/* ============================================
   TrendDrop — App/Dashboard Styles
   ============================================ */

/* === Variables (shared) === */
:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a2332;
  --bg-card-hover: #1f2b3d;
  --bg-input: #0f1623;
  --border-color: #1e293b;
  --border-hover: #334155;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-light: rgba(59, 130, 246, 0.1);
  --accent: #06b6d4;
  --accent-light: rgba(6, 182, 212, 0.1);
  --success: #10b981;
  --success-light: rgba(16, 185, 129, 0.1);
  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.1);
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.1);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --sidebar-width: 260px;
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

/* === App Layout === */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* === Sidebar === */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: var(--transition);
}

.sidebar-header {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
}

.sidebar-brand .logo-icon {
  width: 34px;
  height: 34px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}

.sidebar-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 8px 12px 6px;
  margin-top: 8px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  transition: var(--transition);
  margin-bottom: 2px;
}

.sidebar-link:hover {
  background: var(--primary-light);
  color: var(--text-primary);
}

.sidebar-link.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

.sidebar-link .icon {
  width: 20px;
  text-align: center;
  font-size: 1.1rem;
}

.sidebar-link .badge-count {
  margin-left: auto;
  background: var(--primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 100px;
}

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--border-color);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.sidebar-user:hover {
  background: rgba(255,255,255,0.05);
}

.sidebar-user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

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

.sidebar-user-name {
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-plan {
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 600;
}

/* === Main Content === */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
}

/* === Top Bar === */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-title {
  font-size: 1.35rem;
  font-weight: 700;
}

.topbar-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  min-width: 240px;
  transition: var(--transition);
}

.topbar-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.topbar-search input {
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  width: 100%;
}

.topbar-search input::placeholder {
  color: var(--text-muted);
}

.topbar-search .search-icon {
  color: var(--text-muted);
}

.topbar-icon-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  font-size: 1.1rem;
}

.topbar-icon-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.topbar-icon-btn .dot {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  background: var(--danger);
  border-radius: 50%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* === Page Content === */
.page-content {
  padding: 32px;
}

/* === Cards Grid === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
}

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

.stat-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.stat-card-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.stat-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.stat-card-icon.blue { background: var(--primary-light); color: var(--primary); }
.stat-card-icon.green { background: var(--success-light); color: var(--success); }
.stat-card-icon.yellow { background: var(--warning-light); color: var(--warning); }
.stat-card-icon.cyan { background: var(--accent-light); color: var(--accent); }
.stat-card-icon.red { background: var(--danger-light); color: var(--danger); }

.stat-card-value {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.stat-card-change {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  font-weight: 600;
}

.stat-card-change.up { color: var(--success); }
.stat-card-change.down { color: var(--danger); }

/* === Charts Area === */
.charts-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
  margin-bottom: 32px;
}

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.chart-header h3 {
  font-size: 1.05rem;
  font-weight: 600;
}

.chart-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  padding: 3px;
}

.chart-tab {
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 6px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
}

.chart-tab.active {
  background: var(--primary);
  color: #fff;
}

.chart-tab:hover:not(.active) {
  color: var(--text-primary);
}

.chart-body {
  position: relative;
  height: 260px;
}

/* Canvas chart */
.chart-canvas {
  width: 100%;
  height: 100%;
}

/* Simple bar chart */
.bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  height: 100%;
  padding-top: 20px;
}

.bar-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.bar {
  width: 100%;
  max-width: 48px;
  background: var(--gradient-primary);
  border-radius: 6px 6px 0 0;
  transition: var(--transition);
  position: relative;
  min-height: 8px;
}

.bar:hover {
  opacity: 0.8;
}

.bar-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Donut chart placeholder */
.donut-chart {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.donut-wrapper {
  position: relative;
  width: 180px;
  height: 180px;
}

.donut-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.donut-segment {
  fill: none;
  stroke-width: 20;
  transition: var(--transition);
}

.donut-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.donut-center .value {
  font-size: 1.5rem;
  font-weight: 800;
}

.donut-center .label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.donut-legend {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 20px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* === Tables === */
.data-table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.table-header h3 {
  font-size: 1.05rem;
  font-weight: 600;
}

.table-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  padding: 14px 24px;
  text-align: left;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  background: rgba(255,255,255,0.02);
}

.data-table td {
  padding: 16px 24px;
  font-size: 0.92rem;
  border-bottom: 1px solid var(--border-color);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background: rgba(255,255,255,0.02);
}

/* === Product cards === */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.product-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.product-image {
  width: 100%;
  height: 200px;
  background: var(--bg-input);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 3rem;
  position: relative;
}

.product-image .trend-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--success);
  color: #fff;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
}

.product-body {
  padding: 20px;
}

.product-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}

.product-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.product-stat .label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.product-stat .value {
  font-size: 0.95rem;
  font-weight: 700;
}

.product-stat .value.green { color: var(--success); }
.product-stat .value.blue { color: var(--primary); }
.product-stat .value.yellow { color: var(--warning); }

.product-actions {
  display: flex;
  gap: 8px;
}

.product-actions .btn {
  flex: 1;
  padding: 10px;
  font-size: 0.85rem;
}

/* === Score bar === */
.score-bar {
  height: 6px;
  background: var(--bg-input);
  border-radius: 100px;
  overflow: hidden;
  margin-top: 4px;
}

.score-bar-fill {
  height: 100%;
  border-radius: 100px;
  background: var(--gradient-primary);
  transition: width 0.5s ease;
}

