/* ═══════════════════════════════════════════
   Mail.NanoToolz — Premium Disposable Email UI
   ═══════════════════════════════════════════ */

/* ── CSS Custom Properties (Updated Decent Theme) ── */
:root {
  /* Brand Colors - Decent & Professional */
  --color-primary: #6366f1;
  --color-secondary: #a855f7;
  --color-accent: #3b82f6;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* Surface Colors - Ultra-Transparent Glass */
  --color-surface: rgba(255, 255, 255, 0.08);
  --color-surface-hover: rgba(255, 255, 255, 0.12);
  --color-surface-border: rgba(255, 255, 255, 0.15);
  --color-surface-shadow: rgba(0, 0, 0, 0.04);

  /* Text Colors */
  --color-text-primary: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;
  --color-text-inverse: #ffffff;

  /* Glass Effects */
  --blur-intensity: 28px;
  --blur-saturation: 2;
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);

  /* Animation */
  --animation-duration: 0.25s;
  --animation-easing: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Orb Opacity */
  --orb-opacity: 0.25;
}

/* Dark Mode Variables */
.dark {
  /* Surface Colors - Frosted Glass (More Transparent) */
  --color-surface: rgba(15, 23, 42, 0.45);
  --color-surface-hover: rgba(15, 23, 42, 0.55);
  --color-surface-border: rgba(255, 255, 255, 0.08);
  --color-surface-shadow: rgba(0, 0, 0, 0.3);

  /* Text Colors */
  --color-text-primary: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;

  /* Glass Effects */
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  --blur-intensity: 32px;
  --blur-saturation: 2;

  /* Orb Opacity - More Visible in Dark Mode */
  --orb-opacity: 0.35;
}

/* Light Mode Orb Opacity */
:root {
  --orb-opacity: 0.25;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.1); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.18); }
.dark ::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.06); }
.dark ::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.12); }

/* ── Layered Background Wallpaper ── */
.app-bg { overflow: hidden; background: #f8fafc; }
.dark .app-bg { background: #080b14; }
.bg-wallpaper,
.bg-tint,
.bg-frost { position: absolute; inset: 0; pointer-events: none; }
.bg-wallpaper {
  background-image: url("data:image/svg+xml,%3Csvg width='180' height='180' viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%2394a3b8' stroke-width='1' stroke-opacity='.18'%3E%3Cpath d='M0 90c30-28 60-28 90 0s60 28 90 0'/%3E%3Cpath d='M0 130c30-28 60-28 90 0s60 28 90 0'/%3E%3Cpath d='M0 50c30-28 60-28 90 0s60 28 90 0'/%3E%3C/g%3E%3Ccircle cx='40' cy='42' r='2' fill='%236366f1' fill-opacity='.18'/%3E%3Ccircle cx='132' cy='118' r='2' fill='%236366f1' fill-opacity='.14'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  opacity: 0.42;
}
.dark .bg-wallpaper { opacity: 0.18; filter: invert(1) saturate(0.5); }
.bg-tint {
  background:
    radial-gradient(circle at 18% 10%, rgba(99,102,241,0.14), transparent 32%),
    radial-gradient(circle at 85% 18%, rgba(59,130,246,0.12), transparent 34%),
    linear-gradient(135deg, rgba(248,250,252,0.92), rgba(239,246,255,0.76));
}
.dark .bg-tint {
  background:
    radial-gradient(circle at 18% 10%, rgba(99,102,241,0.22), transparent 32%),
    radial-gradient(circle at 85% 18%, rgba(59,130,246,0.18), transparent 34%),
    linear-gradient(135deg, rgba(8,11,20,0.96), rgba(15,23,42,0.84));
}
.bg-frost {
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(255,255,255,0.08);
}
.dark .bg-frost { background: rgba(2,6,23,0.18); }

