@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;1,400&display=swap');

:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #0f1628;
  --bg-card: #131d35;
  --bg-card-hover: #172040;
  --border: #1e2d4a;
  --border-bright: #2a3f6a;
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-red: #ef4444;
  --accent-amber: #f59e0b;
  --accent-green: #10b981;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #4a5568;
  --glow-blue: rgba(59, 130, 246, 0.15);
  --glow-red: rgba(239, 68, 68, 0.15);
  --mono: 'Space Mono', monospace;
  --sans: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(59,130,246,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(6,182,212,0.05) 0%, transparent 50%);
}

/* ─── HEADER ─── */
header {
  background: rgba(10, 14, 26, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 40px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 20px;
  flex-wrap: wrap;
}

.header-brand h1 {
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-brand h1 .badge {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: white;
  font-size: 0.65rem;
  padding: 2px 8px;
  border-radius: 20px;
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.header-brand p {
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-top: 2px;
  font-family: var(--mono);
}

nav {
  display: flex;
  gap: 4px;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 500;
  transition: all 0.2s;
  border: 1px solid transparent;
  white-space: nowrap;
}

nav a:hover {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border);
}

nav a.active {
  background: var(--glow-blue);
  color: var(--accent-blue);
  border-color: rgba(59,130,246,0.3);
}

/* ─── MAIN ─── */
main {
  padding: 32px 40px;
  max-width: 1400px;
  margin: 0 auto;
}

/* ─── AVISO SIN DATOS ─── */
.aviso-sin-datos {
  margin-bottom: 28px;
}

.aviso-box {
  background: linear-gradient(135deg, rgba(59,130,246,0.08), rgba(6,182,212,0.05));
  border: 1px solid rgba(59,130,246,0.25);
  border-radius: 14px;
  padding: 32px;
  text-align: center;
}

.aviso-box h2 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.aviso-box p { color: var(--text-secondary); margin-bottom: 16px; }

.aviso-box ol {
  text-align: left;
  display: inline-block;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 2;
}

.aviso-box ol li { padding-left: 4px; }

.btn-analisis {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: white;
  padding: 12px 28px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s;
  box-shadow: 0 4px 20px rgba(59,130,246,0.3);
}

.btn-analisis:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59,130,246,0.4);
}

/* ─── MÉTRICAS ─── */
.metricas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  text-align: center;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
  opacity: 0;
  transition: opacity 0.25s;
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-bright);
  transform: translateY(-2px);
}

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

.card h3 {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.card .numero {
  font-family: var(--mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.card.alerta {
  border-color: rgba(239,68,68,0.25);
  background: rgba(239,68,68,0.05);
}

.card.alerta::before {
  background: linear-gradient(90deg, var(--accent-red), #f97316);
  opacity: 1;
}

.card.alerta .numero { color: var(--accent-red); }

/* ─── INFO REPORTE ─── */
.info-reporte {
  background: rgba(59,130,246,0.06);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: 10px;
  padding: 12px 18px;
  margin-bottom: 24px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.info-reporte strong { color: var(--accent-cyan); }

/* ─── GRÁFICOS ─── */
.graficos {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.grafico-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}

.grafico-container h3 {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

/* ─── TABLA ─── */
.tabla-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}

.tabla-container h3 {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.tabla-scroll { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}

th {
  background: rgba(255,255,255,0.03);
  padding: 11px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  white-space: nowrap;
}

td {
  padding: 11px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  color: var(--text-secondary);
  vertical-align: top;
}

tr:hover td { background: rgba(255,255,255,0.02); }

.detalle-col {
  max-width: 280px;
  line-height: 1.5;
  color: var(--text-primary);
  font-size: 0.82rem;
}

td strong {
  font-family: var(--mono);
  font-size: 0.9rem;
}

tr.riesgo-alto td { border-left: 3px solid var(--accent-red); }
tr.riesgo-alto td:first-child { padding-left: 11px; }
tr.riesgo-medio td { border-left: 3px solid var(--accent-amber); }
tr.riesgo-medio td:first-child { padding-left: 11px; }
tr.riesgo-bajo td { border-left: 3px solid var(--accent-blue); }
tr.riesgo-bajo td:first-child { padding-left: 11px; }

