:root {
  --brand: var(--primary);
  --danger: var(--red);
  --success: var(--green);
  --warning: var(--yellow);
  --info: var(--blue);
  --card-bg: var(--bg-surface);
  --card-border: var(--border-translucent);
  --topbar-bg: var(--bg-surface-secondary);
  --row-border: var(--border-color-light);
}

body.auth-pending { visibility: hidden; }

.btn-block { width: 100%; }
.text-muted { color: var(--text-muted); }

.app-layout { display: flex; min-height: 100vh; }

.sidebar { position: fixed; top: 0; bottom: 0; left: 0; width: var(--sidebar-w); background: var(--sidebar-bg); display: flex; flex-direction: column; z-index: 100; overflow: hidden; }
.sidebar-header { padding: 20px 18px; border-bottom: 1px solid var(--sidebar-border); flex-shrink: 0; }
.sidebar-logo { color: var(--sidebar-text-active); font-weight: 700; font-size: 17px; display: flex; align-items: center; gap: 10px; letter-spacing: -0.3px; }
.sidebar-logo svg { width: 28px; height: 28px; }
.sidebar-logo .logo-mark { width: 32px; height: 32px; border-radius: 8px; background: linear-gradient(135deg, var(--primary), var(--primary-dk)); display: flex; align-items: center; justify-content: center; box-shadow: 0 2px 8px color-mix(in srgb, var(--primary) 30%, transparent); flex-shrink: 0; }
.sidebar-nav { padding: 12px 10px; display: flex; flex-direction: column; gap: 2px; flex: 1; overflow-y: auto; }
.sidebar-footer { padding: 14px 10px; border-top: 1px solid var(--sidebar-border); flex-shrink: 0; }
.nav-section { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.8px; color: var(--text-disabled); padding: 16px 10px 6px; }

.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px;
  border-radius: var(--radius); color: var(--sidebar-text);
  background: transparent; border: none; font: inherit; font-size: 13.5px; font-weight: 500;
  cursor: pointer; text-decoration: none; transition: all 0.15s; width: 100%; text-align: left;
}
.nav-item:hover { background: var(--sidebar-hover); color: var(--sidebar-text-hover); }
.nav-item.active { background: var(--sidebar-active); color: var(--sidebar-text-active); }
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.7; }
.nav-item.active svg { opacity: 1; }

.main-content { flex: 1; margin-left: var(--sidebar-w); min-width: 0; display: flex; flex-direction: column; background: var(--body-bg); }

.topbar { display: flex; align-items: center; justify-content: space-between; padding: 14px 28px; background: var(--topbar-bg); border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 50; }

.content { padding: 28px; flex: 1; }

.page-header { margin-bottom: 24px; }
.page-title { font-size: 22px; font-weight: 700; color: var(--text); letter-spacing: -0.3px; margin: 0; }
.page-pretitle { color: var(--text-muted); font-size: 13px; margin: 4px 0 0; }

.stat-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat-card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius-lg); padding: 18px; transition: transform 0.15s, box-shadow 0.2s; cursor: default; }
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-card); }
.stat-card-icon { width: 36px; height: 36px; border-radius: var(--radius); display: flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.stat-card-icon svg { width: 18px; height: 18px; }
.stat-label { font-size: 12px; font-weight: 500; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.stat-value { font-size: 24px; font-weight: 700; color: var(--text); letter-spacing: -0.5px; }
.stat-detail { font-size: 12px; color: var(--text-disabled); margin-top: 4px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 20px; }

.card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius-lg); overflow: hidden; }
.card-header { padding: 16px 18px; border-bottom: 1px solid var(--border-color-light); display: flex; align-items: center; justify-content: space-between; }
.card-header h3 { font-size: 14px; font-weight: 600; color: var(--text); margin: 0; }
.card-body { padding: 16px 18px; }

.stat-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--row-border); }
.stat-row:last-child { border-bottom: none; }
.stat-row span:first-child { color: var(--text-muted); font-size: 13px; }
.stat-row .stat-value { font-size: 14px; font-weight: 600; }

.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; padding: 10px 12px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-disabled); border-bottom: 1px solid var(--border-color-light); }
.table td { padding: 12px; font-size: 13px; border-bottom: 1px solid var(--row-border); }
.table tbody tr:hover { background: var(--primary-lt); }

