/* ============================================================
   WANDM NOTES — theme.css · DARK MODE OVERRIDES
   ============================================================
   Loaded by every WANDM page. Defines the dark equivalents for
   every CSS custom property used across the platform.

   The boot snippet in each <head> sets data-theme="dark" on
   <html> BEFORE the first paint by reading localStorage —
   that's what prevents flash-of-light when a dark-mode user
   loads a page.

   Hardcoded #fff fixes:
     A handful of components were authored with literal #fff
     (modal cards, feedback widgets, etc.). Rather than editing
     every page, we override them here with attribute-selector
     specificity. New code should use var(--card) etc.
   ============================================================ */

[data-theme="dark"] {
  /* ── Brand accents ─────────────────────────────────────
     Slightly brighter on dark surfaces so they pop. */
  --purple: #a78bfa;
  --purple-deep: #8b5cf6;
  --teal: #22d3ee;
  --pink: #f472b6;
  --gold: #fbbf24;
  --amber: #fbbf24;
  --green: #34d399;
  --red: #f87171;

  /* ── Text ─────────────────────────────────────────────── */
  --ink: #f0f2f8;
  --ink-soft: #d4d8e6;
  --muted: #9aa3b8;
  --muted-2: #7a8398;

  /* ── Surfaces ─────────────────────────────────────────── */
  --paper: #0a0e1c;
  --paper-2: #0f1429;
  --card: #1c2238;
  --card-2: #252c45;

  /* Glass morphism — semi-translucent dark for backdrop-filter */
  --glass: rgba(28, 34, 56, 0.72);
  --glass-strong: rgba(28, 34, 56, 0.92);

  /* ── Borders ──────────────────────────────────────────── */
  --border: rgba(255, 255, 255, 0.07);
  --border-2: rgba(255, 255, 255, 0.10);
  --border-3: rgba(255, 255, 255, 0.14);

  /* ── Gradient ─────────────────────────────────────────── */
  --grad: linear-gradient(135deg, var(--purple), var(--purple-deep));

  /* ── Shadows ──────────────────────────────────────────── */
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.32);
  --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.44);
  --shadow-purple: 0 8px 22px rgba(124, 58, 237, 0.40);
}

/* ── Page-level body styling ─────────────────────────────── */
[data-theme="dark"] body {
  background: var(--paper);
  color: var(--ink);
  color-scheme: dark;
}

/* ── Hardcoded #fff fixes ────────────────────────────────── */
/* Modal cards (idle warning, feedback, update banner card) */
[data-theme="dark"] .idle-modal-card,
[data-theme="dark"] .wfb-card,
[data-theme="dark"] .submit-modal-card,
[data-theme="dark"] .modal-card,
[data-theme="dark"] .signin-card,
[data-theme="dark"] .signup-card {
  background: var(--card);
  color: var(--ink);
}

/* Modal backdrops — keep dark overlay but more opacity */
[data-theme="dark"] .idle-modal-back,
[data-theme="dark"] .wfb-back,
[data-theme="dark"] .modal-back {
  background: rgba(0, 0, 0, 0.70);
}

/* Idle / modal buttons */
[data-theme="dark"] .idle-btn:not(.primary),
[data-theme="dark"] .wfb-btn:not(.primary),
[data-theme="dark"] .modal-btn:not(.primary) {
  background: var(--card-2);
  color: var(--ink-soft);
  border-color: var(--border-3);
}
[data-theme="dark"] .idle-btn:not(.primary):hover,
[data-theme="dark"] .wfb-btn:not(.primary):hover {
  border-color: var(--purple);
  color: var(--purple);
  background: rgba(167, 139, 250, 0.08);
}

