/* ==========================================================================
   Webpage-to-Markdown — Glassmorphism Design System
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ---------- CSS Variables ---------- */
:root {
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Colors */
  --bg-primary: #0a0e1a;
  --bg-secondary: #10162b;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --bg-glass: rgba(255, 255, 255, 0.06);
  --bg-input: rgba(255, 255, 255, 0.08);
  
  --border-glass: rgba(255, 255, 255, 0.1);
  --border-focus: rgba(110, 130, 255, 0.5);
  
  --text-primary: #e8eaf6;
  --text-secondary: rgba(232, 234, 246, 0.65);
  --text-muted: rgba(232, 234, 246, 0.4);
  
  --accent: #6e82ff;
  --accent-glow: rgba(110, 130, 255, 0.3);
  --accent-hover: #8a9bff;
  --success: #4cda8c;
  --success-bg: rgba(76, 218, 140, 0.12);
  --warning: #ffb74d;
  --warning-bg: rgba(255, 183, 77, 0.12);
  --danger: #f06292;
  --danger-bg: rgba(240, 98, 146, 0.12);
  --info: #64b5f6;
  --info-bg: rgba(100, 181, 246, 0.12);
  
  --gradient-accent: linear-gradient(135deg, #6e82ff 0%, #a98bff 50%, #f093fb 100%);
  --gradient-bg: linear-gradient(135deg, #0a0e1a 0%, #12183a 50%, #0d1330 100%);
  --gradient-mesh: radial-gradient(ellipse at 20% 50%, rgba(110, 130, 255, 0.08) 0%, transparent 50%),
                   radial-gradient(ellipse at 80% 20%, rgba(169, 139, 255, 0.06) 0%, transparent 50%),
                   radial-gradient(ellipse at 50% 80%, rgba(240, 147, 251, 0.04) 0%, transparent 50%);
  
  --blur: 20px;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.4);
  
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset + Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Animated background mesh */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: var(--gradient-mesh);
  z-index: -1;
  animation: meshFloat 20s ease-in-out infinite;
}

@keyframes meshFloat {
  0%, 100% { transform: scale(1) translate(0, 0); }
  33% { transform: scale(1.05) translate(-2%, 1%); }
  66% { transform: scale(0.97) translate(1%, -1%); }
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--accent-hover); }

/* ---------- Layout ---------- */
.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* ---------- Glass Card ---------- */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: background var(--transition), border-color var(--transition);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.14);
}

.glass-card-sm {
  padding: 1.25rem;
  border-radius: var(--radius-sm);
}

/* ---------- Header / Nav ---------- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  background: var(--bg-glass);
  backdrop-filter: blur(var(--blur));
  border-bottom: 1px solid var(--border-glass);
  position: sticky;
  top: 0;
  z-index: 100;
  margin-bottom: 2rem;
  border-radius: 0 0 var(--radius) var(--radius);
}

.app-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.app-logo svg { width: 28px; height: 28px; }

.nav-links {
  display: flex;
  gap: 0.5rem;
  list-style: none;
}

.nav-links a {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-xs);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.nav-links a:hover, .nav-links a.active {
  background: rgba(110, 130, 255, 0.1);
  color: var(--accent);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.3; }
h1 { font-size: 2rem; margin-bottom: 0.75rem; }
h2 { font-size: 1.5rem; margin-bottom: 0.5rem; }
h3 { font-size: 1.15rem; margin-bottom: 0.4rem; color: var(--text-secondary); }

.page-title {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.25rem;
}

.page-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 400;
  margin-bottom: 2rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--gradient-accent);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  box-shadow: 0 6px 28px rgba(110, 130, 255, 0.45);
  transform: translateY(-2px);
}

.btn-danger {
  border-color: rgba(240, 98, 146, 0.3);
  color: var(--danger);
}

.btn-danger:hover {
  background: var(--danger-bg);
  border-color: rgba(240, 98, 146, 0.5);
}

.btn-success {
  border-color: rgba(76, 218, 140, 0.3);
  color: var(--success);
}

