/* =============================================================
   じょうてつバス 多言語案内システム - 音声ファーストUI
   フォント: Atkinson Hyperlegible (アクセシビリティ最適)
   カラー: コーポレートオレンジ (#f57c00)
   ============================================================= */

/* リセット */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* =============================================================
   CSS Custom Properties（文字サイズ切替対応）
   ============================================================= */
:root {
    --font-scale: 1;
    --base-font-size: 16px;
    --color-primary: #f57c00;
    --color-primary-dark: #e65100;
    --color-primary-light: #fff3e0;
    --color-bg: #f5f7fa;
    --color-surface: #ffffff;
    --color-text: #1a1a1a;
    --color-text-secondary: #555;
    --color-border: #e0e0e0;
    --color-error: #d32f2f;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --radius-full: 50%;
    --shadow-soft: 0 2px 12px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.12);
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

/* 文字サイズ: 小 */
[data-font-size="small"] { --font-scale: 0.9; }
/* 文字サイズ: 大 */
[data-font-size="large"] { --font-scale: 1.25; }

/* OS設定の大きいフォントサイズに対応 */
@media (prefers-contrast: more) {
    :root { --font-scale: 1.15; }
}

/* =============================================================
   基本スタイル
   ============================================================= */
body {
    font-family: 'Atkinson Hyperlegible', -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', sans-serif;
    font-size: calc(var(--base-font-size) * var(--font-scale));
    background: var(--color-bg);
    min-height: 100vh;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
    color: var(--color-text);
}

.container {
    max-width: 480px;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background: var(--color-surface);
    box-shadow: var(--shadow-medium);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* =============================================================
   コンパクトヘッダー
   ============================================================= */
header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: 10px 16px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}

.logo-section {
    min-width: 0;
    overflow: hidden;
}

.logo-section h1 {
    font-size: calc(1.1em * var(--font-scale));
    font-weight: 700;
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.header-bus-icon {
    font-size: 0.9em;
}

.subtitle {
    font-size: 0.75em;
    opacity: 0.9;
    font-weight: 400;
}

.header-buttons {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.header-icon-btn {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    position: relative;
    -webkit-tap-highlight-color: transparent;
}

.header-icon-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.header-icon-btn:active {
    transform: scale(0.95);
}

.header-icon-btn .material-symbols-outlined {
    font-size: 22px;
}

/* 文字サイズラベル */
.font-size-label {
    position: absolute;
    bottom: 1px;
    right: 2px;
    font-size: 9px;
    font-weight: 700;
    line-height: 1;
    opacity: 0.9;
}

/* 自動読み上げボタンの状態 */
.header-icon-btn.auto-play-active {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

/* =============================================================
   バス停表示
   ============================================================= */
.current-stop-display {
    background: #f8f9fa;
    padding: 10px 16px;
    text-align: center;
    color: var(--color-primary);
    font-weight: 600;
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
    font-size: calc(0.9em * var(--font-scale));
}

.stop-label {
    color: #666;
    margin-right: 6px;
}

.current-stop-display strong {
    color: var(--color-primary);
    font-size: 1.1em;
}

.stop-romaji {
    font-size: 0.8em;
    color: #999;
    font-weight: 400;
    margin-left: 4px;
}

.direction-badge {
    display: inline-block;
    background: #1565c0;
    color: white;
    font-size: 0.75em;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 12px;
    margin-left: 6px;
    vertical-align: middle;
}

/* =============================================================
   運行情報バナー
   ============================================================= */
.announcement-banner {
    background: var(--color-primary-light);
    border-bottom: 2px solid #ff9800;
    padding: 0;
    flex-shrink: 0;
}

.announcement-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 16px;
    border-bottom: 1px solid rgba(255, 152, 0, 0.2);
}

.announcement-item:last-child {
    border-bottom: none;
}

.announcement-item .material-symbols-outlined {
    color: var(--color-primary-dark);
    font-size: 1.3em;
    flex-shrink: 0;
    margin-top: 1px;
}

.announcement-text {
    flex: 1;
    font-size: calc(0.9em * var(--font-scale));
    color: #bf360c;
    font-weight: 500;
    line-height: 1.5;
}

.announcement-text .announcement-original {
    display: block;
}

.announcement-text .announcement-translated {
    display: block;
    font-weight: 400;
    color: var(--color-primary-dark);
    margin-top: 2px;
    font-size: 0.95em;
}

.announcement-meta {
    font-size: 0.75em;
    color: #999;
    white-space: nowrap;
    flex-shrink: 0;
}

