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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
  background: #f0f4f8;
  color: #333;
  min-height: 100vh;
}

header {
  background: linear-gradient(135deg, #e84393, #fd79a8);
  color: white;
  padding: 16px 20px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

header h1 {
  font-size: 22px;
  font-weight: 700;
}

header .subtitle {
  font-size: 13px;
  opacity: 0.9;
  margin-top: 4px;
}

main {
  max-width: 600px;
  margin: 0 auto;
  padding: 12px;
}

/* ステータスバー */
.status-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  background: white;
  border-radius: 10px;
  padding: 10px 16px;
  margin-bottom: 12px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
  font-size: 14px;
}

.status-bar.running {
  border-left: 4px solid #00b894;
}

.status-bar.stopped {
  border-left: 4px solid #fdcb6e;
}

.status-icon {
  font-size: 18px;
}

.last-updated {
  margin-left: auto;
  font-size: 11px;
  color: #999;
}

/* 到着予測パネル */
.estimate-panel {
  background: white;
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.panel-header h2 {
  font-size: 16px;
  color: #2d3436;
}

.direction-selector {
  margin-bottom: 12px;
}

.direction-selector label {
  font-size: 13px;
  color: #636e72;
  display: block;
  margin-bottom: 4px;
}

.direction-selector select {
  width: 100%;
  padding: 10px 12px;
  border: 2px solid #e84393;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  background: #ffeef5;
  color: #e84393;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23e84393' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

.direction-selector select:focus {
  outline: none;
  border-color: #d63384;
}

.stop-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.stop-selector label {
  font-size: 13px;
  color: #636e72;
  width: 100%;
}

.stop-selector select {
  flex: 1;
  min-width: 0;
  padding: 10px 12px;
  border: 2px solid #dfe6e9;
  border-radius: 8px;
  font-size: 14px;
  background: white;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23636e72' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

.stop-selector select:focus {
  outline: none;
  border-color: #e84393;
}

/* ボタン */
.btn {
  padding: 10px 16px;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #e84393, #fd79a8);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(232, 67, 147, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-location {
  background: #0984e3;
  color: white;
  font-size: 12px;
  padding: 8px 12px;
}

.btn-location:hover {
  background: #0873c7;
}

/* 到着結果 */
.estimate-result {
  margin-top: 16px;
  padding: 16px;
  border-radius: 10px;
  background: #ffeef5;
  border: 1px solid #fdccd8;
}

.estimate-result.hidden {
  display: none;
}

.estimate-target {
  font-size: 14px;
  color: #636e72;
  margin-bottom: 8px;
}

.estimate-time {
  font-size: 36px;
  font-weight: 800;
  color: #e84393;
  line-height: 1.2;
}

.estimate-time .unit {
  font-size: 16px;
  font-weight: 600;
}

.estimate-meta {
  display: flex;
  gap: 12px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.meta-item {
  font-size: 13px;
  color: #636e72;
}

.estimate-source {
  margin-top: 8px;
  font-size: 12px;
  color: #999;
  display: flex;
  align-items: center;
  gap: 6px;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 600;
}

.badge-traffic {
  background: #00b894;
  color: white;
}

.estimate-detail {
  font-size: 12px;
  color: #999;
  margin-top: 6px;
}

.estimate-no-bus {
  text-align: center;
  padding: 20px;
  color: #636e72;
}

.estimate-no-bus .icon {
  font-size: 40px;
  margin-bottom: 8px;
}

.estimate-no-bus .message {
  font-size: 15px;
  font-weight: 600;
}

.estimate-no-bus .sub {
  font-size: 12px;
  color: #999;
  margin-top: 4px;
}

/* 地図 */
#map {
  width: 100%;
  height: 350px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
  margin-bottom: 12px;
}

/* バス情報 */
.bus-info {
  background: white;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
  margin-bottom: 12px;
}

.bus-info.hidden {
  display: none;
}

.bus-info h3 {
  font-size: 15px;
  margin-bottom: 10px;
  color: #2d3436;
}

.bus-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  background: #f8f9fa;
  border-radius: 8px;
  margin-bottom: 8px;
}

.bus-card:last-child {
  margin-bottom: 0;
}

.bus-card .bus-icon {
  font-size: 28px;
}

.bus-card .bus-detail {
  flex: 1;
}

.bus-card .bus-route {
  font-weight: 600;
  font-size: 14px;
}

.bus-card .bus-pos {
  font-size: 11px;
  color: #999;
}

/* フッター */
footer {
  text-align: center;
  padding: 16px;
  font-size: 11px;
  color: #999;
  max-width: 600px;
  margin: 0 auto;
}

footer a {
  color: #e84393;
}

footer .note {
  margin-top: 4px;
  font-size: 10px;
}

/* アニメーション */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.loading {
  animation: pulse 1.5s ease-in-out infinite;
}

/* レスポンシブ */
@media (max-width: 480px) {
  header h1 { font-size: 18px; }
  main { padding: 8px; }
  #map { height: 280px; }
  .estimate-time { font-size: 28px; }
  .panel-header { flex-direction: column; gap: 8px; align-items: flex-start; }
}