/* Feedback type rows */
[data-theme="dark"] .wfb-type {
  background: var(--card-2);
  border-color: var(--border-3);
  color: var(--ink-soft);
}
[data-theme="dark"] .wfb-type:hover {
  border-color: var(--purple);
  background: rgba(167, 139, 250, 0.06);
}
[data-theme="dark"] .wfb-type.selected {
  border-color: var(--purple);
  background: rgba(167, 139, 250, 0.12);
  color: var(--ink);
}
[data-theme="dark"] .wfb-context {
  background: var(--paper-2);
  color: var(--muted);
}
[data-theme="dark"] .wfb-textarea {
  background: var(--paper-2);
  color: var(--ink);
  border-color: var(--border-2);
}
[data-theme="dark"] .wfb-textarea:focus {
  border-color: var(--purple);
}
[data-theme="dark"] .wfb-trigger {
  background: transparent;
  border-color: var(--border-2);
  color: var(--muted);
}
[data-theme="dark"] .wfb-trigger:hover {
  border-color: var(--red);
  color: var(--red);
  background: rgba(248, 113, 113, 0.08);
}

/* Toast */
[data-theme="dark"] .wfb-toast {
  background: var(--card-2);
  color: var(--ink);
  border: 1px solid var(--border-2);
}
[data-theme="dark"] .wfb-toast.success { background: var(--green); color: #0d1226; }
[data-theme="dark"] .wfb-toast.error   { background: var(--red);   color: #fff;     }

/* ── Theme toggle button (in app.html topbar) ───────────── */
.theme-toggle {
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border-2);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all .15s ease;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}
.theme-toggle:hover {
  border-color: var(--purple);
  color: var(--purple);
  background: rgba(124, 58, 237, 0.06);
}
.theme-toggle svg {
  width: 18px;
  height: 18px;
}
/* Show sun icon in dark mode, moon icon in light mode */
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun  { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle:hover {
  background: rgba(167, 139, 250, 0.10);
}

/* Floating variant — auto-injected by theme.js on standalone pages
   (index, signin, signup, etc.) that don't have a toggle in their
   own chrome. Sits in the top-right corner with a soft backdrop. */
.theme-toggle-floating {
  position: fixed;
  top: max(16px, env(safe-area-inset-top, 16px));
  right: max(16px, env(safe-area-inset-right, 16px));
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-color: rgba(15, 20, 40, 0.10);
  box-shadow: 0 4px 14px rgba(15, 20, 40, 0.08);
}
.theme-toggle-floating:hover {
  background: rgba(255, 255, 255, 0.95);
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(15, 20, 40, 0.12);
}
[data-theme="dark"] .theme-toggle-floating {
  background: rgba(28, 34, 56, 0.88);
  border-color: rgba(255, 255, 255, 0.10);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.40);
}
[data-theme="dark"] .theme-toggle-floating:hover {
  background: rgba(37, 44, 69, 0.95);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.50);
}
@media (max-width: 560px) {
  .theme-toggle-floating {
    top: max(12px, env(safe-area-inset-top, 12px));
    right: max(12px, env(safe-area-inset-right, 12px));
    width: 40px;
    height: 40px;
  }
}

/* ── Smooth theme transition (just on theme switch) ─────── */
.theme-transitioning,
.theme-transitioning *,
.theme-transitioning *::before,
.theme-transitioning *::after {
  transition: background-color .25s ease, color .25s ease, border-color .25s ease !important;
}

/* ── Reduced motion ─────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .theme-transitioning,
  .theme-transitioning *,
  .theme-transitioning *::before,
  .theme-transitioning *::after {
    transition: none !important;
  }
}

/* ============================================================
   LANGUAGE TOGGLE — Hybrid (Arabic+English) ↔ English-only
   ============================================================
   Controlled by lang-toggle.js. Mode persists in localStorage
   ('wandm_lang'). Default = 'hybrid'.

   AUTHORING CONTRACT:
     - Wrap Arabic+English mixed content in <... class="lang-hybrid">
     - Wrap full English mirror in <... class="lang-english">
     - Generic content (titles, options, stems already in English)
       needs no wrapping — visible in both modes.

