/* ═══════════════════════════════════════════════════════════════════════
   ACCESSIBILITY & COMPONENT PATCHES — A2ZDocs
   Fixes all WCAG AA violations found in the audit.
   Load order: tokens.css → style.css → a11y.css  (this overrides)
   ═══════════════════════════════════════════════════════════════════════ */

/* ─── 1. SKIP-TO-CONTENT ────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -4rem;
  left: var(--space-4);
  z-index: var(--z-toast);
  background: var(--color-brand-600);
  color: var(--color-text-on-brand);
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  text-decoration: none;
  white-space: nowrap;
  transition: top var(--transition-fast);
}
.skip-link:focus-visible {
  top: var(--space-3);
  outline: 2px solid white;
  outline-offset: 2px;
}

/* ─── 2. GLOBAL FOCUS RESET ─────────────────────────────────────────── */
/* Remove browser default only when we provide our own */
:focus { outline: none; }
:focus-visible {
  outline: 2.5px solid var(--color-brand-600);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

/* ─── 3. BUTTON FOCUS STATES ────────────────────────────────────────── */
.btn-primary:focus-visible {
  outline: 2.5px solid var(--color-brand-700);
  outline-offset: 3px;
  box-shadow: var(--shadow-focus);
}
.btn-secondary:focus-visible {
  outline: 2.5px solid var(--color-brand-600);
  outline-offset: 3px;
}
.hero-btn:focus-visible {
  outline: 2.5px solid white;
  outline-offset: 3px;
}

/* ─── 4. LINK & NAV FOCUS STATES ────────────────────────────────────── */
.nav-drop-item:focus-visible {
  outline: 2px solid var(--color-brand-600);
  outline-offset: -2px;
  background: var(--color-brand-50);
  color: var(--color-brand-700);
}
.mobile-link:focus-visible {
  outline: 2px solid var(--color-brand-600);
  outline-offset: -2px;
}
.footer-link:focus-visible {
  outline: 2px solid var(--color-brand-400);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
  color: var(--color-brand-200);
}

/* ─── 5. CARD FOCUS ─────────────────────────────────────────────────── */
.tool-card:focus-visible {
  outline: 2.5px solid var(--color-brand-600);
  outline-offset: 2px;
  box-shadow: var(--shadow-focus), var(--shadow-lg);
}

/* ─── 6. INPUT / SELECT FOCUS ───────────────────────────────────────── */
.options-panel input:focus-visible,
.options-panel select:focus-visible,
.options-panel textarea:focus-visible,
input[type="text"]:focus-visible,
input[type="number"]:focus-visible,
input[type="password"]:focus-visible,
input[type="email"]:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-brand-600) !important;
  box-shadow: var(--shadow-focus) !important;
  background: var(--color-surface) !important;
}

/* ─── 7. TOOL TOGGLE FOCUS ──────────────────────────────────────────── */
.tool-toggle:focus-visible {
  outline: 2px solid var(--color-brand-600);
  outline-offset: 2px;
}
.angle-btn:focus-visible,
.level-btn:focus-visible {
  outline: 2px solid var(--color-brand-600);
  outline-offset: 2px;
}

/* ─── 8. CONTRAST FIXES ─────────────────────────────────────────────── */

/* FIX: .stat-label — #94a3b8 on #1e3a8a = 3.5:1 FAILS AA
   Fix: use #bfdbfe on #1e3a8a = 5.1:1 PASSES AA */
.stat-label {
  color: var(--color-dark-muted) !important; /* #bfdbfe */
}

/* FIX: options-panel label was 0.8rem (12.8px) — below 14px minimum */
.options-panel label {
  font-size: var(--text-sm) !important; /* 14px */
}

/* FIX: tool-card description was 0.8rem (12.8px) */
.tool-card p {
  font-size: var(--text-sm) !important; /* 14px */
}