/* 運行情報モーダル */
.announcement-modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
}
.announcement-modal-backdrop {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.55);
}
.announcement-modal-content {
    position: relative;
    background: #fff;
    border-radius: 16px;
    max-width: 400px;
    width: calc(100% - 32px);
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 8px 32px rgba(0,0,0,0.25);
    padding: 24px;
}
.announcement-modal-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 1.2em;
    font-weight: 700;
    color: #e65100;
}
.announcement-modal-body .ann-modal-item {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid #f0f0f0;
}
.announcement-modal-body .ann-modal-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}
.ann-modal-original {
    color: #bf360c;
    font-weight: 500;
    line-height: 1.6;
    font-size: calc(0.95em * var(--font-scale));
}
.ann-modal-translated {
    color: #e65100;
    font-weight: 400;
    line-height: 1.6;
    font-size: calc(1em * var(--font-scale));
    margin-top: 8px;
}
.ann-modal-meta {
    font-size: 0.75em;
    color: #999;
    margin-top: 4px;
}
.announcement-modal-close-btn {
    display: block;
    width: 100%;
    margin-top: 16px;
    padding: 12px;
    background: #e87820;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
}
.announcement-modal-close-btn:active {
    background: #d06818;
}

/* =============================================================
   言語確認バナー
   ============================================================= */
.language-banner {
    background: var(--color-primary-light);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: calc(0.9em * var(--font-scale));
    border-bottom: 1px solid #ffe0b2;
    flex-shrink: 0;
    color: #333;
    flex-wrap: wrap;
}

.banner-buttons {
    display: flex;
    gap: 8px;
}

.banner-btn {
    padding: 8px 18px;
    border-radius: 20px;
    border: none;
    font-size: calc(0.85em * var(--font-scale));
    cursor: pointer;
    font-family: inherit;
    transition: all var(--transition-fast);
    min-height: 44px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.banner-yes {
    background: var(--color-primary);
    color: white;
}

.banner-yes:hover {
    background: var(--color-primary-dark);
}

.banner-change {
    background: white;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
}

.banner-change:hover {
    background: var(--color-primary-light);
}

/* =============================================================
   言語選択モーダル（グリッド形式）
   ============================================================= */
.lang-modal-content {
    max-width: 400px;
    padding: 24px !important;
}

.lang-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    max-height: 60vh;
    overflow-y: auto;
    padding: 4px;
}

.lang-grid-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px 4px;
    background: #f8f9fa;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
    min-height: 64px;
}

.lang-grid-item:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
}

.lang-grid-item:active {
    transform: scale(0.95);
}

.lang-grid-item.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary-dark);
}

.lang-grid-item.active .lang-code {
    background: rgba(255, 255, 255, 0.3);
    color: white;
}

.lang-code {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 22px;
    background: var(--color-primary);
    color: white;
    border-radius: 4px;
    font-size: 0.65em;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.lang-name {
    font-size: calc(0.75em * var(--font-scale));
    font-weight: 500;
    text-align: center;
    line-height: 1.2;
}

/* =============================================================
   チャットエリア
   ============================================================= */
.chat-area {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    background: #fafafa;
    min-height: 0;
    -webkit-overflow-scrolling: touch;
}

/* =============================================================
   音声ホーム画面（メイン画面）
   ============================================================= */
.voice-home-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100%;
    padding: 16px 0;
    gap: 12px;
}

.welcome-avatar-area {
    margin-bottom: 4px;
}

.welcome-avatar-large {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-soft);
}

.welcome-message {
    font-size: calc(1.1em * var(--font-scale));
    font-weight: 700;
    color: var(--color-text);
    text-align: center;
    line-height: 1.4;
}

.welcome-sub-message {
    font-size: calc(0.85em * var(--font-scale));
    color: var(--color-text-secondary);
    text-align: center;
    line-height: 1.4;
    max-width: 280px;
}

/* =============================================================
   大型マイクボタン（主役）
   ============================================================= */
.voice-main-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin: 8px 0;
}

.voice-btn-main {
    position: relative;
    width: 88px;
    height: 88px;
    border-radius: var(--radius-full);
    background: linear-gradient(145deg, var(--color-primary), var(--color-primary-dark));
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 20px rgba(245, 124, 0, 0.35);
    -webkit-tap-highlight-color: transparent;
    z-index: 1;
}

.voice-btn-main:hover {
    box-shadow: 0 6px 28px rgba(245, 124, 0, 0.45);
    transform: scale(1.03);
}

.voice-btn-main:active {
    transform: scale(0.97);
}

.voice-btn-icon {
    color: white;
    font-size: 40px !important;
    z-index: 2;
}

/* パルスリング（待機時） */
.voice-btn-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-primary);
    opacity: 0;
    animation: voiceRingPulse 3s ease-out infinite;
}

