/* Analytics specific styles for epc-analytics.html */

/* Energy class colors */
:root {
  --energy-a-plus: #059669;
  --energy-a: #10b981;
  --energy-b: #84cc16;
  --energy-c: #eab308;
  --energy-d: #f59e0b;
  --energy-e: #f97316;
  --energy-f: #ef4444;
  --energy-g: #dc2626;
}

/* Main Layout */
.analytics-container {
  margin-top: 72px;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding: var(--space-6);
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--space-6);
  min-height: calc(100vh - 72px);
}

.analytics-hero {
  max-width: 1400px;
  margin: 120px auto var(--space-8);
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: var(--space-6);
  align-items: stretch;
}

.hero-copy {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--space-5);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
}

.hero-eyebrow {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--brand-primary);
  margin-bottom: var(--space-3);
}

.hero-copy h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.hero-description {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.6;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.hero-meta-item {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--space-3);
  background: rgba(139, 92, 246, 0.15);
  color: var(--brand-primary);
  font-weight: 600;
}

.hero-preview .preview-card {
  height: 100%;
  border-radius: var(--space-5);
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.2), rgba(17, 24, 39, 0.92));
  border: 1px solid rgba(99, 102, 241, 0.4);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.preview-label {
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.7);
}

.preview-card h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin: var(--space-4) 0;
  color: white;
}

.preview-description {
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
}

/* Filters Sidebar - Liquid Glass */
.filters-sidebar {
  background: 
    linear-gradient(160deg, rgba(255,255,255,0.85) 0%, rgba(255,255,255,0.5) 55%, rgba(255,255,255,0.35) 100%) padding-box,
    radial-gradient(circle at 25% 10%, rgba(139,92,246,0.25), transparent 60%) border-box;
  border: 1px solid rgba(255,255,255,0.6);
  box-shadow: 
    0 8px 20px -6px rgba(0,0,0,0.25), 
    0 2px 6px rgba(0,0,0,0.15), 
    inset 0 0 0 1px rgba(255,255,255,0.55), 
    inset 0 0 22px -6px rgba(139,92,246,0.4);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-radius: var(--space-4);
  padding: var(--space-6);
  height: fit-content;
  position: sticky;
  top: 96px;
  animation: glassFadeIn .6s ease;
}

.filters-sidebar::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(140deg, rgba(255,255,255,0.55) 0%, rgba(255,255,255,0.15) 40%, rgba(255,255,255,0.05) 70%) padding-box;
  pointer-events: none;
  opacity: 0.9;
  mix-blend-mode: overlay;
}

.filters-sidebar::after {
  content: '';
  position: absolute;
  top: 2px; left: 2px; right: 2px; bottom: 2px;
  border-radius: inherit;
  background: radial-gradient(circle at 25% 15%, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0) 55%),
    linear-gradient(165deg, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0) 55%);
  filter: blur(12px);
  opacity: 0.4;
  pointer-events: none;
}

.theme-dark .filters-sidebar {
  background:
    linear-gradient(160deg, rgba(17,24,39,0.9) 0%, rgba(15,23,42,0.75) 55%, rgba(2,6,23,0.6) 100%) padding-box,
    radial-gradient(circle at 25% 10%, rgba(124,58,237,0.35), transparent 60%) border-box;
  border: 1px solid rgba(148,163,184,0.35);
  box-shadow: 
    0 10px 26px -6px rgba(0,0,0,0.55), 
    0 4px 10px rgba(0,0,0,0.35), 
    inset 0 0 0 1px rgba(255,255,255,0.05), 
    inset 0 0 22px -8px rgba(124,58,237,0.45);
}

.filters-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.filters-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
}

.reset-btn {
  background: none;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--space-2);
  font-size: var(--text-xs);
  cursor: pointer;
  transition: all 0.2s ease;
}

.reset-btn:hover {
  border-color: var(--border-muted);
  color: var(--text-primary);
}

.filter-group {
  margin-bottom: var(--space-6);
}

.filter-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
}

.filter-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--space-2);
  padding: var(--space-3);
  color: var(--text-primary);
  font-size: var(--text-sm);
  transition: all 0.2s ease;
}

.dual-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.range-meta {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--text-secondary);
  margin-top: var(--space-2);
}

.filter-input:focus {
  outline: none;
  border-color: var(--brand-primary);
  background: rgba(255, 255, 255, 0.08);
}

.energy-class-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
}

.energy-class-btn {
  padding: var(--space-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--space-2);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  font-size: var(--text-xs);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.energy-class-btn.active {
  border-color: currentColor;
  transform: scale(1.05);
  box-shadow: 0 0 12px currentColor;
}

