:root {
  --bg: #0b0d12;
  --panel: rgba(22, 25, 32, 0.78);
  --border: rgba(255, 255, 255, 0.1);
  --text: #e9eef7;
  --muted: #9aa3b2;
  --accent: #4ea1ff;
  --accent-2: #7cddff;
  --chip: #1e2735;
  --danger: #ff6b6b;
  --ok: #2ecc71;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  --radius: 14px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f7fb;
    --panel: rgba(255, 255, 255, 0.92);
    --border: rgba(0, 0, 0, 0.07);
    --text: #0f1728;
    --muted: #5e6b80;
    --chip: #eef2f8;
    --shadow: 0 10px 30px rgba(13, 27, 62, 0.12);
  }
}

html,
body {
  height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans JP", sans-serif;
}

#map {
  height: 100vh;
  width: 100%;
}

.panel {
  position: absolute;
  inset: auto auto 20px 20px;
  z-index: 1000;
  display: flex;
  max-height: calc(100vh - 40px);
  width: 360px;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.panel.hidden {
  transform: translateX(-110%);
  opacity: 0;
  pointer-events: none;
}

.panel header,
.modal-card header {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: space-between;
  padding: 12px 14px 10px;
  border-bottom: 1px solid var(--border);
}

.title {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.sub {
  color: var(--muted);
  font-size: 12px;
}

.content,
.modal-footer {
  padding: 10px 12px 14px;
}

.content {
  overflow: auto;
}

.panel-grid,
.legend-grid,
.history-list {
  gap: 10px;
}

.row,
.search,
.switch,
.btn,
.badge {
  display: inline-flex;
  align-items: center;
}

.row {
  gap: 10px;
}

.row.wrap {
  flex-wrap: wrap;
}

.space-between {
  justify-content: space-between;
}

.grid {
  display: grid;
  gap: 8px;
}

.grid.cols-2 {
  grid-template-columns: 1fr 1fr;
}

.align-right,
.switch-right {
  justify-self: end;
  text-align: right;
}

.search {
  gap: 8px;
  border-radius: 10px;
  background: var(--chip);
  padding: 6px 10px;
}

.search input {
  all: unset;
  flex: 1;
}

.badge {
  gap: 6px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
}

.badge.ok {
  border-color: #1f9d64;
  color: #1f9d64;
}

.badge.warn {
  border-color: #b45309;
  color: #b45309;
}

.switch {
  gap: 8px;
  cursor: pointer;
}

.switch input {
  position: relative;
  height: 22px;
  width: 42px;
  appearance: none;
  border-radius: 999px;
  background: #778;
  outline: none;
  transition: 0.2s;
}

.switch input:checked {
  background: var(--accent);
}

.switch input::after {
  position: absolute;
  top: 3px;
  left: 3px;
  height: 16px;
  width: 16px;
  border-radius: 50%;
  background: #fff;
  content: "";
  transition: 0.2s;
}

.switch input:checked::after {
  transform: translateX(20px);
}

.slider-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
}

.slider-label {
  width: 84px;
}

input[type="range"] {
  height: 6px;
  width: 100%;
  appearance: none;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  height: 18px;
  width: 18px;
  appearance: none;
  cursor: pointer;
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: #fff;
}

.cat-line {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
}

.dot {
  height: 10px;
  width: 10px;
  border-radius: 50%;
}

.heat-legend {
  height: 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: linear-gradient(90deg, #ffffb2, #fecc5c, #fd8d3c, #f03b20, #bd0026);
}

.btn {
  gap: 8px;
  cursor: pointer;
  border: none;
  border-radius: 10px;
  padding: 8px 12px;
  color: #fff;
  background: var(--accent);
  box-shadow: 0 6px 18px rgba(78, 161, 255, 0.35);
}

.btn.ghost {
  color: var(--text);
  border: 1px solid var(--border);
  background: transparent;
  box-shadow: none;
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.fab,
.mini-fab,
.menu-btn {
  position: absolute;
  z-index: 1001;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.fab {
  right: 22px;
  bottom: 22px;
  gap: 10px;
  border: none;
  border-radius: 16px;
  padding: 14px 18px;
  color: #001018;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 14px 36px rgba(78, 161, 255, 0.45);
  font-weight: 700;
  letter-spacing: 0.2px;
}

.spinner {
  display: none;
  height: 16px;
  width: 16px;
  border: 2px solid rgba(0, 0, 0, 0.2);
  border-top-color: #001018;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.fab.loading .spinner {
  display: inline-block;
}

.menu-btn,
.mini-fab {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--panel);
  color: var(--text);
  box-shadow: var(--shadow);
}

.menu-btn {
  top: 14px;
  left: 14px;
  padding: 8px;
}

.mini-fab {
  right: 22px;
  bottom: 86px;
  height: 44px;
  width: 44px;
}

details {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px;
  background: rgba(255, 255, 255, 0.03);
}

details > summary {
  cursor: pointer;
  list-style: none;
}

details > summary::-webkit-details-marker {
  display: none;
}

.dev-label {
  color: #fff;
  font-weight: 700;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.toast {
  position: absolute;
  bottom: 92px;
  left: 50%;
  z-index: 1002;
  display: none;
  transform: translateX(-50%);
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  padding: 10px 14px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(3px);
}

.modal {
  width: 100%;
  max-width: min(640px, 92vw);
  padding: 0 12px;
}

.modal-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.modal-card .body {
  max-height: min(70vh, 520px);
  overflow: auto;
  padding: 12px 14px;
}

.modal-close {
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--text);
}

.modal h3 {
  margin: 10px 0 6px;
  font-size: 15px;
}

.modal p,
.history-empty {
  margin: 4px 0;
  color: var(--muted);
}

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

.modal-footer {
  border-top: 1px solid var(--border);
}

.history-list {
  display: grid;
}

.history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-radius: 10px;
  background: var(--chip);
  padding: 10px 12px;
}

.history-text {
  min-width: 0;
  flex: 1;
}

.history-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-date {
  margin-top: 2px;
}

.leaflet-top.leaflet-right {
  top: 14px;
  right: 14px;
}

.leaflet-top {
  margin-top: max(10px, env(safe-area-inset-top));
}

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

@media (max-width: 820px) {
  .panel {
    top: 12px;
    right: 12px;
    left: 12px;
    bottom: auto;
    width: auto;
    max-height: 60vh;
  }

  .fab {
    right: 14px;
    bottom: 14px;
  }

  .mini-fab {
    right: 14px;
    bottom: 78px;
  }

  .toast {
    bottom: 84px;
  }
}