/* ═══════════════════════════════════════════════════════
   FATIHA Optics — Shared Design System
   Linked at end of <head> in: index.html, admin/index.html, frames/*.html
   Source-order override: this file wins over earlier <style> blocks
   on equal specificity.
   ═══════════════════════════════════════════════════════ */

/* ── MOTION TOKENS ──────────────────────────────────────── */
:root {
  --ease-spring: cubic-bezier(.16,1,.3,1);
  --ease-out:    cubic-bezier(0,0,.3,1);
  --dur-fast:    0.18s;
  --dur-base:    0.32s;
  --dur-slow:    0.52s;
}

/* ── FONT SMOOTHING ─────────────────────────────────────── */
body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* ── TEXT SPACING ───────────────────────────────────────── */
p,
.subtitle,
.fx-mirror-desc,
.fp-desc-short,
.fp-longdesc-text,
.fx-col-concept,
.fx-foot-manifesto,
.heritage-body,
.pd-desc {
  line-height: 1.85;
}
body.rtl p,
body.rtl .subtitle,
body.rtl .fx-mirror-desc,
body.rtl .fp-desc-short,
body.rtl .fx-col-concept,
body.rtl .heritage-body,
body.rtl .pd-desc {
  line-height: 1.95;
  word-spacing: 0.03em;
}

/* ── GLASS BUTTON — base class ──────────────────────────── */
/*
  Use .btn-glass on new elements, or add alongside existing class.
  Primary CTAs only — not every link gets glass.
*/
.btn-glass {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: .85rem 2.2rem;
  border-radius: 100px;
  border: 1px solid rgba(212,175,55,.30);
  background:
    linear-gradient(135deg,
      rgba(212,175,55,.10) 0%,
      rgba(212,175,55,.03) 100%);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  box-shadow:
    0 8px 24px rgba(0,0,0,.26),
    inset 0 1px 0 rgba(212,175,55,.20),
    inset 0 -1px 0 rgba(0,0,0,.12);
  color: var(--starlight, #F0F2F5);
  font-family: var(--font-en, 'Cinzel', serif);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition:
    background    var(--dur-base) var(--ease-spring),
    border-color  var(--dur-fast) var(--ease-out),
    box-shadow    var(--dur-base) var(--ease-spring),
    transform     var(--dur-fast) var(--ease-spring);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
/* Inner refraction highlight */
.btn-glass::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(ellipse 80% 50% at 50% 0%,
    rgba(255,255,255,.09), transparent 70%);
  pointer-events: none;
}
.btn-glass:hover {
  background:
    linear-gradient(135deg,
      rgba(212,175,55,.20) 0%,
      rgba(212,175,55,.07) 100%);
  border-color: rgba(212,175,55,.60);
  box-shadow:
    0 12px 40px rgba(0,0,0,.30),
    0 0 22px rgba(212,175,55,.12),
    inset 0 1px 0 rgba(212,175,55,.32),
    inset 0 -1px 0 rgba(0,0,0,.10);
  transform: translateY(-1px);
  color: var(--starlight, #F0F2F5);
  text-decoration: none;
}
.btn-glass:active {
  transform: scale(.975);
  box-shadow: 0 4px 14px rgba(0,0,0,.22), inset 0 1px 0 rgba(212,175,55,.15);
}
body.rtl .btn-glass {
  font-family: var(--font-ar, 'Amiri', serif);
  letter-spacing: 0;
}

/* Amber-filled glass variant (primary action) */
.btn-glass-amber {
  background:
    linear-gradient(135deg,
      rgba(212,175,55,.92) 0%,
      rgba(180,148,30,.90) 100%);
  border-color: rgba(212,175,55,.75);
  color: #020C1B;
  font-weight: 600;
  box-shadow:
    0 8px 24px rgba(212,175,55,.20),
    inset 0 1px 0 rgba(255,255,255,.20);
}
.btn-glass-amber:hover {
  background:
    linear-gradient(135deg,
      rgba(225,188,60,1) 0%,
      rgba(200,165,45,1) 100%);
  border-color: var(--amber, #D4AF37);
  color: #020C1B;
  box-shadow:
    0 12px 40px rgba(212,175,55,.30),
    inset 0 1px 0 rgba(255,255,255,.25);
  transform: translateY(-1px);
}