   ANTI-FOUC: lang-toggle.js applies data-lang-mode to <html> via
   inline boot script before first paint. Body mirror keeps CSS
   selectors short.
   ============================================================ */

body[data-lang-mode="english"] .lang-hybrid,
html[data-lang-mode="english"] .lang-hybrid {
  display: none !important;
}
body[data-lang-mode="english"] .lang-english,
html[data-lang-mode="english"] .lang-english {
  display: block !important;
}
body[data-lang-mode="hybrid"] .lang-hybrid,
html[data-lang-mode="hybrid"] .lang-hybrid {
  display: block !important;
}
body[data-lang-mode="hybrid"] .lang-english,
html[data-lang-mode="hybrid"] .lang-english {
  display: none !important;
}
/* Inline variants — for span/small/em inside paragraphs */
body[data-lang-mode="english"] .lang-hybrid-inline,
html[data-lang-mode="english"] .lang-hybrid-inline {
  display: none !important;
}
body[data-lang-mode="english"] .lang-english-inline,
html[data-lang-mode="english"] .lang-english-inline {
  display: inline !important;
}
body[data-lang-mode="hybrid"] .lang-hybrid-inline,
html[data-lang-mode="hybrid"] .lang-hybrid-inline {
  display: inline !important;
}
body[data-lang-mode="hybrid"] .lang-english-inline,
html[data-lang-mode="hybrid"] .lang-english-inline {
  display: none !important;
}

/* ── Inline language tabs (per-card, per-question) ──
   Used in explanation cards — gives each MCQ its own AR/EN toggle so
   the user can flip ONE explanation without affecting the rest.
   Rendered via WANDMLang.renderInlineTabs(target, ar, en) in lang-toggle.js.
   Mobile-friendly: 36px buttons (well above 44px tappable surface with padding). */
.exp-lang-tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  margin-bottom: 12px;
  background: rgba(15, 20, 40, 0.05);
  border-radius: 10px;
  -webkit-tap-highlight-color: transparent;
}
.exp-lang-tab {
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted, #6b7280);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 8px 16px;
  min-height: 36px;
  border-radius: 8px;
  cursor: pointer;
  touch-action: manipulation;
  transition: color 180ms, background 180ms, box-shadow 180ms, transform 120ms;
}
.exp-lang-tab:hover {
  color: var(--ink, #0f1428);
}
.exp-lang-tab:active {
  transform: scale(0.97);
}
.exp-lang-tab.is-active {
  background: linear-gradient(135deg, #7C3AED 0%, #06B6D4 100%);
  color: #fff;
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.28);
}
.exp-lang-tab:focus-visible {
  outline: 2px solid var(--accent, #7C3AED);
  outline-offset: 2px;
}
.exp-lang-content {
  white-space: pre-wrap;
  line-height: 1.7;
}
@media (prefers-reduced-motion: reduce) {
  .exp-lang-tab { transition: none; }
}

/* ── Language toggle button (matches .theme-toggle pattern) ── */
.lang-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 56px;
  min-height: 44px;
  padding: 0 12px;
  border: 1.5px solid var(--border, rgba(15,20,40,0.12));
  border-radius: 999px;
  background: transparent;
  color: var(--ink, #0f1428);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: border-color .18s ease, color .18s ease, background-color .18s ease;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.lang-toggle:hover {
  border-color: var(--purple, #7C3AED);
  color: var(--purple, #7C3AED);
}
.lang-toggle:active {
  transform: scale(0.96);
}
.lang-toggle .lang-label {
  display: inline-block;
  font-feature-settings: "tnum" 1, "lnum" 1;
  font-variant-numeric: tabular-nums lining-nums;
  min-width: 36px;
  text-align: center;
}

/* Floating variant (for content pages without tab bar) */
.lang-toggle.floating {
  position: fixed;
  top: env(safe-area-inset-top, 12px);
  right: 64px; /* leave room for theme-toggle which sits at right:12px */
  z-index: 9990;
  background: var(--bg, #fff);
  box-shadow: 0 4px 14px rgba(0,0,0,0.08);
}

/* Dark mode adjustment */
html[data-theme="dark"] .lang-toggle {
  border-color: rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.92);
}
html[data-theme="dark"] .lang-toggle:hover {
  border-color: var(--purple, #a78bfa);
  color: var(--purple, #a78bfa);
}
html[data-theme="dark"] .lang-toggle.floating {
  background: var(--bg, #0f1428);
}

