }
.src mark.prov.prov-id { background: var(--accent-soft); }
.src mark.prov.prov-money { background: var(--success-soft); }
.src mark.prov.prov-name { background: var(--warning-soft); }
.src mark.prov.hot { box-shadow: 0 0 0 2px var(--accent); }

/* ============================================================
   TOAST
   ============================================================ */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  display: flex; align-items: center; gap: var(--sp-4); background: var(--text); color: var(--bg);
  padding: 11px 18px; border-radius: var(--r-lg); box-shadow: var(--shadow-toast); z-index: 60; font-size: var(--fs-body);
  animation: toast-in .2s ease;
}
.toast button { background: transparent; border: none; color: var(--bg); font: inherit; font-weight: var(--fw-bold); text-decoration: underline; padding: 0; }
.toast .x { cursor: pointer; opacity: .55; }

/* ============================================================
   TOPBAR NAV
   ============================================================ */
.topbar-actions { display: flex; align-items: center; gap: var(--sp-5); }
.nav-link {
  font-size: var(--fs-small); font-weight: var(--fw-h2); color: var(--accent);
  text-decoration: none; padding: var(--sp-2) var(--sp-3);
  border: 1px solid var(--accent-soft); border-radius: var(--r-pill);
  background: var(--accent-soft); transition: filter .12s;
}
.nav-link:hover { filter: brightness(1.06); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 860px) {
  main { padding: 20px var(--sp-4) 48px; gap: var(--sp-5); }
  .topbar { padding: var(--sp-3) var(--sp-4); }
  .kpi-grid, .quality-grid { grid-template-columns: repeat(2, 1fr); }
  .src-grid { grid-template-columns: 1fr; }
  .crow { grid-template-columns: 96px 1fr 1fr; }
}