/* ═══════════════════════════════════════════════════════════════════════════
   ARC-99 Earthquake Swarm Analyzer – Dark Theme
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Custom properties ─────────────────────────────────────────────────── */
:root {
  --bg:          #0d1117;
  --panel:       #161b22;
  --panel2:      #1c2128;
  --border:      #30363d;
  --accent:      #58a6ff;
  --accent2:     #79c0ff;
  --txt:         #e6edf3;
  --muted:       #8b949e;
  --success:     #3fb950;
  --warn-watch:  #e3b341;
  --warn-warn:   #db6d28;
  --warn-elev:   #f85149;
  --warn-sev:    #ff1f7a;
  --usgs:        #58a6ff;
  --emsc:        #3fb950;
  --geonet:      #e3b341;
  --multi:       #A29BFE;

  --radius-sm:   6px;
  --radius-md:   10px;
  --font-mono:   'Consolas', 'Courier New', monospace;
}

/* ── Reset ─────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; background: var(--bg); color: var(--txt); font-family: var(--font-mono); font-size: 13px; }
a { color: inherit; text-decoration: none; }
input, select, button { font-family: var(--font-mono); }

/* ── Utility classes ───────────────────────────────────────────────────── */
.muted  { color: var(--muted); }
.small  { font-size: 11px; }
.accent { color: var(--accent); }
.usgs   { color: var(--usgs); }
.emsc   { color: var(--emsc); }
.geonet { color: var(--geonet); }
.multi  { color: var(--multi); }
.watch    { color: var(--warn-watch); }
.warning  { color: var(--warn-warn); }
.elevated { color: var(--warn-elev); }
.severe   { color: var(--warn-sev); }
.success  { color: var(--success); }

/* ── Header ────────────────────────────────────────────────────────────── */
header {
  display: flex;
  align-items: center;
  gap: 20px;
  background: #010409;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.hdr-left { flex: 1; min-width: 260px; }
.hdr-title {
  font-size: 16px;
  font-weight: bold;
  color: var(--accent);
  letter-spacing: 0.5px;
}
.hdr-sub { font-size: 10px; color: var(--muted); margin-top: 2px; }

.hdr-badges { display: flex; gap: 6px; }
.src-badge {
  font-size: 10px;
  font-weight: bold;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: var(--panel2);
  color: var(--muted);
  white-space: nowrap;
  transition: color 0.3s;
}
.src-badge.usgs   { border: 1px solid var(--usgs); }
.src-badge.emsc   { border: 1px solid var(--emsc); }
.src-badge.geonet { border: 1px solid var(--geonet); }
.src-badge.live-usgs   { color: var(--usgs); }
.src-badge.live-emsc   { color: var(--emsc); }
.src-badge.live-geonet { color: var(--geonet); }
.src-badge.err    { color: var(--warn-elev); border-color: var(--warn-elev); }

.hdr-right { text-align: right; min-width: 180px; }
.hdr-links { display: flex; gap: 10px; justify-content: flex-end; margin-top: 4px; font-size: 11px; }
.hdr-links a { color: var(--muted); transition: color 0.2s; }
.hdr-links a:hover { color: var(--accent); }
.hdr-links a.usgs:hover   { color: var(--usgs); }
.hdr-links a.emsc:hover   { color: var(--emsc); }
.hdr-links a.geonet:hover { color: var(--geonet); }

/* ── Controls bar ──────────────────────────────────────────────────────── */
.controls-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  background: var(--panel);
  padding: 8px 16px;
  border-bottom: 1px solid var(--border);
}
.ctrl-group { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ctrl-group label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--muted);
}
.ctrl-group input[type=number] {
  width: 70px;
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--txt);
  padding: 3px 6px;
  font-size: 12px;
  outline: none;
  transition: border-color 0.2s;
}
.ctrl-group input[type=number]:focus { border-color: var(--accent); }

