/* ============================================================
   E³ HQ — SHARED DESIGN SYSTEM
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --obsidian:    #06080f;
  --obsidian-2:  #0a0d18;
  --obsidian-3:  #0f1220;
  --gold:        #c9a84c;
  --gold-light:  #e8c96a;
  --gold-dim:    rgba(201,168,76,0.15);
  --gold-border: rgba(201,168,76,0.25);
  --text-primary: #e8e0cc;
  --text-dim:     rgba(232,224,204,0.45);
  --text-muted:   rgba(232,224,204,0.25);
  --glass:        rgba(255,255,255,0.03);
  --glass-border: rgba(255,255,255,0.07);
  --heading:      'Space Grotesk', sans-serif;
  --body:         'Inter', sans-serif;
  --ease-out:     cubic-bezier(0.23,1,0.32,1);
  --ease-in:      cubic-bezier(0.76,0,0.24,1);
  --fast:         0.2s;
  --standard:     0.4s;
  --slow:         0.8s;

  /* Per-room accent — overridden per page */
  --accent:       #c9a84c;
  --accent-dim:   rgba(201,168,76,0.15);
  --accent-border:rgba(201,168,76,0.25);
}

html, body {
  width: 100%; height: 100%;
  background: var(--obsidian);
  color: var(--text-primary);
  font-family: var(--body);
  overflow: hidden;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

/* ── CANVAS ── */
#canvas-wrap {
  position: fixed;
  inset: 0;
  z-index: 0;
  touch-action: none;
  -webkit-touch-callout: none;
}

/* ── LOADING ── */
#loader {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--obsidian);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  transition: opacity var(--slow) var(--ease-out);
}
#loader.out { opacity: 0; pointer-events: none; }

.loader-logo {
  font-family: var(--heading);
  font-size: 42px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.loader-logo span { color: var(--gold); }
.loader-tagline {
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.loader-bar {
  width: 180px;
  height: 1px;
  background: var(--glass-border);
  position: relative;
  overflow: hidden;
}
.loader-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--gold);
  transition: width 0.4s var(--ease-out);
}
.loader-pct {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--text-muted);
}

/* ── TITLE SCREEN (entrance only) ── */
#title-screen {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--obsidian);
  transition: opacity 1.4s var(--ease-in);
  text-align: center;
  padding: 24px;
}
#title-screen.out { opacity: 0; pointer-events: none; }

.title-eyebrow {
  font-size: 10px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.title-logo {
  font-family: var(--heading);
  font-size: clamp(56px, 10vw, 120px);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
}
.title-logo span { color: var(--gold); }
.title-sub {
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 64px;
}
.enter-btn {
  background: none;
  border: 1px solid var(--gold-border);
  color: var(--text-primary);
  font-family: var(--body);
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  padding: 16px 52px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: border-color var(--standard), color var(--standard);
}
.enter-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold-dim);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--standard) var(--ease-in);
}
.enter-btn:hover { border-color: var(--gold); color: var(--gold-light); }
.enter-btn:hover::before { transform: scaleX(1); transform-origin: left; }

/* ── ROOM TRANSITION OVERLAY ── */
#room-transition {
  position: fixed;
  inset: 0;
  z-index: 150;
  background: var(--obsidian);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s var(--ease-in);
}
#room-transition.in { opacity: 1; pointer-events: all; }

/* ── TOP BAR ── */
#topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  opacity: 0;
  transition: opacity var(--slow);
  pointer-events: none;
}
#topbar.visible { opacity: 1; pointer-events: all; }

.hq-logo {
  font-family: var(--heading);
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
  cursor: pointer;
}
.hq-logo span { color: var(--gold); }

.room-name {
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-muted);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

/* ── HAMBURGER ── */
.hq-hamburger {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  position: relative;
  z-index: 60;
}
.hq-hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--text-dim);
  transition: all var(--standard) var(--ease-out);
}
.hq-hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); background: var(--gold); }
.hq-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hq-hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); background: var(--gold); }

