/* =============================================
   Kolang - Sejong Korean | Global Styles
   Glassmorphism Design System
   ============================================= */

:root {
  --primary: #6C63FF;
  --primary-light: #8B83FF;
  --secondary: #FF6584;
  --accent: #43E97B;
  --bg-dark: #0D0D1A;
  --bg-card: rgba(255, 255, 255, 0.07);
  --bg-card-hover: rgba(255, 255, 255, 0.12);
  --border-glass: rgba(255, 255, 255, 0.15);
  --text-primary: #FFFFFF;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.45);
  --blur: blur(16px);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(108, 99, 255, 0.25) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(67, 233, 123, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 70% 70% at 50% 50%, rgba(255, 101, 132, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

body > * { position: relative; z-index: 1; }

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

.glass-hover {
  transition: var(--transition);
  cursor: pointer;
}
.glass-hover:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
  border-color: rgba(255, 255, 255, 0.25);
}

/* ─── Notice Banner ──────────────────────────── */
.notice-banner {
  background: linear-gradient(135deg, var(--primary), #9B59B6);
  color: #fff;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 500;
}
.notice-banner.hidden { display: none; }
.notice-banner .close-btn { background: none; border: none; color: #fff; cursor: pointer; font-size: 18px; opacity: 0.8; }
.notice-banner .close-btn:hover { opacity: 1; }

/* ─── Header ────────────────────────────────── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: rgba(13, 13, 26, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header .logo {
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
  white-space: nowrap;
}
.header .nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ─── Buttons ────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), #9B59B6);
  color: #fff;
  box-shadow: 0 4px 20px rgba(108, 99, 255, 0.4);
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-2px); box-shadow: 0 8px 28px rgba(108, 99, 255, 0.5); }
.btn-ghost {
  background: rgba(255,255,255,0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}
.btn-ghost:hover { background: rgba(255,255,255,0.14); }
.btn-danger { background: rgba(239, 68, 68, 0.2); color: #FC8181; border: 1px solid rgba(239,68,68,0.3); }
.btn-danger:hover { background: rgba(239, 68, 68, 0.35); }
.btn-sm { padding: 6px 14px; font-size: 12px; }
.btn-icon { padding: 8px; border-radius: 50%; width: 36px; height: 36px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ─── Language Selector ──────────────────────── */
.lang-selector {
  display: flex;
  gap: 4px;
}
.lang-btn {
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border-glass);
  background: transparent;
  color: var(--text-secondary);
  transition: var(--transition);
}
.lang-btn.active, .lang-btn:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ─── Menu Tabs ──────────────────────────────── */
.menu-tabs {
  display: flex;
  gap: 8px;
  padding: 16px 24px 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.menu-tabs::-webkit-scrollbar { display: none; }
.menu-tab {
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border-glass);
  background: transparent;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: var(--transition);
  flex-shrink: 0;
}
.menu-tab:hover { color: var(--text-primary); border-color: rgba(255,255,255,0.3); }
.menu-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.sub-tabs {
  display: flex;
  gap: 6px;
  padding: 10px 24px;
  overflow-x: auto;
  scrollbar-width: none;
  border-bottom: 1px solid var(--border-glass);
}
.sub-tabs::-webkit-scrollbar { display: none; }
.sub-tab {
  padding: 5px 14px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border-glass);
  background: transparent;
  color: var(--text-muted);
  white-space: nowrap;
  transition: var(--transition);
  flex-shrink: 0;
}
.sub-tab:hover { color: var(--text-primary); }
.sub-tab.active { background: rgba(108,99,255,0.25); color: var(--primary-light); border-color: var(--primary); }

/* ─── Search Bar ─────────────────────────────── */
.search-bar {
  display: flex;
  gap: 12px;
  padding: 16px 24px;
  align-items: center;
  flex-wrap: wrap;
}
.search-input-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
}
.search-input-wrap .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 16px;
  pointer-events: none;
}
.search-input {
  width: 100%;
  padding: 10px 14px 10px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: var(--transition);
  backdrop-filter: var(--blur);
}
.search-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(108,99,255,0.2); }
.search-input::placeholder { color: var(--text-muted); }

