/* =============================================
   ROOT — FROSTED GLASS LIGHT THEME
   ============================================= */
:root {
  /* Brand */
  --indigo: #6366f1;
  --indigo-dark: #4f46e5;
  --cyan: #06b6d4;
  --violet: #8b5cf6;
  --pink: #ec4899;
  --grad: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
  --grad-warm: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);

  /* Glass */
  --glass-bg: rgba(255,255,255,0.55);
  --glass-bg-strong: rgba(255,255,255,0.72);
  --glass-border: rgba(255,255,255,0.75);
  --glass-border-subtle: rgba(255,255,255,0.45);
  --glass-shadow: 0 8px 32px rgba(99,102,241,0.12), 0 2px 8px rgba(0,0,0,0.06);
  --glass-shadow-lg: 0 24px 64px rgba(99,102,241,0.18), 0 4px 16px rgba(0,0,0,0.08);
  --blur: blur(20px);
  --blur-sm: blur(12px);

  /* Text */
  --text: #0f1133;
  --text-2: #374151;
  --text-3: #6b7280;
  --text-4: #9ca3af;

  /* State */
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;

  /* Layout */
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --radius-pill: 100px;
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Sora', system-ui, sans-serif;
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

::selection { background: rgba(99,102,241,0.25); color: var(--indigo-dark); }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: rgba(255,255,255,0.3); }
::-webkit-scrollbar-thumb { background: rgba(99,102,241,0.3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(99,102,241,0.55); }

/* =============================================
   BACKGROUND MESH
   ============================================= */
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background: linear-gradient(145deg, #f0f4ff 0%, #fafbff 40%, #f0fdfe 70%, #fdf4ff 100%);
}

.mesh-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  will-change: transform;
  animation: blobFloat 18s ease-in-out infinite;
}

.blob-1 { width:600px; height:600px; background:rgba(99,102,241,0.18); top:-200px; left:-150px; animation-duration:20s; }
.blob-2 { width:500px; height:500px; background:rgba(6,182,212,0.15); top:30%; right:-180px; animation-duration:24s; animation-delay:-6s; }
.blob-3 { width:400px; height:400px; background:rgba(139,92,246,0.12); bottom:-150px; left:25%; animation-duration:22s; animation-delay:-10s; }
.blob-4 { width:350px; height:350px; background:rgba(236,72,153,0.1); top:60%; left:-100px; animation-duration:26s; animation-delay:-4s; }

@keyframes blobFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(40px,-60px) scale(1.08); }
  66% { transform: translate(-30px,40px) scale(0.94); }
}

.mesh-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* =============================================
   GLASS CARD
   ============================================= */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow);
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0.05) 100%);
  pointer-events: none;
  border-radius: inherit;
}

/* =============================================
   NAVIGATION
   ============================================= */
#nav {
  position: sticky;
  top: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 5%;
  background: rgba(255,255,255,0.6);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 1px 24px rgba(99,102,241,0.08);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text);
}

.logo-mark {
  width: 38px;
  height: 38px;
  background: var(--grad);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 12px rgba(99,102,241,0.35);
  flex-shrink: 0;
}

.logo-name {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.accent-text {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-style: normal;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-3);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}

.nav-links a:hover { color: var(--indigo); }

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 2px;
  background: var(--grad);
  transition: width 0.3s;
  border-radius: 2px;
}

.nav-links a:hover::after { width: 100%; }

.ham-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.ham-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

.mob-drawer {
  display: none;
  position: fixed;
  top: 65px; left: 0; right: 0;
  z-index: 190;
  background: rgba(255,255,255,0.88);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--glass-border);
  padding: 0.75rem 1.5rem 1rem;
  flex-direction: column;
  gap: 0.25rem;
  box-shadow: 0 8px 32px rgba(99,102,241,0.12);
}

.mob-drawer.show { display: flex; }

.mob-drawer a {
  padding: 0.7rem 1rem;
  color: var(--text);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.9rem;
  transition: background 0.2s;
}

.mob-drawer a:hover { background: rgba(99,102,241,0.08); }

/* =============================================
   HERO
   ============================================= */
.hero {
  padding: 4rem 5% 3rem;
  text-align: center;
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.1rem;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--indigo);
  margin-bottom: 1.5rem;
  box-shadow: var(--glass-shadow);
}

.badge-pulse {
  width: 7px;
  height: 7px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.6); }
  50% { box-shadow: 0 0 0 8px rgba(16,185,129,0); }
}