/* FIX: footer copyright — #475569 on dark footer bg */
footer .border-t {
  color: var(--color-neutral-400); /* #94a3b8 — better readability on dark */
}

/* ─── 9. MINIMUM TAP TARGET ENFORCEMENT ─────────────────────────────── */
.btn-primary,
.btn-secondary {
  min-height: var(--min-touch); /* 44px */
}

.mobile-link {
  min-height: var(--min-touch); /* 44px */
  display: flex;
  align-items: center;
}

/* Ensure drop-zone-sub has enough height */
.drop-zone-sub {
  min-height: 36px;        /* ≥36px; not primary CTA so 36 acceptable */
  padding: var(--space-2) var(--space-4);
  align-items: center;
  justify-content: center;
}

/* ─── 10. ANIMATION FIXES ───────────────────────────────────────────── */

/* FIX: Replace bounceIn (forbidden spring curve) with a safe entrance */
@keyframes safeEnter {
  from { opacity: 0; transform: scale(0.96) translateY(4px); }
  to   { opacity: 1; transform: none; }
}
.tool-icon-wrap {
  animation: safeEnter var(--motion-slow) var(--ease-out) 0.1s both;
}

/* FIX: Toast used cubic-bezier(.34,1.56,.64,1) — spring curve. Replace. */
#toast {
  transition:
    transform var(--motion-slow) var(--ease-out),
    opacity   var(--motion-fast) var(--ease-default) !important;
}

/* FIX: nav-drop-item translateX transform — RTL correction */
[dir="rtl"] .nav-drop-item:hover {
  transform: translateX(-4px);
}

/* FIX: mobile-link scale — remove scale on hover (touch devices don't hover) */
@media (hover: none) {
  .mobile-link:hover  { transform: none; }
  .tool-card:hover    { transform: none; box-shadow: var(--shadow-card); }
  .btn-primary:hover  { transform: none; }
  .btn-secondary:hover { transform: none; }
}

/* ─── 11. FORM VALIDATION STATES ────────────────────────────────────── */
/* Used by JS: element.classList.add('input-error') / 'input-success' */

.input-error {
  border-color: var(--color-error) !important;
  background: var(--color-error-bg) !important;
}
.input-error:focus-visible {
  box-shadow: 0 0 0 3px rgba(220,38,38,0.20) !important;
}
.input-success {
  border-color: var(--color-success) !important;
}
.field-error-msg {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-error-text);
  font-size: var(--text-sm);
  margin-top: var(--space-1);
  font-weight: var(--font-medium);
}
.field-error-msg::before {
  content: '⚠';
  flex-shrink: 0;
}
.field-success-msg {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-success-text);
  font-size: var(--text-sm);
  margin-top: var(--space-1);
}
.field-success-msg::before {
  content: '✓';
  flex-shrink: 0;
}

/* ─── 12. TOAST SEMANTIC COLORS — darkened for contrast ─────────────── */
/* FIX: toast text uses gradient backgrounds; ensure legibility */
#toast.success {
  background: linear-gradient(135deg,
    var(--color-success-text),
    var(--color-success)) !important;
  color: var(--color-neutral-0) !important;
}
#toast.error {
  background: linear-gradient(135deg,
    var(--color-error-text),
    var(--color-error)) !important;
  color: var(--color-neutral-0) !important;
}

/* ─── 13. RESULT PANEL ACCESSIBLE STATE ─────────────────────────────── */
.result-panel {
  border: 1.5px solid var(--color-success-border);
  background: var(--color-success-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-top: var(--space-6);
}

/* ─── 14. PHOTO EDITOR SPECIFIC — no motion during crop/preview ──────── */
/* Prevents any transitions on the photo canvas area */
.photo-canvas,
.passport-preview,
.photo-crop-container,
#photoCanvas,
#previewCanvas {
  transition: none !important;
  animation: none !important;
}

