:root {
  --bg: #e0f7fa;
  --panel: #ffffff;
  --text: #1e3a5f;
  --muted: #5a7a9a;
  --accent: #0288d1;
  --success: #00897b;
  --border: #b2dfdb;
  --text-secondary: #5a7a9a;
  --danger: #dc2626;
  --score-0: #9e9e9e;
  --score-1: #b3e5fc;
  --score-2: #4dd0e1;
  --score-3: #26c6da;
  --score-4: #66bb6a;
  --score-5: #ffee58;
  --score-6: #ffca28;
  --score-7: #ffa726;
  --score-8: #ff7043;
  --score-9: #f4511e;
  --score-10: #d84315;
}
/* ダークモード */
[data-theme="dark"] {
  --bg: #1a1a2e;
  --panel: #16213e;
  --text: #eaeaea;
  --muted: #a0a0a0;
  --accent: #4fc3f7;
  --success: #4caf50;
  --border: #3a3a5c;
  --text-secondary: #b0b0b0;
  --danger: #ef5350;
}
[data-theme="dark"] .leaflet-tile-pane {
  filter: brightness(0.8) contrast(1.1);
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
/* タッチ操作最適化: 300msタップ遅延を防止 */
a, button, input, select, textarea, [onclick], .tab-btn, .sub-tab-btn, .score-btn, .region-card, .prefecture-card {
  touch-action: manipulation;
}
/* レンダリング最適化: 非表示ビューの描画をスキップ */
.view:not(.active) {
  content-visibility: hidden;
}
/* 地図コンテナのGPUコンポジット促進 */
.leaflet-map, #gis-leaflet-map {
  will-change: transform;
}
.material-symbols-outlined {
  font-size: 1.2em;
  vertical-align: middle;
  line-height: 1;
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 20;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans JP", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}
header {
  text-align: center;
  margin-bottom: 30px;
  padding-top: 50px;
  position: relative;
}
.header-top-row {
  display: contents;
}
.header-buttons {
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  gap: 10px;
}
.header-left {
  position: absolute;
  top: 0;
  left: 0;
}
.login-btn {
  padding: 8px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  transition: background 0.2s;
}
.login-btn:hover {
  background: var(--hover);
}
.login-btn.logged-in {
  background: #2563eb;
  border-color: #2563eb;
  color: white;
  display: flex;
  align-items: center;
  gap: 6px;
}
.user-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  font-size: 0.75rem;
  font-weight: bold;
}
.login-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.login-tab {
  flex: 1;
  padding: 10px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 14px;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}
.login-tab:hover {
  color: var(--text);
}
.login-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.login-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}
.login-error {
  color: #ef4444;
  font-size: 13px;
  min-height: 20px;
}
.login-note {
  margin-top: 15px;
  font-size: 12px;
  color: var(--text-secondary);
  text-align: center;
}
.logout-info {
  margin-bottom: 20px;
  text-align: center;
}
.logout-info p {
  margin: 8px 0;
}
.sync-status {
  font-size: 13px;
  color: var(--text-secondary);
}
.lang-selector, .settings-selector {
  position: relative;
  display: inline-block;
}
.lang-toggle, .contact-btn, .settings-toggle {
  padding: 8px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.2s;
  text-decoration: none;
}
.lang-toggle:hover, .contact-btn:hover, .settings-toggle:hover {
  background: var(--border);
  border-color: var(--accent);
}
.lang-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  min-width: 100px;
  z-index: 1000;
  margin-top: 4px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.lang-dropdown.show {
  display: block;
}
.lang-option {
  padding: 10px 16px;
  cursor: pointer;
  color: var(--text);
  font-size: 0.85rem;
  transition: background 0.2s;
}
.lang-option:hover {
  background: var(--border);
}
.lang-option:first-child {
  border-radius: 6px 6px 0 0;
}
.lang-option:last-child {
  border-radius: 0 0 6px 6px;
}
h1 {
  font-size: 2rem;
  margin-bottom: 10px;
  margin-top: 10px;
}
.subtitle {
  color: var(--muted);
  font-size: 0.95rem;
}
.nav-tabs {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-bottom: 30px;
  flex-wrap: wrap;
  padding: 0 10px;
}
.tab-btn {
  padding: 12px 24px;
  background: var(--panel);
  border: 2px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.3s;
}
.tab-btn:hover {
  border-color: var(--accent);
}
.tab-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}
/* サブタブスタイル */
.sub-tab-btn {
  padding: 8px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text);
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
}
.sub-tab-btn:hover {
  border-color: var(--accent);
  background: var(--panel);
}
.sub-tab-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}
.view {
  display: none;
}
.view.active {
  display: block;
}
.dashboard {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
  margin-bottom: 30px;
}
.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
}
.stat-value {
  font-size: 2rem;
  font-weight: bold;
  color: var(--accent);
  margin-bottom: 5px;
}
.stat-label {
  color: var(--muted);
  font-size: 0.9rem;
}
.map-container {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
  min-height: 500px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.leaflet-map {
  width: 100%;
  height: 500px;
  border-radius: 8px;
  background: #b3e5fc;
}
.map-and-list {
  width: 100%;
}
.region-list-section {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.map-svg {
  width: 100%;
  max-width: 900px;
  height: auto;
}
.map-region {
  fill: var(--score-0);
  stroke: var(--border);
  stroke-width: 1;
  cursor: pointer;
  transition: opacity 0.2s;
}
.map-region:hover {
  opacity: 0.8;
}
.municipality-list {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}
.prefecture-section {
  margin-bottom: 20px;
}
.prefecture-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  background: rgba(2, 136, 209, 0.1);
  border-radius: 8px;
  cursor: pointer;
  margin-bottom: 10px;
}
.prefecture-name {
  font-weight: bold;
  font-size: 1.1rem;
}
.prefecture-progress {
  color: var(--muted);
  font-size: 0.9rem;
}
.municipality-grid {
  display: none;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px;
  padding: 10px;
}
.municipality-grid.expanded {
  display: grid;
}
.municipality-item {
  padding: 8px 12px;
  background: #e0e0e0;
  border: 1px solid #b0bec5;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  text-align: center;
  transition: all 0.2s;
  color: #1e3a5f;
}
.municipality-item:hover {
  background: rgba(2, 136, 209, 0.2);
  border-color: var(--accent);
}
