/* Engagement Tracker - Global Styles */
/* Single font family across the application */

:root {
  --et-primary: #2563eb;
  --et-primary-hover: #1d4ed8;
  --et-primary-light: #dbeafe;
  --et-primary-rgb: 37, 99, 235;
  --et-success: #16a34a;
  --et-success-light: #dcfce7;
  --et-danger: #dc2626;
  --et-danger-light: #fee2e2;
  --et-warning: #f59e0b;
  --et-purple: #7c3aed;
  --et-dark: #0f172a;
  --et-light: #f8fafc;
  --et-muted: #64748b;
  --et-border: #e2e8f0;
  --et-font: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --et-radius: 0.75rem;
  --et-shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --et-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --et-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -2px rgba(0,0,0,0.05);
  --et-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
  --et-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base */
body {
  font-family: var(--et-font);
  background: linear-gradient(135deg, #f0f4ff 0%, #f8fafc 50%, #faf5ff 100%);
  color: #1e293b;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.app-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

/* Typography */
.page-title {
  font-weight: 800;
  font-size: 1.75rem;
  color: var(--et-dark);
  margin-bottom: 0.25rem;
  letter-spacing: -0.03em;
}

/* Navbar */
.navbar {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%) !important;
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}

.navbar-brand {
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.25rem;
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-link.active {
  font-weight: 600;
}

/* Tabs */
.nav-tabs {
  border-bottom: 2px solid var(--et-border);
  gap: 0.25rem;
}

.nav-tabs .nav-link {
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--et-muted);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.75rem 1.25rem;
  transition: var(--et-transition);
  border-radius: 0.5rem 0.5rem 0 0;
}

.nav-tabs .nav-link:hover {
  color: var(--et-primary);
  background-color: var(--et-primary-light);
  border-bottom-color: transparent;
}

.nav-tabs .nav-link.active {
  color: var(--et-primary);
  border-bottom: 3px solid var(--et-primary);
  background: transparent;
  font-weight: 700;
}

/* Cards */
.card {
  border: 1px solid var(--et-border);
  border-radius: var(--et-radius);
  box-shadow: var(--et-shadow);
  transition: var(--et-transition);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--et-shadow-md);
}

.card-header {
  background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
  border-bottom: 1px solid var(--et-border);
  padding: 0.875rem 1.25rem;
}

.card-title {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

/* Platform connect buttons */
.connect-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  font-weight: 600;
  border-radius: 0.625rem;
  transition: var(--et-transition);
  border-width: 2px;
}

.connect-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--et-shadow-md);
}

.connect-btn:active {
  transform: translateY(0);
}

.platform-icon {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

/* Custom button for Instagram */
.btn-outline-purple {
  color: var(--et-purple);
  border-color: var(--et-purple);
}

.btn-outline-purple:hover {
  color: #fff;
  background-color: var(--et-purple);
  border-color: var(--et-purple);
}

.btn-outline-facebook {
  color: #1877f2;
  border-color: #1877f2;
}

.btn-outline-facebook:hover {
  color: #fff;
  background-color: #1877f2;
  border-color: #1877f2;
}

/* Make platform icons white on button hover */
.btn-outline-danger:hover .platform-icon,
.btn-outline-info:hover .platform-icon,
.btn-outline-purple:hover .platform-icon,
.btn-outline-facebook:hover .platform-icon {
  filter: brightness(0) invert(1);
}

/* Buttons global polish */
.btn {
  font-weight: 600;
  border-radius: 0.5rem;
  transition: var(--et-transition);
  letter-spacing: -0.01em;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  border-color: #2563eb;
  box-shadow: 0 1px 3px rgba(37,99,235,0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1d4ed8, #2563eb);
  box-shadow: 0 4px 12px rgba(37,99,235,0.35);
  transform: translateY(-1px);
}

.btn-success {
  background: linear-gradient(135deg, #16a34a, #22c55e);
  border-color: #16a34a;
  box-shadow: 0 1px 3px rgba(22,163,74,0.3);
}

.btn-success:hover {
  box-shadow: 0 4px 12px rgba(22,163,74,0.35);
  transform: translateY(-1px);
}

.btn-group-sm .btn {
  font-size: 0.8rem;
  padding: 0.3rem 0.65rem;
  border-radius: 0.375rem;
}

/* Tables */
.table th {
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #94a3b8;
  white-space: nowrap;
  padding: 0.75rem 0.875rem;
}

.table-dark th {
  color: #cbd5e1;
}

.table td {
  vertical-align: middle;
  font-size: 0.875rem;
  padding: 0.625rem 0.875rem;
}

.table-striped > tbody > tr:nth-of-type(odd) > td {
  background-color: rgba(241, 245, 249, 0.5);
}