.voice-btn-ring-2 {
    animation-delay: 1.5s;
}

/* 録音中の状態 */
.voice-btn-main.recording {
    background: linear-gradient(145deg, var(--color-error), #b71c1c);
    box-shadow: 0 4px 24px rgba(211, 47, 47, 0.45);
    animation: recordPulse 1.2s ease-in-out infinite;
}

.voice-btn-main.recording .voice-btn-ring {
    border-color: var(--color-error);
    animation: voiceRingRecord 1s ease-out infinite;
}

/* 処理中の状態 */
.voice-btn-main.processing {
    background: linear-gradient(145deg, #ff9800, #f57c00);
    animation: processingPulse 1.5s ease-in-out infinite;
}

.voice-btn-main.processing .voice-btn-icon {
    animation: spin 1.5s linear infinite;
}

/* 再生中の状態 */
.voice-btn-main.speaking {
    background: linear-gradient(145deg, #43a047, #2e7d32);
    box-shadow: 0 4px 24px rgba(46, 125, 50, 0.4);
}

.voice-btn-main.speaking .voice-btn-ring {
    border-color: #43a047;
    animation: voiceRingSpeaking 1.5s ease-out infinite;
}

.voice-state-text {
    font-size: calc(0.85em * var(--font-scale));
    color: var(--color-text-secondary);
    font-weight: 500;
    text-align: center;
    min-height: 24px;
    transition: color var(--transition-fast);
}

.voice-state-text.recording {
    color: var(--color-error);
    font-weight: 700;
}

.voice-state-text.processing {
    color: #ff9800;
}

.voice-state-text.speaking {
    color: #2e7d32;
}

/* =============================================================
   クイックアクションボタン
   ============================================================= */
.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    padding: 0 8px;
    max-width: 360px;
}

.quick-action-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 14px;
    background: var(--color-surface);
    border: 1.5px solid var(--color-primary);
    border-radius: 20px;
    color: var(--color-primary);
    font-size: calc(0.85em * var(--font-scale));
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
    min-height: 44px;
    -webkit-tap-highlight-color: transparent;
}

.quick-action-btn:hover {
    background: var(--color-primary-light);
}

.quick-action-btn:active {
    transform: scale(0.95);
    background: var(--color-primary);
    color: white;
}

.quick-action-btn .material-symbols-outlined {
    font-size: 1.1em;
}

/* テキスト入力への切り替えボタン */
.switch-to-text-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    color: var(--color-text-secondary);
    font-size: calc(0.85em * var(--font-scale));
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
    min-height: 44px;
    margin-top: 4px;
}

.switch-to-text-btn:hover {
    background: #f0f0f0;
    color: var(--color-text);
}

.switch-to-text-btn .material-symbols-outlined {
    font-size: 18px;
}

/* =============================================================
   テキスト入力エリア
   ============================================================= */
.input-area {
    border-top: 1px solid var(--color-border);
    padding: 12px 16px;
    background: var(--color-surface);
    flex-shrink: 0;
}

.input-container {
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: #fafafa;
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
}

.input-container:focus-within {
    border-color: var(--color-primary);
    background: var(--color-surface);
    box-shadow: 0 0 0 3px rgba(245, 124, 0, 0.1);
}

#messageInput {
    width: 100%;
    padding: 12px 16px;
    border: none;
    background: transparent;
    font-size: 16px; /* iOS zoom防止 */
    resize: none;
    font-family: inherit;
    min-height: 48px;
    max-height: 120px;
    line-height: 1.5;
    overflow-y: hidden;
    overflow-x: hidden;
    box-sizing: border-box;
    outline: none;
    color: var(--color-text);
}

#messageInput:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.input-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 10px;
    border-top: 1px solid var(--color-border);
}

.input-icon-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.input-icon-btn:hover {
    background: #f0f0f0;
    color: var(--color-primary);
}

.send-btn {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
    margin-left: auto;
}

.send-btn:hover:not(:disabled) {
    background: var(--color-primary-dark);
}

.send-btn:active:not(:disabled) {
    transform: scale(0.93);
}

.send-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.send-btn .material-symbols-outlined {
    font-size: 20px;
}

/* =============================================================
   会話中の入力エリア（マイク＋キーボード）
   ============================================================= */
.conversation-input-area {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
}

.voice-btn-small {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: linear-gradient(145deg, var(--color-primary), var(--color-primary-dark));
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 3px 12px rgba(245, 124, 0, 0.3);
    transition: all var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.voice-btn-small .material-symbols-outlined {
    font-size: 28px;
}

.voice-btn-small:hover {
    box-shadow: 0 4px 16px rgba(245, 124, 0, 0.4);
    transform: scale(1.05);
}