.energy-class-btn[data-class="A+"] { color: var(--energy-a-plus); }
.energy-class-btn[data-class="A"] { color: var(--energy-a); }
.energy-class-btn[data-class="B"] { color: var(--energy-b); }
.energy-class-btn[data-class="C"] { color: var(--energy-c); }
.energy-class-btn[data-class="D"] { color: var(--energy-d); }
.energy-class-btn[data-class="E"] { color: var(--energy-e); }
.energy-class-btn[data-class="F"] { color: var(--energy-f); }
.energy-class-btn[data-class="G"] { color: var(--energy-g); }

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.checkbox-label:hover {
  color: var(--text-primary);
}

.checkbox-input {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* Main Content Area */
.content-area {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* Stats Overview */
.stats-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.stat-card {
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 20px;
  padding: var(--space-5);
  box-shadow: 0 8px 32px rgba(31, 38, 135, 0.15);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, transparent 60%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.5;
  z-index: 1;
}

.stat-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.75);
  border-color: rgba(255, 255, 255, 0.6);
  box-shadow: 0 12px 48px rgba(31, 38, 135, 0.2);
}

.stat-card:hover::before {
  opacity: 0.7;
}

.theme-dark .stat-card {
  background: rgba(28, 28, 30, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.theme-dark .stat-card::before {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, transparent 60%);
}

.theme-dark .stat-card:hover {
  background: rgba(28, 28, 30, 0.75);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.7);
}

.stat-value {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--brand-primary);
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.stat-trend {
  font-size: var(--text-xs);
  color: var(--success);
  margin-top: var(--space-1);
}

.stat-trend.muted {
  color: var(--text-secondary);
}

/* Visualization Cards */
.viz-card {
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 24px;
  padding: var(--space-6);
  box-shadow: 0 8px 32px rgba(31, 38, 135, 0.15);
  position: relative;
  overflow: hidden;
}

.viz-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, transparent 60%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.5;
  z-index: 1;
}

.theme-dark .viz-card {
  background: rgba(28, 28, 30, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.theme-dark .viz-card::before {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, transparent 60%);
}

.map-shell {
  margin-top: var(--space-4);
  border-radius: var(--space-3);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.map-canvas {
  width: 100%;
  height: 380px;
  min-height: 320px;
}

.map-caption {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.leaflet-container {
  font-family: inherit;
  background: var(--surface-elevated, #0f172a);
}

.pill {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--space-3);
  background: rgba(255, 255, 255, 0.08);
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.viz-subtitle {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-top: var(--space-2);
}

.viz-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.viz-title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
}

.viz-actions {
  display: flex;
  gap: var(--space-2);
}

.viz-action-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--space-2);
  padding: var(--space-2) var(--space-3);
  color: var(--text-secondary);
  font-size: var(--text-xs);
  cursor: pointer;
  transition: all 0.2s ease;
}

.viz-action-btn:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

/* Chart Container */
.chart-container {
  position: relative;
  height: 350px;
  margin-top: var(--space-4);
}

/* Data Table */
.data-table-container {
  overflow-x: auto;
  margin-top: var(--space-4);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.data-table thead {
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid var(--border-subtle);
}

.data-table th {
  padding: var(--space-3);
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.data-table td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.data-table tbody tr {
  transition: background 0.2s ease;
}

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.energy-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--space-1);
  font-size: var(--text-xs);
  font-weight: 700;
  min-width: 28px;
}

.energy-badge.A-plus { background: var(--energy-a-plus); color: white; }
.energy-badge.A { background: var(--energy-a); color: white; }
.energy-badge.B { background: var(--energy-b); color: white; }
.energy-badge.C { background: var(--energy-c); color: #1a1a1a; }
.energy-badge.D { background: var(--energy-d); color: white; }
.energy-badge.E { background: var(--energy-e); color: white; }
.energy-badge.F { background: var(--energy-f); color: white; }
.energy-badge.G { background: var(--energy-g); color: white; }

/* Export Panel */
.export-panel {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: var(--space-3);
  margin-top: var(--space-6);
}

.story-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding: var(--space-6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--space-4);
  background: rgba(59, 130, 246, 0.05);
}

.story-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
}

.story-card {
  padding: var(--space-4);
  border-radius: var(--space-3);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.story-card h4 {
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.story-card p {
  color: var(--text-secondary);
  line-height: 1.5;
}

.export-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--gradient-brand);
  border: none;
  border-radius: var(--space-2);
  padding: var(--space-3) var(--space-4);
  color: white;
  font-weight: 600;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.export-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.export-btn.disabled,
.export-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Responsive */
@media (max-width: 1024px) {
  .analytics-hero {
    grid-template-columns: 1fr;
    margin-top: 96px;
  }

  .analytics-container {
    grid-template-columns: 1fr;
  }

  .filters-sidebar {
    position: static;
  }
}

/* Loading State */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(139, 92, 246, 0.2);
  border-top-color: #8b5cf6;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

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

.hidden {
  display: none;
}