.btn-success:hover {
  background: var(--success-bg);
}

.btn-sm { padding: 0.4rem 0.9rem; font-size: 0.82rem; border-radius: var(--radius-xs); }
.btn-icon { padding: 0.5rem; line-height: 1; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ---------- Forms ---------- */
.form-group { margin-bottom: 1.5rem; }

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: all var(--transition);
  outline: none;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: rgba(255, 255, 255, 0.1);
}

.form-input::placeholder, .form-textarea::placeholder {
  color: var(--text-muted);
}

.form-textarea { min-height: 140px; resize: vertical; }

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

.form-select option { background: var(--bg-secondary); color: var(--text-primary); }

/* ---------- Toggle Switch ---------- */
.toggle-group {
  display: flex;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.toggle-option {
  flex: 1;
  padding: 0.65rem 1rem;
  text-align: center;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
  border: none;
  background: transparent;
  font-family: var(--font);
}

.toggle-option.active {
  background: var(--gradient-accent);
  color: #fff;
}

.toggle-option:hover:not(.active) {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
}

/* ---------- Checkbox ---------- */
.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.checkbox-wrapper input[type="checkbox"] {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 1px solid var(--border-glass);
  background: var(--bg-input);
  appearance: none;
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.checkbox-wrapper input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}

.checkbox-wrapper input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
}

/* ---------- Switch (iOS style) ---------- */
.switch {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.switch input { opacity: 0; width: 0; height: 0; }

.switch .slider {
  position: absolute;
  inset: 0;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: 24px;
  cursor: pointer;
  transition: all var(--transition);
}

.switch .slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 2px;
  top: 2px;
  background: var(--text-secondary);
  border-radius: 50%;
  transition: all var(--transition);
}

.switch input:checked + .slider {
  background: var(--accent);
  border-color: var(--accent);
}

.switch input:checked + .slider::before {
  transform: translateX(20px);
  background: #fff;
}

/* ---------- Progress Bar ---------- */
.progress-container {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
  margin: 0.75rem 0;
}

.progress-bar {
  height: 100%;
  border-radius: 4px;
  background: var(--gradient-accent);
  transition: width 0.5s ease-out;
  position: relative;
}

.progress-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: progressShimmer 2s ease-in-out infinite;
}

@keyframes progressShimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.progress-text {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.progress-large .progress-container {
  height: 12px;
  border-radius: 6px;
}

/* ---------- Status Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.7rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-queued { background: rgba(255, 255, 255, 0.08); color: var(--text-secondary); }
.badge-discovering { background: var(--info-bg); color: var(--info); }
.badge-processing { background: var(--warning-bg); color: var(--warning); }
.badge-done, .badge-completed { background: var(--success-bg); color: var(--success); }
.badge-failed { background: var(--danger-bg); color: var(--danger); }
.badge-pending { background: rgba(255, 255, 255, 0.06); color: var(--text-muted); }
.badge-cancelled { background: rgba(255, 255, 255, 0.06); color: var(--text-muted); }
.badge-running { background: var(--info-bg); color: var(--info); }

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* ---------- Table ---------- */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

thead {
  background: rgba(255, 255, 255, 0.04);
  position: sticky;
  top: 0;
}

th {
  padding: 0.85rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-glass);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: color var(--transition-fast);
}

th:hover { color: var(--accent); }

th .sort-arrow {
  display: inline-block;
  margin-left: 0.4rem;
  font-size: 0.7rem;
  opacity: 0.4;
}

th.sorted .sort-arrow { opacity: 1; color: var(--accent); }

td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  vertical-align: middle;
}

tr {
  transition: background var(--transition-fast);
}

tbody tr:hover {
  background: rgba(110, 130, 255, 0.04);
}

tr.selected {
  background: rgba(110, 130, 255, 0.08) !important;
}

td.url-cell {
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------- Stats Row ---------- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  text-align: center;
  transition: all var(--transition);
}

.stat-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ---------- Toolbar ---------- */
.toolbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.toolbar .search-input {
  flex: 1;
  min-width: 200px;
  padding: 0.5rem 1rem;
  padding-left: 2.25rem;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xs);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.85rem;
  outline: none;
  transition: all var(--transition);
}