.sources-group { gap: 8px; }
.src-chk { display: flex; align-items: center; gap: 4px; font-size: 11px; font-weight: bold; cursor: pointer; }
.src-chk.usgs   { color: var(--usgs); }
.src-chk.emsc   { color: var(--emsc); }
.src-chk.geonet { color: var(--geonet); }
.src-chk input[type=checkbox] { accent-color: var(--accent); }

.fetch-btn {
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: var(--radius-sm);
  padding: 7px 18px;
  font-size: 12px;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  letter-spacing: 0.4px;
}
.fetch-btn:hover  { background: var(--accent2); }
.fetch-btn:active { transform: scale(0.97); }
.fetch-btn:disabled { background: var(--border); color: var(--muted); cursor: not-allowed; }

.spinner {
  color: var(--warn-watch);
  font-size: 12px;
  animation: spin 4s linear infinite, pulseFlash 1.8s infinite ease-in-out;
}

@keyframes spin {
  to { transform: rotate(0deg); }   /* fake spin — does nothing */
}

@keyframes pulseFlash {
  0%, 100% { opacity: 0.5; color: var(--muted); }
  50%      { opacity: 1.0; color: var(--accent); }
}

.summary-lbl { color: var(--success); font-size: 11px; margin-left: auto; }

/* ── Main layout ───────────────────────────────────────────────────────── */
.main-layout {
  display: flex;
  height: calc(100vh - 142px);  /* header + controls + statusbar */
  overflow: hidden;
}

/* ── Left panel: swarm list ────────────────────────────────────────────── */
.swarm-panel {
  width: 440px;
  min-width: 320px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}
.panel-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px 4px;
}
.panel-title { font-size: 13px; font-weight: bold; }

.sort-filter-row {
  display: flex;
  gap: 10px;
  padding: 4px 10px 6px;
}
.sort-filter-row label { display: flex; align-items: center; gap: 4px; font-size: 10px; color: var(--muted); }
.sort-filter-row select {
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--txt);
  font-size: 10px;
  padding: 2px 4px;
  outline: none;
}

.swarm-list-wrap { flex: 1; overflow-y: auto; }
.swarm-list-wrap::-webkit-scrollbar { width: 6px; }
.swarm-list-wrap::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.swarm-table { width: 100%; border-collapse: collapse; font-size: 11px; }
.swarm-table thead th {
  background: var(--bg);
  color: var(--accent);
  padding: 5px 6px;
  text-align: left;
  font-size: 10px;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 2;
}
.swarm-table tbody tr {
  cursor: pointer;
  border-bottom: 1px solid rgba(48,54,61,0.5);
  transition: background 0.12s;
}
.swarm-table tbody tr:hover    { background: rgba(88,166,255,0.06); }
.swarm-table tbody tr.selected { background: #1f3a5f; }
.swarm-table td { padding: 5px 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 160px; }

/* Row colouring by warning level */
.swarm-table tr.WATCH    td.level { color: var(--warn-watch); }
.swarm-table tr.WARNING  td.level { color: var(--warn-warn);  }
.swarm-table tr.ELEVATED td.level { color: var(--warn-elev);  }
.swarm-table tr.SEVERE   td.level { color: var(--warn-sev);   }
.swarm-table tr.WATCH    { border-left: 3px solid var(--warn-watch); }
.swarm-table tr.WARNING  { border-left: 3px solid var(--warn-warn);  }
.swarm-table tr.ELEVATED { border-left: 3px solid var(--warn-elev);  }
.swarm-table tr.SEVERE   { border-left: 3px solid var(--warn-sev);   }

/* Legends */
.legend-block {
  border-top: 1px solid var(--border);
  padding: 6px 12px 8px;
  font-size: 10px;
  line-height: 1.7;
}
.legend-title { color: var(--muted); font-size: 9px; font-weight: bold; letter-spacing: 0.5px; margin-bottom: 2px; }
.dot { margin-right: 4px; }
.dot.usgs    { color: var(--usgs); }
.dot.emsc    { color: var(--emsc); }
.dot.geonet  { color: var(--geonet); }
.dot.multi   { color: var(--multi); }
.dot.watch   { color: var(--warn-watch); }
.dot.warning { color: var(--warn-warn); }
.dot.elevated{ color: var(--warn-elev); }
.dot.severe  { color: var(--warn-sev); }