/* === Ad cards === */
.ads-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.ad-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.ad-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.ad-video {
  width: 100%;
  height: 220px;
  background: var(--bg-input);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
}

.ad-video .play-btn {
  width: 60px;
  height: 60px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: var(--transition);
}

.ad-video:hover .play-btn {
  background: var(--primary);
  transform: scale(1.1);
}

.ad-platform {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
}

.ad-platform.tiktok {
  background: rgba(0, 0, 0, 0.6);
  color: #fe2c55;
}

.ad-platform.facebook {
  background: rgba(0, 0, 0, 0.6);
  color: #1877f2;
}

.ad-body {
  padding: 20px;
}

.ad-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.ad-metrics {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.ad-metric {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ad-metric .label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.ad-metric .value {
  font-size: 0.9rem;
  font-weight: 700;
}

/* === Filters Bar === */
.filters-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.filter-select {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.filter-select:focus {
  outline: none;
  border-color: var(--primary);
}

.filter-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  flex: 1;
  max-width: 300px;
}

.filter-search input {
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  width: 100%;
}

.filter-search input::placeholder {
  color: var(--text-muted);
}

/* === Buttons (App) === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.82rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-sm);
}

.btn-success {
  background: var(--success);
  color: #fff;
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

/* === Trends === */
.trends-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.trend-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
}

.trend-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.trend-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.trend-rank {
  width: 32px;
  height: 32px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
}

.trend-change {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  font-weight: 600;
}

.trend-change.up { color: var(--success); }
.trend-change.down { color: var(--danger); }

.trend-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.trend-category {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.trend-mini-chart {
  height: 60px;
  display: flex;
  align-items: flex-end;
  gap: 3px;
}

.trend-mini-bar {
  flex: 1;
  background: var(--primary);
  border-radius: 2px;
  opacity: 0.6;
  transition: var(--transition);
}

.trend-mini-bar:hover {
  opacity: 1;
}

/* === AI Store === */
.ai-store-hero {
  text-align: center;
  padding: 60px 0;
}

.ai-store-hero h2 {
  font-size: 2rem;
  margin-bottom: 12px;
}

.ai-store-hero p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto 32px;
}

.ai-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto 48px;
}

.ai-step {
  text-align: center;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.ai-step .step-num {
  width: 40px;
  height: 40px;
  margin: 0 auto 12px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.ai-step h4 {
  margin-bottom: 8px;
  font-size: 1rem;
}

.ai-step p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* AI Generation Modal */
.ai-modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.ai-modal-overlay.active {
  display: flex;
}

.ai-modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 500px;
  width: 90%;
  text-align: center;
}

.ai-progress {
  margin: 32px 0;
}

.ai-progress-bar {
  height: 8px;
  background: var(--bg-input);
  border-radius: 100px;
  overflow: hidden;
  margin-bottom: 12px;
}

.ai-progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 100px;
  width: 0%;
  transition: width 0.5s ease;
}

.ai-progress-text {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.ai-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  margin: 0 auto 16px;
  animation: spin 1s linear infinite;
}

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

/* === Settings === */
.settings-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
}

.settings-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.settings-nav-link {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.settings-nav-link:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
}

.settings-nav-link.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

.settings-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
}

.settings-section {
  margin-bottom: 32px;
}

.settings-section:last-child {
  margin-bottom: 0;
}

.settings-section h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.settings-section p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Toggle */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-color);
}

.toggle-row:last-child {
  border-bottom: none;
}

.toggle-info h5 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.toggle-info span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.toggle {
  width: 44px;
  height: 24px;
  background: var(--border-color);
  border-radius: 100px;
  position: relative;
  cursor: pointer;
  transition: var(--transition);
}

.toggle.active {
  background: var(--primary);
}

.toggle::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: #fff;
  border-radius: 50%;
  transition: var(--transition);
}

.toggle.active::after {
  left: 23px;
}

/* === Login Page === */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  position: relative;
}

.login-page::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.login-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  padding: 0 24px;
}

.login-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 40px;
}

.login-brand .logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.login-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 28px;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  padding: 3px;
}

.login-tab {
  flex: 1;
  padding: 10px;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 6px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
}

.login-tab.active {
  background: var(--primary);
  color: #fff;
}

.login-form .form-group {
  margin-bottom: 16px;
}

.login-form .btn-primary {
  width: 100%;
  padding: 14px;
  font-size: 1rem;
  margin-top: 8px;
}

.login-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.login-divider span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.login-social {
  display: flex;
  gap: 12px;
}

.login-social .btn {
  flex: 1;
}

.login-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.login-footer a {
  color: var(--primary);
  font-weight: 600;
}

/* === Notifications / Toast === */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 9999;
  box-shadow: var(--shadow-lg);
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.info { border-left: 4px solid var(--primary); }

/* === Empty state === */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}

.empty-state .icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.3;
}

.empty-state h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* === Responsive === */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .charts-grid {
    grid-template-columns: 1fr;
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }

  .ai-steps {
    grid-template-columns: 1fr;
    max-width: 400px;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .mobile-menu-btn {
    display: block;
  }

  .topbar {
    padding: 12px 16px;
  }

  .topbar-search {
    display: none;
  }

  .page-content {
    padding: 20px 16px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .products-grid,
  .ads-grid,
  .trends-grid {
    grid-template-columns: 1fr;
  }

  .filters-bar {
    flex-direction: column;
  }

  .filter-search {
    max-width: 100%;
    width: 100%;
  }

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

/* === Scrollbar === */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 100px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}