:root {
  --bg-main: #0a0e17;
  --bg-surface: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(26, 36, 56, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(99, 102, 241, 0.3);
  
  --text-primary: #F9FAFB;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  
  --primary: #6366F1;
  --primary-gradient: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  --primary-glow: rgba(99, 102, 241, 0.35);
  
  --positive: #10B981;
  --positive-bg: rgba(16, 185, 129, 0.12);
  --neutral: #F59E0B;
  --neutral-bg: rgba(245, 158, 11, 0.12);
  --negative: #EF4444;
  --negative-bg: rgba(239, 68, 68, 0.12);
  
  --fb-color: #1877F2;
  --yt-color: #FF0000;
  --news-color: #8B5CF6;
  --tt-color: #06B6D4;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.2);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-main);
  background-image: 
    radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(139, 92, 246, 0.1) 0px, transparent 50%),
    radial-gradient(at 50% 100%, rgba(16, 185, 129, 0.05) 0px, transparent 50%);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .brand-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* Container */
.app-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 24px 60px 24px;
}

/* Header & Navbar */
header.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 28px;
  position: sticky;
  top: 0;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(16px);
  z-index: 100;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

.brand-logo-icon svg {
  width: 24px;
  height: 24px;
  fill: #fff;
}

.brand-text h1 {
  font-size: 1.35rem;
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-text p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--positive);
}

.live-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--positive);
  box-shadow: 0 0 8px var(--positive);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #fff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-airflow {
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.4);
  color: #c084fc;
}

.btn-airflow:hover {
  background: rgba(139, 92, 246, 0.25);
  border-color: #a855f7;
}

/* Crisis Alert Banner */
.crisis-banner {
  background: linear-gradient(90deg, rgba(30, 41, 59, 0.7) 0%, rgba(15, 23, 42, 0.8) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px 24px;
  margin-bottom: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

.crisis-banner::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--positive);
  transition: background var(--transition-normal);
}

.crisis-banner.warning::before {
  background: var(--neutral);
}

.crisis-banner.critical::before {
  background: var(--negative);
}

.crisis-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.crisis-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.crisis-banner.warning .crisis-icon-box {
  background: rgba(245, 158, 11, 0.15);
}

.crisis-banner.critical .crisis-icon-box {
  background: rgba(239, 68, 68, 0.15);
}

.crisis-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.crisis-desc {
  font-size: 0.825rem;
  color: var(--text-secondary);
}

.crisis-metrics {
  display: flex;
  align-items: center;
  gap: 24px;
}

.metric-pill {
  text-align: right;
}

.metric-pill .label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-pill .val {
  font-size: 1.15rem;
  font-weight: 700;
}

/* KPI Cards Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 22px;
  backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
  position: relative;
}

.kpi-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-glow);
}

.kpi-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.kpi-title {
  font-size: 0.825rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.kpi-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
}

.kpi-val {
  font-family: 'Outfit', sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 8px;
}

.kpi-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.kpi-sub .pct {
  font-weight: 600;
}

/* Charts Section */
.charts-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

@media (max-width: 992px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
}

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(12px);
}

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

.chart-header h3 {
  font-size: 1.1rem;
  color: var(--text-primary);
}

.chart-container {
  position: relative;
  width: 100%;
  height: 280px;
}

/* Sentiment Bars / Breakdown */
.sentiment-breakdown-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 16px;
}

.sentiment-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sentiment-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.825rem;
}

.progress-track {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Filters & Mentions Section */
.feed-section {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(12px);
}

.feed-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 16px;
}

.filter-toolbar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.search-input-wrap {
  position: relative;
  min-width: 240px;
}

.search-input-wrap input {
  width: 100%;
  padding: 9px 14px 9px 36px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 0.875rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.search-input-wrap input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.filter-select {
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 0.875rem;
  outline: none;
  cursor: pointer;
}

.filter-select option {
  background: var(--bg-surface);
  color: var(--text-primary);
}

/* Channel Filter Chips */
.channel-chips {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.chip {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  font-size: 0.825rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.chip:hover, .chip.active {
  background: rgba(99, 102, 241, 0.18);
  border-color: var(--primary);
  color: #fff;
}

/* Mention Cards */
.mentions-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mention-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px;
  transition: all var(--transition-fast);
}

.mention-card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.14);
}

.mention-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
  gap: 12px;
}

.source-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.source-facebook {
  background: rgba(24, 119, 242, 0.15);
  color: #3b82f6;
  border: 1px solid rgba(24, 119, 242, 0.3);
}

.source-youtube {
  background: rgba(255, 0, 0, 0.15);
  color: #ef4444;
  border: 1px solid rgba(255, 0, 0, 0.3);
}

.source-news {
  background: rgba(139, 92, 246, 0.15);
  color: #a855f7;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.source-tiktok {
  background: rgba(6, 182, 212, 0.15);
  color: #06b6d4;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.mention-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.mention-title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.mention-title a:hover {
  color: var(--primary);
}

.mention-content {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
}

.mention-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.tags-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.badge-sentiment {
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.725rem;
  font-weight: 600;
}

.badge-positive {
  background: var(--positive-bg);
  color: var(--positive);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-neutral {
  background: var(--neutral-bg);
  color: var(--neutral);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.badge-negative {
  background: var(--negative-bg);
  color: var(--negative);
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.badge-intent {
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.725rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
}

.badge-topic {
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  background: rgba(99, 102, 241, 0.1);
  color: #a5b4fc;
}

.mention-meta-right {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.link-btn:hover {
  text-decoration: underline;
}

/* Pagination */
.pagination-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

/* Modal Popup */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 500px;
  padding: 28px;
  box-shadow: var(--shadow-md);
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-dialog {
  transform: translateY(0);
}

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

.modal-title {
  font-size: 1.25rem;
}

.close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input, .form-group select {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
}

.form-group input:focus, .form-group select:focus {
  border-color: var(--primary);
}

/* Spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: none;
}

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

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  background: var(--bg-surface);
  border: 1px solid var(--primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 2000;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
}

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