.hero-title {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-3);
  max-width: 600px;
  margin: 0 auto 2rem;
  font-weight: 400;
}

/* =============================================
   TABS
   ============================================= */
.tab-bar {
  display: flex;
  gap: 0.4rem;
  background: rgba(255,255,255,0.5);
  backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  padding: 0.4rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
  box-shadow: var(--glass-shadow);
}

.tab-pill {
  padding: 0.6rem 1.15rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-pill);
  color: var(--text-3);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
  white-space: nowrap;
}

.tab-pill:hover { background: rgba(99,102,241,0.08); color: var(--indigo); }

.tab-pill.active {
  background: var(--grad);
  color: white;
  box-shadow: 0 4px 14px rgba(99,102,241,0.4);
}

.tab-pane { display: none; animation: fadeUp 0.35s ease; }
.tab-pane.active { display: block; }

@keyframes fadeUp {
  from { opacity:0; transform: translateY(12px); }
  to { opacity:1; transform: translateY(0); }
}

/* =============================================
   MAIN CARD — URL INPUT
   ============================================= */
.main-card { margin-bottom: 1rem; }

.url-field {
  position: relative;
  margin-bottom: 1rem;
}

.url-field-icon {
  position: absolute;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  pointer-events: none;
  z-index: 1;
}

.url-input {
  width: 100%;
  padding: 1.1rem 3rem 1.1rem 3.2rem;
  background: rgba(255,255,255,0.65);
  backdrop-filter: var(--blur-sm);
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'Sora', sans-serif;
  font-size: 0.95rem;
  transition: all 0.25s;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.04);
}

.url-input::placeholder { color: var(--text-4); }

.url-input:focus {
  outline: none;
  border-color: var(--indigo);
  background: rgba(255,255,255,0.88);
  box-shadow: 0 0 0 4px rgba(99,102,241,0.12), inset 0 1px 3px rgba(0,0,0,0.03);
}

.paste-icon-btn {
  position: absolute;
  right: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.7);
  backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  transition: all 0.2s;
}

.paste-icon-btn:hover {
  background: var(--indigo);
  color: white;
  border-color: var(--indigo);
  box-shadow: 0 4px 12px rgba(99,102,241,0.35);
}

/* =============================================
   ADVANCED TOGGLE
   ============================================= */
.adv-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1rem;
  background: rgba(255,255,255,0.45);
  border: 1px solid var(--glass-border-subtle);
  border-radius: var(--radius-xs);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-3);
  margin-bottom: 0.75rem;
  transition: all 0.2s;
  user-select: none;
}

.adv-toggle:hover { background: rgba(255,255,255,0.7); color: var(--indigo); }
.adv-toggle.open { color: var(--indigo); background: rgba(99,102,241,0.07); }

.adv-icon { opacity: 0.6; flex-shrink: 0; }

.adv-arrow {
  margin-left: auto;
  transition: transform 0.3s;
  flex-shrink: 0;
}

.adv-toggle.open .adv-arrow { transform: rotate(180deg); }

.adv-panel {
  display: none;
  padding: 1.25rem;
  background: rgba(255,255,255,0.4);
  backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border-subtle);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  flex-direction: column;
  gap: 0.9rem;
}

.adv-panel.show { display: flex; animation: fadeUp 0.25s ease; }

/* =============================================
   FIELD GROUPS
   ============================================= */
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}

.field-group { display: flex; flex-direction: column; gap: 0.35rem; }
.field-group.full { grid-column: 1 / -1; }

.field-group label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-2);
  letter-spacing: 0.01em;
}

.muted { font-weight: 400; color: var(--text-4); }
.req { color: var(--danger); }

.field-group input,
.field-group select,
.field-group textarea {
  padding: 0.65rem 0.9rem;
  background: rgba(255,255,255,0.65);
  backdrop-filter: var(--blur-sm);
  border: 1.5px solid rgba(255,255,255,0.6);
  border-radius: var(--radius-xs);
  color: var(--text);
  font-family: 'Sora', sans-serif;
  font-size: 0.88rem;
  transition: all 0.2s;
  width: 100%;
}

.field-group input:focus,
.field-group select:focus,
.field-group textarea:focus {
  outline: none;
  border-color: var(--indigo);
  background: rgba(255,255,255,0.88);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

.field-group input[type="color"] {
  height: 42px;
  padding: 4px 6px;
  cursor: pointer;
}