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: 20px;
}
.modal.active {
  display: flex;
}
.modal-content {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 30px;
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.modal-title {
  font-size: 1.5rem;
  font-weight: bold;
}
.close-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.close-btn:hover {
  color: var(--text);
}
.score-selector {
  margin-bottom: 25px;
}
.score-label {
  font-weight: bold;
  margin-bottom: 15px;
  display: block;
}
.score-buttons {
  display: grid;
  grid-template-columns: repeat(11, 1fr);
  gap: 5px;
  margin-bottom: 15px;
}
.score-btn {
  padding: 10px 5px;
  border: 2px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.2s;
  font-size: 0.9rem;
}
.score-btn:hover {
  transform: scale(1.05);
}
.score-btn.selected {
  border-color: var(--accent);
  background: var(--accent);
  color: white;
}
.score-info {
  background: rgba(59, 130, 246, 0.1);
  padding: 15px;
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 10px;
}
.detail-form {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.form-group {
  margin-bottom: 15px;
}
.form-label {
  display: block;
  margin-bottom: 5px;
  font-size: 0.9rem;
  color: var(--muted);
}
.form-input {
  width: 100%;
  padding: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 1rem;
}
.form-input:focus {
  outline: none;
  border-color: var(--accent);
}
.airport-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  max-height: 250px;
  overflow-y: auto;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  margin-top: 2px;
}
.airport-suggestion-item {
  padding: 12px 15px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}
.airport-suggestion-item:last-child {
  border-bottom: none;
}
.airport-suggestion-item:hover,
.airport-suggestion-item.selected {
  background: var(--bg);
}
.airport-suggestion-item .airport-code {
  font-weight: bold;
  color: var(--accent);
  font-size: 1rem;
  margin-right: 10px;
}
.airport-suggestion-item .airport-name {
  color: var(--text);
}
.airport-suggestion-item .airport-country {
  color: var(--muted);
  font-size: 0.85rem;
  margin-left: 5px;
}
.fs-calendar-container {
  margin-top: 30px;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.fs-calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}
.fs-calendar-nav {
  display: flex;
  gap: 10px;
}
.fs-calendar-nav button {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 5px 12px;
  cursor: pointer;
  color: var(--text);
}
.fs-calendar-nav button:hover {
  background: var(--border);
}
.fs-calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 5px;
}
.fs-calendar-day-header {
  text-align: center;
  font-weight: bold;
  color: var(--muted);
  padding: 8px;
  font-size: 0.85rem;
}
.fs-calendar-day {
  text-align: center;
  padding: 10px 5px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  min-height: 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.fs-calendar-day.empty {
  background: transparent;
  cursor: default;
}
.fs-calendar-day.has-price {
  background: var(--bg);
  border: 1px solid var(--border);
}
.fs-calendar-day.has-price:hover {
  border-color: var(--accent);
}
.fs-calendar-day.cheapest {
  background: #d4edda;
  border: 2px solid #28a745;
}
.fs-calendar-day.selected {
  background: var(--accent);
  color: white;
}
.fs-calendar-day.selected .fs-day-price {
  color: white;
}
.fs-calendar-day .fs-day-num {
  font-size: 0.9rem;
  color: var(--text);
}
.fs-calendar-day .fs-day-price {
  font-size: 0.75rem;
  font-weight: bold;
  color: var(--accent);
  margin-top: 3px;
}
.fs-calendar-day.cheapest .fs-day-price {
  color: #28a745;
}
.fs-calendar-legend {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 15px;
  font-size: 0.85rem;
  color: var(--muted);
}
.fs-calendar-legend span {
  display: flex;
  align-items: center;
  gap: 5px;
}
.fs-calendar-legend .legend-box {
  width: 16px;
  height: 16px;
  border-radius: 4px;
}
.fs-calendar-legend .legend-cheapest {
  background: #d4edda;
  border: 2px solid #28a745;
}
.fs-calendar-legend .legend-available {
  background: var(--bg);
  border: 1px solid var(--border);
}
.btn-group {
  display: flex;
  gap: 10px;
  margin-top: 25px;
}
.btn {
  flex: 1;
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: bold;
  transition: all 0.2s;
}
.btn-primary {
  background: var(--accent);
  color: white;
}
.btn-primary:hover {
  background: #2563eb;
}
.btn-secondary {
  background: var(--border);
  color: var(--text);
}
.btn-secondary:hover {
  background: #475569;
}
.travellog-tab.active {
  background: var(--accent);
  color: white;
}
.btn-danger {
  background: #dc2626;
  color: white;
}
.btn-danger:hover {
  background: #b91c1c;
}
.btn-success {
  background: #00897b;
  color: white;
}
.btn-success:hover {
  background: #00695c;
}
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 10px;
}
.toolbar-buttons {
  display: flex;
  gap: 10px;
}
.toolbar-btn {
  padding: 8px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
}
.toolbar-btn:hover {
  background: var(--border);
}
.group-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 15px;
}
.group-item {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.2s;
}
.group-item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.group-item-name {
  font-size: 1.1rem;
  font-weight: bold;
  margin-bottom: 8px;
  color: var(--text);
}
.group-item-members {
  font-size: 0.85rem;
  color: var(--muted);
}
.group-scores-table-container {
  overflow-x: auto;
}
.group-scores-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.group-scores-table th,
.group-scores-table td {
  padding: 12px 15px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.group-scores-table th {
  background: rgba(59, 130, 246, 0.1);
  color: var(--text);
  font-weight: bold;
  white-space: nowrap;
}
.group-scores-table th.sortable {
  cursor: pointer;
  user-select: none;
}
.group-scores-table th.sortable:hover {
  background: rgba(59, 130, 246, 0.2);
}
.group-scores-table th.sorted {
  color: var(--accent);
}
.group-scores-table td {
  color: var(--text);
}
.group-scores-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.05);
}
.group-scores-table tbody tr.my-row {
  background: rgba(59, 130, 246, 0.15);
}
/* ========== ダッシュボードカード ========== */
.dashboard-card-btn {
  flex: none !important;
  min-height: auto !important;
}

/* ========== レスポンシブデザイン ========== */
@media (max-width: 1024px) {
  .container { padding: 15px; }
  h1 { font-size: 1.6rem; }
  .subtitle { font-size: 0.85rem; }
  .tab-btn { padding: 10px 16px; font-size: 0.9rem; }
}

@media (max-width: 768px) {
  /* コンテナ・ヘッダー */
  .container { padding: 10px; }
  header { padding-top: 10px; margin-bottom: 15px; }
  .header-buttons { position: static; justify-content: flex-end; margin-bottom: 0; flex-wrap: nowrap; }
  .header-left { position: static; margin-bottom: 0; text-align: center; }
  .header-top-row { display: flex; align-items: center; justify-content: center; gap: 8px; margin-bottom: 8px; }
  h1 { font-size: 1.4rem; margin-top: 5px; }
  .subtitle { font-size: 0.8rem; padding: 0 10px; }

  /* ナビゲーション */
  .nav-tabs { gap: 6px; margin-bottom: 15px; padding: 0 5px; }
  .tab-btn { padding: 8px 12px; font-size: 0.8rem; border-radius: 6px; }
  .sub-tab-btn { padding: 6px 12px; font-size: 0.8rem; }

  /* ダッシュボード */
  .dashboard { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-card { padding: 12px; }
  .stat-value { font-size: 1.5rem; }
  .stat-label { font-size: 0.8rem; }

  /* マップ */
  .map-container { padding: 10px; min-height: 350px; margin-bottom: 15px; }
  .leaflet-map { height: 350px; }

  /* スコアボタン */
  .score-buttons { grid-template-columns: repeat(6, 1fr); }
  .score-btn { min-height: 44px; min-width: 44px; }

  /* タブボタンのタップターゲット確保 */
  .tab-btn { min-height: 44px; }
  .sub-tab-btn { min-height: 40px; }