/* ── NAV DRAWER ── */
#nav-drawer {
  position: fixed;
  top: 0; right: 0;
  width: min(340px, 90vw);
  height: 100vh;
  /* iOS Safari: 100vh overflows behind the URL toolbar — dvh tracks it */
  height: 100dvh;
  z-index: 55;
  background: rgba(6,8,15,0.96);
  backdrop-filter: blur(40px) saturate(0.6);
  -webkit-backdrop-filter: blur(40px) saturate(0.6);
  border-left: 1px solid var(--glass-border);
  transform: translateX(100%);
  transition: transform 0.6s var(--ease-in);
  display: flex;
  flex-direction: column;
  padding: 88px 40px 48px;
  pointer-events: none;
  overflow-y: auto;
}
#nav-drawer.open { transform: translateX(0); pointer-events: all; }

.nav-section-label {
  font-size: 9px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.nav-room-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 40px;
}

.nav-room-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--glass-border);
  text-decoration: none;
  cursor: pointer;
  transition: padding-left var(--fast), border-color var(--fast);
}
.nav-room-link:hover { padding-left: 8px; border-color: var(--accent-border); }
.nav-room-link.active { border-color: var(--accent); }
.nav-room-link.active .nav-room-icon { color: var(--accent); }
.nav-room-link.active .nav-room-title { color: var(--text-primary); }

.nav-room-icon {
  font-size: 16px;
  color: var(--text-muted);
  width: 20px;
  flex-shrink: 0;
  transition: color var(--fast);
}
.nav-room-title {
  font-size: 16px;
  font-family: var(--heading);
  font-weight: 700;
  color: var(--text-dim);
  transition: color var(--fast);
}
.nav-room-link:hover .nav-room-title { color: var(--text-primary); }
.nav-room-link:hover .nav-room-icon { color: var(--accent); }

.nav-contact-btn {
  display: block;
  border: 1px solid var(--gold-border);
  background: none;
  color: var(--gold);
  font-family: var(--body);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 14px 24px;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--fast), border-color var(--fast);
}
.nav-contact-btn:hover { background: var(--gold-dim); border-color: var(--gold); }

/* ── HUD (bottom hints) ── */
#hud {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 18px;
  opacity: 0;
  transition: opacity var(--slow);
  pointer-events: none;
  white-space: nowrap;
}
#hud.visible { opacity: 1; }
.hud-hint {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.hud-dot {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--glass-border);
}

/* ── BACK BUTTON ── */
#back-btn {
  position: fixed;
  top: 22px;
  left: 32px;
  z-index: 52;
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--body);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--standard), color var(--fast);
}
#back-btn.visible { opacity: 1; pointer-events: all; }
#back-btn:hover { color: var(--text-primary); }

/* ── TOOLTIP ── */
#tooltip {
  position: fixed;
  z-index: 40;
  pointer-events: none;
  background: rgba(6,8,15,0.95);
  border: 1px solid var(--gold-border);
  padding: 7px 14px;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0;
  transition: opacity var(--fast);
  backdrop-filter: blur(8px);
}

/* ── INFO PANEL (right side panel for room details) ── */
#info-panel {
  position: fixed;
  top: 0; right: 0;
  width: min(400px, 92vw);
  height: 100vh;
  z-index: 45;
  background: rgba(6,8,15,0.88);
  backdrop-filter: blur(36px) saturate(0.7);
  -webkit-backdrop-filter: blur(36px) saturate(0.7);
  border-left: 1px solid var(--glass-border);
  padding: 72px 36px 48px;
  transform: translateX(100%);
  transition: transform 0.65s var(--ease-in);
  overflow-y: auto;
  pointer-events: none;
}
#info-panel.open { transform: translateX(0); pointer-events: all; }
#info-panel::-webkit-scrollbar { width: 2px; }
#info-panel::-webkit-scrollbar-thumb { background: var(--glass-border); }

.panel-tag {
  font-size: 9px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.panel-title {
  font-family: var(--heading);
  font-size: 26px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.15;
  margin-bottom: 6px;
}
.panel-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}
.panel-divider {
  width: 28px;
  height: 1px;
  background: var(--accent-border);
  margin-bottom: 20px;
}
.panel-body {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
  margin-bottom: 28px;
}
.panel-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 28px;
}
.panel-tag-pill {
  font-size: 11px;
  padding: 4px 12px;
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  border-radius: 100px;
}
.panel-cta {
  display: block;
  border: 1px solid var(--accent-border);
  background: none;
  color: var(--accent);
  font-family: var(--body);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 13px 22px;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--fast), border-color var(--fast), color var(--fast);
  margin-bottom: 10px;
  display: block;
  width: 100%;
}
.panel-cta:hover { background: var(--accent-dim); border-color: var(--accent); color: var(--gold-light); }

.panel-items {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 28px;
}
.panel-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--glass-border);
  font-size: 13px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: color var(--fast), padding-left var(--fast);
}
.panel-item:hover { color: var(--text-primary); padding-left: 6px; }
.panel-item-icon { color: var(--accent); font-size: 12px; flex-shrink: 0; }
.panel-item-label { flex: 1; }
.panel-item-arrow { color: var(--text-muted); font-size: 11px; }

/* ── MINI NAV (bottom room switcher on mobile) ── */
#mini-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 50;
  display: none;
  background: rgba(6,8,15,0.96);
  border-top: 1px solid var(--glass-border);
  padding: 0;
  opacity: 0;
  transition: opacity var(--slow);
}
#mini-nav.visible { opacity: 1; }
.mini-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 10px 8px 16px;
  gap: 0;
}
.mini-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  cursor: pointer;
  text-decoration: none;
  min-width: 48px;
  border: none;
  background: none;
  transition: opacity var(--fast);
}
.mini-nav-item:active { opacity: 0.6; }
.mini-nav-icon { font-size: 18px; line-height: 1; }
.mini-nav-label {
  font-size: 9px;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  text-align: center;
  white-space: nowrap;
}
.mini-nav-item.active .mini-nav-label { color: var(--accent); }
.mini-nav-item.active .mini-nav-icon { filter: drop-shadow(0 0 4px var(--accent)); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  #hud { display: none; }
  #mini-nav { display: block; }
  #topbar { padding: 16px 20px; }
  .room-name { display: none; }
  #info-panel { width: 100vw; border-left: none; padding: 64px 24px 120px; }
  #nav-drawer {
    width: 100vw; border-left: none;
    padding: calc(env(safe-area-inset-top, 0px) + 72px) 28px 40px;
    /* cheaper blur on mobile GPUs */
    backdrop-filter: blur(22px) saturate(0.6);
    -webkit-backdrop-filter: blur(22px) saturate(0.6);
  }
  .title-logo { font-size: clamp(48px, 14vw, 80px); }
}

@media (max-width: 480px) {
  .mini-nav-label { font-size: 8px; letter-spacing: 0; }
  .mini-nav-item { padding: 6px 6px; min-width: 40px; }
}

/* ── UTILITY ── */
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; clip: rect(0,0,0,0); overflow: hidden; }

/* ── SOUND BUTTON ── */
#sound-btn {
  background: none;
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 14px;
  width: 34px; height: 34px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: border-color var(--fast), color var(--fast);
  margin-right: 10px;
  flex-shrink: 0;
}
#sound-btn:hover { border-color: var(--accent-border); color: var(--accent); }

/* ── TOPBAR right cluster ── */
.topbar-right { display: flex; align-items: center; gap: 0; }

/* ── FULL-SCREEN CARD OVERLAY ── */
#card-overlay {
  position: fixed;
  inset: 0;
  z-index: 180;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s var(--ease-out);
}
#card-overlay.open {
  opacity: 1;
  pointer-events: all;
}