.glass-textarea {
  padding: 0.9rem;
  background: rgba(255,255,255,0.65);
  backdrop-filter: var(--blur-sm);
  border: 1.5px solid rgba(255,255,255,0.6);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem;
  resize: vertical;
  width: 100%;
  transition: all 0.2s;
}

.glass-textarea:focus {
  outline: none;
  border-color: var(--indigo);
  background: rgba(255,255,255,0.88);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

/* =============================================
   SHORTEN BUTTON
   ============================================= */
.shorten-btn {
  width: 100%;
  padding: 1rem;
  background: var(--grad);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-family: 'Sora', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.25s;
  box-shadow: 0 6px 20px rgba(99,102,241,0.4);
  margin-top: 0.25rem;
  text-decoration: none;
  display: block;
  text-align: center;
}

.shorten-btn.compact {
  width: auto;
  padding: 0.75rem 2rem;
  font-size: 0.9rem;
}

.shorten-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(99,102,241,0.5);
}

.shorten-btn:active { transform: translateY(0); }
.shorten-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn-shimmer {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.25) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform 0s;
}

.shorten-btn:hover .btn-shimmer {
  transform: translateX(100%);
  transition: transform 0.6s ease;
}

/* =============================================
   RESULT CARD
   ============================================= */
.result-card {
  display: none;
  margin-top: 0.75rem;
  animation: fadeUp 0.4s ease;
  background: var(--glass-bg-strong);
  box-shadow: var(--glass-shadow-lg);
}

.result-card.show { display: block; }

.result-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.success-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  background: rgba(16,185,129,0.12);
  border: 1px solid rgba(16,185,129,0.3);
  color: var(--success);
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
}

.icon-btn {
  width: 30px;
  height: 30px;
  background: rgba(255,255,255,0.6);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  transition: all 0.2s;
}

.icon-btn:hover { background: var(--danger); color: white; border-color: var(--danger); }

.result-url-row {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 1.1rem;
  align-items: stretch;
}

.result-url-box {
  flex: 1;
  min-width: 0;
  background: rgba(255,255,255,0.65);
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-xs);
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.result-url-text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--indigo);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stats-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.1rem;
  flex-wrap: wrap;
}

.stat-pill {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  padding: 0.45rem 0.9rem;
  background: rgba(255,255,255,0.55);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  font-size: 1rem;
  font-weight: 700;
}

.stat-pill.accent {
  background: rgba(99,102,241,0.1);
  border-color: rgba(99,102,241,0.25);
  color: var(--indigo);
}

.stat-pill small { font-size: 0.72rem; font-weight: 500; color: var(--text-3); }

.stat-arrow {
  color: var(--text-4);
  font-size: 1.1rem;
}

.action-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0;
}

.inline-qr {
  display: none;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255,255,255,0.5);
  text-align: center;
}

.inline-qr.show { display: block; animation: fadeUp 0.3s ease; }

.inline-qr canvas {
  border-radius: var(--radius-xs);
  border: 1px solid var(--glass-border);
  max-width: 100%;
}

.qr-dl-row {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 0.75rem;
}

/* =============================================
   GLASS BUTTONS
   ============================================= */
.glass-btn {
  padding: 0.6rem 1.1rem;
  background: rgba(255,255,255,0.6);
  backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xs);
  color: var(--text-2);
  font-family: 'Sora', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}

.glass-btn:hover {
  background: rgba(255,255,255,0.85);
  border-color: rgba(99,102,241,0.4);
  color: var(--indigo);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.glass-btn.primary {
  background: var(--grad);
  border-color: transparent;
  color: white;
  box-shadow: 0 4px 14px rgba(99,102,241,0.35);
}

.glass-btn.primary:hover {
  color: white;
  box-shadow: 0 6px 20px rgba(99,102,241,0.45);
  border-color: transparent;
}

.glass-btn.sm {
  padding: 0.45rem 0.85rem;
  font-size: 0.8rem;
}

.glass-btn.danger { color: var(--danger); border-color: rgba(239,68,68,0.3); }
.glass-btn.danger:hover { background: var(--danger); color: white; border-color: var(--danger); }

.copy-main-btn { flex-shrink: 0; }

/* =============================================
   CARD HEAD
   ============================================= */
.card-head {
  text-align: center;
  margin-bottom: 1.5rem;
}

.card-head h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 0.3rem; }
.card-head p { color: var(--text-3); font-size: 0.88rem; }

/* =============================================
   BULK
   ============================================= */
.bulk-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0.75rem 0 1rem;
}

.count-badge {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-3);
  background: rgba(255,255,255,0.55);
  border: 1px solid var(--glass-border);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-pill);
}

