/* css/style.css */
:root {
  --primary: #1a73e8;
  --primary-dark: #1557b0;
  --primary-light: #e8f0fe;
  --text: #202124;
  --text-secondary: #5f6368;
  --bg: #f8f9fa;
  --white: #ffffff;
  --border: #dadce0;
  --tab-height: 60px;
  --header-height: 56px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Yu Gothic', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-text-size-adjust: 100%;
}

/* ヘッダー */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.header-title { font-size: 15px; font-weight: 600; }
.header-user { display: flex; align-items: center; gap: 8px; font-size: 13px; }

.logout-btn {
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.4);
  color: white;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
}

/* コンテンツエリア */
.content {
  margin-top: var(--header-height);
  margin-bottom: var(--tab-height);
  padding: 16px;
}

/* タブナビ */
.tab-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--tab-height);
  background: var(--white);
  display: flex;
  border-top: 1px solid var(--border);
  z-index: 100;
  padding-bottom: env(safe-area-inset-bottom);
}

.tab-btn {
  flex: 1;
  border: none;
  background: none;
  margin: 8px 4px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 14px;
  font-family: inherit;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
  -webkit-tap-highlight-color: transparent;
}

.tab-btn.active {
  background: var(--primary);
  color: white;
}

/* タブコンテンツ */
.tab-content { display: none; }
.tab-content.active { display: block; }

/* カード */
.card {
  background: var(--white);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.section-title { font-size: 18px; font-weight: 600; margin-bottom: 20px; }

/* フォーム */
.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 16px;
  font-family: inherit;
  background: var(--white);
  color: var(--text);
  -webkit-appearance: none;
  appearance: none;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-control[readonly] {
  background: var(--bg);
  color: var(--text-secondary);
}

/* カメラ行 */
.camera-row { display: flex; gap: 8px; align-items: stretch; }

.camera-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  border: 1px solid var(--primary-light);
  transition: background 0.15s;
}

.camera-label:active { background: #d2e3fc; }

input[type="file"] { display: none; }

.camera-row .form-control { flex: 1; }

/* ローディング */
.loading {
  display: none;
  color: var(--text-secondary);
  font-size: 12px;
  padding: 4px 2px;
  font-style: italic;
}

/* 手動入力リンク */
.edit-link {
  font-size: 12px;
  color: var(--primary);
  cursor: pointer;
  text-decoration: underline;
  margin-top: 6px;
  display: inline-block;
}

/* 走行距離強調表示 */
.distance-display {
  background: var(--primary);
  color: white;
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  padding: 20px;
  border-radius: 12px;
  letter-spacing: 2px;
}

/* 給油トグル */
.toggle-row { display: flex; gap: 10px; }

.toggle-btn {
  flex: 1;
  padding: 12px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  cursor: pointer;
  font-size: 15px;
  font-family: inherit;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.15s;
}

.toggle-btn.active {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

/* 登録ボタン */
.submit-btn {
  width: 100%;
  padding: 16px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 17px;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
  transition: background 0.15s;
  -webkit-tap-highlight-color: transparent;
}

.submit-btn:active { background: var(--primary-dark); }

.submit-btn:disabled {
  background: var(--text-secondary);
  cursor: not-allowed;
}

/* 出発情報バナー */
.info-banner {
  background: var(--primary-light);
  color: var(--primary);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 20px;
  border-left: 4px solid var(--primary);
  font-weight: 500;
}