.badge { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: var(--radius); font-size: 11.5px; font-weight: 600; }
.badge-success { background: var(--green-lt); color: var(--green); }
.badge-danger { background: var(--red-lt); color: var(--red); }
.badge-warning { background: var(--yellow-lt); color: var(--yellow); }
.badge-info { background: var(--blue-lt); color: var(--blue); }

.btn-sm { height: 30px; padding: 0 14px; font-size: 12px; font-weight: 500; border-radius: var(--radius); }

.empty-state { text-align: center; padding: 32px; color: var(--text-disabled); }
.empty-state svg { width: 40px; height: 40px; margin-bottom: 12px; opacity: 0.4; }

.loading-shimmer { background: linear-gradient(90deg, var(--border-color-light) 25%, var(--border-color) 50%, var(--border-color-light) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: 4px; height: 16px; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.sentiment-bar { display: flex; height: 8px; border-radius: 4px; overflow: hidden; margin-bottom: 14px; }
.sentiment-bar-seg { transition: width 0.3s; }
.sentiment-labels { display: flex; gap: 16px; flex-wrap: wrap; }
.sentiment-label { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-muted); }
.sentiment-dot { width: 8px; height: 8px; border-radius: 50%; }
.source-row, .category-row { display: flex; align-items: center; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--row-border); }
.source-row:last-child, .category-row:last-child { border-bottom: none; }
.source-bar-wrap { flex: 1; margin: 0 12px; height: 4px; background: var(--border-color-light); border-radius: 2px; overflow: hidden; }
.source-bar-fill { height: 100%; border-radius: 2px; background: var(--primary); transition: width 0.3s; }
.stale-warning { display: inline-flex; align-items: center; gap: 4px; color: var(--warning); font-size: 11px; font-weight: 600; margin-left: 8px; }
.ticker-badge { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 4px; background: var(--primary-lt); color: var(--primary); font-size: 12px; font-weight: 700; font-family: var(--font-mono); letter-spacing: 0.5px; }

.theme-toggle { background: none; border: 1px solid var(--border-color); border-radius: var(--radius); color: var(--text-muted); cursor: pointer; width: 32px; height: 30px; display: flex; align-items: center; justify-content: center; transition: all 0.15s; }
.theme-toggle:hover { background: var(--primary-lt); color: var(--text); border-color: var(--primary); }
.theme-toggle svg { width: 16px; height: 16px; }

.sidebar-toggle { display: none; background: none; border: 1px solid var(--border-color); border-radius: var(--radius); color: var(--text-muted); cursor: pointer; width: 32px; height: 30px; align-items: center; justify-content: center; transition: all 0.15s; flex-shrink: 0; }
.sidebar-toggle:hover { background: var(--primary-lt); color: var(--text); border-color: var(--primary); }
.sidebar-toggle svg { width: 18px; height: 18px; }

.sidebar-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.4); backdrop-filter: blur(2px); z-index: 99; opacity: 0; pointer-events: none; transition: opacity 0.22s; }
.sidebar-backdrop.active { opacity: 1; pointer-events: auto; }

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

@media (max-width: 1200px) { .stat-cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform 0.22s; z-index: 101; }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .grid-2 { grid-template-columns: 1fr; }
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
  .sidebar-toggle { display: flex; }
  .content { padding: 16px; }
  .topbar { padding: 10px 16px; }
  .page-title { font-size: 18px; }
  .stat-value { font-size: 20px; }
  .card-header { padding: 12px 14px; }
  .card-body { padding: 12px 14px; }
  .stat-card { padding: 14px; }
  .source-row, .category-row { flex-wrap: wrap; gap: 6px; }
  .source-bar-wrap { order: 3; flex-basis: 100%; margin: 4px 0 0; }
  .sentiment-labels { flex-direction: column; gap: 8px; }
  .table th, .table td { padding: 8px 10px; font-size: 12px; }
  .topbar-right { gap: 6px; }
  .btn-sm { height: 28px; padding: 0 10px; font-size: 11px; }
}
@media (max-width: 480px) {
  .stat-cards { grid-template-columns: 1fr; }
  .content { padding: 12px; }
  .page-title { font-size: 16px; }
  .stat-card-icon { width: 30px; height: 30px; margin-bottom: 8px; }
  .stat-card-icon svg { width: 14px; height: 14px; }
}