.bulk-out {
  display: none;
  margin-top: 1rem;
  max-height: 380px;
  overflow-y: auto;
  padding-right: 4px;
}

.bulk-out.show { display: block; }

.bulk-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 0.9rem;
  background: rgba(255,255,255,0.55);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xs);
  margin-bottom: 0.4rem;
}

.bulk-row.ok { border-left: 3px solid var(--success); }
.bulk-row.fail { border-left: 3px solid var(--danger); }

.bulk-text { flex: 1; min-width: 0; }
.bulk-orig { font-size: 0.75rem; color: var(--text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bulk-short { font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; color: var(--indigo); font-weight: 500; }
.bulk-err { font-size: 0.82rem; color: var(--danger); }

.bulk-export-row {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

/* =============================================
   UTM
   ============================================= */
.utm-form { display: flex; flex-direction: column; gap: 0.9rem; }

.utm-out {
  display: none;
  margin-top: 1.25rem;
  padding: 1.25rem;
  background: rgba(255,255,255,0.45);
  border: 1px solid var(--glass-border-subtle);
  border-radius: var(--radius-sm);
}

.utm-out.show { display: block; animation: fadeUp 0.3s ease; }

.utm-url-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.utm-url-input {
  flex: 1;
  min-width: 0;
  padding: 0.75rem;
  background: rgba(255,255,255,0.7);
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-xs);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  color: var(--text);
  word-break: break-all;
}

/* =============================================
   QR CUSTOM
   ============================================= */
.qr-custom-out {
  display: none;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.5);
  text-align: center;
}

.qr-custom-out.show { display: block; animation: fadeUp 0.3s ease; }

.qr-custom-out canvas {
  border-radius: var(--radius-xs);
  border: 1px solid var(--glass-border);
  max-width: 100%;
  margin-bottom: 0.75rem;
}

/* =============================================
   STATS BAR
   ============================================= */
.stats-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-top: 2rem;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow);
  overflow: hidden;
  flex-wrap: wrap;
}

.sbar-item {
  flex: 1;
  min-width: 120px;
  padding: 1.1rem 1rem;
  text-align: center;
}

.sbar-item strong {
  display: block;
  font-size: 1.7rem;
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.sbar-item span {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sbar-sep {
  width: 1px;
  height: 40px;
  background: var(--glass-border);
  flex-shrink: 0;
}

/* =============================================
   SECTIONS
   ============================================= */
.section {
  padding: 5rem 5%;
  max-width: 1200px;
  margin: 0 auto;
}

.section-head {
  text-align: center;
  margin-bottom: 3rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--indigo);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  padding: 0.3rem 0.8rem;
  background: rgba(99,102,241,0.08);
  border-radius: var(--radius-pill);
}

.section-head h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.section-head p { color: var(--text-3); }

/* =============================================
   FEATURES GRID
   ============================================= */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.1rem;
}

.glass-feat-card {
  padding: 1.6rem;
  background: var(--glass-bg);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.glass-feat-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s;
}

.glass-feat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--glass-shadow-lg);
  background: var(--glass-bg-strong);
}

.glass-feat-card:hover::after { transform: scaleX(1); }

.feat-icon {
  font-size: 1.8rem;
  margin-bottom: 0.8rem;
  display: block;
}

.glass-feat-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.glass-feat-card p { color: var(--text-3); font-size: 0.87rem; line-height: 1.5; }

/* =============================================
   HISTORY
   ============================================= */
.history-card { padding: 1.5rem; }

.history-toolbar {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  align-items: center;
}

.search-box {
  flex: 1;
  min-width: 200px;
  position: relative;
  display: flex;
  align-items: center;
}

.search-box svg {
  position: absolute;
  left: 0.85rem;
  color: var(--text-4);
  pointer-events: none;
}

.search-box input {
  width: 100%;
  padding: 0.65rem 1rem 0.65rem 2.4rem;
  background: rgba(255,255,255,0.6);
  backdrop-filter: var(--blur-sm);
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-xs);
  font-family: 'Sora', sans-serif;
  font-size: 0.88rem;
  color: var(--text);
  transition: all 0.2s;
}

.search-box input:focus {
  outline: none;
  border-color: var(--indigo);
  background: rgba(255,255,255,0.88);
}

.history-btns {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-height: 520px;
  overflow-y: auto;
  padding-right: 4px;
}