/* ── Ultra-Lite Animated Background with Gradient Mesh ── */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: var(--orb-opacity);
  pointer-events: none;
  will-change: transform;
}
.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(99, 102, 241, 0.08) 30%, transparent 70%);
  top: -15%; left: -10%;
  animation: orbMove1 28s ease-in-out infinite;
}
.orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.12) 0%, rgba(168, 85, 247, 0.06) 30%, transparent 70%);
  top: 50%; right: -12%;
  animation: orbMove2 35s ease-in-out infinite;
}
.orb-3 {
  width: 450px; height: 450px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, rgba(59, 130, 246, 0.05) 30%, transparent 70%);
  bottom: -10%; left: 20%;
  animation: orbMove3 32s ease-in-out infinite;
}
@keyframes orbMove1 {
  0%,100% { transform: translate(0,0) scale(1) rotate(0deg); }
  25% { transform: translate(100px,60px) scale(1.15) rotate(90deg); }
  50% { transform: translate(30px,120px) scale(0.9) rotate(180deg); }
  75% { transform: translate(-50px,40px) scale(1.08) rotate(270deg); }
}
@keyframes orbMove2 {
  0%,100% { transform: translate(0,0) scale(1) rotate(0deg); }
  25% { transform: translate(-80px,-50px) scale(1.12) rotate(-90deg); }
  50% { transform: translate(70px,-90px) scale(0.88) rotate(-180deg); }
  75% { transform: translate(-30px,50px) scale(1.05) rotate(-270deg); }
}
@keyframes orbMove3 {
  0%,100% { transform: translate(0,0) scale(1) rotate(0deg); }
  33% { transform: translate(60px,-60px) scale(1.1) rotate(120deg); }
  66% { transform: translate(-80px,40px) scale(0.92) rotate(240deg); }
}
@keyframes orbMove4 {
  0%,100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(-40px,60px) scale(1.15); }
  66% { transform: translate(60px,-30px) scale(0.88); }
}

.mesh-gradient {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(37, 99, 235, 0.06), transparent),
              radial-gradient(ellipse 60% 80% at 80% 50%, rgba(124, 58, 237, 0.04), transparent),
              radial-gradient(ellipse 70% 50% at 20% 80%, rgba(8, 145, 178, 0.04), transparent);
  pointer-events: none;
}
.dark .mesh-gradient {
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(37, 99, 235, 0.04), transparent),
              radial-gradient(ellipse 60% 80% at 80% 50%, rgba(124, 58, 237, 0.03), transparent),
              radial-gradient(ellipse 70% 50% at 20% 80%, rgba(8, 145, 178, 0.02), transparent);
}

.noise {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  pointer-events: none;
}

/* ── Logo ── */
.logo-mark {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  filter: drop-shadow(0 2px 8px rgba(43,145,255,0.25));
}
.logo-mark:hover { transform: scale(1.08) rotate(-3deg); }

/* ── Ultra-Transparent Glass Panels ── */
.glass-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-surface-border);
  box-shadow: 0 4px 30px var(--color-surface-shadow), inset 0 1px 0 rgba(255,255,255,0.2);
  backdrop-filter: blur(20px) saturate(1.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
}
.dark .glass-panel {
  box-shadow: 0 4px 30px var(--color-surface-shadow), inset 0 1px 0 rgba(255,255,255,0.06);
  backdrop-filter: blur(24px) saturate(2);
  -webkit-backdrop-filter: blur(24px) saturate(2);
}

.glass-card {
  background: var(--color-surface);
  border: 1px solid var(--glass-border);
  border-radius: 1.25rem;
  box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255,255,255,0.3);
  transition: transform var(--animation-duration) var(--animation-easing), box-shadow var(--animation-duration) ease;
}
.glass-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.35);
}
.dark .glass-card:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.08);
}

/* ── Ultra-Transparent Glass Navbar ── */
.glass-nav {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(48px) saturate(2);
  -webkit-backdrop-filter: blur(48px) saturate(2);
  border-bottom: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 1px 20px rgba(0,0,0,0.03);
}
.dark .glass-nav {
  background: rgba(8,11,20,0.3);
  border-bottom-color: rgba(255,255,255,0.06);
  box-shadow: 0 1px 20px rgba(0,0,0,0.25);
  backdrop-filter: blur(56px) saturate(2.2);
  -webkit-backdrop-filter: blur(56px) saturate(2.2);
}

