:root{
  --bg: #14120e;
  --bg-elevated: #1c1912;
  --surface: #221e15;
  --surface-2: #2a2519;
  --line: #3a3527;
  --line-soft: #2a2619;
  --text: #f2ede1;
  --text-dim: #ab9f89;
  --text-faint: #6d6350;

  --accent-low: #7fa06f;
  --accent-mid: #cf9a2e;
  --accent-high: #c1440e;
  --accent-severe: #9c2b1f;

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'IBM Plex Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', monospace;

  --radius: 3px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

a{ color: inherit; }

::selection{ background: var(--accent-high); color: var(--bg); }

:focus-visible{
  outline: 2px solid var(--accent-mid);
  outline-offset: 2px;
}

/* subtle film-grain texture over the whole page */
.grain{
  position: fixed; inset: 0; pointer-events: none; z-index: 999;
  opacity: 0.035; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- topbar ---------- */
.topbar{
  position: sticky; top:0; z-index: 100;
  background: rgba(20,18,14,0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner{
  max-width: 1180px; margin: 0 auto;
  display:flex; align-items:center; justify-content: space-between;
  padding: 14px 24px;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand-mark{ width:34px; height:18px; display:inline-flex; color: var(--accent-high); }
.brand-wave{ width:100%; height:100%; }
.brand-wave path{ fill:none; stroke: currentColor; stroke-width:2; stroke-linecap:round; stroke-linejoin:round; }
.brand-name{
  font-family: var(--font-display); font-weight:700; font-size: 1.15rem;
  letter-spacing: 0.06em;
}
.brand-sub{
  color: var(--text-faint); font-size: 0.78rem; font-family: var(--font-mono);
  padding-left: 10px; border-left: 1px solid var(--line);
}
@media (max-width: 640px){ .brand-sub{ display:none; } }

.status{ display:flex; align-items:center; gap:8px; font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-dim); }
.status-dot{
  width:8px; height:8px; border-radius:50%; background: var(--text-faint);
  box-shadow: 0 0 0 0 rgba(127,160,111,0.6);
}
.status-dot.live{
  background: var(--accent-low);
  animation: pulse-dot 2.4s ease-out infinite;
}
.status-dot.error{ background: var(--accent-high); animation:none; }
@keyframes pulse-dot{
  0%{ box-shadow: 0 0 0 0 rgba(127,160,111,0.55); }
  70%{ box-shadow: 0 0 0 7px rgba(127,160,111,0); }
  100%{ box-shadow: 0 0 0 0 rgba(127,160,111,0); }
}

/* ---------- hero ---------- */
.hero{ border-bottom: 1px solid var(--line); }
.hero-inner{
  max-width: 1180px; margin: 0 auto; padding: 56px 24px 40px;
  display:grid; grid-template-columns: 1fr; gap: 40px;
}
@media (min-width: 980px){
  .hero-inner{ grid-template-columns: 0.85fr 1.15fr; align-items:end; gap: 56px; }
}

.eyebrow{
  font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.14em;
  font-size: 0.72rem; color: var(--accent-high); margin: 0 0 14px;
}
.hero h1{
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.9rem, 4vw, 2.7rem); line-height: 1.12; margin: 0 0 18px;
  letter-spacing: -0.01em;
}
.hero-desc{ color: var(--text-dim); max-width: 46ch; margin: 0 0 26px; font-size: 0.98rem; }

.hero-latest{
  border-left: 2px solid var(--accent-high);
  padding: 10px 0 10px 16px;
  font-family: var(--font-mono); font-size: 0.86rem; color: var(--text-dim);
  min-height: 44px; display:flex; align-items:center;
}
.hero-latest strong{ color: var(--text); font-weight: 600; }
.hero-latest .mag-badge{ padding: 1px 7px; border-radius: 2px; font-weight:600; margin-right:8px; }

.seismograph-wrap{
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px 12px;
}
.seismograph-labels{
  display:flex; justify-content: space-between;
  font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-faint);
  letter-spacing: 0.08em; margin-bottom: 4px;
}
.now-label{ color: var(--accent-high); }
.seismograph{ width:100%; height: 170px; display:block; overflow: visible; }
.baseline{ stroke: var(--line); stroke-width: 1; }
.ambient-trace{
  fill:none; stroke: var(--line-soft); stroke-width: 1.2;
}
.spike{ stroke-linecap: round; }
.spike-low{ stroke: var(--accent-low); }
.spike-mid{ stroke: var(--accent-mid); }
.spike-high{ stroke: var(--accent-high); }
.spike-severe{ stroke: var(--accent-severe); }

.seismograph-scale{
  display:flex; gap: 16px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-faint);
  padding-top: 10px; margin-top: 8px; border-top: 1px solid var(--line-soft);
}
.seismograph-scale span{ display:flex; align-items:center; gap:6px; }
.dot{ width:7px; height:7px; border-radius:50%; display:inline-block; }
.dot-low{ background: var(--accent-low); }
.dot-mid{ background: var(--accent-mid); }
.dot-high{ background: var(--accent-high); }
.dot-severe{ background: var(--accent-severe); }

/* ---------- stats ---------- */
.stats{
  max-width: 1180px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(2,1fr);
  border-bottom: 1px solid var(--line);
}
@media (min-width: 720px){ .stats{ grid-template-columns: repeat(4,1fr); } }
.stat{
  padding: 26px 24px;
  border-right: 1px solid var(--line);
  border-top: 1px solid var(--line);
}
@media (min-width: 720px){ .stat{ border-top: none; } }
.stat:nth-child(2n){ border-right: none; }
@media (min-width: 720px){
  .stat:nth-child(2n){ border-right: 1px solid var(--line); }
  .stat:last-child{ border-right: none; }
}
.stat-value{
  display:block; font-family: var(--font-display); font-weight:700;
  font-size: clamp(1.5rem, 3vw, 2.1rem); color: var(--text);
}
.stat-label{
  display:block; font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 6px;
}

/* ---------- sections ---------- */
.section-head{ max-width: 1180px; margin: 0 auto; padding: 40px 24px 16px; }
.section-head h2{
  font-family: var(--font-display); font-size: 1.4rem; margin: 0 0 6px; font-weight:600;
}
.section-head p{ color: var(--text-dim); margin:0; font-size: 0.92rem; }

.map{
  max-width: 1180px; margin: 0 auto 48px; padding: 0 24px;
  height: 420px;
}
.map > div{ height:100%; border-radius: var(--radius); border: 1px solid var(--line); }
.leaflet-container{ background: var(--bg-elevated) !important; font-family: var(--font-body) !important; }
/* OpenStreetMap no ofrece teselas oscuras gratuitas sin API key;
   se invierten y matizan las teselas claras estándar para lograr el
   mismo aspecto sin depender de un proveedor de pago. */
#map .leaflet-tile-pane{
  filter: invert(100%) hue-rotate(180deg) brightness(95%) contrast(90%);
}
.leaflet-popup-content-wrapper{
  background: var(--surface); color: var(--text); border-radius: var(--radius);
}
.leaflet-popup-tip{ background: var(--surface); }
.quake-popup{ font-family: var(--font-body); font-size: 0.85rem; min-width: 160px; }
.quake-popup .qp-mag{ font-family: var(--font-mono); font-weight:700; font-size:1.1rem; }
.quake-popup .qp-place{ margin: 4px 0; }
.quake-popup .qp-meta{ color: var(--text-dim); font-size: 0.78rem; font-family: var(--font-mono); }

/* ---------- controls ---------- */
.controls{
  max-width: 1180px; margin: 0 auto; padding: 0 24px 20px;
  display:grid; grid-template-columns: 1fr; gap: 18px;
}
@media (min-width: 720px){ .controls{ grid-template-columns: 1fr 1fr; } }
.control-group label{
  display:block; font-family: var(--font-mono); font-size: 0.74rem;
  color: var(--text-dim); margin-bottom: 8px; letter-spacing: 0.03em;
}
.control-group input[type="text"]{
  width: 100%; background: var(--surface); border: 1px solid var(--line);
  color: var(--text); padding: 10px 12px; border-radius: var(--radius);
  font-family: var(--font-body); font-size: 0.9rem;
}
.control-group input[type="text"]:focus{ border-color: var(--accent-mid); }
.control-group input[type="range"]{
  width: 100%; accent-color: var(--accent-high); height: 4px;
}

/* ---------- table ---------- */
.table-wrap{
  max-width: 1180px; margin: 0 auto 20px; padding: 0 24px;
  overflow-x: auto;
}
table{ width:100%; border-collapse: collapse; min-width: 560px; }
thead th{
  text-align:left; font-family: var(--font-mono); font-size: 0.7rem;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-faint);
  padding: 10px 14px; border-bottom: 1px solid var(--line); white-space: nowrap;
}
th.sortable{ cursor:pointer; user-select:none; }
th.sortable:hover{ color: var(--text-dim); }
th.sorted-asc::after{ content: " ▲"; font-size: 0.6rem; }
th.sorted-desc::after{ content: " ▼"; font-size: 0.6rem; }
tbody td{
  padding: 12px 14px; border-bottom: 1px solid var(--line-soft);
  font-size: 0.88rem; vertical-align: middle;
}
tbody tr:hover{ background: var(--surface); }
td.col-time{ font-family: var(--font-mono); color: var(--text-dim); white-space: nowrap; }
td.col-depth{ font-family: var(--font-mono); color: var(--text-dim); white-space: nowrap; }
td.col-place{ color: var(--text); }
.mag-badge{
  font-family: var(--font-mono); font-weight:700; font-size: 0.82rem;
  padding: 3px 8px; border-radius: 2px; display:inline-block; min-width: 3.2em; text-align:center;
}
.badge-low{ background: rgba(127,160,111,0.15); color: var(--accent-low); }
.badge-mid{ background: rgba(207,154,46,0.15); color: var(--accent-mid); }
.badge-high{ background: rgba(193,68,14,0.15); color: var(--accent-high); }
.badge-severe{ background: rgba(156,43,31,0.2); color: #e26a55; }

.loading-row td{ text-align:center; color: var(--text-faint); font-family: var(--font-mono); padding: 30px 0; }
.empty-state{
  max-width: 1180px; margin: 0 auto 50px; padding: 0 24px;
  color: var(--text-faint); font-family: var(--font-mono); font-size: 0.85rem;
}

/* ---------- footer ---------- */
.footer{ border-top: 1px solid var(--line); }
.footer-inner{
  max-width: 1180px; margin:0 auto; padding: 26px 24px 40px;
  color: var(--text-faint); font-size: 0.8rem;
}
.footer-inner p{ margin: 0 0 8px; }
.footer-inner a{ color: var(--text-dim); text-decoration: underline; text-underline-offset: 2px; }
.disclaimer{ color: var(--text-faint); }