/* Mobile — keep tap target ≥44px and tighter spacing */
@media (max-width: 560px) {
  .lang-toggle {
    min-width: 48px;
    padding: 0 10px;
    font-size: 12px;
  }
  .lang-toggle.floating {
    right: 56px;
  }
}

/* ── Free Mock CTA block (signin/signup pages) ──────────────── */
.free-mock-cta {
  margin-top: 18px;
  padding: 14px 16px;
  background: rgba(124, 58, 237, 0.06);
  border: 1px solid rgba(124, 58, 237, 0.18);
  border-radius: 12px;
  text-align: center;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 13px;
  line-height: 1.6;
}
.free-mock-cta .fm-tag {
  display: block;
  color: rgba(15, 20, 40, 0.6);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.free-mock-cta .fm-link {
  color: var(--purple, #7C3AED);
  font-weight: 700;
  text-decoration: none;
  padding: 4px 6px;
  border-radius: 6px;
  transition: background-color .15s ease;
  -webkit-tap-highlight-color: transparent;
}
.free-mock-cta .fm-link:hover,
.free-mock-cta .fm-link:focus {
  background: rgba(124, 58, 237, 0.10);
  text-decoration: none;
}
.free-mock-cta .fm-sep {
  color: rgba(15, 20, 40, 0.3);
  margin: 0 4px;
}
@media (max-width: 480px) {
  .free-mock-cta .fm-sep { display: block; height: 4px; visibility: hidden; }
}

html[data-theme="dark"] .free-mock-cta {
  background: rgba(167, 139, 250, 0.08);
  border-color: rgba(167, 139, 250, 0.22);
}
html[data-theme="dark"] .free-mock-cta .fm-tag {
  color: rgba(255, 255, 255, 0.55);
}
html[data-theme="dark"] .free-mock-cta .fm-link {
  color: #a78bfa;
}
html[data-theme="dark"] .free-mock-cta .fm-link:hover {
  background: rgba(167, 139, 250, 0.14);
}
html[data-theme="dark"] .free-mock-cta .fm-sep {
  color: rgba(255, 255, 255, 0.22);
}

/* ===== v3.4 — formatted explanation typography (.wf-content via content-format.js) ===== */
.wf-content > :first-child{ margin-top:0; }
.wf-content > :last-child{ margin-bottom:0; }
.wf-content p{ margin:0 0 10px; line-height:1.65; }
.wf-content .wf-h{ font-weight:800; line-height:1.3; margin:14px 0 6px; letter-spacing:-0.2px; }
.wf-content h3.wf-h{ font-size:16px; } .wf-content h4.wf-h{ font-size:14.5px; }
.wf-content h5.wf-h,.wf-content h6.wf-h{ font-size:12.5px; text-transform:uppercase; letter-spacing:.4px; opacity:.85; }
.wf-content ul.wf-ul,.wf-content ol.wf-ol{ margin:8px 0 12px; padding-inline-start:22px; }
.wf-content li{ margin:4px 0; }
.wf-content strong{ font-weight:800; }
.wf-content code{ font-family:ui-monospace,Menlo,monospace; font-size:.88em; padding:1px 5px; border-radius:5px; background:rgba(124,58,237,.10); }
.wf-table-wrap{ overflow-x:auto; margin:10px 0 14px; -webkit-overflow-scrolling:touch; }
.wf-table{ border-collapse:collapse; width:100%; font-size:13.5px; }
.wf-table th,.wf-table td{ border:1px solid rgba(124,58,237,.18); padding:8px 11px; text-align:start; vertical-align:top; }
.wf-table thead th{ background:rgba(124,58,237,.08); font-weight:800; }
.wf-table tbody tr:nth-child(even) td{ background:rgba(124,58,237,.03); }
@media(max-width:560px){ .wf-table{ font-size:12.5px; } }