.voice-btn-small:active {
    transform: scale(0.95);
}

.voice-btn-small.recording {
    background: linear-gradient(145deg, var(--color-error), #b71c1c);
    box-shadow: 0 3px 16px rgba(211, 47, 47, 0.4);
    animation: recordPulse 1.2s ease-in-out infinite;
}

/* =============================================================
   メッセージバブル
   ============================================================= */
.message {
    margin-bottom: 16px;
    animation: messageSlide 0.3s;
}

.message.user {
    display: flex;
    justify-content: flex-end;
}

.message.bot,
.message.ai-message {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    text-align: left;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.message-bubble {
    flex: 1;
    min-width: 0;
    max-width: 85%;
}

.message-content {
    display: inline-block;
    max-width: 100%;
    padding: 12px 16px;
    word-wrap: break-word;
    line-height: 1.7;
    font-size: calc(0.95em * var(--font-scale));
    position: relative;
}

.message.user .message-content {
    background: var(--color-primary);
    color: white;
    border-radius: 18px 18px 4px 18px;
    box-shadow: 0 1px 3px rgba(245, 124, 0, 0.2);
}

.message.bot .message-content,
.message.ai-message .message-content {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    border-radius: 18px 18px 18px 4px;
}

.message-footer {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
}

.message.user .message-footer {
    justify-content: flex-end;
}

.message-time {
    font-size: 0.75em;
    color: #999;
}

.message.user .message-time {
    color: #bbb;
}

/* スピーカーボタン */
.speaker-btn {
    background: #f0f0f0;
    border: 1px solid #ddd;
    color: var(--color-text-secondary);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9em;
    transition: all var(--transition-fast);
    min-height: 36px;
    -webkit-tap-highlight-color: transparent;
}

.speaker-btn:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.speaker-btn.speaking {
    background: var(--color-error);
    color: white;
    border-color: var(--color-error);
    animation: speakerPulse 1.2s ease-in-out infinite;
}

.speaker-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    background: #e0e0e0;
}

/* =============================================================
   ウェルカムカード（旧スタイル互換）
   ============================================================= */
.welcome-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 18px 18px 18px 4px;
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.welcome-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.welcome-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.welcome-title {
    font-size: calc(1em * var(--font-scale));
    font-weight: 600;
    color: var(--color-text);
}

.welcome-sub {
    font-size: calc(0.85em * var(--font-scale));
    color: #888;
    margin-left: 48px;
}

/* =============================================================
   ローディング（プログレスバー）
   ============================================================= */
.loading {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--color-surface);
    padding: 28px 36px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-medium);
    z-index: 2000;
    text-align: center;
    min-width: 260px;
}

.loading.active {
    display: block;
}

.loading-avatar-wrapper {
    margin-bottom: 12px;
}

.loading-avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    animation: avatarBounce 1.2s ease-in-out infinite;
}

.progress-container {
    margin-bottom: 14px;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: #e0e0e0;
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-primary), #ff9800);
    border-radius: 3px;
    transition: width 0.15s ease-out;
}

.progress-text {
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: calc(0.85em * var(--font-scale));
}

.btn-cancel {
    background: var(--color-error);
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-size: calc(0.9em * var(--font-scale));
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 44px;
    font-family: inherit;
}

.btn-cancel:hover {
    background: #c82333;
}

/* =============================================================
   音声エラーモーダル
   ============================================================= */
.voice-error-content {
    text-align: center;
    padding: 32px 24px !important;
}

.voice-error-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: #fce4ec;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.voice-error-icon .material-symbols-outlined {
    font-size: 32px;
    color: var(--color-error);
}

.voice-error-content h3 {
    color: var(--color-text);
    font-size: calc(1.1em * var(--font-scale));
    margin-bottom: 8px;
}

.voice-error-content p {
    color: var(--color-text-secondary);
    font-size: calc(0.9em * var(--font-scale));
    margin-bottom: 24px;
    line-height: 1.6;
}

.voice-error-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.voice-error-actions .btn-primary,
.voice-error-actions .btn-secondary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    font-family: inherit;
}

/* =============================================================
   モーダル共通
   ============================================================= */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.2s;
    overflow-y: auto;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background: var(--color-surface);
    padding: 32px 24px;
    border-radius: var(--radius-md);
    max-width: 480px;
    width: 92%;
    animation: slideIn 0.2s;
    box-shadow: var(--shadow-medium);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content h2 {
    color: var(--color-primary);
    margin-bottom: 20px;
    font-size: calc(1.3em * var(--font-scale));
    font-weight: 700;
    border-bottom: 2px solid var(--color-primary-light);
    padding-bottom: 10px;
}

.close {
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: #999;
    line-height: 20px;
    transition: color var(--transition-fast);
}

.close:hover {
    color: var(--color-primary);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--color-text);
    font-size: calc(0.95em * var(--font-scale));
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 16px;
    transition: all var(--transition-fast);
    background: #fafafa;
    font-family: inherit;
}

.form-group input[type="text"]:focus,
.form-group input[type="password"]:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-surface);
    box-shadow: 0 0 0 3px rgba(245, 124, 0, 0.1);
}

.form-group input[type="range"] {
    width: 100%;
    height: 6px;
    background: #e0e0e0;
    border-radius: 5px;
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.form-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    cursor: pointer;
}

.form-group input[type="range"]::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    cursor: pointer;
    border: none;
}

.range-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75em;
    color: #777;
    margin-top: 8px;
}

.form-group label span {
    color: var(--color-primary);
    font-weight: 700;
}

/* ボタン */
.btn-primary {
    width: 100%;
    padding: 14px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: calc(1em * var(--font-scale));
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: 0 2px 8px rgba(245, 124, 0, 0.3);
    min-height: 48px;
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary {
    background: #757575;
    color: white;
    border: none;
    padding: 12px 24px;
    font-size: calc(1em * var(--font-scale));
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-top: 8px;
    min-height: 44px;
    font-family: inherit;
}

.btn-secondary:hover {
    background: #616161;
}

/* =============================================================
   フォローアップサジェスト（ボット応答後）
   ============================================================= */
.follow-up-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 8px 0 16px 44px;
    animation: messageSlide 0.3s;
}

.follow-up-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 14px;
    background: var(--color-surface);
    border: 1.5px solid var(--color-primary);
    border-radius: 18px;
    color: var(--color-primary);
    font-size: calc(0.82em * var(--font-scale));
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
    min-height: 40px;
    -webkit-tap-highlight-color: transparent;
}

.follow-up-btn:hover {
    background: var(--color-primary-light);
}

.follow-up-btn:active {
    background: var(--color-primary);
    color: white;
    transform: scale(0.95);
}

.follow-up-btn .material-symbols-outlined {
    font-size: 16px;
}

/* =============================================================
   ストリーミングカーソル
   ============================================================= */
.streaming-cursor {
    display: inline-block;
    animation: blink 0.8s infinite;
    color: var(--color-primary);
    font-weight: bold;
}

/* =============================================================
   アニメーション
   ============================================================= */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes messageSlide {
    from { transform: translateY(12px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes voiceRingPulse {
    0% { transform: scale(1); opacity: 0.4; }
    50% { transform: scale(1.25); opacity: 0; }
    100% { transform: scale(1.25); opacity: 0; }
}

@keyframes voiceRingRecord {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(1.5); opacity: 0; }
}

@keyframes voiceRingSpeaking {
    0% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.2); opacity: 0; }
    100% { transform: scale(1.2); opacity: 0; }
}

@keyframes recordPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.04); }
}

@keyframes processingPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes avatarBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes speakerPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(211, 47, 47, 0.4); }
    50% { transform: scale(1.06); box-shadow: 0 0 0 6px rgba(211, 47, 47, 0); }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.9; }
}

/* prefers-reduced-motion 対応 */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* =============================================================
   スクロールバー
   ============================================================= */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* =============================================================
   ボトムタブバー
   ============================================================= */
.bottom-tab-bar {
    display: flex;
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
    flex-shrink: 0;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.06);
    z-index: 100;
}

.tab-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 8px 4px;
    border: none;
    background: transparent;
    color: #999;
    font-size: calc(0.7em * var(--font-scale));
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
    min-height: 52px;
}

.tab-btn .material-symbols-outlined {
    font-size: 24px;
}

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

.tab-btn:hover:not(.active) {
    color: #666;
    background: #f5f5f5;
}

/* タブビュー共通 */
.tab-view {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

/* =============================================================
   時刻表ビュー
   ============================================================= */
.timetable-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.day-type-tabs {
    display: flex;
    background: #f0f0f0;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.day-type-btn {
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: #666;
    font-size: calc(0.85em * var(--font-scale));
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
    white-space: nowrap;
    min-height: 40px;
}

.day-type-btn.active {
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-sm);
}

.destination-filter {
    flex: 1;
    min-width: 0;
}

.destination-filter select {
    width: 100%;
    padding: 8px 12px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: calc(0.85em * var(--font-scale));
    font-family: inherit;
    background: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
    outline: none;
}

.destination-filter select:focus {
    border-color: var(--color-primary);
}

.timetable-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    background: #fafafa;
    -webkit-overflow-scrolling: touch;
}

.timetable-loading {
    text-align: center;
    padding: 40px;
    color: #999;
    font-size: calc(0.95em * var(--font-scale));
}

.timetable-hour-row {
    display: flex;
    border-bottom: 1px solid #e8e8e8;
    min-height: 48px;
}

.timetable-hour-label {
    width: 52px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1em;
    font-weight: 700;
    color: var(--color-primary);
    background: #fff8f0;
    border-right: 2px solid var(--color-primary);
}

.timetable-minutes {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    background: var(--color-surface);
}

.timetable-minute-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 32px;
    padding: 0 6px;
    background: var(--color-surface);
    border: 1.5px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.9em;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.timetable-minute-badge:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
}

.timetable-minute-badge.kappa {
    border-color: #4caf50;
    color: #2e7d32;
    background: #f1f8e9;
}

.timetable-detail-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-medium);
    z-index: 3000;
    min-width: 280px;
    max-width: 90vw;
    animation: slideIn 0.2s;
}

.timetable-detail-popup .popup-close {
    position: absolute;
    top: 12px;
    right: 12px;
    background: none;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    color: #999;
}

.timetable-detail-popup .popup-close:hover {
    color: var(--color-primary);
}

.timetable-detail-popup h3 {
    color: var(--color-primary);
    font-size: 1.3em;
    margin-bottom: 12px;
}

.timetable-detail-popup .detail-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #f0f0f0;
    font-size: 0.95em;
}

.timetable-detail-popup .detail-label {
    color: #777;
    font-weight: 500;
}

.timetable-detail-popup .detail-value {
    color: var(--color-text);
    font-weight: 600;
}

.timetable-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 2999;
}

.timetable-legend {
    display: flex;
    gap: 16px;
    padding: 8px 16px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    font-size: 0.8em;
    color: #777;
    flex-shrink: 0;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 3px;
    border: 1.5px solid;
}

.legend-dot.normal {
    border-color: var(--color-border);
    background: var(--color-surface);
}

.legend-dot.kappa {
    border-color: #4caf50;
    background: #f1f8e9;
}

/* =============================================================
   バス現在地ビュー
   ============================================================= */
#busLocationView {
    position: relative;
    display: flex;
    flex-direction: column;
}

.bus-map {
    flex: 1;
    min-height: 300px;
    z-index: 1;
}

.bus-map-status-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, #ffe0b2 100%);
    border-bottom: 1px solid #ffcc80;
    font-size: calc(0.85em * var(--font-scale));
    color: var(--color-primary-dark);
    font-weight: 500;
    flex-shrink: 0;
}

.bus-map-status-bar .material-symbols-outlined {
    font-size: 1.2em;
}

.route-selector-container {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: #e3f2fd;
    border-bottom: 1px solid #bbdefb;
    flex-shrink: 0;
}

.route-selector {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid #90caf9;
    border-radius: 6px;
    font-size: calc(0.85em * var(--font-scale));
    background: var(--color-surface);
    color: #1565c0;
    font-weight: 500;
    cursor: pointer;
}

.route-selector:focus {
    outline: none;
    border-color: #1976D2;
    box-shadow: 0 0 0 2px rgba(25, 118, 210, 0.2);
}

/* バスマーカー */
.bus-stop-marker { background: none !important; border: none !important; }
.bus-stop-tooltip { font-size: 11px; font-weight: 500; padding: 2px 6px; background: rgba(25, 118, 210, 0.9); color: white; border: none; border-radius: 4px; }
.bus-stop-tooltip::before { border-top-color: rgba(25, 118, 210, 0.9) !important; }
.bus-marker-icon { background: none !important; border: none !important; }
.bus-tooltip { background: var(--color-primary); color: white; border: none; border-radius: 6px; padding: 3px 8px; font-size: 0.75em; font-weight: 600; box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2); white-space: nowrap; }
.bus-tooltip::before { border-top-color: var(--color-primary); }

/* ユーザー位置アイコン */
.user-location-icon { background: none !important; border: none !important; }
.user-location-dot { position: relative; width: 40px; height: 40px; }
.user-location-pulse { position: absolute; top: 50%; left: 50%; width: 36px; height: 36px; margin: -18px 0 0 -18px; background: rgba(66, 133, 244, 0.2); border-radius: var(--radius-full); animation: user-pulse 2s ease-out infinite; }
.user-location-core { position: absolute; top: 50%; left: 50%; width: 14px; height: 14px; margin: -7px 0 0 -7px; background: #4285F4; border: 2.5px solid white; border-radius: var(--radius-full); box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3); }

@keyframes user-pulse {
    0% { transform: scale(0.5); opacity: 1; }
    100% { transform: scale(2.2); opacity: 0; }
}

/* バスポップアップ */
.bus-popup { min-width: 160px; }
.bus-popup-name { display: flex; align-items: center; gap: 4px; font-weight: 700; font-size: 0.95em; color: var(--color-text); margin-bottom: 6px; }
.bus-popup-status { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 0.75em; font-weight: 600; margin-bottom: 6px; }
.bus-popup-status.online { background: #e8f5e9; color: #2e7d32; }
.bus-popup-status.offline { background: #f5f5f5; color: #757575; }
.bus-popup-detail { font-size: 0.8em; color: #666; line-height: 1.5; }

/* =============================================================
   定山渓混雑案内カード
   ============================================================= */
.subway-guide-card {
    background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
    border: 1.5px solid #90caf9;
    border-radius: var(--radius-md);
    padding: 16px;
    margin-top: 12px;
}

.subway-guide-card .guide-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    font-weight: 600;
    color: #1565c0;
    font-size: 0.95em;
}

.subway-guide-card .guide-header .material-symbols-outlined {
    color: #1565c0;
    font-size: 1.2em;
}

.subway-guide-card .guide-text {
    font-size: calc(0.9em * var(--font-scale));
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: 12px;
}

.subway-guide-card .guide-video-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: var(--color-error);
    color: white;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 0.85em;
    font-weight: 600;
    transition: all var(--transition-fast);
    min-height: 44px;
}

.subway-guide-card .guide-video-link:hover {
    background: #b71c1c;
}

/* =============================================================
   Material Symbols
   ============================================================= */
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    vertical-align: middle;
    user-select: none;
}

/* =============================================================
   音声ステータス表示（旧互換）
   ============================================================= */
.voice-status {
    margin-top: 8px;
    padding: 8px 16px;
    background: var(--color-primary-light);
    border-radius: 6px;
    color: var(--color-primary);
    font-weight: 500;
    display: none;
    text-align: center;
    font-size: calc(0.85em * var(--font-scale));
}

.voice-status.active {
    display: block;
}

/* =============================================================
   旧音声入力モーダル（互換維持）
   ============================================================= */
.voice-input-modal {
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.voice-modal-content {
    text-align: center;
    padding: 40px 30px;
    max-width: 500px;
    margin: 0 auto;
}

.voice-animation {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 24px;
}

.pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border: 4px solid var(--color-primary);
    border-radius: var(--radius-full);
    transform: translate(-50%, -50%);
    animation: pulseRing 1.5s ease-out infinite;
}

.microphone-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3.5em;
    animation: bounce 1s ease-in-out infinite;
    display: flex;
    align-items: center;
    justify-content: center;
}

.microphone-icon .material-symbols-outlined {
    font-size: 1em;
}

.realtime-transcript {
    min-height: 60px;
    max-height: 150px;
    overflow-y: auto;
    background: #f8f9fa;
    border-radius: var(--radius-sm);
    padding: 16px;
    margin: 20px 0;
    font-size: calc(1.05em * var(--font-scale));
    line-height: 1.6;
    color: var(--color-text);
    text-align: left;
    border: 2px solid var(--color-border);
}

.realtime-transcript:empty { display: none; }
.realtime-transcript .interim { color: #999; font-style: italic; }
.realtime-transcript .final { color: var(--color-text); font-weight: 500; }

.voice-instruction {
    color: #666;
    font-size: calc(1em * var(--font-scale));
    margin-bottom: 24px;
}

@keyframes pulseRing {
    0% { transform: translate(-50%, -50%) scale(0.8); opacity: 1; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.5; }
    100% { transform: translate(-50%, -50%) scale(0.8); opacity: 1; }
}

@keyframes bounce {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

/* =============================================================
   設定ビュー（タブ内）
   ============================================================= */
.settings-view {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: 16px;
    background: var(--bg-light);
}

.settings-section {
    background: white;
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.settings-section-title {
    font-size: calc(0.95em * var(--font-scale));
    font-weight: 600;
    color: #333;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.settings-section-title .material-symbols-outlined {
    font-size: 20px;
    color: var(--color-primary);
}

.font-size-selector {
    display: flex;
    gap: 8px;
}

.font-size-option {
    flex: 1;
    padding: 10px;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-sm);
    background: white;
    font-size: calc(1em * var(--font-scale));
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.font-size-option.active {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: white;
}

.settings-range {
    width: 100%;
    margin: 4px 0;
    accent-color: var(--color-primary);
}

.settings-select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: var(--radius-sm);
    font-size: calc(0.9em * var(--font-scale));
    background: white;
}

/* =============================================================
   録音中モーダル
   ============================================================= */
.recording-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.recording-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.recording-modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    background: white;
    border-radius: var(--radius-lg, 16px);
    padding: 32px 40px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
    animation: recordingModalIn 0.25s ease-out;
}

@keyframes recordingModalIn {
    from { opacity: 0; transform: scale(0.85); }
    to   { opacity: 1; transform: scale(1); }
}