/* ── HERO CTA — glass override ───────────────────────────── */
.hero-cta {
  border-radius: 100px;
  border-color: rgba(212,175,55,.30);
  background:
    linear-gradient(135deg,
      rgba(212,175,55,.10) 0%,
      rgba(212,175,55,.03) 100%);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  box-shadow:
    0 8px 24px rgba(0,0,0,.26),
    inset 0 1px 0 rgba(212,175,55,.20);
  transition:
    background    var(--dur-base) var(--ease-spring),
    border-color  var(--dur-fast),
    box-shadow    var(--dur-base),
    transform     var(--dur-fast) var(--ease-spring);
  overflow: hidden;
  position: relative;
}
.hero-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(ellipse 80% 50% at 50% 0%,
    rgba(255,255,255,.08), transparent 70%);
  pointer-events: none;
}
.hero-cta:hover {
  background:
    linear-gradient(135deg,
      rgba(212,175,55,.20) 0%,
      rgba(212,175,55,.07) 100%);
  border-color: rgba(212,175,55,.65);
  color: var(--amber, #D4AF37);
  box-shadow:
    0 12px 36px rgba(0,0,0,.30),
    0 0 22px rgba(212,175,55,.14),
    inset 0 1px 0 rgba(212,175,55,.30);
  transform: translateY(-1px);
}
.hero-cta:active { transform: scale(.975); }

/* ── MIRROR BTN — glass override ─────────────────────────── */
.fx-mirror-btn {
  border-radius: 100px;
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  background:
    linear-gradient(135deg,
      rgba(212,175,55,.09) 0%,
      rgba(212,175,55,.02) 100%);
  box-shadow:
    0 6px 20px rgba(0,0,0,.22),
    inset 0 1px 0 rgba(212,175,55,.18);
  transition:
    background    var(--dur-base) var(--ease-spring),
    border-color  var(--dur-fast),
    box-shadow    var(--dur-base),
    color         var(--dur-fast),
    transform     var(--dur-fast) var(--ease-spring);
  overflow: hidden;
  position: relative;
}
.fx-mirror-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(ellipse 80% 50% at 50% 0%,
    rgba(255,255,255,.07), transparent 70%);
  pointer-events: none;
}
.fx-mirror-btn:hover {
  background:
    linear-gradient(135deg,
      rgba(212,175,55,.20) 0%,
      rgba(212,175,55,.07) 100%);
  border-color: rgba(212,175,55,.70);
  color: var(--amber, #D4AF37);
  box-shadow:
    0 12px 36px rgba(0,0,0,.28),
    0 0 20px rgba(212,175,55,.14),
    inset 0 1px 0 rgba(212,175,55,.30);
  transform: translateY(-1px);
}
.fx-mirror-btn:active { transform: scale(.975); }

/* ── QUICK BOOK WIDGET — glass pill ──────────────────────── */
.quick-book-btn {
  border-radius: 100px;
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  background:
    rgba(13,21,32,.82);
  border-color: rgba(212,175,55,.28);
  box-shadow:
    0 8px 28px rgba(0,0,0,.32),
    inset 0 1px 0 rgba(212,175,55,.15);
  transition:
    background    var(--dur-base) var(--ease-spring),
    border-color  var(--dur-fast),
    box-shadow    var(--dur-base),
    color         var(--dur-fast),
    transform     var(--dur-fast) var(--ease-spring);
}
.quick-book-btn:hover {
  background: rgba(212,175,55,.10);
  border-color: rgba(212,175,55,.55);
  color: var(--amber, #D4AF37);
  box-shadow:
    0 12px 36px rgba(0,0,0,.36),
    0 0 18px rgba(212,175,55,.12),
    inset 0 1px 0 rgba(212,175,55,.22);
  transform: translateY(-1px);
}
.quick-book-btn:active { transform: scale(.975); }

/* ── FRAME PAGE — catalog btn glass ─────────────────────── */
.fp-catalog-btn {
  border-radius: 100px;
  border-color: rgba(212,175,55,.22);
  background:
    linear-gradient(135deg,
      rgba(212,175,55,.07) 0%,
      rgba(212,175,55,.02) 100%);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  box-shadow:
    0 4px 14px rgba(0,0,0,.20),
    inset 0 1px 0 rgba(212,175,55,.14);
  transition:
    background    var(--dur-base) var(--ease-spring),
    border-color  var(--dur-fast),
    box-shadow    var(--dur-base),
    color         var(--dur-fast),
    transform     var(--dur-fast) var(--ease-spring);
  overflow: hidden;
  position: relative;
}
.fp-catalog-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(ellipse 80% 50% at 50% 0%,
    rgba(255,255,255,.07), transparent 70%);
  pointer-events: none;
}
.fp-catalog-btn:hover {
  background:
    linear-gradient(135deg,
      rgba(212,175,55,.16) 0%,
      rgba(212,175,55,.06) 100%);
  border-color: rgba(212,175,55,.55);
  color: var(--starlight, #F0F2F5);
  box-shadow:
    0 8px 24px rgba(0,0,0,.26),
    0 0 16px rgba(212,175,55,.10),
    inset 0 1px 0 rgba(212,175,55,.22);
  transform: translateY(-1px);
}
.fp-catalog-btn:active { transform: scale(.975); }