.filter-btns { display: flex; gap: 6px; }
.filter-btn {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border-glass);
  background: transparent;
  color: var(--text-secondary);
  transition: var(--transition);
}
.filter-btn:hover { border-color: rgba(255,255,255,0.3); color: var(--text-primary); }
.filter-btn.active { background: rgba(108,99,255,0.2); color: var(--primary-light); border-color: var(--primary); }

/* ─── Content Grid ───────────────────────────── */
.content-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 20px;
  padding: 20px 24px;
}
@media (min-width: 640px) {
  .content-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .content-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1400px) {
  .content-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ─── Content Card ───────────────────────────── */
.content-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}
.content-card .thumbnail-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 12px 12px 0 0;
  background: rgba(255,255,255,0.05);
}
.content-card .thumbnail-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.content-card:hover .thumbnail-wrap img { transform: scale(1.05); }

.content-card .thumbnail-wrap .thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  background: linear-gradient(135deg, rgba(108,99,255,0.3), rgba(67,233,123,0.15));
}

.content-card .lock-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px 12px 0 0;
  backdrop-filter: blur(2px);
}
.lock-overlay .lock-icon { font-size: 36px; color: rgba(255,255,255,0.8); }

.badge-level {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 700;
  background: rgba(0,0,0,0.6);
  color: var(--accent);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(67,233,123,0.4);
}
.badge-sample {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 700;
  background: rgba(108,99,255,0.8);
  color: #fff;
  backdrop-filter: blur(8px);
}
.badge-completed {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 700;
  background: rgba(67,233,123,0.8);
  color: #000;
}

.bookmark-btn {
  position: absolute;
  bottom: 10px;
  right: 10px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0,0,0,0.6);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}
.bookmark-btn:hover, .bookmark-btn.active { color: #FBBF24; border-color: #FBBF24; }

.card-body {
  padding: 14px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.card-title {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
}
.card-type-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}
.type-ebook { background: rgba(59, 130, 246, 0.2); color: #93C5FD; }
.type-video { background: rgba(239, 68, 68, 0.2); color: #FCA5A5; }

.progress-bar-wrap { margin-top: auto; }
.progress-bar {
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  transition: width 0.5s ease;
}
.progress-text {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
  text-align: right;
}

/* ─── Loading & Empty ────────────────────────── */
.spinner {
  width: 40px; height: 40px;
  border: 3px solid rgba(255,255,255,0.1);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-container { display: flex; justify-content: center; padding: 40px; }
.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 56px; margin-bottom: 16px; }
.empty-state h3 { font-size: 18px; color: var(--text-secondary); margin-bottom: 8px; }

/* ─── Modal ──────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
  overflow: hidden;
}
.modal-overlay.hidden { display: none; }
.modal {
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 28px;
  box-sizing: border-box;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.modal-title { font-size: 18px; font-weight: 700; }
.modal-close { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 22px; }

/* ─── Form Elements ──────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-label { font-size: 13px; font-weight: 600; color: var(--text-secondary); }
.form-input, .form-select, .form-textarea {
  padding: 10px 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: var(--transition);
  width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.2);
}
.form-select option { background: #1A1A2E; color: var(--text-primary); }
.form-textarea { resize: vertical; min-height: 80px; }
.form-input::placeholder { color: var(--text-muted); }
.form-error { font-size: 12px; color: #FC8181; }

/* ─── Toggle ─────────────────────────────────── */
.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  cursor: pointer;
}
.toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  border-radius: 50px;
  transition: var(--transition);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  transition: var(--transition);
}
.toggle input:checked + .toggle-slider { background: var(--primary); }
.toggle input:checked + .toggle-slider::before { left: calc(100% - 20px); }