/* ── Nav Buttons ── */
.nav-icon-btn {
  padding: 0.5rem;
  border-radius: 0.75rem;
  color: #64748b;
  transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.nav-icon-btn:hover { background: rgba(0,0,0,0.05); color: #0f172a; transform: scale(1.05); }
.dark .nav-icon-btn { color: #94a3b8; }
.dark .nav-icon-btn:hover { background: rgba(255,255,255,0.06); color: #f1f5f9; }

.nav-link {
  padding: 0.375rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: 0.625rem;
  color: #64748b;
  transition: all 0.15s ease;
}
.nav-link:hover { color: #1e293b; background: rgba(0,0,0,0.04); }
.nav-link.active { color: #2b91ff; background: rgba(43,145,255,0.08); font-weight: 600; }
.dark .nav-link { color: #94a3b8; }
.dark .nav-link:hover { color: #f1f5f9; background: rgba(255,255,255,0.05); }
.dark .nav-link.active { color: #53b1ff; background: rgba(43,145,255,0.12); }

/* ── Premium Inputs - More Transparent ── */
.inp {
  width: 100%;
  padding: 0.625rem 0.875rem;
  background: var(--color-surface);
  border: 1px solid var(--glass-border);
  border-radius: 0.75rem;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-primary);
  outline: none;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.inp:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15), 0 10px 30px rgba(37, 99, 235, 0.2), inset 0 1px 0 rgba(255,255,255,0.3);
  background: var(--color-surface-hover);
  transform: translateY(-1px);
}
.inp::placeholder { color: var(--color-text-muted); }
.dark .inp:focus {
  border-color: #53b1ff;
  box-shadow: 0 0 0 4px rgba(83, 177, 255, 0.15), 0 10px 30px rgba(83, 177, 255, 0.2), inset 0 1px 0 rgba(255,255,255,0.1);
}

select.inp {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

/* ── Labels ── */
.lbl {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #64748b;
  margin-bottom: 0.375rem;
}
.dark .lbl { color: #94a3b8; }

/* ── Primary Buttons ── */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.375rem;
  padding: 0.625rem 1.25rem;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: 0.8125rem; font-weight: 600;
  border-radius: 0.75rem;
  border: 1px solid rgba(99,102,241,0.22);
  box-shadow: 0 10px 24px rgba(99, 102, 241, 0.18);
  transition: all var(--animation-duration) var(--animation-easing);
  cursor: pointer;
}
.btn-primary:hover {
  transform: translateY(-1px);
  background: #5658e8;
  box-shadow: 0 14px 28px rgba(99, 102, 241, 0.22);
}
.btn-primary:active { transform: translateY(0) scale(0.99); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-secondary {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.375rem;
  padding: 0.5rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--glass-border);
  color: var(--color-text-secondary);
  font-size: 0.8125rem; font-weight: 500;
  border-radius: 0.75rem;
  transition: all 0.2s var(--animation-easing);
  cursor: pointer;
}
.btn-secondary:hover {
  background: var(--color-surface-hover);
  border-color: var(--glass-border);
  transform: translateY(-1px);
  box-shadow: var(--glass-shadow);
}

.btn-danger {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.375rem;
  padding: 0.5rem 1rem;
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.15);
  color: var(--color-error);
  font-size: 0.8125rem; font-weight: 500;
  border-radius: 0.75rem;
  transition: all 0.15s ease;
  cursor: pointer;
}
.btn-danger:hover { background: rgba(239,68,68,0.15); }

.btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.375rem;
  padding: 0.5rem 0.75rem;
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 0.8125rem; font-weight: 500;
  border-radius: 0.625rem;
  border: none;
  transition: all 0.15s ease;
  cursor: pointer;
}
.btn-ghost:hover { background: rgba(0,0,0,0.04); color: var(--color-text-primary); }
.dark .btn-ghost:hover { background: rgba(255,255,255,0.05); }

/* ── Status Badges ── */
.badge {
  display: inline-flex; align-items: center;
  padding: 0.1875rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.6875rem; font-weight: 600;
  letter-spacing: 0.01em;
}
.badge-active {
  background: rgba(16,185,129,0.1); color: #059669;
  box-shadow: 0 0 12px rgba(16,185,129,0.15);
}
.badge-deleted { background: rgba(239,68,68,0.08); color: #ef4444; }
.badge-expired { background: rgba(245,158,11,0.08); color: #d97706; }
.dark .badge-active { color: #34d399; background: rgba(52,211,153,0.1); box-shadow: 0 0 12px rgba(52,211,153,0.1); }
.dark .badge-deleted { color: #f87171; background: rgba(248,113,113,0.08); }
.dark .badge-expired { color: #fbbf24; background: rgba(251,191,36,0.08); }

