:root {
  color-scheme: light;
  --accent: #2f80ff;
  --accent-soft: #e3f0ff;
  --accent-strong: #175ddc;
  --border-soft: #dde2eb;
  --text-main: #222;
  --text-sub: #666;
  --bg: #f5f6f8;
  --control-radius: 10px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text-main);
}

body {
  display: flex;
  flex-direction: column;
}

#app {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* --- コントロールエリア --- */

#controls {
  flex: 0 0 auto;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
  padding: env(safe-area-inset-top) 6px 4px;
  position: sticky;
  top: 0;
  z-index: 1000;
}

#controls-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 4px 8px;
}

#controls-title {
  font-size: 13px;
  font-weight: 600;
  margin: 0 0 4px;
  color: var(--text-sub);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  grid-row-gap: 6px;
}

.form-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-label {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--text-sub);
  white-space: nowrap;
}

.form-control-wrap {
  flex: 1 1 auto;
  min-width: 0;
}

.search-input-wrap {
  position: relative;
}

.search-input-wrap input[type="text"] {
  padding-right: 34px;
}

.input-clear-btn {
  position: absolute;
  top: 50%;
  right: 8px;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.18);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, opacity 0.15s ease;
}

.input-clear-btn:hover {
  background: rgba(0, 0, 0, 0.28);
}

.search-input-wrap input[type="text"]:placeholder-shown + .input-clear-btn {
  opacity: 0;
  pointer-events: none;
}

input[type="text"],
input[type="number"],
select {
  width: 100%;
  font-size: 14px;
  padding: 6px 10px;
  border-radius: var(--control-radius);
  border: 1px solid var(--border-soft);
  background: #fff;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color 0.15s, box-shadow 0.15s, background-color 0.15s;
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(47, 128, 255, 0.18);
}

#drawButton {
  width: 110px;
  padding: 8px 0;
  border-radius: 999px;
  border: none;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  box-shadow: 0 3px 8px rgba(23, 93, 220, 0.4);
  cursor: pointer;
  outline: none;
  transition: transform 0.1s ease, box-shadow 0.1s ease, opacity 0.15s ease;
}

#drawButton:active {
  transform: translateY(1px);
  box-shadow: 0 1px 4px rgba(23, 93, 220, 0.35);
}

#drawButton:disabled {
  opacity: 0.6;
  box-shadow: none;
  cursor: default;
}

#selectedStationLabel {
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-sub);
}

/* iOS Safari のフォーム自動ズーム対策 */
input[type="text"],
input[type="number"],
select {
  font-size: 16px;  /* ここが重要。16px 以上にする */
}

/* PC では2〜3列レイアウトにしてコンパクトに */
@media (min-width: 640px) {
  .form-grid {
    grid-template-columns: minmax(0, 2.2fr) minmax(0, 1.4fr) auto auto auto;
    grid-column-gap: 8px;
    align-items: flex-end;
  }

  #drawButton {
    width: 100%;
  }
}

/* --- マップ --- */

#map {
  flex: 1 1 auto;
  min-height: 240px;
  width: 100%;
  position: relative;
}

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

.station-label {
  pointer-events: none;
}

/* --- 現在地ボタン --- */
#currentLocationBtn {
  position: absolute;
  bottom: 80px;
  right: 10px;
  z-index: 1000;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid rgba(0, 0, 0, 0.2);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  outline: none;
}

#currentLocationBtn:hover {
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.25);
  transform: scale(1.05);
}

#currentLocationBtn:active {
  transform: scale(0.95);
}

#currentLocationBtn.active {
  background: #2196F3;
  border-color: #1976D2;
}

#currentLocationBtn svg {
  width: 24px;
  height: 24px;
  fill: #666;
  transition: fill 0.2s ease;
}

#currentLocationBtn.active svg {
  fill: #fff;
}

/* 現在地マーカーのパルスアニメーション */
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(33, 150, 243, 0.7);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(33, 150, 243, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(33, 150, 243, 0);
  }
}

.current-location-marker {
  animation: pulse 1.5s ease-in-out infinite;
}