:root {
  --apc-green: #008751;
  --apc-blue: #0033A0;
  --apc-red: #E31C23;
  --claim-accent: #00C853;
  --bg: #0B1220;
  --bg-card: #111827;
  --bg-elevated: #1F2937;
  --text: #F9FAFB;
  --text-muted: #9CA3AF;
  --border: #374151;
  --shadow: 0 4px 24px rgba(0,0,0,.4);
  --radius: 12px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
}
[data-theme="light"] {
  --bg: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-elevated: #F1F5F9;
  --text: #0F172A;
  --text-muted: #64748B;
  --border: #E2E8F0;
  --shadow: 0 4px 24px rgba(15,23,42,.08);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  transition: background .2s, color .2s;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 1.5rem;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(12px);
}
.brand { display: flex; align-items: center; gap: .75rem; }
.brand-logo { height: 42px; width: auto; border-radius: 6px; }
.brand h1 { margin: 0; font-size: 1.35rem; font-weight: 700; letter-spacing: -.02em; }
.brand .sub { font-size: .75rem; color: var(--text-muted); font-weight: 500; }
.top-right { display: flex; align-items: center; gap: 1rem; }
.live-badge {
  display: inline-flex; align-items: center; gap: .4rem;
  background: var(--apc-green); color: #fff; padding: .25rem .65rem;
  border-radius: 999px; font-size: .75rem; font-weight: 600;
}
.live-badge .dot { width: 8px; height: 8px; background: #fff; border-radius: 50%; animation: pulse 1.5s infinite; }
@keyframes pulse { 50% { opacity: .4; } }
.clock { font-variant-numeric: tabular-nums; font-weight: 500; }
.theme-toggle, .mode-btn {
  background: var(--bg-elevated); border: 1px solid var(--border);
  color: var(--text); border-radius: 8px; padding: .4rem .8rem; cursor: pointer;
}
.nav-tabs-modern {
  display: flex; gap: .25rem; padding: .5rem 1.5rem; background: var(--bg);
  border-bottom: 1px solid var(--border); overflow-x: auto;
}
.nav-tabs-modern button {
  background: transparent; border: none; color: var(--text-muted);
  padding: .6rem 1rem; border-radius: 8px; font-weight: 500; cursor: pointer;
  white-space: nowrap; transition: all .15s;
}
.nav-tabs-modern button.active, .nav-tabs-modern button:hover {
  background: var(--bg-card); color: var(--text);
}
.nav-tabs-modern button.active { box-shadow: var(--shadow); color: var(--claim-accent); }
.content { padding: 1.25rem 1.5rem 3rem; max-width: 1600px; margin: 0 auto; }
.view { display: none; }
.view.active { display: block; animation: fadeIn .25s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.kpi-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem; margin-bottom: 1.5rem;
}
.kpi-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.1rem 1.25rem;
  box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.kpi-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--apc-green), var(--apc-blue));
}
.kpi-card .label { font-size: .75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em; }
.kpi-card .value { font-size: 1.75rem; font-weight: 700; margin: .25rem 0; }
.kpi-card .delta { font-size: .8rem; color: var(--claim-accent); }
.panel {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1rem;
  box-shadow: var(--shadow);
}
.panel h3 { margin: 0 0 1rem; font-size: 1rem; font-weight: 600; }
.situation-room .kpi-card .value { font-size: 2.2rem; }
.situation-room .content { max-width: none; padding: 1rem; }
.situation-room .panel { min-height: 280px; }
.map-stage { height: 480px; background: var(--bg-elevated); border-radius: 8px; }
table.data-table { width: 100%; border-collapse: collapse; }
table.data-table th, table.data-table td { padding: .6rem .8rem; text-align: left; border-bottom: 1px solid var(--border); }
table.data-table th { color: var(--text-muted); font-weight: 500; font-size: .8rem; }
.badge { display: inline-block; padding: .2rem .5rem; border-radius: 4px; font-size: .75rem; font-weight: 600; }
.badge-pos { background: rgba(0,200,83,.15); color: #00C853; }
.badge-neg { background: rgba(227,28,35,.15); color: #E31C23; }
.badge-neu { background: rgba(156,163,175,.15); color: #9CA3AF; }
@media (max-width: 768px) {
  .topbar { padding: .6rem 1rem; }
  .content { padding: 1rem; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
}