/* ── Tags ── */
.tag {
  display: inline-flex; align-items: center;
  padding: 0.125rem 0.5rem;
  border-radius: 0.375rem;
  font-size: 0.6875rem; font-weight: 500;
  background: rgba(43,145,255,0.08);
  color: #2b91ff;
}
.dark .tag { background: rgba(83,177,255,0.1); color: #53b1ff; }

/* ── Stat Cards ── */
.stat-card { padding: 1.25rem 1.5rem; border-radius: 1rem; }
.stat-label { font-size: 0.6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: #64748b; }
.stat-value {
  font-size: 1.75rem; font-weight: 800; margin-top: 0.25rem;
  color: var(--color-text-primary);
}
.dark .stat-label { color: #94a3b8; }
.dark .stat-value { color: var(--color-text-primary); }

/* ── Icon Buttons ── */
.icon-btn { padding: 0.375rem; border-radius: 0.5rem; color: #94a3b8; transition: all 0.15s ease; }
.icon-btn:hover { background: rgba(0,0,0,0.05); color: #475569; }
.dark .icon-btn:hover { background: rgba(255,255,255,0.06); color: #e2e8f0; }

/* ── Modal ── */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 60;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.2);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  padding: 1rem;
  animation: modalBgIn 0.2s ease-out;
}
.modal-box {
  width: 100%; max-width: 28rem;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(30px) saturate(1.8);
  -webkit-backdrop-filter: blur(30px) saturate(1.8);
  border: 1px solid var(--glass-border);
  border-radius: 1.5rem;
  padding: 1.75rem;
  box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255,255,255,0.2);
  animation: modalIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.dark .modal-box {
  background: rgba(15,23,42,0.5);
  box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255,255,255,0.06);
}
@keyframes modalBgIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalIn { from { opacity: 0; transform: scale(0.92) translateY(16px); } to { opacity: 1; transform: scale(1) translateY(0); } }

/* ── Toast ── */
.toast {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 100;
  padding: 0.75rem 1.25rem;
  border-radius: 1rem;
  font-size: 0.8125rem; font-weight: 500;
  backdrop-filter: blur(20px) saturate(1.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
  box-shadow: 0 8px 40px rgba(0,0,0,0.14);
  animation: toastIn 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.toast-success { background: rgba(16,185,129,0.12); color: #059669; border: 1px solid rgba(16,185,129,0.2); }
.toast-error { background: rgba(239,68,68,0.12); color: #ef4444; border: 1px solid rgba(239,68,68,0.2); }
.toast-info { background: rgba(37,99,235,0.12); color: #2563eb; border: 1px solid rgba(37,99,235,0.2); }
.dark .toast-success { background: rgba(52,211,153,0.12); color: #34d399; border-color: rgba(52,211,153,0.15); }
.dark .toast-error { background: rgba(248,113,113,0.12); color: #f87171; border-color: rgba(248,113,113,0.15); }
.dark .toast-info { background: rgba(96,165,250,0.12); color: #60a5fa; border-color: rgba(96,165,250,0.15); }
@keyframes toastIn { from { opacity: 0; transform: translateY(20px) scale(0.92); } to { opacity: 1; transform: translateY(0) scale(1); } }

/* ── Animations ── */
.animate-in { animation: fadeSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1); }
@keyframes fadeSlideIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

.stagger-1 { animation-delay: 0.06s; animation-fill-mode: both; }
.stagger-2 { animation-delay: 0.12s; animation-fill-mode: both; }
.stagger-3 { animation-delay: 0.18s; animation-fill-mode: both; }
.stagger-4 { animation-delay: 0.24s; animation-fill-mode: both; }
.stagger-5 { animation-delay: 0.3s; animation-fill-mode: both; }
.stagger-6 { animation-delay: 0.36s; animation-fill-mode: both; }

