:root {
  --bg-primary: #09090b;
  --bg-secondary: #18181b;
  --bg-accent: #27272a;
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --color-primary: #3b82f6;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --border-color: #3f3f46;
  --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius-md: 12px;
  --radius-lg: 16px;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Navigation */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 72px;
  background: rgba(24, 24, 27, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
  padding: 8px 0;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Context Header */
.context-header {
  padding: 24px 40px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.context-info {
  display: flex;
  align-items: center;
  gap: 24px;
}

.context-item {
  display: flex;
  flex-direction: column;
}

.context-label {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.context-value {
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-blue { background: rgba(59, 130, 246, 0.1); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.2); }
.badge-green { background: rgba(16, 185, 129, 0.1); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.2); }

/* Main Content */
.main-content {
  padding: 40px;
  max-width: 1600px;
  margin: 0 auto;
}

.insights-grid {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.kpi-column {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
  border-color: #52525b;
}

.kpi-card {
  display: flex;
  flex-direction: column;
}

.kpi-title {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.kpi-value {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 4px;
}

.kpi-trend {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 600;
}

.trend-up { color: var(--color-success); }
.trend-down { color: #ef4444; }

/* Insight Carousel */
.carousel-card {
  background: var(--gradient-primary);
  border: none;
  position: relative;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 48px;
}

.carousel-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 86c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zm66-3c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zm-46-45c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zm13-24c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.1' fill-rule='evenodd'/%3E%3C/svg%3E");
}

.carousel-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
}

.carousel-tag {
  background: rgba(255, 255, 255, 0.2);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 24px;
  display: inline-block;
}

.carousel-title {
  font-size: 36px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.carousel-desc {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 32px;
}

.carousel-nav {
  display: flex;
  gap: 12px;
  position: absolute;
  bottom: 40px;
  right: 40px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
}

.carousel-dot.active {
  background: white;
  width: 24px;
  border-radius: 4px;
}

/* Lower Section */
.analytics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
}

.chart-container {
  margin-top: 20px;
}

.bar-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.bar-label {
  width: 100px;
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bar-wrapper {
  flex-grow: 1;
  height: 12px;
  background: var(--bg-accent);
  border-radius: 6px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: 6px;
}

.bar-value {
  width: 60px;
  text-align: right;
  font-size: 12px;
  font-weight: 600;
}

.product-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.product-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px;
  background: var(--bg-accent);
  border-radius: var(--radius-md);
}

.product-name {
  font-size: 14px;
  font-weight: 500;
}

.product-rank {
  font-size: 11px;
  color: var(--text-muted);
}

.insight-panel-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.insight-item {
  display: flex;
  gap: 12px;
}

.insight-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--bg-accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.insight-text h5 {
  font-size: 14px;
  margin-bottom: 2px;
}

.insight-text p {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Placeholders */
.placeholder-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-primary);
}

.placeholder-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}