/* v3.4 — AR/EN toggle removed from UI globally (lang engine left intact) */
.lang-toggle,.tab-lang,[data-lang-toggle],[data-lang-label]{display:none !important;}

/* ============================================================
   v3.4 AUDITFIX2 — WANDM Notes professional design system
   Shared booster/box/battle-table styling so ALL chapters render
   with the same medical-book look (previously inlined per chapter).
   Dark-mode aware; mobile-safe at 360px.
   ============================================================ */
.wandm-booster{ margin-top:2.4em; }
.wandm-booster .rc-flag{ display:inline-block; font-size:11px; font-weight:800; letter-spacing:.4px;
  color:#7C3AED; background:rgba(124,58,237,.1); padding:4px 10px; border-radius:999px; margin:0 0 6px; }
.wandm-booster h2{ font-size:1.3rem; color:var(--ink,#111); border-bottom:2px solid #7C3AED;
  padding-bottom:7px; margin:1.4em 0 .9em; font-weight:850; }
.wandm-booster h3{ font-size:1.05rem; color:#7C3AED; margin:1em 0 .5em; }
.wandm-booster p{ font-size:15px; line-height:1.75; margin:.5em 0; }
.wandm-booster ul{ margin:.5em 0 .8em; padding-inline-start:1.3em; }
.wandm-booster li{ font-size:14.6px; line-height:1.7; margin:.28em 0; }
.wandm-box{ border-radius:12px; padding:12px 14px; margin:12px 0; font-size:14.6px; line-height:1.7; }
.wandm-box .lbl{ font-weight:800; display:block; margin-bottom:4px; }
.wandm-box.trap{ background:#fff7ed; border:1px solid rgba(245,158,11,.3); }
.wandm-box.redflag{ background:#fef2f2; border:1px solid rgba(220,38,38,.3); }
.wandm-box.priority{ background:#ecfeff; border:1px solid rgba(6,182,212,.3); }
.wandm-box.takeaway{ background:linear-gradient(135deg,#fff7ed,#fef3c7); border:1px solid rgba(245,158,11,.24); }
.wandm-box.ar{ background:rgba(124,58,237,.05); border:1px solid rgba(124,58,237,.18); direction:rtl; text-align:right; }
.wandm-ev{ font-size:11.5px; color:#6b7280; margin-top:6px; font-family:monospace; word-break:break-word; }
.needs-review{ color:#b45309; font-weight:800; }
.wandm-booster .table-wrap{ overflow-x:auto; margin:1em 0; -webkit-overflow-scrolling:touch; }
.wandm-booster table.battle-table{ border-collapse:collapse; width:100%; font-size:14px; background:#fff;
  border-radius:10px; overflow:hidden; }
.wandm-booster table.battle-table th{ background:linear-gradient(135deg,#7C3AED,#06B6D4); color:#fff;
  padding:10px 12px; text-align:start; font-weight:800; }
.wandm-booster table.battle-table td{ padding:10px 12px; border-bottom:1px solid #e5e7eb; vertical-align:top; }
.wandm-booster table.battle-table tr:nth-child(even) td{ background:#fafafa; }
@media (max-width:560px){
  .wandm-booster table.battle-table{ font-size:12.5px; }
  .wandm-booster table.battle-table th,.wandm-booster table.battle-table td{ padding:8px 9px; }
}
[data-theme="dark"] .wandm-booster h2{ color:#e8eaf3; }
[data-theme="dark"] .wandm-box.trap{ background:rgba(245,158,11,.08); }
[data-theme="dark"] .wandm-box.redflag{ background:rgba(220,38,38,.08); }
[data-theme="dark"] .wandm-box.priority{ background:rgba(6,182,212,.08); }
[data-theme="dark"] .wandm-box.takeaway{ background:rgba(245,158,11,.10); }
[data-theme="dark"] .wandm-booster table.battle-table td{ background:rgba(255,255,255,.02); border-color:rgba(255,255,255,.08); }
[data-theme="dark"] .wandm-booster table.battle-table tr:nth-child(even) td{ background:rgba(255,255,255,.04); }