.hist-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  background: rgba(255,255,255,0.5);
  border: 1px solid var(--glass-border-subtle);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.hist-row:hover {
  background: rgba(255,255,255,0.75);
  transform: translateX(3px);
  border-color: rgba(99,102,241,0.3);
}

.hist-info { flex: 1; min-width: 0; }

.hist-short {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--indigo);
  margin-bottom: 0.2rem;
}

.hist-orig {
  font-size: 0.78rem;
  color: var(--text-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hist-meta {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.3rem;
  flex-wrap: wrap;
}

.hist-tag {
  font-size: 0.7rem;
  padding: 0.1rem 0.45rem;
  background: rgba(99,102,241,0.1);
  color: var(--indigo);
  border-radius: var(--radius-pill);
  font-weight: 600;
}

.hist-date { font-size: 0.72rem; color: var(--text-4); }

.hist-actions {
  display: flex;
  gap: 0.35rem;
  flex-shrink: 0;
}

.mini-btn {
  width: 32px;
  height: 32px;
  background: rgba(255,255,255,0.65);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xs);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: all 0.2s;
  color: var(--text-3);
}

.mini-btn:hover {
  background: var(--indigo);
  color: white;
  border-color: var(--indigo);
  transform: translateY(-1px);
}

.mini-btn.del:hover { background: var(--danger); border-color: var(--danger); }

.empty-state {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-3);
}

.empty-icon { font-size: 3rem; margin-bottom: 0.75rem; opacity: 0.35; }

/* =============================================
   STEPS
   ============================================= */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.1rem;
}

.glass-step {
  padding: 1.8rem 1.5rem;
  background: var(--glass-bg);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow);
  text-align: center;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.glass-step:hover { transform: translateY(-4px); box-shadow: var(--glass-shadow-lg); }

.step-n {
  position: absolute;
  top: 0.5rem;
  right: 0.9rem;
  font-size: 3.5rem;
  font-weight: 900;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.1;
  line-height: 1;
}

.step-emoji {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  display: block;
}

.glass-step h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.4rem; }
.glass-step p { color: var(--text-3); font-size: 0.87rem; }

/* =============================================
   FAQ
   ============================================= */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.glass-faq {
  background: var(--glass-bg);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--glass-shadow);
  overflow: hidden;
  transition: all 0.25s;
}

.glass-faq:hover { border-color: rgba(99,102,241,0.4); }
.glass-faq[open] { border-color: rgba(99,102,241,0.45); box-shadow: var(--glass-shadow-lg); }

.glass-faq summary {
  padding: 1.1rem 1.4rem;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.95rem;
}

.glass-faq summary::-webkit-details-marker { display: none; }
.glass-faq summary::after { content: '+'; font-size: 1.4rem; color: var(--indigo); font-weight: 300; transition: transform 0.3s; flex-shrink: 0; }
.glass-faq[open] summary::after { transform: rotate(45deg); }

.glass-faq p { padding: 0 1.4rem 1.1rem; color: var(--text-3); font-size: 0.9rem; line-height: 1.65; }

/* =============================================
   CTA
   ============================================= */
.cta-section {
  padding: 5rem 5%;
  text-align: center;
}

.cta-glass {
  max-width: 640px;
  margin: 0 auto;
  padding: 3rem 2rem;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  box-shadow: var(--glass-shadow-lg);
}

.cta-glass h2 { font-size: clamp(1.8rem, 4vw, 2.4rem); font-weight: 800; margin-bottom: 0.75rem; letter-spacing: -0.02em; }
.cta-glass p { color: var(--text-3); margin-bottom: 1.75rem; }
.cta-link { display: inline-block; width: auto; padding: 1rem 2.5rem; }

/* =============================================
   FOOTER
   ============================================= */
footer {
  background: rgba(255,255,255,0.6);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-top: 1px solid var(--glass-border);
  padding: 4rem 5% 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  max-width: 1200px;
  margin: 0 auto 2.5rem;
}

.footer-logo {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.footer-brand p { color: var(--text-3); font-size: 0.88rem; margin-bottom: 1rem; }

.social-row { display: flex; gap: 0.5rem; }

.social-btn {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.6);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xs);
  color: var(--text-2);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.82rem;
  transition: all 0.2s;
}

.social-btn:hover {
  background: var(--grad);
  color: white;
  border-color: transparent;
  transform: translateY(-2px);
}

.footer-col h5 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.9rem;
  color: var(--text-2);
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.5rem; }

.footer-col a {
  color: var(--text-3);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--indigo); }