/* ── Content area: tabs ────────────────────────────────────────────────── */
.content-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
}
.tab-bar {
  display: flex;
  gap: 2px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 0 6px;
}
.tab-btn {
  background: var(--panel2);
  border: none;
  color: var(--muted);
  padding: 8px 16px;
  font-size: 10px;
  font-weight: bold;
  font-family: var(--font-mono);
  cursor: pointer;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  letter-spacing: 0.3px;
  transition: color 0.15s, background 0.15s;
  margin-top: 4px;
}
.tab-btn:hover  { color: var(--txt); background: var(--panel); }
.tab-btn.active { color: var(--accent); background: var(--bg); }

.tab-pane { display: none; flex: 1; overflow: auto; padding: 8px; }
.tab-pane.active { display: flex; flex-direction: column; }

/* ── World map ─────────────────────────────────────────────────────────── */
#tab-map { padding: 0; }
#worldMap { flex: 1; width: 100%; min-height: 300px; background: #06111f; }
.leaflet-container { background: #06111f; }

/* ── Map tooltip ───────────────────────────────────────────────────────── */
.map-tooltip {
  position: fixed;
  background: var(--panel);
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  font-size: 11px;
  line-height: 1.7;
  pointer-events: none;
  z-index: 9999;
  white-space: pre;
  max-width: 260px;
  box-shadow: 0 4px 18px rgba(0,0,0,0.5);
}

/* ── Detail tab ────────────────────────────────────────────────────────── */
.detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--panel);
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  margin-bottom: 8px;
  flex-wrap: wrap;
  gap: 8px;
}
.warn-badge {
  font-weight: bold;
  font-size: 12px;
  padding: 3px 12px;
  border-radius: var(--radius-sm);
}

/* ── Chart grids ───────────────────────────────────────────────────────── */
.charts-grid-2x3 {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 8px;
  flex: 1;
  min-height: 0;
}
.charts-grid-2x2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 8px;
  flex: 1;
  min-height: 0;
}
.chart-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  position: relative;
}
.chart-box canvas { flex: 1; width: 100% !important; height: 100% !important; }
.span2 { grid-column: span 2; }

/* ── ARC-99 Parameters tab ─────────────────────────────────────────────── */
.arc99-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  flex: 1;
  min-height: 0;
}
.arc99-report {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  overflow-y: auto;
  font-size: 12px;
  line-height: 1.85;
}
.arc99-report::-webkit-scrollbar { width: 5px; }
.arc99-report::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.arc99-bar-wrap { min-height: 200px; }

.param-row { display: flex; align-items: baseline; gap: 10px; margin: 4px 0; }
.param-sym  { font-size: 20px; font-weight: bold; min-width: 28px; }
.param-val  { font-size: 18px; font-weight: bold; min-width: 90px; font-family: var(--font-mono); }
.param-desc { font-size: 10px; color: var(--muted); font-style: italic; }
.arc99-section { font-size: 11px; color: var(--muted); margin: 8px 0 4px; letter-spacing: 0.5px; }
.arc99-regime  { color: var(--success); font-size: 12px; margin-bottom: 10px; }
.arc99-stats   { font-size: 10px; color: var(--muted); border-top: 1px solid var(--border); padding-top: 8px; margin-top: 8px; }
.arc99-stats div { display: flex; gap: 8px; }
.arc99-stats .sk { min-width: 110px; }
.fit-valid   { color: var(--success); font-weight: bold; }
.fit-invalid { color: var(--warn-warn); font-weight: bold; }

/* ── Status bar ────────────────────────────────────────────────────────── */
.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #010409;
  border-top: 1px solid var(--border);
  padding: 4px 14px;
  font-size: 10px;
  gap: 12px;
}
.formula { opacity: 0.35; }