#card-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2,3,8,0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.card-sheet {
  position: relative;
  z-index: 2;
  width: min(520px, 100%);
  max-height: 92vh;
  max-height: 92dvh;
  background: rgba(6,7,14,0.97);
  border: 1px solid var(--glass-border);
  border-bottom: none;
  border-radius: 18px 18px 0 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  transform: translateY(100%);
  transition: transform 0.48s cubic-bezier(0.23,1,0.32,1);
  display: flex;
  flex-direction: column;
}
#card-overlay.open .card-sheet {
  transform: translateY(0);
}
.card-sheet::-webkit-scrollbar { width: 0; }

/* Drag handle */
.card-handle {
  width: 40px; height: 4px;
  background: var(--glass-border);
  border-radius: 2px;
  margin: 14px auto 0;
  flex-shrink: 0;
}

.card-img-wrap {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  flex-shrink: 0;
  margin-top: 12px;
  position: relative;
}
.card-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease-out);
}
#card-overlay.open .card-img-wrap img {
  transform: scale(1.0);
}

/* Close button */
#card-close {
  position: absolute;
  top: 12px; right: 14px;
  z-index: 10;
  background: rgba(4,5,10,0.88);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 16px;
  width: 34px; height: 34px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: border-color var(--fast), color var(--fast);
}
#card-close:hover { border-color: var(--accent-border); color: var(--accent); }

.card-content {
  padding: 22px 24px 40px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.card-tag-label {
  font-size: 10px;
  letter-spacing: 0.30em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.card-title {
  font-family: var(--heading);
  font-size: clamp(20px, 5vw, 28px);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.card-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 18px;
}
.card-divider {
  width: 28px; height: 1px;
  background: var(--accent-border);
  margin-bottom: 16px;
}
.card-body-text {
  font-size: 14px;
  line-height: 1.82;
  color: var(--text-dim);
  margin-bottom: 20px;
}
.card-tags-row {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 18px;
}
.card-tag-pill {
  font-size: 11px;
  padding: 4px 11px;
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  border-radius: 100px;
}
.card-list {
  display: flex; flex-direction: column; gap: 0;
  margin-bottom: 22px;
}
.card-list-item {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 0;
  border-bottom: 1px solid var(--glass-border);
  font-size: 13px;
  color: var(--text-dim);
}
.card-list-dot { color: var(--accent); font-size: 10px; flex-shrink: 0; }
.card-cta-btn {
  display: block;
  border: 1px solid var(--accent-border);
  background: none;
  color: var(--accent);
  font-family: var(--body);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 14px 22px;
  text-align: center;
  cursor: pointer;
  transition: background var(--fast), border-color var(--fast), color var(--fast);
  width: 100%;
  border-radius: 0;
}
.card-cta-btn:hover { background: var(--accent-dim); border-color: var(--accent); color: var(--gold-light, #e8c96a); }

/* WhatsApp button inside card body */
.card-wa-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  margin-top: 18px;
  padding: 15px 20px;
  background: #25d366;
  border: none;
  color: #fff;
  font-family: var(--body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  border-radius: 0;
  text-align: center;
}
.card-wa-btn:hover { background: #1ebe5c; transform: translateY(-1px); }
.card-wa-icon {
  font-size: 18px;
  line-height: 1;
  /* WhatsApp green circle dot replaced with SVG approach below */
  display: inline-block;
  width: 22px; height: 22px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M17.472 14.382c-.297-.149-1.758-.867-2.03-.967-.273-.099-.471-.148-.67.15-.197.297-.767.966-.94 1.164-.173.199-.347.223-.644.075-.297-.15-1.255-.463-2.39-1.475-.883-.788-1.48-1.761-1.653-2.059-.173-.297-.018-.458.13-.606.134-.133.298-.347.446-.52.149-.174.198-.298.298-.497.099-.198.05-.371-.025-.52-.075-.149-.669-1.612-.916-2.207-.242-.579-.487-.5-.669-.51-.173-.008-.371-.01-.57-.01-.198 0-.52.074-.792.372-.272.297-1.04 1.016-1.04 2.479 0 1.462 1.065 2.875 1.213 3.074.149.198 2.096 3.2 5.077 4.487.709.306 1.262.489 1.694.625.712.227 1.36.195 1.871.118.571-.085 1.758-.719 2.006-1.413.248-.694.248-1.289.173-1.413-.074-.124-.272-.198-.57-.347m-5.421 7.403h-.004a9.87 9.87 0 01-5.031-1.378l-.361-.214-3.741.982.998-3.648-.235-.374a9.86 9.86 0 01-1.51-5.26c.001-5.45 4.436-9.884 9.888-9.884 2.64 0 5.122 1.03 6.988 2.898a9.825 9.825 0 012.893 6.994c-.003 5.45-4.437 9.884-9.885 9.884m8.413-18.297A11.815 11.815 0 0012.05 0C5.495 0 .16 5.335.157 11.892c0 2.096.547 4.142 1.588 5.945L.057 24l6.305-1.654a11.882 11.882 0 005.683 1.448h.005c6.554 0 11.89-5.335 11.893-11.893a11.821 11.821 0 00-3.48-8.413z'/%3E%3C/svg%3E") no-repeat center / contain;
  flex-shrink: 0;
  color: transparent;
  font-size: 0;
}

/* Desktop: card centered (not bottom sheet) */
@media (min-width: 640px) {
  #card-overlay { align-items: center; }
  .card-sheet {
    border-radius: 4px;
    border-bottom: 1px solid var(--glass-border);
    transform: translateY(24px) scale(0.97);
    max-height: 88vh;
    max-height: 88dvh;
    width: min(500px, 94vw);
  }
  #card-overlay.open .card-sheet { transform: translateY(0) scale(1); }
}

/* Hide old side panel on v3 — card replaces it */
#info-panel { display: none !important; }

/* ── CARD SWIPE-DOWN INDICATOR (mobile) ── */
@media (max-width: 639px) {
  .card-sheet {
    /* Allow momentum scroll inside card on iOS */
    -webkit-overflow-scrolling: touch;
  }
  .card-handle {
    /* Make handle larger tap target on mobile */
    padding: 10px 0;
    margin-top: 8px;
  }
  .card-img-wrap {
    /* Slightly taller image on narrow screens */
    aspect-ratio: 4/3;
  }
  .card-content {
    padding: 18px 20px 52px;
  }
}

/* ── MINI NAV safe area (iPhone home bar) ── */
#mini-nav {
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
.mini-nav-inner {
  padding-bottom: 4px;
}

/* ── TOPBAR safe area (notch) ── */
#topbar {
  padding-top: max(20px, env(safe-area-inset-top, 20px));
}

/* ── TOUCH: prevent double-tap zoom on controls ── */
button, a, input, select, textarea {
  touch-action: manipulation;
}

/* ── CANVAS: prevent pull-to-refresh interfering ── */
#canvas-wrap {
  overscroll-behavior: none;
}

/* ── GESTURE HINT (mobile, first-visit only) ── */
#gesture-hint {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 51;
  display: none;
  justify-content: center;
  pointer-events: none;
  padding-bottom: calc(86px + env(safe-area-inset-bottom, 0px));
  opacity: 0;
  transition: opacity 0.6s var(--ease-out);
}
#gesture-hint.visible { opacity: 1; }
#gesture-hint.fading   { opacity: 0; }

.gesture-hint-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(6,8,15,0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border);
  padding: 11px 18px 11px 14px;
}

.gesture-hint-icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  color: var(--accent);
}
.gesture-hint-icon svg { width: 100%; height: 100%; display: block; }

.gesture-hint-pinch-out {
  animation: gesturePinchOut 1.8s ease-in-out infinite;
  transform-origin: center;
}
@keyframes gesturePinchOut {
  0%, 100% { transform: scale(0.72); opacity: 0.55; }
  50%      { transform: scale(1);    opacity: 1; }
}

.gesture-hint-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.gesture-hint-label {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-primary);
  white-space: nowrap;
}
.gesture-hint-sub {
  font-size: 9.5px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  white-space: nowrap;
}

@media (max-width: 768px) {
  #gesture-hint { display: flex; }
}