/* ============================================================
   MARKET AI DASHBOARD - Premium Dark Theme
   ============================================================ */

:root {
  --bg-primary: #0a0f1e;
  --bg-secondary: #111827;
  --bg-card: #1a2236;
  --bg-card-hover: #1f2a42;
  --bg-sidebar: #0d1321;
  --border: rgba(255, 255, 255, 0.06);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-blue: #3b82f6;
  --accent-blue-light: #60a5fa;
  --accent-green: #10b981;
  --accent-green-light: #34d399;
  --accent-red: #ef4444;
  --accent-red-light: #f87171;
  --accent-amber: #f59e0b;
  --accent-amber-light: #fbbf24;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  display: flex;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ============================================================
   SIDEBAR
   ============================================================ */

#sidebar {
  width: 260px;
  min-height: 100vh;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 100;
}

.sidebar-header {
  padding: 28px 24px 20px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.sidebar-header .logo {
  width: 160px;
  margin-bottom: 12px;
  opacity: 0.95;
}

.sidebar-header h2 {
  font-size: 20px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-blue-light), var(--accent-green-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.3px;
}

.sidebar-header .subtitle {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.sidebar-section {
  padding: 20px 20px 12px;
}

.sidebar-label {
  display: block;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 8px;
}

.dropdown {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  appearance: none;
  -webkit-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='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

.dropdown:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.nav-menu {
  list-style: none;
  padding: 8px 12px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  margin-bottom: 2px;
}

.nav-item:hover {
  background: rgba(59, 130, 246, 0.08);
  color: var(--text-primary);
}

.nav-item.active {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(16, 185, 129, 0.08));
  color: var(--accent-blue-light);
  font-weight: 600;
}

.nav-icon { font-size: 16px; }

.sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot-live {
  width: 7px;
  height: 7px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
  50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */

#main-content {
  flex: 1;
  margin-left: 260px;
  padding: 32px 36px;
  min-height: 100vh;
}

.page { display: none; animation: fadeIn 0.3s ease; }
.page.active { display: block; }

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

.page-header { margin-bottom: 28px; }
.page-header h1 { font-size: 26px; font-weight: 800; letter-spacing: -0.5px; }
.page-subtitle { font-size: 14px; color: var(--text-secondary); margin-top: 6px; }
.page-subtitle strong { color: var(--accent-blue-light); }

.update-time {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* ============================================================
   KPI CARDS
   ============================================================ */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 10px;
}

.kpi-grid-3 { grid-template-columns: repeat(3, 1fr); }

.kpi-card {
  background: var(--bg-card);
  padding: 22px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
  opacity: 0;
  transition: var(--transition);
}

.kpi-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(59, 130, 246, 0.2);
}

.kpi-card:hover::before { opacity: 1; }

.kpi-value {
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 8px;
}

.kpi-value.blue { color: var(--accent-blue-light); }
.kpi-value.red { color: var(--accent-red-light); }
.kpi-value.green { color: var(--accent-green-light); }
.kpi-value.amber { color: var(--accent-amber-light); }

.kpi-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.2px;
}

/* ============================================================
   CARDS & CHARTS
   ============================================================ */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}

.card h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.charts-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

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

.chart-card h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.chart-card canvas { max-height: 320px; }

.donut-legend {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-secondary);
}

/* ============================================================
   TABLES
   ============================================================ */

.table-wrapper { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 13px;
}

th {
  background: rgba(59, 130, 246, 0.08);
  color: var(--accent-blue-light);
  padding: 12px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: sticky;
  top: 0;
  white-space: nowrap;
}

td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tr:hover td { background: var(--bg-card-hover); }

.status-cheaper { color: var(--accent-red-light); font-weight: 600; }
.status-expensive { color: var(--accent-green-light); font-weight: 600; }
.status-equal { color: var(--text-muted); }

.table-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.table-controls .dropdown { width: auto; min-width: 180px; }

.search-input {
  padding: 10px 14px;
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13px;
  min-width: 200px;
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

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

.table-count { font-size: 12px; color: var(--text-muted); margin-top: 12px; }

/* ============================================================
   TLD BADGES
   ============================================================ */