.recording-modal-icon {
    font-size: 56px;
    color: #d32f2f;
    animation: recordingPulse 1s ease-in-out infinite;
}

.recording-pulse-ring {
    position: absolute;
    top: 24px;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    border: 3px solid #d32f2f;
    animation: pulseRing 1.2s ease-out infinite;
    pointer-events: none;
}

@keyframes pulseRing {
    0%   { transform: scale(0.8); opacity: 0.8; }
    100% { transform: scale(1.6); opacity: 0; }
}

@keyframes recordingPulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.5; }
}

.recording-modal-text {
    font-size: calc(1.1em * var(--font-scale, 1));
    font-weight: 600;
    color: #333;
    margin: 0;
}

.recording-modal-countdown {
    font-size: calc(2em * var(--font-scale, 1));
    font-weight: 700;
    color: #d32f2f;
    margin: 0;
    font-variant-numeric: tabular-nums;
}

.recording-modal-countdown span:last-child {
    font-size: 0.5em;
    font-weight: 400;
    color: #666;
    margin-left: 2px;
}

.recording-stop-btn {
    margin-top: 4px;
    padding: 10px 32px;
    border: none;
    border-radius: var(--radius-sm, 8px);
    background: #d32f2f;
    color: white;
    font-size: calc(1em * var(--font-scale, 1));
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.recording-stop-btn:active {
    background: #b71c1c;
}

/* =============================================================
   アラビア語 RTL 対応
   ============================================================= */
[dir="rtl"] .header-content { flex-direction: row-reverse; }
[dir="rtl"] .header-buttons { flex-direction: row-reverse; }
[dir="rtl"] .message.user { justify-content: flex-start; }
[dir="rtl"] .message.bot, [dir="rtl"] .message.ai-message { flex-direction: row-reverse; }
[dir="rtl"] .message.user .message-content { border-radius: 18px 18px 18px 4px; }
[dir="rtl"] .message.bot .message-content, [dir="rtl"] .message.ai-message .message-content { border-radius: 18px 18px 4px 18px; }
[dir="rtl"] .stop-label { margin-right: 0; margin-left: 6px; }
[dir="rtl"] .welcome-sub { margin-left: 0; margin-right: 48px; }
[dir="rtl"] .quick-action-btn { flex-direction: row-reverse; }
[dir="rtl"] .input-footer { flex-direction: row-reverse; }
[dir="rtl"] .lang-grid-item { direction: rtl; }

/* =============================================================
   レスポンシブ
   ============================================================= */
@media (max-width: 480px) {
    .container {
        max-width: 100%;
    }

    .timetable-controls {
        flex-direction: column;
        gap: 8px;
        padding: 8px 12px;
    }

    .day-type-tabs { width: 100%; }
    .day-type-btn { flex: 1; text-align: center; }

    .timetable-minute-badge { min-width: 32px; height: 28px; font-size: 0.85em; }
    .timetable-hour-label { width: 44px; font-size: 1em; }

    .lang-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
    }
}

@media (max-width: 375px) {
    .logo-section h1 { font-size: calc(1em * var(--font-scale)); }
    .voice-btn-main { width: 76px; height: 76px; }
    .voice-btn-icon { font-size: 36px !important; }
    .tab-btn { font-size: calc(0.65em * var(--font-scale)); padding: 6px 2px; }
}

/* 横向き対応 */
@media (max-height: 500px) and (orientation: landscape) {
    .container { height: auto; min-height: 100vh; }
    .voice-btn-main { width: 64px; height: 64px; }
    .voice-btn-icon { font-size: 28px !important; }
    .voice-home-screen { gap: 8px; padding: 8px 0; }
    .welcome-avatar-large { width: 40px; height: 40px; }
}

/* タッチデバイス */
@media (hover: none) and (pointer: coarse) {
    .header-icon-btn,
    .voice-btn-main,
    .voice-btn-small,
    .quick-action-btn,
    .send-btn,
    .speaker-btn,
    .btn-primary,
    .btn-secondary,
    .banner-btn,
    .lang-grid-item,
    .tab-btn {
        min-height: 44px;
    }

    .header-icon-btn:hover,
    .quick-action-btn:hover,
    .speaker-btn:hover {
        transform: none;
    }

    .voice-btn-main:active,
    .quick-action-btn:active,
    .lang-grid-item:active {
        opacity: 0.8;
        transform: scale(0.95);
    }
}

/* ハイコントラストモード */
@media (prefers-contrast: high) {
    .message.user .message-content { border: 2px solid #bf360c; }
    .message.bot .message-content, .message.ai-message .message-content { border: 2px solid #555; }
    .voice-btn-main { border: 3px solid white; }
}