.sin-datos {
  text-align: center;
  color: var(--text-muted);
  padding: 60px 40px;
  font-family: var(--mono);
  font-size: 0.85rem;
}

/* ─── ANÁLISIS VIVO ─── */
.analisis-vivo {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 40px;
  max-width: 760px;
}

.analisis-vivo h2 {
  font-size: 1.4rem;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.analisis-vivo .info {
  background: rgba(59,130,246,0.06);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 12px;
  color: var(--accent-blue);
  font-size: 0.87rem;
  line-height: 1.6;
}

.info-aviso {
  background: rgba(245,158,11,0.06);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 28px;
  color: var(--accent-amber);
  font-size: 0.85rem;
  line-height: 1.6;
}

button {
  background: linear-gradient(135deg, var(--accent-blue), #2563eb);
  color: white;
  border: none;
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--sans);
  transition: all 0.2s;
  box-shadow: 0 4px 20px rgba(59,130,246,0.25);
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59,130,246,0.4);
}

button:disabled {
  background: var(--bg-card-hover);
  color: var(--text-muted);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ─── SPINNER ─── */
.spinner {
  text-align: center;
  padding: 32px 20px;
  color: var(--text-secondary);
}

.loader {
  border: 3px solid var(--border);
  border-top: 3px solid var(--accent-blue);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px;
}

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

.tiempo-estimado {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-family: var(--mono);
}

/* ─── RESULTADO ─── */
.exito {
  margin-top: 24px;
  background: rgba(16,185,129,0.06);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: 12px;
  padding: 24px;
}

.exito h3 {
  color: var(--accent-green);
  margin-bottom: 16px;
  font-size: 1rem;
}

.exito a {
  color: var(--accent-cyan);
  font-weight: 600;
  text-decoration: none;
}

.exito a:hover { text-decoration: underline; }

.exito p { color: var(--text-secondary); font-size: 0.88rem; margin-top: 10px; }

.error {
  background: rgba(239,68,68,0.06);
  border: 1px solid rgba(239,68,68,0.25);
  border-radius: 12px;
  padding: 24px;
  color: var(--accent-red);
  margin-top: 24px;
}

.error h3 { margin-bottom: 8px; }
.error p { font-size: 0.88rem; line-height: 1.6; color: #fca5a5; }

/* ─── DOCUMENTACIÓN ─── */
.doc-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  margin-bottom: 20px;
}

.doc-section h2 {
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: var(--text-primary);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.doc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.doc-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  transition: border-color 0.2s;
}

.doc-card:hover { border-color: var(--border-bright); }

.doc-card h3 {
  margin-bottom: 14px;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.doc-card ol, .doc-card ul {
  padding-left: 18px;
  color: var(--text-secondary);
}

.doc-card li {
  margin-bottom: 8px;
  font-size: 0.88rem;
  line-height: 1.6;
}

.referencia {
  border-left: 3px solid var(--accent-blue);
}

.referencia p {
  margin-bottom: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.referencia a { color: var(--accent-cyan); }

.btn-descarga {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: white;
  padding: 11px 22px;
  border-radius: 10px;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  transition: all 0.2s;
  box-shadow: 0 4px 16px rgba(59,130,246,0.25);
  margin-top: 4px;
}

.btn-descarga:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59,130,246,0.35);
  color: white;
}

/* ─── TABLA DOCUMENTACIÓN ─── */
.doc-section table {
  font-size: 0.86rem;
}

.doc-section th {
  background: rgba(59,130,246,0.08);
  color: var(--accent-cyan);
}

.doc-section td { color: var(--text-secondary); }

.doc-section tr:hover td { background: rgba(59,130,246,0.04); }

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  header { padding: 0 20px; }
  main { padding: 20px; }
  .graficos { grid-template-columns: 1fr; }
  .doc-grid { grid-template-columns: 1fr; }
  .header-inner { flex-direction: column; align-items: flex-start; gap: 12px; }
  nav { flex-wrap: wrap; }
}

@media (max-width: 600px) {
  .metricas { grid-template-columns: 1fr 1fr; }
  .analisis-vivo { padding: 24px; }
  .card .numero { font-size: 1.8rem; }
}