.toolbar .search-input:focus {
  border-color: var(--border-focus);
}

.search-wrapper {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.search-wrapper::before {
  content: '🔍';
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.85rem;
  opacity: 0.5;
}

/* ---------- Bulk Actions ---------- */
.bulk-actions {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  background: rgba(110, 130, 255, 0.08);
  border: 1px solid rgba(110, 130, 255, 0.2);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  animation: fadeSlideDown 0.2s ease-out;
}

.bulk-actions.visible { display: flex; }

.bulk-actions .count {
  font-weight: 600;
  color: var(--accent);
  margin-right: 0.5rem;
}

@keyframes fadeSlideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.modal-overlay.open { opacity: 1; visibility: visible; }

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 700px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform var(--transition);
}

.modal-overlay.open .modal { transform: translateY(0); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
  transition: color var(--transition-fast);
}

.modal-close:hover { color: var(--text-primary); }

/* ---------- Toast / Notification ---------- */
.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.25rem;
  min-width: 300px;
  max-width: 450px;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.3s ease-out, toastOut 0.3s ease-in 4.7s forwards;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--info); }
.toast.warning { border-left: 3px solid var(--warning); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
  from { opacity: 1; }
  to { opacity: 0; transform: translateY(-10px); }
}

/* ---------- Markdown Preview ---------- */
.markdown-preview {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  max-height: 500px;
  overflow-y: auto;
  font-size: 0.9rem;
  line-height: 1.7;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: 'Menlo', 'Consolas', monospace;
  color: var(--text-secondary);
}

/* ---------- Section Dividers ---------- */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-glass);
}

/* ---------- Options Panel ---------- */
.options-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.15);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
  margin-bottom: 1.5rem;
}

.option-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.option-item label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
}

/* ---------- Empty State ---------- */
.empty-state {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--text-muted);
}

.empty-state .icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-state h3 { color: var(--text-secondary); margin-bottom: 0.5rem; }

/* ---------- Loading Spinner ---------- */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.spinner-lg { width: 40px; height: 40px; border-width: 3px; }

.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  gap: 1rem;
  color: var(--text-secondary);
}

/* ---------- Global Files Section ---------- */
.global-files-section {
  background: rgba(110, 130, 255, 0.05);
  border: 1px solid rgba(110, 130, 255, 0.15);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.global-files-section h3 {
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.global-file-list {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.global-file-chip {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  background: rgba(110, 130, 255, 0.1);
  border: 1px solid rgba(110, 130, 255, 0.2);
  border-radius: 20px;
  font-size: 0.82rem;
  color: var(--accent);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.global-file-chip:hover {
  background: rgba(110, 130, 255, 0.18);
  transform: scale(1.03);
}

/* ---------- Tab Group (mode selector) ---------- */
.mode-tabs {
  display: flex;
  gap: 2px;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  padding: 4px;
  border: 1px solid var(--border-glass);
  margin-bottom: 1.5rem;
}

.mode-tab {
  flex: 1;
  padding: 0.7rem 1rem;
  text-align: center;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-xs);
  transition: all var(--transition);
}

.mode-tab.active {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 2px 12px var(--accent-glow);
}

.mode-tab:hover:not(.active) {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.2); }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .app-container { padding: 1rem; }
  .glass-card { padding: 1.25rem; }
  h1 { font-size: 1.5rem; }
  .page-title { font-size: 1.5rem; }
  
  .app-header {
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem;
  }
  
  .nav-links {
    width: 100%;
    justify-content: center;
  }
  
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  
  .toolbar { flex-direction: column; align-items: stretch; }
  
  .options-panel { grid-template-columns: 1fr; }
  
  table { font-size: 0.8rem; }
  th, td { padding: 0.5rem 0.6rem; }
}

@media (max-width: 480px) {
  .stats-row { grid-template-columns: 1fr; }
  .mode-tabs { flex-direction: column; }
}

/* ---------- Utility ---------- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: 0.5rem; }
.gap-md { gap: 1rem; }
.gap-lg { gap: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: 1rem; }
.text-sm { font-size: 0.82rem; }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.hidden { display: none !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }