/* ─── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-deep:    #0d1117;
  --bg-panel:   #161b22;
  --bg-card:    #1c2330;
  --bg-hover:   #242d3d;
  --border:     #30363d;
  --accent:     #e85c2e;
  --accent-dim: rgba(232,92,46,.18);
  --green:      #3fb950;
  --yellow:     #d29922;
  --text-pri:   #e6edf3;
  --text-sec:   #8b949e;
  --text-dim:   #484f58;
  --font-ui:    'Inter', system-ui, sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Mono', monospace;
  --sidebar-w:  290px;
  --radius:     6px;
  --radius-lg:  10px;
  --transition: 180ms ease;
}

html, body {
  height: 100%;
  background: var(--bg-deep);
  color: var(--text-pri);
  font-family: var(--font-ui);
  font-size: 13px;
  line-height: 1.5;
  overflow: hidden;
}

/* ─── Map ───────────────────────────────────────────────────── */
#map {
  position: fixed;
  inset: 0;
  z-index: 0;
}

/* Dark map via filter on tile pane */
.leaflet-tile-pane {
  filter: invert(100%) contrast(1) grayscale(100%) brightness(.8) !important;
}

.leaflet-control-attribution { font-size: 10px; }

/* ─── Sidebar ───────────────────────────────────────────────── */
#sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  z-index: 1000;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition);
  overflow: hidden;
}

#sidebar.collapsed {
  transform: translateX(calc(-1 * var(--sidebar-w) + 32px));
}
#sidebar.collapsed #sidebar-toggle { transform: rotate(180deg); }

#sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 10px 12px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

#sidebar-logo {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--accent);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .03em;
}

#sidebar-toggle, #settings-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-sec);
  width: 26px; height: 26px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  transition: color var(--transition), background var(--transition);
  flex-shrink: 0;
}
#sidebar-toggle:hover, #settings-btn:hover {
  color: var(--text-pri); background: var(--bg-hover);
}

/* Scrollable sections */
#trainlist-section {
  flex: 1 1 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
#train-list {
  flex: 1 1 0;
  overflow-y: auto;
  overflow-x: hidden;
}

.panel-section {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--text-dim);
  margin-bottom: 7px;
}

#sidebar-footer {
  padding: 7px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 11px;
  flex-shrink: 0;
}

.indicator {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--text-dim);
  transition: background var(--transition);
}
.indicator.live  { background: var(--green); box-shadow: 0 0 6px var(--green); }
.indicator.error { background: var(--accent); }

/* ─── Server chips ──────────────────────────────────────────── */
#server-list {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.server-chip {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-sec);
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-ui);
  letter-spacing: .02em;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
  white-space: nowrap;
}
.server-chip:hover  { color: var(--text-pri); border-color: var(--accent); background: var(--bg-hover); }
.server-chip.active { border-color: var(--accent); background: var(--accent-dim); color: var(--text-pri); }
.server-chip.offline { opacity: .45; cursor: not-allowed; }

.chip-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--text-dim);
  flex-shrink: 0;
}
.chip-dot.online { background: var(--green); }

/* ─── Stats grid ─────────────────────────────────────────────── */
#stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 5px;
}
.stat-cell {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 4px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat-value {
  font-size: 17px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-size: 10px;
  color: var(--text-sec);
}

/* ─── Filters ────────────────────────────────────────────────── */
.filter-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.filter-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
  font-size: 12px;
  color: var(--text-sec);
}
.filter-toggle input { display: none; }

.toggle-track {
  width: 26px; height: 15px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  position: relative;
  flex-shrink: 0;
}
.toggle-thumb {
  position: absolute;
  top: 2px; left: 2px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--text-dim);
  transition: transform var(--transition), background var(--transition);
}
.filter-toggle input:checked + .toggle-track { background: var(--accent-dim); border-color: var(--accent); }
.filter-toggle input:checked + .toggle-track .toggle-thumb { transform: translateX(11px); background: var(--accent); }

#filter-search {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-pri);
  padding: 6px 9px;
  font-size: 12px;
  font-family: var(--font-ui);
  outline: none;
  transition: border-color var(--transition);
}
#filter-search:focus { border-color: var(--accent); }

/* ─── Train list ─────────────────────────────────────────────── */
#trainlist-count { color: var(--text-sec); font-size: 10px; font-weight: 400; }

.train-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.train-item:hover    { background: var(--bg-hover); }
.train-item.selected { background: var(--accent-dim); }

.train-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 5px;
  border-radius: 3px;
  letter-spacing: .04em;
  flex-shrink: 0;
  min-width: 32px;
  text-align: center;
}
.badge-eip     { background: rgba(255,193,7,.18); color: #ffc107; }
.badge-eic     { background: rgba(0,188,212,.18); color: #00bcd4; }
.badge-tlk     { background: rgba(156,39,176,.18); color: #ce93d8; }
.badge-ic      { background: rgba(33,150,243,.18); color: #64b5f6; }
.badge-re      { background: rgba(76,175,80,.18); color: #81c784; }
.badge-default { background: var(--bg-card); color: var(--text-sec); }

.train-info   { flex: 1; min-width: 0; }
.train-number { font-size: 12px; font-weight: 600; }
.train-route  { font-size: 11px; color: var(--text-sec); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.train-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; flex-shrink: 0; }
.train-speed { font-size: 11px; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--text-pri); }
.train-speed.fast { color: var(--accent); }