/* ── Table ── */
.glass-table th {
  font-size: 0.6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em;
  color: #64748b; padding: 0.75rem 1rem; text-align: left;
}
.dark .glass-table th { color: #94a3b8; }
.glass-table td { padding: 0.875rem 1rem; font-size: 0.8125rem; border-top: 1px solid rgba(0,0,0,0.04); }
.dark .glass-table td { border-top-color: rgba(255,255,255,0.04); }
.glass-table tr:hover td { background: rgba(0,0,0,0.015); }
.dark .glass-table tr:hover td { background: rgba(255,255,255,0.02); }

/* ── Checkbox ── */
input[type="checkbox"] { accent-color: #2b91ff; }

/* ── Divider ── */
.glass-divider { height: 1px; background: rgba(15,23,42,0.08); }
.dark .glass-divider { background: rgba(255,255,255,0.08); }

/* ── FAQ Accordion ── */
.faq-item { border: 1px solid rgba(0,0,0,0.05); border-radius: 1rem; transition: all 0.2s ease; overflow: hidden; }
.dark .faq-item { border-color: rgba(255,255,255,0.05); }
.faq-item:hover { border-color: rgba(43,145,255,0.15); }
.faq-q {
  padding: 1.125rem 1.25rem; cursor: pointer; display: flex; align-items: center; justify-content: space-between;
  font-weight: 600; font-size: 0.9375rem; color: #1e293b; user-select: none; transition: all 0.15s ease;
}
.dark .faq-q { color: #f1f5f9; }
.faq-q:hover { color: #2b91ff; }
.dark .faq-q:hover { color: #53b1ff; }
.faq-q svg { width: 18px; height: 18px; transition: transform 0.25s ease; color: #94a3b8; flex-shrink: 0; }
.faq-item.open .faq-q svg { transform: rotate(180deg); color: #2b91ff; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.25s ease; padding: 0 1.25rem; }
.faq-item.open .faq-a { max-height: 500px; padding: 0 1.25rem 1.125rem; }
.faq-a p, .faq-a li { font-size: 0.875rem; color: #64748b; line-height: 1.7; }
.dark .faq-a p, .dark .faq-a li { color: #94a3b8; }
.faq-a a { color: #2b91ff; text-decoration: underline; text-underline-offset: 2px; }
.dark .faq-a a { color: #53b1ff; }
.faq-a code { font-size: 0.8125rem; background: rgba(43,145,255,0.06); color: #1560eb; padding: 0.125rem 0.375rem; border-radius: 0.25rem; }
.dark .faq-a code { background: rgba(83,177,255,0.1); color: #53b1ff; }

/* ── Setup Guide Steps ── */
.setup-step { position: relative; padding-left: 2.75rem; }
.setup-step::before {
  content: attr(data-step); position: absolute; left: 0; top: 0;
  width: 2rem; height: 2rem; border-radius: 0.625rem;
  background: rgba(99,102,241,0.16);
  border: 1px solid rgba(99,102,241,0.24);
  color: #334155; font-size: 0.75rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.dark .setup-step::before { color: #e2e8f0; background: rgba(99,102,241,0.26); border-color: rgba(99,102,241,0.4); }
.setup-step::after {
  content: ''; position: absolute; left: 0.9375rem; top: 2.25rem; bottom: -1rem;
  width: 1px; background: rgba(99,102,241,0.18);
}
.setup-step:last-child::after { display: none; }

/* ── Footer ── */
.site-footer {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(0,0,0,0.05);
}
.dark .site-footer {
  background: rgba(8,11,20,0.35);
  border-top-color: rgba(255,255,255,0.06);
}

/* ── Floating Feature Icon ── */
.feature-icon {
  width: 3rem; height: 3rem; border-radius: 0.875rem;
  display: flex; align-items: center; justify-content: center;
  background: rgba(99,102,241,0.10);
  border: 1px solid rgba(99,102,241,0.18);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.dark .feature-icon {
  background: rgba(99,102,241,0.16);
  border-color: rgba(99,102,241,0.28);
}
.group:hover .feature-icon { transform: scale(1.08); box-shadow: 0 4px 16px rgba(99,102,241,0.2); }

/* ═══════════════════════════════════════════
   Premium Effects (merged from premium.css)
   ═══════════════════════════════════════════ */