.footer-bottom {
  text-align: center;
  padding-top: 1.75rem;
  border-top: 1px solid var(--glass-border);
  color: var(--text-4);
  font-size: 0.82rem;
}

/* =============================================
   TOAST
   ============================================= */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  padding: 0.8rem 1.4rem;
  background: rgba(255,255,255,0.85);
  backdrop-filter: var(--blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  color: var(--text);
  z-index: 2000;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.34,1.56,0.64,1);
  box-shadow: var(--glass-shadow-lg);
  font-weight: 600;
  font-size: 0.88rem;
  pointer-events: none;
  white-space: nowrap;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* =============================================
   LOADING
   ============================================= */
.loading-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.5);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  z-index: 1500;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
}

.loading-overlay.show { display: flex; }

.glass-loader {
  position: relative;
  width: 56px;
  height: 56px;
}

.loader-ring {
  position: absolute;
  inset: 0;
  border: 3px solid transparent;
  border-top-color: var(--indigo);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

.ring2 {
  inset: 6px;
  border-top-color: var(--cyan);
  animation-duration: 1.3s;
  animation-direction: reverse;
}

.ring3 {
  inset: 12px;
  border-top-color: var(--violet);
  animation-duration: 1.7s;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay p {
  font-weight: 600;
  color: var(--text-2);
  font-size: 0.9rem;
}

/* =============================================
   MODAL
   ============================================= */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,17,51,0.35);
  backdrop-filter: var(--blur-sm);
  z-index: 1800;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay.show { display: flex; }

.glass-modal {
  background: var(--glass-bg-strong);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--glass-border);
  border-radius: 22px;
  padding: 2rem;
  text-align: center;
  box-shadow: var(--glass-shadow-lg);
  position: relative;
  max-width: 360px;
  width: 100%;
  animation: fadeUp 0.35s cubic-bezier(0.34,1.56,0.64,1);
}

.modal-close {
  position: absolute;
  top: 0.9rem; right: 0.9rem;
  width: 30px; height: 30px;
  background: rgba(255,255,255,0.6);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  transition: all 0.2s;
}

.modal-close:hover { background: var(--danger); color: white; border-color: var(--danger); }

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.qr-canvas-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 0.9rem;
}

.qr-canvas-wrap canvas {
  border-radius: var(--radius-xs);
  border: 1px solid var(--glass-border);
  max-width: 100%;
}

.qr-modal-url {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-3);
  word-break: break-all;
  margin-bottom: 1rem;
}

.modal-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
}

/* =============================================
   RESPONSIVE — TABLET
   ============================================= */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-brand { grid-column: 1 / -1; padding-bottom: 1.5rem; border-bottom: 1px solid var(--glass-border); }
}

/* =============================================
   RESPONSIVE — MOBILE
   ============================================= */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .ham-btn { display: flex; }

  .hero { padding: 2rem 5% 2rem; }
  .hero-title { font-size: 2rem; }

  .glass-card { padding: 1.25rem; }

  .tab-bar {
    border-radius: var(--radius);
    overflow-x: auto;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
  }

  .tab-pill { font-size: 0.8rem; padding: 0.55rem 0.9rem; }

  .field-row { grid-template-columns: 1fr; }

  .result-url-row { flex-direction: column; }
  .copy-main-btn { width: 100%; padding: 0.75rem; justify-content: center; display: flex; }

  .stats-row { justify-content: flex-start; }

  .action-row { display: grid; grid-template-columns: 1fr 1fr; }

  .sbar-sep { display: none; }
  .stats-bar { gap: 0; }
  .sbar-item { min-width: 50%; }

  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-brand { grid-column: auto; }
  .footer-col { padding-top: 1rem; border-top: 1px solid var(--glass-border); }

  .history-toolbar { flex-direction: column; align-items: stretch; }
  .search-box { min-width: unset; }
  .history-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 0.4rem; }

  .hist-row { flex-wrap: wrap; }
  .hist-actions { width: 100%; justify-content: flex-start; margin-top: 0.5rem; }

  .bulk-meta { flex-direction: column; align-items: stretch; gap: 0.75rem; }
  .bulk-meta .shorten-btn { width: 100%; }

  .utm-url-row { flex-direction: column; }
}

@media (max-width: 480px) {
  .hero-badge { font-size: 0.72rem; }
  .hero-sub { font-size: 0.92rem; }
  .section { padding: 3rem 5%; }
  .action-row { grid-template-columns: 1fr; }
  .glass-modal { padding: 1.5rem; }
}