/* ─── 15. PASSPORT PHOTO: FACE GUIDE OVERLAY ────────────────────────── */
/* Used by JS: inject .face-guide into the photo preview container */
.face-guide-container {
  position: relative;
  display: inline-block;
}
.face-guide-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.face-zone {
  position: absolute;
  border: 2px solid rgba(37,99,235,0.70);
  border-radius: 50%;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.5),
    inset 0 0 0 1px rgba(255,255,255,0.3);
}
.face-zone-label {
  position: absolute;
  top: -24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-brand-600);
  color: white;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.face-zone-ok    { border-color: var(--color-success); }
.face-zone-warn  { border-color: var(--color-warning); }
.face-zone-error { border-color: var(--color-error); }

/* Validation feedback cards — passport photo */
.photo-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  border: 1.5px solid transparent;
}
.photo-check-pass {
  background: var(--color-success-bg);
  border-color: var(--color-success-border);
  color: var(--color-success-text);
}
.photo-check-warn {
  background: var(--color-warning-bg);
  border-color: var(--color-warning-border);
  color: var(--color-warning-text);
}
.photo-check-fail {
  background: var(--color-error-bg);
  border-color: var(--color-error-border);
  color: var(--color-error-text);
}
.photo-check-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 1px;
}

/* ─── 16. LOADING SKELETON ───────────────────────────────────────────── */
@keyframes skeleton-shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-neutral-100) 25%,
    var(--color-neutral-200) 50%,
    var(--color-neutral-100) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.4s var(--ease-default) infinite;
  border-radius: var(--radius-sm);
  color: transparent !important;
  user-select: none;
  pointer-events: none;
}
.skeleton * { visibility: hidden; }

/* ─── 17. EDITOR TOOLBAR — min touch targets + token-based active state ─ */

/* FIX: .tool-toggle padding:8px gives ~34px total — below 44px WCAG minimum */
.tool-toggle {
  min-height: var(--min-touch); /* 44px */
  min-width: 44px;
}

/* FIX: stamp buttons also below 44px */
.stamp-btn {
  min-height: var(--min-touch); /* 44px */
  min-width: 44px;
}

/* FIX: editor toolbar active state — use brand tokens, not hardcoded violet */
#toolbar .tool-toggle.active {
  background: var(--color-brand-50);
  border-color: var(--color-brand-500);
  color: var(--color-brand-700);
  font-weight: var(--font-bold);
}

/* FIX: stamp colors — migrate inline hex to semantic tokens */
.stamp-btn.stamp-green {
  color: var(--color-success-text) !important;
  border-color: var(--color-success-border) !important;
  background: var(--color-success-bg) !important;
}
.stamp-btn.stamp-red {
  color: var(--color-error-text) !important;
  border-color: var(--color-error-border) !important;
  background: var(--color-error-bg) !important;
}
.stamp-btn.stamp-blue {
  color: var(--color-brand-700) !important;
  border-color: var(--color-brand-200) !important;
  background: var(--color-brand-50) !important;
}
.stamp-btn.stamp-orange {
  color: var(--color-warning-text) !important;
  border-color: var(--color-warning-border) !important;
  background: var(--color-warning-bg) !important;
}

/* ─── 18. DESTRUCTIVE ACTION CONFIRMATION ────────────────────────────── */
/* For delete/clear/overwrite actions — use btn-danger */
.btn-danger {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-error-bg);
  color: var(--color-error-text);
  border: 1.5px solid var(--color-error-border);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  font-weight: var(--font-bold);
  font-size: var(--text-base);
  min-height: var(--min-touch);
  cursor: pointer;
  transition:
    background var(--transition-fast),
    box-shadow var(--transition-fast);
}
.btn-danger:hover {
  background: var(--color-error);
  color: white;
  border-color: var(--color-error);
  box-shadow: 0 4px 16px rgba(220,38,38,0.25);
}
.btn-danger:focus-visible {
  outline: 2.5px solid var(--color-error);
  outline-offset: 3px;
}