:root { --accent: #d06418; }

.nav-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.45rem;
  letter-spacing: 0.1em;
}

.nav-sub {
  font-family: system-ui, sans-serif;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-left: 0.4em;
  vertical-align: middle;
}

.site-nav,
#controls-panel {
  transition: opacity 0.5s ease;
}

body.is-playing .site-nav,
body.is-playing #controls-panel {
  opacity: 0.15;
}

#seismic-app {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 57px);
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
  position: relative;
}

#map {
  flex: 1;
  background: #0a0a0a;
  position: relative;
}


#timeline-canvas {
  width: 100%;
  height: 176px;
  display: block;
  background: #060606;
  border-top: 1px solid #181818;
  flex-shrink: 0;
}

#eq-clock {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.88);
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.6rem;
  letter-spacing: 0.08em;
  pointer-events: none;
  z-index: 1000;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.95);
  white-space: nowrap;
}

#controls-panel {
  background: var(--surface);
  border-top: 1px solid #2a2a2a;
  padding: 0.6rem 1.5rem;
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

#play-btn, #reload-btn, #settings-btn {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 4px 12px;
  cursor: pointer;
  font-size: 0.8rem;
  flex-shrink: 0;
}

#settings-btn { padding: 4px 9px; font-size: 1rem; line-height: 1; }

#play-btn:hover, #reload-btn:hover, #settings-btn:hover {
  background: var(--accent);
  color: #000;
}

#status-bar { font-size: 0.75rem; color: var(--muted); margin-left: auto; }

.leaflet-tile { filter: grayscale(100%) brightness(0.18) contrast(1.25); }

/* ---- Intro modal ---- */
#intro-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  z-index: 20000;
  display: flex;
  align-items: center;
  justify-content: center;
}

#intro-overlay.hidden { display: none; }

#intro-modal {
  background: var(--surface);
  border: 1px solid #333;
  border-radius: var(--radius);
  width: 480px;
  max-width: calc(100vw - 2rem);
  box-shadow: 0 16px 56px rgba(0, 0, 0, 0.75);
  overflow: hidden;
}

.intro-header {
  padding: 1.4rem 1.4rem 0.9rem;
  border-bottom: 1px solid #222;
}

.intro-header h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin: 0 0 0.25rem;
}

.intro-tagline {
  font-size: 0.78rem;
  color: var(--muted);
  margin: 0;
}

.intro-body {
  padding: 1rem 1.4rem 0.8rem;
}

.intro-desc {
  font-size: 0.82rem;
  color: var(--text);
  line-height: 1.65;
  margin: 0 0 0.9rem;
}

.intro-legend {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.leg-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.leg-item .dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.intro-controls {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-top: 1px solid #1e1e1e;
  padding-top: 0.7rem;
}

.intro-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 0.6rem;
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--muted);
}

.intro-label {
  color: var(--accent);
  font-weight: 600;
  padding-top: 1px;
}

.intro-footer {
  padding: 0.9rem 1.4rem;
  border-top: 1px solid #222;
  display: flex;
  justify-content: flex-end;
}

#intro-close {
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: 4px;
  padding: 7px 22px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

#intro-close:hover { opacity: 0.85; }

/* ---- Settings modal ---- */
#settings-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}

#settings-overlay.hidden { display: none; }

#settings-modal {
  background: var(--surface);
  border: 1px solid #333;
  border-radius: var(--radius);
  width: 380px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid #2a2a2a;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
}

#settings-close {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

#settings-close:hover { color: var(--text); }

.modal-body { padding: 0.5rem 1rem 1rem; }

.modal-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid #1e1e1e;
}

.modal-row:last-child { border-bottom: none; }

.modal-row label {
  font-size: 0.82rem;
  color: var(--muted);
  min-width: 115px;
}

.modal-row input[type="range"] {
  flex: 1;
  accent-color: var(--accent);
}

.modal-row select {
  flex: 1;
  background: #111;
  color: var(--text);
  border: 1px solid #333;
  border-radius: 4px;
  padding: 3px 6px;
  font-size: 0.82rem;
}

.modal-row span {
  min-width: 36px;
  text-align: right;
  font-size: 0.8rem;
  color: var(--text);
}