/* ── Leaflet dark overrides ─────────────────────────────────────────────── */
.leaflet-popup-content-wrapper { background: var(--panel); color: var(--txt); border: 1px solid var(--border); border-radius: var(--radius-md); }
.leaflet-popup-tip             { background: var(--panel); }
.leaflet-bar a                 { background: var(--panel2); color: var(--txt); border-color: var(--border); }
.leaflet-bar a:hover           { background: var(--panel); }

/* ── Responsive tweaks ─────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .swarm-panel         { width: 280px; }
  .charts-grid-2x3     { grid-template-columns: 1fr 1fr; grid-template-rows: repeat(3, 1fr); }
  .span2               { grid-column: span 2; }
  .arc99-layout        { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .main-layout         { flex-direction: column; height: auto; }
  .swarm-panel         { width: 100%; height: 280px; border-right: none; border-bottom: 1px solid var(--border); }
  .charts-grid-2x3,
  .charts-grid-2x2     { grid-template-columns: 1fr; }
  .span2               { grid-column: span 1; }
}

/* Savage Mode Block */
.arc99-block {
  background: #0a0a0a;
  border: 1px solid #222;
  padding: 25px;
  margin: 40px auto;
  max-width: 900px;
  border-radius: 10px;
  color: #e0e0e0;
  line-height: 1.6;
  box-shadow: 0 0 15px rgba(0, 255, 120, 0.15);
}

.arc99-block h2 {
  color: #39ff14;
  text-shadow: 0 0 8px #39ff14;
  margin-bottom: 15px;
  text-align: center;
}

.arc99-block strong {
  color: #39ff14;
  text-shadow: 0 0 6px #39ff14;
}


/* Technical About Section */
.about {
  background: #111;
  border: 1px solid #222;
  padding: 25px;
  margin: 40px auto;
  max-width: 900px;
  border-radius: 10px;
  color: #ddd;
  line-height: 1.6;
}

.about h2, .about h3 {
  color: #39ff14;
  text-shadow: 0 0 6px #39ff14;
}

.about ul li strong {
  color: #39ff14;
}

.about-btn {
  background: #39ff14;
  color: #000;
  border: none;
  padding: 7px 18px;   /* MATCHES FETCH BUTTON */
  font-size: 12px;     /* MATCHES FETCH BUTTON */
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: bold;
  transition: 0.2s;
}

.about-btn:hover {
  background: #2bd40f;
  box-shadow: 0 0 10px #39ff14;
}

.slide-container {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease;
}
.slide-container.open {
  max-height: 2000px; /* big enough to fit both blocks */
}
/* Modal Background */
.modal {
  display: none;
  position: fixed;
  z-index: 9999;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
}

/* Modal Window */
.modal-content {
  background: #0a0a0a;
  width: 70%;
  max-width: 1100px;
  max-height: 80vh;   /* perfect height */
  margin: 60px auto;
  border-radius: 10px;
  border: 1px solid #222;
  box-shadow: 0 0 20px rgba(57, 255, 20, 0.25);
  display: flex;
  flex-direction: column;
  animation: popupFade 0.25s ease;
}

/* Header */
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  border-bottom: 1px solid #222;
}

.modal-title {
  color: #39ff14;
  font-size: 20px;
  text-shadow: 0 0 6px #39ff14;
}

/* Close Button */
.close-btn {
  font-size: 22px;
  cursor: pointer;
  color: #39ff14;
  text-shadow: 0 0 6px #39ff14;
}

.close-btn:hover {
  color: #2bd40f;
  text-shadow: 0 0 10px #39ff14;
}

/* Scrollable Body (adjusted for smaller window) */
/* Fix ABOUT modal text spacing */
.modal-body p {
  margin-bottom: 18px;
  line-height: 1.75;
  white-space: normal;
}

/* Popup Animation */
@keyframes popupFade {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}