/* Frame page: wa button — keep green, round pill */
.fp-wa-btn {
  border-radius: 100px;
  box-shadow: 0 4px 14px rgba(37,211,102,.12);
  transition:
    background  var(--dur-fast) var(--ease-spring),
    border-color var(--dur-fast),
    box-shadow  var(--dur-base) var(--ease-spring),
    transform   var(--dur-fast) var(--ease-spring);
}
.fp-wa-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(37,211,102,.18);
}
.fp-wa-btn:active { transform: scale(.975); }

/* ── SPRING EASING FOR EXISTING TRANSITIONS ─────────────── */
.product-card {
  transition:
    transform   var(--dur-base) var(--ease-spring),
    border-color var(--dur-fast),
    box-shadow  var(--dur-base) var(--ease-spring);
}
.branch-card {
  transition:
    background  var(--dur-base) var(--ease-spring),
    border-color var(--dur-fast),
    transform   var(--dur-base) var(--ease-spring),
    box-shadow  var(--dur-base) var(--ease-spring);
}
.fx-col-card {
  transition: background var(--dur-base) var(--ease-spring);
}
.fx-col-link {
  transition:
    border-color var(--dur-fast),
    color        var(--dur-fast);
}
.fx-reveal {
  transition:
    opacity   var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-spring);
}

/* ── ADMIN PANEL IMPROVEMENTS ───────────────────────────── */
/* Auth screen */
.auth-card {
  background: rgba(13,21,32,.88);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  box-shadow:
    0 24px 60px rgba(0,0,0,.40),
    inset 0 1px 0 rgba(212,175,55,.10);
}

/* Admin primary button */
.btn.btn-amber {
  border-radius: 8px;
  background:
    linear-gradient(135deg,
      rgba(212,175,55,.94) 0%,
      rgba(180,148,30,.92) 100%);
  border: none;
  box-shadow:
    0 4px 14px rgba(212,175,55,.22),
    inset 0 1px 0 rgba(255,255,255,.18);
  transition:
    box-shadow  var(--dur-fast) var(--ease-spring),
    transform   var(--dur-fast) var(--ease-spring),
    background  var(--dur-fast);
}
.btn.btn-amber:hover {
  background:
    linear-gradient(135deg,
      rgba(225,188,60,1) 0%,
      rgba(200,165,45,1) 100%);
  box-shadow:
    0 8px 24px rgba(212,175,55,.30),
    inset 0 1px 0 rgba(255,255,255,.20);
  transform: translateY(-1px);
  opacity: 1;
}
.btn.btn-amber:active { transform: scale(.97); }

/* Admin ghost button */
.btn.btn-ghost {
  border-radius: 8px;
  transition:
    border-color var(--dur-fast),
    color        var(--dur-fast),
    background   var(--dur-fast),
    transform    var(--dur-fast) var(--ease-spring);
}
.btn.btn-ghost:hover {
  border-color: rgba(212,175,55,.45);
  color: var(--amber, #D4AF37);
  background: rgba(212,175,55,.04);
  transform: translateY(-1px);
}
.btn.btn-ghost:active { transform: scale(.97); }

/* Admin LIGHT MODE — override the dark glass surfaces above */
body.light-mode .auth-card {
  background: rgba(255,255,255,0.92);
  border-color: rgba(24,36,72,0.14);
  box-shadow: 0 24px 60px rgba(24,36,72,0.12), inset 0 1px 0 rgba(255,255,255,0.6);
}
body.light-mode .card {
  background: #fff;
  box-shadow: 0 2px 12px rgba(24,36,72,0.08);
}
body.light-mode .card:hover {
  box-shadow: 0 4px 20px rgba(24,36,72,0.12), 0 0 0 1px rgba(212,175,55,0.10);
}

/* Admin tab active underline smoothing */
.tab-btn {
  transition: color var(--dur-fast), border-color var(--dur-fast);
}

/* Admin card subtle upgrade */
.card {
  box-shadow: 0 2px 12px rgba(0,0,0,.18);
  transition: box-shadow var(--dur-base) var(--ease-spring);
}
.card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,.24), 0 0 0 1px rgba(212,175,55,.06);
}

/* ── FOOTER LOGO IMAGE ──────────────────────────────────── */
.fx-foot-logo-img {
  display: block;
  width: 200px;
  max-width: 60%;
  height: auto;
  margin-bottom: 1.2rem;
}
body.light-mode .fx-foot-logo-img {
  /* the logo's navy plaque needs no change on light bg — it reads as the brand mark */
  filter: drop-shadow(0 4px 14px rgba(24,36,72,0.18));
}