.table-hover > tbody > tr:hover > td {
  background-color: rgba(219, 234, 254, 0.3);
}

/* Status badges */
.badge {
  font-weight: 600;
  padding: 0.35em 0.65em;
  border-radius: 0.375rem;
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}

.badge-connected {
  background: linear-gradient(135deg, #16a34a, #22c55e);
  color: #fff;
}

.badge-disconnected {
  background-color: var(--et-muted);
  color: #fff;
}

.badge-expired {
  background: linear-gradient(135deg, #f59e0b, #fbbf24);
  color: #000;
}

/* Platform badges */
.badge-youtube {
  background: linear-gradient(135deg, #dc2626, #ef4444);
  color: #fff;
}

.badge-instagram {
  background: linear-gradient(135deg, #7c3aed, #c026d3);
  color: #fff;
}

.badge-facebook {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  color: #fff;
}

.badge-linkedin {
  background: linear-gradient(135deg, #0077b5, #0ea5e9);
  color: #fff;
}

/* Content type badges */
.badge-short {
  background: linear-gradient(135deg, #f43f5e, #fb7185);
  color: #fff;
}

.badge-video {
  background: linear-gradient(135deg, #dc2626, #ef4444);
  color: #fff;
}

.badge-post {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  color: #fff;
}

.badge-article {
  background: linear-gradient(135deg, #0891b2, #06b6d4);
  color: #fff;
}

.badge-image {
  background: linear-gradient(135deg, #7c3aed, #a78bfa);
  color: #fff;
}

.badge-document {
  background: linear-gradient(135deg, #ea580c, #f97316);
  color: #fff;
}

.badge-text {
  background-color: #64748b;
  color: #fff;
}

.badge-carousel_album, .badge-carousel {
  background: linear-gradient(135deg, #db2777, #ec4899);
  color: #fff;
}

/* Sort controls */
.sort-btn {
  font-weight: 600;
}

.sort-btn.active {
  background: linear-gradient(135deg, var(--et-primary), #3b82f6);
  color: #fff;
  border-color: var(--et-primary);
  box-shadow: 0 2px 6px rgba(37,99,235,0.3);
}

/* Top scrollbar for wide tables */
.top-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  height: 20px;
  margin-bottom: -1px;
}

.top-scroll-inner {
  height: 1px;
}

/* Sortable table headers */
.sortable-th {
  cursor: pointer;
  user-select: none;
  position: relative;
  padding-right: 1.25rem;
  transition: var(--et-transition);
}

.sortable-th:hover {
  color: var(--et-primary) !important;
  background-color: rgba(37,99,235,0.08);
}

.sort-icon::after {
  content: '\2195';
  font-size: 0.7rem;
  margin-left: 0.25rem;
  opacity: 0.4;
}

.sortable-th.sort-asc .sort-icon::after {
  content: '\25B2';
  opacity: 1;
  color: var(--et-primary);
}

.sortable-th.sort-desc .sort-icon::after {
  content: '\25BC';
  opacity: 1;
  color: var(--et-primary);
}

/* Comment text in table */
.comment-text-cell {
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Content title in table */
.content-title-cell {
  max-width: 250px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.content-title-cell a,
.content-url-cell a {
  color: var(--et-primary);
  text-decoration: none;
  transition: color 0.15s;
}

.content-title-cell a:hover,
.content-url-cell a:hover {
  color: var(--et-primary-hover);
  text-decoration: underline;
}

/* Content URL */
.content-url-cell {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Footer */
.footer {
  border-top: 1px solid var(--et-border);
  background: #fff;
}

.footer a {
  color: var(--et-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.footer a:hover {
  color: var(--et-primary);
}

/* Loading spinner */
.spinner-border {
  width: 2rem;
  height: 2rem;
}

.spinner-border-sm {
  width: 1rem;
  height: 1rem;
  border-width: 0.15em;
}

/* Policy page */
.policy-content h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--et-dark);
}

.policy-content p,
.policy-content li {
  color: #475569;
  line-height: 1.7;
}

/* Pagination */
.page-link {
  color: var(--et-primary);
  border-radius: 0.375rem;
  font-weight: 600;
  font-size: 0.85rem;
}

.page-item.active .page-link {
  background: linear-gradient(135deg, var(--et-primary), #3b82f6);
  border-color: var(--et-primary);
}

/* Analytics stat cards */
.stat-card {
  transition: var(--et-transition);
  border: 1px solid var(--et-border);
  background: #fff;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--et-primary), #8b5cf6);
  opacity: 0;
  transition: opacity 0.2s;
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--et-shadow-lg);
}

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

.stat-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--et-muted);
  font-weight: 700;
  margin-bottom: 0.375rem;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--et-dark);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

