/* ── Wiztia Dashboard Styles ────────────────────────────────────── */
:root {
  --bg: #0f0f13;
  --surface: #1a1a24;
  --surface2: #22222f;
  --border: #2a2a3a;
  --text: #e4e4ed;
  --text-dim: #8888a0;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --green: #22c55e;
  --yellow: #eab308;
  --red: #ef4444;
  --blue: #3b82f6;
  --radius: 10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

/* ── Layout ──────────────────────────────────────────────────────── */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 24px 16px;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
}
.main {
  flex: 1;
  margin-left: 240px;
  padding: 32px;
  min-width: 0;
}

/* ── Sidebar ─────────────────────────────────────────────────────── */
.logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  padding: 0 8px 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}
.logo span { color: var(--text); }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s;
  text-decoration: none;
}
.nav-item:hover { background: var(--surface2); color: var(--text); }
.nav-item.active { background: rgba(99, 102, 241, 0.12); color: var(--accent); }
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }

.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-dim);
  padding-left: 8px;
}

/* ── Page Header ─────────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.page-header h1 {
  font-size: 24px;
  font-weight: 700;
}
.page-header .actions { display: flex; gap: 10px; }

/* ── Buttons ─────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  text-decoration: none;
  color: var(--text);
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: var(--surface2); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--border); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover { opacity: 0.9; }

/* ── Stat Cards ──────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.stat-card .label {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.stat-card .value {
  font-size: 28px;
  font-weight: 700;
}
.stat-card .change {
  font-size: 12px;
  margin-top: 4px;
}
.stat-card .change.up { color: var(--green); }
.stat-card .change.down { color: var(--red); }

/* ── Cards / Panels ──────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.card-header h2 {
  font-size: 16px;
  font-weight: 600;
}

/* ── Video Grid ──────────────────────────────────────────────────── */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.video-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
}
.video-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--surface2);
  overflow: hidden;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.video-thumb .duration-badge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}
.video-thumb .delete-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0,0,0,0.65);
  color: #fff;
  border: none;
  border-radius: 6px;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s, background 0.2s;
  z-index: 2;
}
.video-card:hover .delete-btn {
  opacity: 1;
}
.video-thumb .delete-btn:hover {
  background: var(--red);
}
.video-thumb .no-thumb {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-dim);
  font-size: 13px;
}
.video-info {
  padding: 14px 16px;
}
.video-info h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.video-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-dim);
}
.video-meta .dot { color: var(--border); }

/* ── Charts ──────────────────────────────────────────────────────── */
.chart-container {
  width: 100%;
  height: 250px;
  position: relative;
}
.chart-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* ── Heatmap Bar ─────────────────────────────────────────────────── */
.heatmap-bar {
  display: flex;
  height: 48px;
  border-radius: 6px;
  overflow: hidden;
  margin-top: 12px;
}
.heatmap-segment {
  flex: 1;
  transition: opacity 0.2s;
  position: relative;
}
.heatmap-segment:hover {
  opacity: 0.8;
}

/* ── Table ────────────────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
}
.data-table th {
  text-align: left;
  padding: 10px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: 10px 12px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}
.data-table tr:hover td { background: var(--surface2); }

/* ── Forms / Inputs ──────────────────────────────────────────────── */
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 9px 14px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

/* ── Thumbnail Upload ────────────────────────────────────────────── */
.thumb-upload-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s;
}
.thumb-upload-area:hover {
  border-color: var(--accent);
}
.thumb-upload-area.dragover {
  border-color: var(--accent);
  background: rgba(99, 102, 241, 0.05);
}
.thumb-preview {
  position: relative;
  display: inline-block;
  margin-top: 12px;
}
.thumb-preview img {
  max-width: 320px;
  max-height: 180px;
  border-radius: 8px;
}
.thumb-preview .remove-thumb {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  background: var(--red);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Modal ────────────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s;
}
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 90%;
  max-width: 560px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 28px;
  animation: slideUp 0.3s ease;
}
.modal h2 {
  font-size: 18px;
  margin-bottom: 20px;
}
.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 24px;
}

/* ── Embed Code Box ──────────────────────────────────────────────── */
.embed-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 13px;
  color: var(--accent);
  word-break: break-all;
  white-space: pre-wrap;
  position: relative;
}
.embed-box .copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
}

/* ── Badge / Pill ────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.badge-green { background: rgba(34,197,94,0.15); color: var(--green); }
.badge-yellow { background: rgba(234,179,8,0.15); color: var(--yellow); }
.badge-red { background: rgba(239,68,68,0.15); color: var(--red); }
.badge-blue { background: rgba(59,130,246,0.15); color: var(--blue); }

/* ── Period Selector ─────────────────────────────────────────────── */
.period-selector {
  display: flex;
  gap: 4px;
  background: var(--bg);
  border-radius: 8px;
  padding: 3px;
}
.period-selector button {
  padding: 5px 14px;
  border: none;
  background: none;
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}
.period-selector button.active {
  background: var(--accent);
  color: #fff;
}

/* ── Toast ────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 20px;
  font-size: 14px;
  z-index: 300;
  animation: slideUp 0.3s ease, fadeOut 0.3s 2.5s ease forwards;
}

/* ── Animations ──────────────────────────────────────────────────── */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeOut { from { opacity: 1; } to { opacity: 0; } }

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .sidebar { display: none; }
  .main { margin-left: 0; padding: 20px; }
  .chart-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}