.tld-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.tld-card-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.badge-container { display: flex; flex-wrap: wrap; gap: 6px; }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  transition: var(--transition);
}

.badge:hover { transform: scale(1.05); }

.badge-green { background: rgba(16, 185, 129, 0.15); color: var(--accent-green-light); border: 1px solid rgba(16, 185, 129, 0.2); }
.badge-red { background: rgba(239, 68, 68, 0.12); color: var(--accent-red-light); border: 1px solid rgba(239, 68, 68, 0.2); }
.badge-gray { background: rgba(100, 116, 139, 0.12); color: var(--text-secondary); border: 1px solid rgba(100, 116, 139, 0.15); }

.badge-empty {
  padding: 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  width: 100%;
}

/* ============================================================
   SCREENSHOTS
   ============================================================ */

.screenshots-filter { margin-bottom: 20px; }
.screenshots-filter .dropdown { width: auto; min-width: 200px; }

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 20px;
}

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

.screenshot-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.screenshot-item img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
}

.screenshot-info {
  padding: 14px 16px;
  font-size: 12px;
  color: var(--text-secondary);
}

.screenshot-info strong { color: var(--text-primary); font-size: 13px; }

.screenshot-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px;
  color: var(--text-muted);
}

/* ============================================================
   SETTINGS
   ============================================================ */

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

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

.toggle-label { font-size: 14px; font-weight: 500; }
.toggle-sub { font-size: 11px; color: var(--text-muted); }

.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
}

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

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background: #374151;
  border-radius: 24px;
  transition: var(--transition);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: var(--transition);
}

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

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.info-item {
  background: var(--bg-secondary);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.info-item .info-label { font-size: 11px; color: var(--text-muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
.info-item .info-value { font-weight: 600; color: var(--text-primary); }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1200px) {
  .charts-row { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .page-header-top { flex-direction: column; gap: 12px; }
}

@media (max-width: 768px) {
  #sidebar { width: 220px; }
  #main-content { margin-left: 220px; padding: 20px; }
  .tld-columns { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .action-buttons { flex-direction: column; }
}

/* ============================================================
   ACTION BUTTONS (Header)
   ============================================================ */

.page-header-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.action-buttons {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), #2563eb);
  color: white;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4); }

.btn-secondary {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: white;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}
.btn-secondary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4); }

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.btn .spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ============================================================
   METRIC SELECTOR
   ============================================================ */

.metric-selector-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding: 8px 14px;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: var(--radius-sm);
}

.metric-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-blue-light);
  white-space: nowrap;
}

.metric-dropdown {
  min-width: 200px;
  font-weight: 600;
}

.kpi-sublabel {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: -8px;
  margin-bottom: 8px;
  font-style: italic;
}

/* ============================================================
   KPI HOVER TOOLTIP
   ============================================================ */

.kpi-hoverable {
  position: relative;
  cursor: pointer;
}

.kpi-hoverable:hover {
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-2px);
}

.kpi-tooltip {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  min-width: 280px;
  max-width: 360px;
  margin-top: 8px;
  padding: 14px 16px;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-primary);
}

.kpi-hoverable:hover .kpi-tooltip {
  display: block;
  animation: tooltipFadeIn 0.2s ease;
}

@keyframes tooltipFadeIn {
  from { opacity: 0; transform: translateX(-50%) translateY(4px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.kpi-tooltip .tooltip-title {
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.kpi-tooltip .tooltip-row {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
}

.kpi-tooltip .tooltip-tld { font-weight: 600; color: var(--accent-blue-light); }
.kpi-tooltip .tooltip-diff-neg { color: var(--accent-red-light); font-weight: 600; }
.kpi-tooltip .tooltip-diff-pos { color: var(--accent-green-light); font-weight: 600; }

/* ============================================================
   TOAST NOTIFICATION
   ============================================================ */

.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 9999;
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  color: white;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.toast.success { background: linear-gradient(135deg, #10b981, #059669); }
.toast.error { background: linear-gradient(135deg, #ef4444, #dc2626); }
.toast.info { background: linear-gradient(135deg, #3b82f6, #2563eb); }