/* ── FILTER CHIPS ───────────────────────────────────────── */
.fx-filter-bar {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.fx-chip {
  background: none !important;
  border: 1px solid var(--border-soft) !important;
  color: var(--text-faint) !important;
  padding: .42rem 1.1rem !important;
  border-radius: 100px !important;
  font-size: .65rem !important;
  letter-spacing: 1.4px !important;
  text-transform: uppercase !important;
  font-family: var(--font-en-body) !important;
  font-weight: 500 !important;
  cursor: pointer !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  transition: border-color var(--dur-fast), color var(--dur-fast), background var(--dur-fast) !important;
  display: inline-flex !important;
  width: auto !important;
  min-height: 0 !important;
  transform: none !important;
}
body.rtl .fx-chip { font-family: var(--font-ar-body) !important; letter-spacing: 0 !important; font-size: .72rem !important; }
.fx-chip::after { display: none !important; }
.fx-chip:hover {
  border-color: rgba(212,175,55,.45) !important;
  color: var(--starlight) !important;
  background: none !important;
  transform: none !important;
  box-shadow: none !important;
}
.fx-chip.active {
  border-color: var(--amber) !important;
  color: var(--amber) !important;
  background: rgba(212,175,55,.06) !important;
}
.fx-filter-sep {
  width: 1px;
  height: 16px;
  background: var(--border-soft);
  margin: 0 .3rem;
  flex-shrink: 0;
}
@media (max-width: 600px) {
  .fx-filter-bar { gap: .45rem; }
  .fx-chip { padding: .38rem .85rem !important; font-size: .6rem !important; }
}

/* ── SIZE GUIDE MODAL ────────────────────────────────────── */
.fx-size-box {
  width: 480px;
  max-width: 92vw;
  text-align: start;
}
.fx-size-diagram {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin: 1.5rem 0;
}
.fx-size-measure {
  padding: 1rem;
  border: 1px solid var(--border-soft);
  background: var(--panel);
  border-radius: 4px;
}
.fx-size-measure-label {
  font-size: .62rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--amber);
  font-family: var(--font-en-body);
  margin-bottom: .4rem;
  display: block;
}
body.rtl .fx-size-measure-label { font-family: var(--font-ar-body); letter-spacing: 0; font-size: .68rem; }
.fx-size-measure-val {
  font-size: 1.4rem;
  color: var(--starlight);
  font-weight: 600;
  font-family: var(--font-en);
}
.fx-size-measure-desc {
  font-size: .75rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-top: .25rem;
}
body.rtl .fx-size-measure-desc { font-family: var(--font-ar-body); }
.fx-size-note {
  font-size: .78rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 1.2rem;
}
body.rtl .fx-size-note { font-family: var(--font-ar-body); }
.fx-size-wa-hint {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .75rem 1rem;
  border: 1px solid rgba(212,175,55,.18);
  background: rgba(212,175,55,.04);
  border-radius: 4px;
  font-size: .78rem;
  color: var(--text-dim);
  margin-top: .8rem;
}
body.rtl .fx-size-wa-hint { font-family: var(--font-ar-body); }
/* id selector: must outrank `body.light-mode button` glass rule; flex-shrink:0 — the column flex
   parent would otherwise collapse this overflow:hidden button to 0–2px on desktop */
#fxSizeGuideOpen,
.fx-pd-size-link {
  font-size: .72rem;
  color: var(--text-dim) !important;
  text-decoration: underline;
  text-underline-offset: 3px;
  background: none !important;
  border: none !important;
  box-shadow: none !important;
  padding: 0 !important;
  width: auto !important;
  flex-shrink: 0;
  align-self: flex-start;
  margin-bottom: 1.1rem;
  overflow: visible !important;
  cursor: pointer !important;
  letter-spacing: .5px;
  transition: color var(--dur-fast);
}
.fx-pd-size-link::after { display: none !important; }
#fxSizeGuideOpen:hover,
.fx-pd-size-link:hover { color: var(--amber) !important; background: none !important; transform: none !important; }
.product-detail-info > button { flex-shrink: 0; }

/* ── AI FAB — clear mobile bottom nav ───────────────────── */
@media (max-width: 768px) {
  #fxAiBtn {
    bottom: calc(var(--mob-nav-h, 58px) + var(--safe-bottom, 0px) + 12px) !important;
    width: 50px !important;
    height: 50px !important;
  }
  #fxAiBtn svg { width: 20px; height: 20px; }
}

/* ── REDUCED MOTION ─────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
}