.player-avatar             { width: 18px; height: 18px; border-radius: 50%; border: 1px solid var(--accent); object-fit: cover; flex-shrink: 0; }
.player-avatar-placeholder { width: 18px; height: 18px; border-radius: 50%; background: var(--bg-card); border: 1px solid var(--border); flex-shrink: 0; }

.loading-indicator { color: var(--text-dim); font-size: 12px; padding: 10px; text-align: center; }

/* ─── Settings modal ─────────────────────────────────────────── */
#settings-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(3px);
}
#settings-overlay.hidden { display: none; }

#settings-modal {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 340px;
  box-shadow: 0 12px 40px rgba(0,0,0,.7);
  overflow: hidden;
}

#settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 13px;
}

#settings-close {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-sec);
  width: 24px; height: 24px;
  cursor: pointer;
  font-size: 11px;
  display: flex; align-items: center; justify-content: center;
}
#settings-close:hover { color: var(--text-pri); }

.settings-body { padding: 16px; }

#apikey-area {
  display: flex;
  gap: 6px;
  margin-bottom: 6px;
}
#apikey-input {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-pri);
  padding: 7px 9px;
  font-size: 12px;
  font-family: var(--font-mono);
  outline: none;
  transition: border-color var(--transition);
}
#apikey-input:focus { border-color: var(--accent); }

#apikey-save {
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  color: #fff;
  cursor: pointer;
  padding: 7px 12px;
  font-size: 13px;
  font-weight: 700;
  transition: opacity var(--transition);
}
#apikey-save:hover    { opacity: .85; }
#apikey-save:disabled { opacity: .4; cursor: not-allowed; }

#apikey-status {
  font-size: 11px;
  color: var(--text-sec);
  min-height: 16px;
}
#apikey-cooldown {
  font-size: 11px;
  color: var(--yellow);
  margin-top: 3px;
}
#apikey-cooldown.hidden { display: none; }

/* ─── Detail panel ───────────────────────────────────────────── */
#detail-panel {
  position: fixed;
  bottom: 20px;
  left: calc(var(--sidebar-w) + 14px);
  width: 320px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  z-index: 1001;
  box-shadow: 0 8px 32px rgba(0,0,0,.6);
}
#sidebar.collapsed ~ #detail-panel { left: 46px; }
#detail-panel.hidden { display: none; }

#detail-close {
  position: absolute;
  top: 9px; right: 9px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-sec);
  width: 24px; height: 24px;
  cursor: pointer;
  font-size: 11px;
  display: flex; align-items: center; justify-content: center;
}
#detail-close:hover { color: var(--text-pri); }
#detail-content { padding: 14px; }

.detail-header { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; }
.detail-badge  { font-size: 11px; font-weight: 700; padding: 3px 7px; border-radius: var(--radius); flex-shrink: 0; }
.detail-title  { flex: 1; }
.detail-number { font-size: 18px; font-weight: 700; line-height: 1; }
.detail-route  { font-size: 11px; color: var(--text-sec); margin-top: 2px; }

.detail-row { display: flex; justify-content: space-between; align-items: center; padding: 4px 0; border-bottom: 1px solid var(--border); font-size: 12px; }
.detail-row:last-child { border-bottom: none; }
.detail-key { color: var(--text-sec); }
.detail-val { font-weight: 500; font-variant-numeric: tabular-nums; }
.detail-val.fast { color: var(--accent); }

.player-info { display: flex; align-items: center; gap: 9px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 7px 9px; margin-bottom: 9px; }
.player-info img { width: 32px; height: 32px; border-radius: 50%; border: 2px solid var(--accent); object-fit: cover; }
.player-name   { font-weight: 600; font-size: 12px; }
.player-steamid{ font-size: 10px; color: var(--text-sec); font-family: var(--font-mono); }

/* ─── Map markers ────────────────────────────────────────────── */
.train-marker-outer { position: relative; }
.train-dot {
  width: 13px; height: 13px;
  border-radius: 50%;
  border: 2px solid #fff;
  cursor: pointer;
  transition: transform .15s;
}
.train-dot:hover { transform: scale(1.4); }
.train-dot.bot  { background: #5c7a9e; border-color: #8ab4d4; }
.train-dot.user { background: var(--accent); border-color: #ff8c60; }
.train-dot.fast { box-shadow: 0 0 5px var(--accent); }

.train-label {
  position: absolute;
  left: 16px; top: -3px;
  background: rgba(13,17,23,.85);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 4px;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-pri);
  white-space: nowrap;
  pointer-events: none;
}

.station-marker           { width: 9px; height: 9px; border-radius: 50%; background: #3fb950; border: 2px solid #1c2330; cursor: pointer; }
.station-marker.dispatched{ background: #ffc107; }

/* ─── Leaflet popup override ─────────────────────────────────── */
.leaflet-popup-content-wrapper { background: var(--bg-panel) !important; border: 1px solid var(--border) !important; border-radius: var(--radius-lg) !important; box-shadow: 0 4px 20px rgba(0,0,0,.5) !important; color: var(--text-pri) !important; }
.leaflet-popup-tip { background: var(--bg-panel) !important; }
.leaflet-popup-content { font-family: var(--font-ui); font-size: 12px; }

/* scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg-panel); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }