/* ============================================================
   style.css — 全スタイル（テーマCSS変数含む）
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700;900&family=JetBrains+Mono:wght@400;600&display=swap');

/* ---- CSS Variables ---- */
:root {
  --bg-panel: rgba(255, 255, 255, 0.5);
  --border-panel: rgba(0, 0, 0, 0.08);
  --text-primary: #1a1a1a;
  --text-secondary: #666;
  --text-muted: #999;
  --contour-label-bg: rgba(255, 255, 255, 0.82);
  --marker-stroke: #fff;
  --excluded-marker-highlight: #ff2d55;
  --dest-ring-5km-stroke: rgba(255, 107, 107, 0.85);
  --dest-ring-10km-stroke: rgba(255, 140, 102, 0.75);
  --dest-ring-15km-stroke: rgba(255, 184, 107, 0.70);
  --dest-ring-20km-stroke: rgba(235, 201, 99, 0.66);
  --dest-ring-30km-stroke: rgba(176, 204, 93, 0.62);
  --dest-ring-40km-stroke: rgba(104, 184, 130, 0.58);
  --dest-ring-50km-stroke: rgba(76, 158, 170, 0.54);
  --dest-ring-fill: rgba(255, 107, 107, 0.10);
  --title-gradient-start: rgba(255, 255, 255, 0.94);
  --title-gradient-end: rgba(255, 255, 255, 0);
  --title-text: #1a1a1a;
  --toggle-bg: rgba(0, 0, 0, 0.1);
  --toggle-knob: #999;
  --ctrl-label-color: #555;
  --ctrl-info-border: rgba(0, 0, 0, 0.06);
  --leaflet-bg: #f5f3ef;
}

[data-theme="dark"] {
  --bg-panel: rgba(10, 10, 15, 0.5);
  --border-panel: rgba(255, 255, 255, 0.08);
  --text-primary: #e0e0e0;
  --text-secondary: #aaa;
  --text-muted: #666;
  --contour-label-bg: rgba(10, 10, 15, 0.75);
  --marker-stroke: #444;
  --excluded-marker-highlight: #ff6680;
  --dest-ring-5km-stroke: rgba(255, 140, 140, 0.9);
  --dest-ring-10km-stroke: rgba(255, 174, 128, 0.8);
  --dest-ring-15km-stroke: rgba(255, 210, 150, 0.75);
  --dest-ring-20km-stroke: rgba(238, 222, 143, 0.72);
  --dest-ring-30km-stroke: rgba(196, 225, 137, 0.69);
  --dest-ring-40km-stroke: rgba(135, 211, 170, 0.66);
  --dest-ring-50km-stroke: rgba(112, 194, 205, 0.63);
  --dest-ring-fill: rgba(255, 128, 128, 0.14);
  --title-gradient-start: rgba(10, 10, 15, 0.94);
  --title-gradient-end: rgba(10, 10, 15, 0);
  --title-text: #fff;
  --toggle-bg: rgba(255, 255, 255, 0.1);
  --toggle-knob: #666;
  --ctrl-label-color: #bbb;
  --ctrl-info-border: rgba(255, 255, 255, 0.06);
  --leaflet-bg: #1a1a2e;
}

/* ---- Reset ---- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  overflow: hidden;
  height: 100vh;
  color: var(--text-primary);
}

#map {
  width: 100%;
  height: 100vh;
  z-index: 1;
}

/* ---- Title bar ---- */
.title-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(180deg, var(--title-gradient-start) 0%, color-mix(in srgb, var(--title-gradient-start) 50%, transparent) 80%, var(--title-gradient-end) 100%);
  padding: 14px 20px 28px;
  pointer-events: none;
}

.title-bar h1 {
  font-weight: 900;
  font-size: 19px;
  letter-spacing: 0.04em;
  color: var(--title-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.title-bar h1 .accent {
  background: linear-gradient(135deg, #ff6b6b, #ffa502);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
}

.title-bar .subtitle {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 3px;
  font-family: 'JetBrains Mono', monospace;
}

/* ---- Search ---- */
.search-container {
  margin-top: 10px;
  pointer-events: auto;
  max-width: 300px;
}

#station-search {
  width: 100%;
  padding: 8px 12px;
  border-radius: 20px;
  border: 1px solid var(--border-panel);
  background: var(--bg-panel);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13px;
  outline: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  transition: box-shadow 0.2s, border-color 0.2s;
}

#station-search:focus {
  border-color: #ff6b6b;
  box-shadow: 0 4px 12px rgba(255,107,107,0.15);
}

#station-search::placeholder {
  color: var(--text-muted);
}

/* ---- Settings gear button ---- */
.btn-settings {
  position: fixed;
  top: 76px;
  right: 16px;
  z-index: 1001;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-panel);
  background: var(--bg-panel);
  backdrop-filter: blur(14px);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text-secondary);
  transition: transform 0.3s;
}

.btn-settings:hover {
  transform: rotate(30deg);
}

/* ---- Settings panel ---- */
.settings-panel {
  position: fixed;
  top: 124px;
  right: 16px;
  z-index: 1000;
  background: var(--bg-panel);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-panel);
  border-radius: 12px;
  padding: 14px 16px;
  min-width: 210px;
  max-height: calc(100vh - 140px);
  overflow-y: auto;
  transform: translateX(calc(100% + 20px));
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.25s ease;
  pointer-events: none;
}

.settings-panel.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

.ctrl-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.ctrl-section {
  margin-bottom: 12px;
}

.ctrl-section:last-child {
  margin-bottom: 0;
}

.ctrl-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  cursor: pointer;
  user-select: none;
}

.ctrl-row:last-child {
  margin-bottom: 0;
}

.ctrl-row input[type="checkbox"] {
  display: none;
}

.ctrl-toggle {
  width: 34px;
  height: 18px;
  border-radius: 9px;
  background: var(--toggle-bg);
  position: relative;
  transition: background 0.25s;
  flex-shrink: 0;
}

.ctrl-toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--toggle-knob);
  transition: all 0.25s;
}

.ctrl-row input:checked + .ctrl-toggle {
  background: rgba(255, 107, 107, 0.5);
}

.ctrl-row input:checked + .ctrl-toggle::after {
  left: 18px;
  background: #ff6b6b;
}

.ctrl-label {
  font-size: 12px;
  color: var(--ctrl-label-color);
}

.ctrl-select {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.ctrl-select select {
  flex: 1;
  font-size: 11px;
  font-family: 'Noto Sans JP', sans-serif;
  padding: 4px 6px;
  border-radius: 6px;
  border: 1px solid var(--border-panel);
  background: var(--bg-panel);
  color: var(--text-primary);
  cursor: pointer;
}

.ctrl-time {
  flex: 1;
  min-width: 92px;
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  padding: 4px 6px;
  border-radius: 6px;
  border: 1px solid var(--border-panel);
  background: var(--bg-panel);
  color: var(--text-primary);
}

.ctrl-select input[type="range"] {
  flex: 1;
  accent-color: #ff6b6b;
}

.ctrl-value {
  min-width: 28px;
  text-align: right;
  font-size: 11px;
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
}

.ctrl-info {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--ctrl-info-border);
  line-height: 1.5;
  font-family: 'JetBrains Mono', monospace;
}

.ctrl-info span {
  color: var(--text-secondary);
  font-weight: 600;
}

.btn-devtools {
  display: block;
  width: 100%;
  margin-top: 10px;
  padding: 6px 10px;
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  background: var(--toggle-bg);
  border: 1px solid var(--border-panel);
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.2s;
}

.btn-devtools:hover {
  background: rgba(255, 107, 107, 0.15);
}

/* ---- Legend ---- */
.legend {
  position: fixed;
  bottom: 20px;
  left: 16px;
  z-index: 1000;
  background: var(--bg-panel);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-panel);
  border-radius: 12px;
  padding: 14px 18px;
  min-width: 200px;
  max-height: calc(100dvh - 40px);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.legend-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.legend-lines {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: 12px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.legend-swatch {
  width: 28px;
  height: 3px;
  border-radius: 2px;
  flex-shrink: 0;
}

.legend-swatch.thick {
  height: 4px;
}

.legend-time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-secondary);
  min-width: 38px;
}

.legend-gradient-bar {
  height: 12px;
  border-radius: 6px;
  margin-bottom: 6px;
  display: none;
}

.legend-gradient-labels {
  display: none;
  position: relative;
  height: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--text-muted);
}

.legend-gradient-labels span {
  position: absolute;
  top: 0;
  white-space: nowrap;
}

.legend-threshold {
  display: none;
  align-items: center;
  gap: 7px;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--ctrl-info-border);
}

.legend-threshold-symbol {
  width: 24px;
  height: 12px;
  border-radius: 3px;
  border: 2px solid currentColor;
  box-shadow: inset 12px 0 0 rgba(0, 0, 0, 0.42);
  color: var(--text-secondary);
  flex-shrink: 0;
}

.legend-threshold-text {
  font-size: 10px;
  color: var(--text-secondary);
  line-height: 1.35;
}

.legend-excluded {
  display: none;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--ctrl-info-border);
}

.legend-excluded-symbol {
  font-size: 17px;
  line-height: 1;
  color: var(--text-secondary);
  font-family: sans-serif;
}

.legend-excluded-text {
  font-size: 10px;
  color: var(--text-secondary);
  line-height: 1.35;
}

/* ---- Tooltip ---- */
.station-tooltip {
  background: var(--bg-panel) !important;
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-panel) !important;
  border-radius: 10px !important;
  padding: 12px 16px !important;
  font-family: 'Noto Sans JP', sans-serif !important;
  color: var(--text-primary) !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3) !important;
  min-width: 180px;
}

.station-tooltip::before {
  border: none !important;
}

.tt-name {
  font-weight: 900;
  font-size: 15px;
  color: var(--title-text);
  margin-bottom: 6px;
}

.tt-time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 4px;
}

.tt-travel {
  font-size: 11px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

.tt-divider {
  height: 1px;
  background: var(--border-panel);
  margin: 6px 0;
}

.tt-line {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.tt-route {
  white-space: normal;
  overflow-wrap: normal;
  word-break: keep-all;
  line-height: 1.65;
  font-size: 10px;
}

.tt-route-line {
  display: block;
  white-space: nowrap;
  overflow-wrap: normal;
  word-break: keep-all;
}

.tt-detail {
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1.5;
}

.tt-excluded {
  display: inline-block;
  margin: 2px 0 4px;
  padding: 2px 6px;
  border: 1px solid var(--border-panel);
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  color: var(--text-secondary);
  background: color-mix(in srgb, var(--bg-panel) 75%, transparent);
}

/* ---- Station labels ---- */
.station-label {
  background: none !important;
  border: none !important;
  box-shadow: none !important;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  pointer-events: none !important;
}

[data-theme="light"] .station-label {
  text-shadow: 0 0 3px rgba(255, 255, 255, 0.8), 0 0 6px rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .station-label {
  text-shadow: 0 0 3px rgba(0, 0, 0, 0.8), 0 0 6px rgba(0, 0, 0, 0.5);
}

.station-label .sl-time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  opacity: 0.7;
}

.station-label .sl-detail {
  font-size: 9px;
  font-weight: 400;
  opacity: 0.6;
}

/* ---- Destination pulse ---- */
@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.8); opacity: 0; }
  100% { transform: scale(1); opacity: 0; }
}

.dest-marker {
  width: 16px;
  height: 16px;
  background: #ff6b6b;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 0 12px rgba(255, 107, 107, 0.6);
  position: relative;
}

.dest-marker::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid #ff6b6b;
  animation: pulse 2s ease-out infinite;
}

/* ---- 3D Canvas ---- */
#canvas-3d {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 1;
  display: none;
}

#canvas-3d canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

.ctrl-row.disabled {
  opacity: 0.35;
  pointer-events: none;
}

/* ---- Leaflet overrides ---- */
.leaflet-container {
  background: var(--leaflet-bg);
}

.leaflet-tile-pane.invert-tiles {
  filter: invert(1) hue-rotate(180deg) brightness(0.95) contrast(1.1);
}

.leaflet-control-zoom a {
  background: var(--bg-panel) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-panel) !important;
}

.leaflet-control-attribution {
  background: var(--bg-panel) !important;
  color: var(--text-muted) !important;
}

.leaflet-control-attribution a {
  color: var(--text-secondary);
}

.station-tooltip-wrapper {
  background: none !important;
  border: none !important;
  box-shadow: none !important;
  padding: 0 !important;
}

.station-tooltip-wrapper::before {
  display: none !important;
}

/* ---- DevTools ---- */
.devtools-section {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--ctrl-info-border);
}

.devtools-group {
  margin-bottom: 12px;
}

.devtools-group:last-child {
  margin-bottom: 0;
}

.devtools-group-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.devtools-field {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  cursor: pointer;
  user-select: none;
}

.devtools-field input[type="checkbox"] {
  display: none;
}

.devtools-field-label {
  font-size: 11px;
  color: var(--ctrl-label-color);
  min-width: 52px;
  flex-shrink: 0;
}

.devtools-input {
  flex: 1;
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  padding: 4px 6px;
  border-radius: 5px;
  border: 1px solid var(--border-panel);
  background: var(--bg-panel);
  color: var(--text-primary);
  min-width: 0;
}

.devtools-input:focus {
  outline: none;
  border-color: rgba(255, 107, 107, 0.5);
}

.devtools-input-sm {
  width: 40px;
  flex: none;
  text-align: center;
}

.devtools-time-inputs {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-secondary);
}

.devtools-btn-row {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.devtools-btn {
  padding: 4px 10px;
  font-size: 10px;
  font-family: 'JetBrains Mono', monospace;
  background: var(--toggle-bg);
  border: 1px solid var(--border-panel);
  border-radius: 5px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.2s;
}

.devtools-btn:hover {
  background: rgba(255, 107, 107, 0.15);
}

.devtools-btn-primary {
  background: rgba(255, 107, 107, 0.2);
  color: #ff6b6b;
  border-color: rgba(255, 107, 107, 0.3);
}

.devtools-btn-primary:hover {
  background: rgba(255, 107, 107, 0.35);
}

.devtools-btn-full {
  display: block;
  width: 100%;
  margin-bottom: 4px;
}

.devtools-btn-full:last-child {
  margin-bottom: 0;
}

.devtools-btn-success {
  background: rgba(40, 200, 120, 0.2) !important;
  color: #28c878 !important;
  border-color: rgba(40, 200, 120, 0.3) !important;
}

.devtools-validation {
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  line-height: 1.6;
}

.devtools-success {
  color: var(--text-secondary);
}

.devtools-error {
  color: #ff6b6b;
}

/* Mobile Chromium/WebView can expose hairline gaps between opaque base
   map tiles while browser chrome or zoom is moving, so overlap only those.
   Never overlap semi-transparent overlay tiles: their alpha would be applied
   twice at each 256px boundary and appear as a dark grid. */
@media (pointer: coarse), (max-width: 600px) {
  .leaflet-tile-pane img.leaflet-tile {
    width: 257px !important;
    height: 257px !important;
    display: block;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
  }

  .leaflet-overlay-pane svg.isochrone-contour-tile,
  .leaflet-overlay-pane canvas.isochrone-gradient-tile,
  .leaflet-overlay-pane canvas.isochrone-departure-threshold-tile {
    width: 256px !important;
    height: 256px !important;
    display: block;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
  }
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
  .title-bar {
    padding: 10px 14px 20px;
  }

  .title-bar h1 {
    font-size: 16px;
  }

  .title-bar .subtitle {
    font-size: 10px;
  }

  .settings-panel {
    right: 8px;
    min-width: 180px;
  }

  .legend {
    left: 8px;
    bottom: max(10px, env(safe-area-inset-bottom));
    padding: 10px 14px;
    min-width: 160px;
    max-width: calc(100vw - 16px);
    max-height: min(62dvh, 360px);
  }

  .btn-settings {
    right: 8px;
  }
}