/* pro-responsive.css — all media queries */
/* 響應式設計 */
@media (max-width: 768px) {
    .tab-navigation {
        margin-bottom: 16px;
    }
    
    .tab-btn {
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .recording-buttons {
        flex-direction: column;
    }
    
    .recording-status {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
    
    .volume-bars {
        height: 32px;
    }
}

/* 翻譯設置 - 調整為統一樣式 */
.translation-settings {
    margin-bottom: 16px;
    padding: 0;
}
.translation-settings label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
}
.toggle-label {
    display: flex !important;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: normal !important;
}
.toggle-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-brand);
}
.toggle-text {
    color: var(--color-text-primary);
    font-size: 14px;
}
.setting-hint {
    color: var(--color-text-secondary);
    font-size: 12px;
    margin-top: 4px;
    line-height: 1.4;
    display: block;
}

/* 目標語言選擇 */
#targetLanguageGroup {
    margin-top: 12px;
}

#targetLanguageGroup label {
    display: block;
    margin-bottom: 8px;
}

.language-select {
    width: 100%;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.language-select:hover {
    border-color: var(--color-border-hover);
}

.language-select:focus {
    outline: none;
    border-color: var(--color-brand);
}

/* 演講資訊樣式 */
.speech-info {
    margin-bottom: 20px;
    padding: 15px;
    background: rgba(var(--brand-rgb), 0.1);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(var(--brand-rgb), 0.2);
}

.speech-info h3 {
    margin: 0 0 8px 0;
    color: var(--color-brand);
    font-size: 18px;
}

.speech-info p {
    margin: 0 0 8px 0;
    color: var(--color-text-secondary);
    font-size: 14px;
}

.speech-info > div {
    display: flex;
    gap: 20px;
    font-size: 14px;
    color: var(--color-border-hover);
}

.speech-info a {
    color: var(--color-brand);
    text-decoration: none;
}

.speech-info a:hover {
    text-decoration: underline;
}

/* 詞彙網格樣式改進 */
.vocab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    min-height: 200px;
    padding: 8px;
}

.vocab-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-secondary);
    font-size: 16px;
}

/* v2 詞彙容器樣式 */
.vocab-v2-container {
    padding: 16px;
}

/* 同步狀態區域 - 側邊欄版本 (非狀態列) */
.vocab-panel .vocab-sync-status,
.section-content:not(.system-section) .vocab-sync-status,
.vocab-v2-container .vocab-sync-status {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal) ease;
}

/* 側邊欄版本的狀態色彩 */
.vocab-panel .vocab-sync-status.synced,
.section-content .vocab-sync-status.synced,
.vocab-v2-container .vocab-sync-status.synced {
    border-color: var(--color-success);
    background: rgba(var(--success-rgb), 0.05);
}

.vocab-panel .vocab-sync-status.error,
.section-content .vocab-sync-status.error,
.vocab-v2-container .vocab-sync-status.error {
    border-color: var(--color-error);
    background: rgba(var(--error-rgb), 0.05);
}

/* 狀態列版本無背景 */
.header-actions .vocab-sync-status.synced,
.header-actions .vocab-sync-status.error,
.header-actions .vocab-sync-status.normal {
    background: transparent;
    border: none;
}

.sync-indicator {
    font-size: 18px;
    animation: rotate 2s linear infinite;
}

.vocab-sync-status.synced .sync-indicator,
.vocab-sync-status.error .sync-indicator {
    animation: none;
}

.sync-text {
    flex: 1;
    font-size: 14px;
    color: var(--color-text-secondary);
}

.btn-sync {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    border: 1px solid var(--btn-primary-border);
    padding: 6px 12px;
    border-radius: var(--radius-xs);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
}

.btn-sync:hover {
    background: var(--btn-primary-hover-bg);
    transform: scale(1.05);
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.vocab-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.vocab-count {
    font-size: 14px;
    color: var(--color-text-secondary);
    font-weight: 600;
}

.btn-add-vocab {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    border: 1px solid var(--btn-primary-border);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
}

.btn-add-vocab:hover {
    background: var(--btn-primary-hover-bg);
    transform: translateY(-1px);
}

/* 詞彙列表 */
.vocab-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* 詞彙項目 */
.vocab-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--color-bg-primary);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal) ease;
}

.vocab-item:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(var(--shadow-rgb), 0.1);
}

/* 權重等級樣式 */
.vocab-item.boost-level-1 {
    border-left: 4px solid var(--color-text-secondary);
}

.vocab-item.boost-level-2 {
    border-left: 4px solid var(--color-warning);
    background: rgba(var(--warning-rgb), 0.05);
}

.vocab-item.boost-level-3 {
    border-left: 4px solid var(--color-error);
    background: rgba(var(--error-rgb), 0.05);
}

/* 詞彙文字 */
.vocab-phrase {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-right: 16px;
    flex: 1;
}

/* 詞彙元資料 */
.vocab-meta {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-right: 16px;
}

.vocab-meta span {
    padding: 4px 8px;
    border-radius: var(--radius-xs);
    font-size: 12px;
    font-weight: 500;
}

.vocab-language {
    background: rgba(var(--brand-rgb), 0.1);
    color: var(--color-brand);
}

.vocab-category {
    background: rgba(var(--success-rgb), 0.1);
    color: var(--color-success);
}

.vocab-boost {
    background: rgba(var(--warning-rgb), 0.1);
    color: var(--color-warning);
    font-weight: 600;
}

.vocab-usage {
    background: rgba(var(--purple-rgb), 0.1);
    color: var(--color-purple);
}

/* 詞彙操作按鈕 */
.vocab-actions {
    display: flex;
    gap: 8px;
}

.vocab-actions button {
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xs);
    padding: 6px 10px;
    cursor: pointer;
    transition: all var(--transition-fast) ease;
    font-size: 16px;
}

.vocab-actions button:hover {
    background: var(--color-bg-secondary);
    transform: scale(1.1);
}

.btn-edit:hover {
    border-color: var(--color-success);
    background: rgba(var(--success-rgb), 0.1);
}

.btn-delete:hover {
    border-color: var(--color-error);
    background: rgba(var(--error-rgb), 0.1);
}

/* 詞彙錯誤提示 */
.vocab-error {
    text-align: center;
    padding: 40px;
    color: var(--color-error);
    font-size: 14px;
    background: rgba(var(--error-rgb), 0.1);
    border-radius: var(--radius-sm);
}

/* 🔌 連線狀態指示器 — 已整合到 header status bar，隱藏冗餘的浮動版 */
.connection-status-container {
    display: none;
}

.connection-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--color-bg-tertiary);
    border-radius: 20px;
    border: 1px solid var(--color-border);
    transition: all var(--transition-fast);
    font-size: 14px;
}

.connection-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-text-secondary);
    transition: all var(--transition-fast);
    position: relative;
}

.connection-text {
    color: var(--color-text-secondary);
    font-weight: 500;
}

.connection-quality {
    color: var(--color-text-secondary);
    font-size: 12px;
    opacity: 0.8;
}

/* 連線狀態變化 */
.connection-indicator.connected .connection-dot {
    background: var(--color-success);
    box-shadow: 0 0 8px var(--color-success);
}

.connection-indicator.connected .connection-text {
    color: var(--color-success);
}

.connection-indicator.connecting .connection-dot,
.connection-indicator.reconnecting .connection-dot {
    background: var(--color-warning);
    animation: pulse 1.5s infinite;
}

.connection-indicator.connecting .connection-text,
.connection-indicator.reconnecting .connection-text {
    color: var(--color-warning);
}

.connection-indicator.disconnected .connection-dot,
.connection-indicator.error .connection-dot {
    background: var(--color-error);
}

.connection-indicator.disconnected .connection-text,
.connection-indicator.error .connection-text {
    color: var(--color-error);
}

/* (pulse keyframes — consolidated above) */

/* 使用量指示器 */
#usageIndicator,
.usage-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: rgba(var(--success-rgb), 0.1);
    border: 1px solid rgba(var(--success-rgb), 0.3);
    border-radius: 20px;
    margin-right: 20px;
    transition: all var(--transition-fast);
}

#usageIndicator:hover,
.usage-info:hover {
    background: rgba(var(--success-rgb), 0.15);
    border-color: rgba(var(--success-rgb), 0.5);
    cursor: pointer;
}

/* 在下拉選單中的使用量資訊 */
.user-dropdown .usage-info {
    margin: 8px 12px;
    padding: 12px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: default;
}

.usage-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.usage-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
}

.usage-label {
    font-size: 12px;
    color: rgba(var(--overlay-rgb), 0.6);
    white-space: nowrap;
    line-height: 1.4;
}

.usage-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
}

.usage-value.warning {
    color: var(--color-warning);
}

.usage-value.danger {
    color: var(--color-error);
}

/* 使用量統計網格 */
.usage-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.usage-stat-item {
    background: var(--color-bg-tertiary);
    padding: 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    text-align: center;
}

.stat-label {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.stat-value {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-text-primary);
}

.usage-progress-bar {
    width: 100%;
    height: 20px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-top: 20px;
}

.usage-progress-bar .progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-success) 0%, var(--color-brand) 100%);
    transition: width var(--transition-normal) ease;
}

/* 🎯 操作提示浮動層 */
.operation-toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    padding: 12px 24px;
    border-radius: 20px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    font-size: 14px;
    font-weight: 500;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 10001;
    display: flex;
    align-items: center;
    gap: 8px;
}

.operation-toast.show {
    opacity: 1;
    visibility: visible;
    animation: slideUp 0.3s ease-out;
}

.operation-toast.success {
    border-color: var(--color-success);
    background: rgba(var(--success-rgb), 0.1);
}

.operation-toast.warning {
    border-color: var(--color-warning);
    background: rgba(var(--warning-rgb), 0.1);
}

.operation-toast.error {
    border-color: var(--color-error);
    background: rgba(var(--error-rgb), 0.1);
}

.operation-toast .toast-icon {
    display: flex;
}

.operation-toast .toast-icon .lucide {
    width: 18px;
    height: 18px;
}

@keyframes slideUp {
    from {
        transform: translate(-50%, 20px);
        opacity: 0;
    }
    to {
        transform: translate(-50%, 0);
        opacity: 1;
    }
}

/* 🔄 操作進度指示器 */
.operation-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-bg-secondary);
    z-index: 2001;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast);
}

.operation-progress.show {
    opacity: 1;
    visibility: visible;
}

.operation-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-brand) 0%, var(--color-success) 100%);
    width: 0%;
    transition: width var(--transition-slow);
}

.operation-progress-bar.indeterminate {
    width: 30%;
    animation: indeterminate 1.5s infinite;
}

@keyframes indeterminate {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(400%);
    }
}

/* 處理指示器樣式 */
.processing-indicator {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--color-brand);
    color: var(--color-text-on-brand);
    padding: 15px 25px;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 12px rgba(var(--shadow-rgb), 0.3);
    display: none;
    z-index: 1000;
}

.processing-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(var(--overlay-rgb), 0.3);
    border-top-color: var(--color-brand);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Header 響應式設計優化 - 已整合到主要 header 樣式中 */

/* 次要操作按鈕樣式 - 提高選擇器優先級 */
button.btn.btn-secondary,
.btn.btn-secondary {
    background: rgba(var(--overlay-rgb), 0.08) !important;
    border: 1px solid rgba(var(--overlay-rgb), 0.15);
    color: var(--color-text-secondary) !important;
    padding: 12px 20px;
    font-size: 13px;
    backdrop-filter: blur(10px);
    font-weight: 500;
    transition: all var(--transition-fast);
    box-shadow: none;
}

button.btn.btn-secondary:hover,
.btn.btn-secondary:hover {
    background: rgba(var(--overlay-rgb), 0.12) !important;
    color: rgba(var(--overlay-rgb), 0.8) !important;
    border-color: rgba(var(--overlay-rgb), 0.2);
    transform: translateY(-1px);
}

/* 中等螢幕 Header 優化 */
@media (min-width: 769px) and (max-width: 1024px) {
    .header {
        padding: 14px 18px;
    }

    .brand-title {
        font-size: 18px;
    }

    .brand-subtitle {
        font-size: 13px;
    }
}

/* 4. 統一小螢幕配置 (≤767px) - 核心規則
   策略：在所有小螢幕上隱藏系統狀態區，確保核心功能可見 */
@media (max-width: 767px) {
    .system-section {
        display: none;
    }

    .status-separator {
        display: none;
    }

    .brand-subtitle {
        display: none;
    }

    /* 垂直布局 */
    .header {
        padding: 12px 16px;
    }

    .header-container {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .header-brand {
        justify-content: center;
        order: 1;
    }

    .header-actions {
        width: 100%;
        justify-content: space-between;  /* 關鍵：兩端對齊而非居中 */
        flex-wrap: nowrap;  /* 核心元素不換行 */
        gap: 8px;
        padding: 0 8px;
        order: 2;
    }

    /* 場次區塊：允許壓縮，最大佔60% */
    .core-section {
        flex: 1 1 auto;
        min-width: 0;
        max-width: 60%;
        margin-left: 0;
        padding: 0;
    }

    /* 用戶區塊：固定大小，推到右邊 */
    .user-section {
        flex: 0 0 auto;
        min-width: unset;
        margin-left: auto;
    }
}

/* 4a. 中等小螢幕 (576-767px) - 額外優化 */
@media (min-width: 576px) and (max-width: 767px) {
    .quick-session-switcher {
        justify-content: flex-start;
    }

    .session-select {
        max-width: calc(100vw - 200px);  /* 動態計算，留空間給用戶區 */
        font-size: 13px;
    }

    .brand-title {
        font-size: 20px;
    }
}

/* 4b. 手機小螢幕 (<576px) - 極簡模式
   策略：最小化所有非必要元素，保護核心功能 */
@media (max-width: 575px) {
    .header-actions {
        justify-content: space-between;  /* 場次和用戶分兩邊 */
        flex-wrap: nowrap;
        gap: 4px;  /* 減少間距 */
        padding: 0 4px;
    }

    /* 場次切換器極簡化 */
    .core-section {
        margin-left: 0;
        padding: 0;
        flex: 1 1 auto;  /* 允許伸縮 */
        min-width: 0;  /* 允許 flex 壓縮 */
        max-width: calc(100% - 110px);  /* 預留用戶區空間 */
    }

    .user-section {
        padding: 0;
        flex: 0 0 auto;  /* 不伸縮 */
    }

    .quick-session-switcher {
        padding: 0 4px;
        gap: 2px;
    }

    /* 隱藏「場次：」標籤 */
    .quick-session-switcher label,
    .session-label {
        display: none;
    }

    .session-select {
        max-width: calc(100vw - 150px);  /* 動態計算，留空間給用戶區 */
        font-size: 12px;
        padding: 4px 6px;
    }

    /* 簡化自動切換指示器 */
    .auto-switch-indicator {
        display: none;  /* 隱藏自動切換圖標 */
    }

    .switch-time {
        font-size: 10px;
    }

    /* 用戶界面緊湊化 */
    .user-profile-main {
        padding: 4px 8px;
    }

    .user-name {
        max-width: 70px;  /* 限制用戶名寬度 */
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    /* 品牌簡化 */
    .brand-title {
        font-size: 18px;
    }

    .brand-icon {
        width: 40px;
        height: 40px;
    }

    .brand-icon .lucide {
        width: 22px;
        height: 22px;
    }
}

/* 6. 超小手機螢幕 (<480px) - 額外的用戶界面簡化
   策略：進一步簡化用戶下拉選單和登出按鈕 */
@media (max-width: 480px) {
    /* 額外簡化用戶界面元素 */
    .logout-btn .logout-text {
        display: none;  /* 只顯示圖標 */
    }

    .logout-btn {
        padding: 8px 12px;
    }

    .user-profile-main {
        padding: 6px 12px;
    }

    .user-avatar {
        width: 28px;
        height: 28px;
        font-size: 16px;
    }

    .user-name {
        font-size: 12px;
    }

    .user-role {
        display: none;
    }

    /* 進一步縮小場次選擇器 */
    .session-select {
        max-width: calc(100vw - 140px);
        font-size: 11px;
    }
}

/* 7. 超小螢幕 (<400px) - iPhone SE 等
   策略：極致壓縮，確保不溢出 */
@media (max-width: 400px) {
    .header-brand {
        transform: scale(0.9);
        transform-origin: center;
    }

    .header-actions {
        gap: 2px;
        padding: 0 2px;
    }

    .core-section {
        max-width: calc(100% - 100px);
    }

    .session-select {
        max-width: calc(100vw - 130px);
        font-size: 11px;
        padding: 3px 4px;
    }

    /* 隱藏下拉箭頭節省空間 */
    .dropdown-arrow {
        display: none;
    }

    .user-name {
        max-width: 50px;
        font-size: 11px;
    }

    .user-avatar {
        width: 24px;
        height: 24px;
        font-size: 14px;
    }

    .user-profile-main {
        padding: 4px 6px;
        gap: 4px;
    }
}

/* 浮動字幕面板樣式 */
.floating-subtitle-panel {
    position: fixed;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.floating-panel-header {
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-border);
    user-select: none;
}

.panel-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
}

.panel-controls {
    display: flex;
    gap: 8px;
}

.panel-controls button {
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-xs);
    transition: all var(--transition-fast);
    font-size: 14px;
}

.panel-controls button:hover {
    background: rgba(var(--overlay-rgb), 0.1);
    color: var(--color-text-primary);
}

.floating-panel-content {
    flex: 1;
    background: var(--color-bg-primary);
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.floating-panel-content.subtitle-mode {
    font-size: var(--subtitle-font-size, 32px);
    color: var(--subtitle-text-color, #ffffff);
}

.floating-panel-content > div {
    text-align: center;
    margin-bottom: 12px;
    max-width: 90%;
}

.floating-panel-resize-handle {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 20px;
    height: 20px;
    cursor: nwse-resize;
    background: linear-gradient(135deg, transparent 50%, #666 50%);
}

/* 按鈕防重複點擊保護樣式 */
button.processing {
    cursor: not-allowed !important;
    opacity: 0.7;
    position: relative;
}

button.processing::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid rgba(var(--overlay-rgb), 0.3);
    border-top-color: rgba(var(--overlay-rgb), 0.8);
    border-radius: 50%;
    animation: button-spin 0.8s linear infinite;
}

@keyframes button-spin {
    to {
        transform: rotate(360deg);
    }
}

/* 全域按鈕最小觸控區域 */
button,
.button,
[role="button"] {
    min-height: 44px;  /* iOS/Android 建議最小觸控區域 */
    min-width: 44px;
}