/* ── Ultra-Lite Gradient Mesh Background ── */
.premium-bg { position: relative; overflow: hidden; }
.premium-bg::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 120% 100% at 15% 15%, rgba(99, 102, 241, 0.08), transparent 75%),
    radial-gradient(ellipse 100% 120% at 85% 25%, rgba(168, 85, 247, 0.06), transparent 75%),
    radial-gradient(ellipse 80% 80% at 35% 75%, rgba(59, 130, 246, 0.05), transparent 75%),
    radial-gradient(ellipse 90% 100% at 65% 60%, rgba(14, 165, 233, 0.04), transparent 75%);
  animation: premiumGradientShift 25s ease-in-out infinite alternate;
  z-index: -1;
}
@keyframes premiumGradientShift {
  0% {
    background-position: 0% 0%;
    background-size: 100% 100%;
    opacity: 0.8;
  }
  33% {
    background-position: 30% 40%;
    background-size: 120% 120%;
    opacity: 1;
  }
  66% {
    background-position: 70% 60%;
    background-size: 110% 110%;
    opacity: 0.9;
  }
  100% {
    background-position: 100% 100%;
    background-size: 100% 100%;
    opacity: 0.8;
  }
}

/* ── Subtle Floating Particles ── */
.particle-container { position: absolute; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
  animation: particleFloat 18s infinite linear;
  will-change: transform, opacity;
}
.dark .particle {
  background: rgba(148,163,184,0.26);
}
.particle.type-1,
.particle.type-2,
.particle.type-3 { box-shadow: none; }
@keyframes particleFloat {
  0% { transform: translateY(105vh) translateX(0) scale(0.4); opacity: 0; }
  10% { opacity: 0.45; }
  50% { opacity: 0.35; transform: translateY(50vh) translateX(calc(var(--x-movement, 10px) * 3)) scale(1); }
  100% { transform: translateY(-5vh) translateX(calc(var(--x-movement, 10px) * 6)) scale(0.3); opacity: 0; }
}

/* ── Ultra-Lite Premium Glass ── */
.premium-glass {
  background: rgba(255,255,255,0.09);
  backdrop-filter: blur(42px) saturate(1.8);
  -webkit-backdrop-filter: blur(42px) saturate(1.8);
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 8px 30px rgba(0,0,0,0.05), inset 0 1px 0 rgba(255,255,255,0.1);
  position: relative; overflow: hidden;
}
.premium-glass::before { content: none; }
.premium-glass:hover {
  box-shadow: 0 12px 36px rgba(0,0,0,0.08), inset 0 1px 0 rgba(255,255,255,0.12);
  transition: all 0.3s ease;
}
.dark .premium-glass {
  background: rgba(15,23,42,0.34);
  border: 1px solid rgba(255,255,255,0.09);
  box-shadow: 0 8px 34px rgba(0,0,0,0.24), inset 0 1px 0 rgba(255,255,255,0.04);
}
.dark .premium-glass:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.06);
}

/* ── Page Transitions ── */
.page-transition { animation: pageFadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1); }
@keyframes pageFadeIn { from { opacity: 0; transform: translateY(20px) scale(0.98); } to { opacity: 1; transform: translateY(0) scale(1); } }

/* ── Skeleton Loading ── */
.skeleton {
  background: rgba(255,255,255,0.14);
  animation: skeletonPulse 1.5s ease-in-out infinite;
  border-radius: 0.5rem;
}
@keyframes skeletonPulse { 0%,100% { opacity: 0.55; } 50% { opacity: 1; } }

/* ── Premium Hover ── */
.premium-hover { transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); }
.premium-hover:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 20px 40px rgba(0,0,0,0.15), 0 10px 20px rgba(0,0,0,0.1); }

/* ── Premium Text Glow ── */
.premium-text-glow { text-shadow: 0 0 20px rgba(37, 99, 235, 0.3); animation: textGlow 3s ease-in-out infinite alternate; }
@keyframes textGlow { from { text-shadow: 0 0 20px rgba(37,99,235,0.3); } to { text-shadow: 0 0 30px rgba(37,99,235,0.5), 0 0 40px rgba(124,58,237,0.3); } }