/* ─── Table ──────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--radius); }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th {
  text-align: left;
  padding: 12px 16px;
  background: rgba(255,255,255,0.05);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 12px;
  white-space: nowrap;
  border-bottom: 1px solid var(--border-glass);
}
.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  color: var(--text-secondary);
  vertical-align: middle;
}
.data-table tr:hover td { background: rgba(255,255,255,0.03); }
.data-table .code-cell { font-family: 'Courier New', monospace; font-weight: 700; color: var(--primary-light); letter-spacing: 1px; }
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 600;
}
.status-active { background: rgba(67,233,123,0.15); color: #6EE7B7; }
.status-blocked { background: rgba(239,68,68,0.15); color: #FCA5A5; }
.status-expired { background: rgba(251,191,36,0.15); color: #FCD34D; }
.role-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
}
.role-admin { background: rgba(239,68,68,0.2); color: #FCA5A5; }
.role-operator { background: rgba(251,191,36,0.2); color: #FCD34D; }
.role-member { background: rgba(108,99,255,0.2); color: var(--primary-light); }
.role-guest { background: rgba(255,255,255,0.1); color: var(--text-muted); }

/* ─── Pagination ─────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 20px;
}
.page-btn {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-btn:hover { border-color: var(--primary); color: var(--primary-light); }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn:disabled { opacity: 0.35; cursor: not-allowed; }

/* ─── Admin Tabs ─────────────────────────────── */
.admin-tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  overflow-x: auto;
  scrollbar-width: none;
}
.admin-tab {
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--text-muted);
  white-space: nowrap;
  transition: var(--transition);
  flex-shrink: 0;
}
.admin-tab:hover { color: var(--text-primary); }
.admin-tab.active { background: var(--primary); color: #fff; }

/* ─── Toast Notification ─────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  animation: slideIn 0.3s ease;
  min-width: 280px;
  max-width: 400px;
  backdrop-filter: blur(16px);
}
@keyframes slideIn {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}
.toast-success { background: rgba(67,233,123,0.2); border: 1px solid rgba(67,233,123,0.4); color: #6EE7B7; }
.toast-error { background: rgba(239,68,68,0.2); border: 1px solid rgba(239,68,68,0.4); color: #FCA5A5; }
.toast-info { background: rgba(108,99,255,0.2); border: 1px solid rgba(108,99,255,0.4); color: var(--primary-light); }
.toast-icon { font-size: 18px; flex-shrink: 0; }

/* ─── Viewer Page ────────────────────────────── */
.viewer-container {
  height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
}
.viewer-frame {
  flex: 1;
  width: 100%;
  border: none;
}
.viewer-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: rgba(13,13,26,0.95);
  border-top: 1px solid var(--border-glass);
  gap: 12px;
  flex-wrap: wrap;
}
.rotate-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  color: #fff;
  text-align: center;
  padding: 24px;
}
.rotate-overlay .rotate-icon { font-size: 64px; animation: rotateAnim 2s ease-in-out infinite; }
@keyframes rotateAnim { 0%,100% { transform: rotate(0deg); } 50% { transform: rotate(90deg); } }
@media (orientation: portrait) and (max-width: 768px) {
  .viewer-container.ebook-mode .rotate-overlay { display: flex; }
}

/* ─── Login Page ─────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 440px;
  padding: 40px;
}
.login-logo {
  text-align: center;
  margin-bottom: 8px;
}
.login-logo .logo-text {
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.login-logo .logo-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}
.code-input {
  font-family: 'Courier New', monospace;
  font-size: 22px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 4px;
  text-transform: uppercase;
  padding: 16px;
  background: rgba(255,255,255,0.06);
  border: 2px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  width: 100%;
  outline: none;
  transition: var(--transition);
}
.code-input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(108,99,255,0.2); }
.code-input::placeholder { font-size: 14px; letter-spacing: normal; color: var(--text-muted); }
.error-message {
  display: none;
  padding: 12px 14px;
  background: rgba(239,68,68,0.12);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: var(--radius-sm);
  color: #FCA5A5;
  font-size: 13px;
  margin-top: 12px;
  text-align: center;
}
.error-message.show { display: block; }

/* ─── Stats Charts ───────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 20px;
}
@media (min-width: 768px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
.stat-card { padding: 20px; }
.stat-card h3 { font-size: 14px; color: var(--text-muted); margin-bottom: 16px; }
.stat-number { font-size: 36px; font-weight: 800; color: var(--primary-light); }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ─── Scrollbar ──────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.25); }

/* ─── Utility ────────────────────────────────── */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 13px; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.p-6 { padding: 24px; }
.fw-bold { font-weight: 700; }
.page-title { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.page-subtitle { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; }