  /* テーブル */
  .group-scores-table { font-size: 0.75rem; }
  .group-scores-table th, .group-scores-table td { padding: 6px 8px; }

  /* ビュー共通 */
  .view { padding: 0 5px; }

  /* フォーム要素 */
  .form-input, select, input[type="text"], input[type="number"], input[type="date"] {
    font-size: 16px !important; /* iOSでのズーム防止 */
  }
  .btn { padding: 10px 16px; font-size: 0.85rem; }
  .btn-primary, .btn-secondary { min-height: 44px; /* タッチターゲット */ }
  .btn.dashboard-card-btn { min-height: auto; flex: none; }

  /* モーダル */
  .modal-content { width: 95% !important; max-width: none !important; margin: 10px; padding: 15px !important; max-height: 90vh; overflow-y: auto; }

  /* カード・パネル */
  .region-card, .prefecture-card { padding: 10px; }

  /* ログインボタン */
  .login-btn { padding: 6px 12px; font-size: 0.8rem; }
  .settings-toggle { padding: 6px 12px; font-size: 0.8rem; }

  /* ユーザーダッシュボード */
  #user-dashboard { margin: 0 10px 15px !important; }
  .dashboard-grid { grid-template-columns: 1fr !important; gap: 12px !important; }
  .dashboard-card { padding: 12px !important; }
  .dashboard-card-header { flex-wrap: wrap; }
  .dashboard-card-header h3 { font-size: 0.9rem !important; }
  .dashboard-card-btn {
    padding: 4px 8px !important;
    font-size: 0.7rem !important;
    min-height: 30px !important;
  }
}

@media (max-width: 480px) {
  /* 超小型画面 */
  .container { padding: 8px; }
  h1 { font-size: 1.2rem; }
  .subtitle { font-size: 0.75rem; }
  .nav-tabs { gap: 4px; }
  .tab-btn { padding: 6px 10px; font-size: 0.75rem; }
  .dashboard { grid-template-columns: 1fr 1fr; gap: 8px; }
  .stat-card { padding: 10px; }
  .stat-value { font-size: 1.3rem; }
  .header-top-row { gap: 6px; }
  .header-buttons { gap: 6px; }
  .login-btn, .settings-toggle { padding: 5px 10px; font-size: 0.75rem; }

  /* ユーザーダッシュボード（超小型画面） */
  #user-dashboard { margin: 0 8px 10px !important; }
  .dashboard-card { padding: 10px !important; }
  .dashboard-card-header h3 { font-size: 0.85rem !important; }
  .dashboard-card-btn {
    padding: 3px 7px !important;
    font-size: 0.65rem !important;
  }
}

/* ========== ページ固有レスポンシブ ========== */
/* フライト検索 */
@media (max-width: 768px) {
  .fs-tab-btn { font-size: 0.85rem !important; padding: 10px 12px !important; }
  #flightsearch-content { padding: 0 5px; }
  .fs-calendar-grid { font-size: 0.75rem; }
  .fs-calendar-nav button { padding: 4px 8px; font-size: 0.8rem; }
}

/* 観光マップ */
@media (max-width: 768px) {
  .poi-category-btn { padding: 6px 12px !important; font-size: 0.85rem !important; }
  #touristmap-content > div { padding: 10px !important; }
}

/* 旅行記・AI相談 */
@media (max-width: 768px) {
  #travellog-content, #travelai-content, #locationai-content { padding: 0 5px; }
}

/* グループチャット */
@media (max-width: 768px) {
  #groupchat-content { padding: 0 5px; }
  .group-scores-table { display: block; overflow-x: auto; }
}
.other-country-option {
  transition: background 0.2s;
}
.other-country-option:hover {
  background: var(--accent) !important;
  color: white !important;
}
#other-country-dropdown {
  scrollbar-width: thin;
}
#other-country-dropdown::-webkit-scrollbar {
  width: 6px;
}
#other-country-dropdown::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

/* Anniversary calendar responsive */
@media (max-width: 480px) {
  #anniversary-calendar-section { padding: 12px !important; }
  #anniversary-calendar-grid { gap: 2px !important; }
  #anniversary-calendar-grid > div { padding: 4px 1px !important; min-height: 32px !important; }
  #anniversary-calendar-grid > div span { font-size: 0.75rem !important; }
}

/* Chat styles */
.chat-message {
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
}
.chat-message.mine {
  align-items: flex-end;
}
.chat-message.others {
  align-items: flex-start;
}
.chat-bubble {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 18px;
  word-wrap: break-word;
}
.chat-message.mine .chat-bubble {
  background: #6366f1;
  color: white;
  border-bottom-right-radius: 4px;
}
.chat-message.others .chat-bubble {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}
.chat-sender {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 4px;
}
.chat-time {
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: 4px;
}
.chat-message.mine .chat-time {
  text-align: right;
}