/* Channel thumbnail */
.channel-thumb {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--et-border);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: var(--et-transition);
}

.channel-thumb:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

/* Date group header rows */
.date-group-row td {
  background: linear-gradient(135deg, #f0f4ff, #eef2ff) !important;
  border-top: 2px solid var(--et-primary-light);
  border-bottom: 1px solid var(--et-border);
  padding: 0.5rem 0.875rem !important;
  font-size: 0.8125rem;
  color: var(--et-primary);
  letter-spacing: 0.02em;
}

.date-group-row td strong {
  font-weight: 700;
}

/* Analytics sortable headers */
.sortable-header {
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition: color 0.15s;
}

.sortable-header:hover {
  color: #93c5fd !important;
}

.sortable-header.sort-asc::after {
  content: ' \25B2';
  font-size: 0.65rem;
}

.sortable-header.sort-desc::after {
  content: ' \25BC';
  font-size: 0.65rem;
}

/* Grouped view - video header */
.video-group-header {
  background: linear-gradient(135deg, #f1f5f9 0%, #e8edf5 100%);
  border-bottom: 2px solid var(--et-border);
}

.video-group-header a {
  color: var(--et-dark);
  text-decoration: none;
  font-weight: 700;
  transition: color 0.15s;
}

.video-group-header a:hover {
  color: var(--et-primary);
  text-decoration: underline;
}

.reply-row {
  background-color: rgba(248, 250, 252, 0.7) !important;
}

/* Video title in analytics table */
.video-title-cell {
  max-width: 400px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.video-title-cell a {
  color: var(--et-dark);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s;
}

.video-title-cell a:hover {
  color: var(--et-primary);
  text-decoration: underline;
}

/* Chart containers */
.card canvas {
  transition: opacity 0.3s;
}

/* Lookup comments panel */
.lookup-comments-panel {
  background: linear-gradient(180deg, #fafbfc, #f5f7fa);
  border-top: 2px solid var(--et-primary-light);
}

.lookup-comments-list {
  max-height: 400px;
  overflow-y: auto;
}

.lookup-comments-list::-webkit-scrollbar {
  width: 6px;
}

.lookup-comments-list::-webkit-scrollbar-track {
  background: #f1f5f9;
}

.lookup-comments-list::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 3px;
}

.lookup-comments-list::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

.lookup-comment-item {
  transition: background-color 0.15s;
}

.lookup-comment-item:hover {
  background-color: rgba(219, 234, 254, 0.3) !important;
}

.lookup-comment-item.reply-row {
  background-color: rgba(241, 245, 249, 0.6);
  border-left: 3px solid var(--et-border);
}

/* Compare channel color dots */
.compare-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

/* Form controls polish */
.form-control, .form-select {
  border-radius: 0.5rem;
  border: 1.5px solid var(--et-border);
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  transition: var(--et-transition);
}

.form-control:focus, .form-select:focus {
  border-color: var(--et-primary);
  box-shadow: 0 0 0 3px rgba(var(--et-primary-rgb), 0.15);
}

.form-label {
  font-weight: 600;
  font-size: 0.8125rem;
  color: #475569;
  margin-bottom: 0.375rem;
}

/* Alert polish */
.alert {
  border-radius: 0.625rem;
  font-weight: 500;
  border: none;
  box-shadow: var(--et-shadow-sm);
}

.alert-info {
  background: linear-gradient(135deg, #dbeafe, #e0e7ff);
  color: #1e40af;
}

.alert-success {
  background: linear-gradient(135deg, #dcfce7, #d1fae5);
  color: #166534;
}

.alert-danger {
  background: linear-gradient(135deg, #fee2e2, #fce7f3);
  color: #991b1b;
}

.alert-warning {
  background: linear-gradient(135deg, #fef3c7, #fef9c3);
  color: #92400e;
}

/* Table dark header polish */
.table-dark {
  background: linear-gradient(135deg, #1e293b, #334155) !important;
}

.table-dark th {
  border-bottom: none;
  font-size: 0.7rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .page-title {
    font-size: 1.5rem;
  }

  .table-responsive {
    font-size: 0.8rem;
  }

  .comment-text-cell {
    max-width: 150px;
  }

  .nav-tabs .nav-link {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
  }

  .stat-value {
    font-size: 1.2rem;
  }

  .btn-group-sm .btn {
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
  }
}

/* Smooth scrollbar for all scrollable areas */
* {
  scrollbar-width: thin;
  scrollbar-color: #cbd5e1 transparent;
}

/* Animation for cards appearing */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tab-pane.show {
  animation: fadeInUp 0.3s ease-out;
}

/* Compare inputs */
.compare-channel-input {
  border: 2px solid var(--et-border);
}

.compare-channel-input:focus {
  border-color: var(--et-primary);
}