/* VoiceTube LiveTranslate Enterprise - Apple/Tesla 風格樣式 */

/* Design system variables are defined in theme.css */

/* Lucide icon defaults */
.lucide {
    width: 18px;
    height: 18px;
    stroke-width: 1.75;
    vertical-align: -0.15em;
    flex-shrink: 0;
}

/* 基礎樣式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* HHTD25 優化: 開發模式切換開關樣式 */
.dropdown-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 15px;
    transition: background-color var(--transition-fast);
}

.dropdown-menu-toggle:hover {
    background-color: rgba(var(--overlay-rgb), 0.05);
}

.menu-toggle-label {
    font-size: 14px;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.ui-lang-select {
    appearance: none;
    -webkit-appearance: none;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text-primary);
    font-size: 13px;
    padding: 4px 8px;
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s;
}
.ui-lang-select:hover { border-color: var(--color-brand); }

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--toggle-track);
    transition: background-color var(--transition-normal);
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: var(--toggle-knob);
    transition: transform var(--transition-normal);
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--color-brand);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

/* HHTD25 優化: 緊急重連按鈕 */
.reconnect-btn {
    margin-left: 8px;
    padding: 2px 8px;
    font-size: 12px;
    background-color: var(--color-warning);
    color: var(--color-text-on-brand);
    border: none;
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.reconnect-btn:hover {
    background-color: var(--color-warning);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    overflow-x: hidden;
}

/* 頂部頭部 */
.header {
    background: var(--header-bg);
    border-bottom: var(--header-border);
    padding: var(--space-md) 0;
    position: relative;
    z-index: 100;
}

.header-container {
    width: 100%;
    max-width: 100%;
    padding: 0 var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-shrink: 0;  /* 防止被壓縮 */
}

.brand-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-icon-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--brand-icon-shadow);
    color: var(--color-brand);
}

.brand-icon .lucide {
    width: 28px;
    height: 28px;
}

.brand-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.brand-title {
    font-size: 22px;
    font-weight: 700;
    margin: 0;
    background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-success) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-subtitle {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin: 0;
    font-weight: 400;
}

.header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0;
    flex: 1;
    min-height: 36px;
    padding: var(--space-xs) var(--space-sm);
    flex-wrap: nowrap;
}

/* 場次快速切換器 */
.quick-session-switcher {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0 var(--space-md);
    background: var(--session-switcher-bg);
    border: 1px solid var(--session-switcher-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    height: 36px;
}

.quick-session-switcher:hover {
    background: rgba(var(--overlay-rgb), 0.08);
    border-color: rgba(var(--overlay-rgb), 0.15);
}

.session-label {
    font-size: 13px;
    color: rgba(var(--overlay-rgb), 0.7);
    white-space: nowrap;
    line-height: 1.4;
}

.session-select {
    background: rgba(var(--shadow-rgb), 0.2);
    color: var(--color-text-primary);
    border: 1px solid rgba(var(--overlay-rgb), 0.1);
    border-radius: var(--radius-xs);
    padding: var(--space-xs) var(--space-sm);
    font-size: 14px;  /* 增大字體方便閱讀 */
    max-width: 380px;  /* 限制最大寬度，以最長場次名稱為基準 */
    cursor: pointer;
    transition: all var(--transition-fast);
    line-height: 1.4;
    min-height: 24px;  /* 改為最小高度 */
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.session-select:hover {
    border-color: var(--color-brand);
    background: rgba(var(--brand-rgb), 0.1);
}

.session-select:focus {
    outline: none;
    border-color: var(--color-brand);
    box-shadow: 0 0 0 2px rgba(var(--brand-rgb), 0.2);
}

/* 轉錄中的場次選擇器樣式（防誤觸視覺提示）*/
/* 只套用在 .cs-trigger 上，不影響被 cs-native-hidden 隱藏的原生 select */
.session-select.transcribing:not(.cs-native-hidden) {
    border-color: var(--color-warning);
    background: rgba(var(--warning-rgb), 0.1);
    position: relative;
}

/* 確保原生 select 永遠隱藏，即使帶有 .transcribing */
.session-select.cs-native-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    pointer-events: none !important;
}

.session-select.transcribing:not(.cs-native-hidden):hover {
    border-color: var(--color-error);
    background: rgba(var(--error-rgb), 0.1);
    cursor: help;
}

.session-select.transcribing:not(.cs-native-hidden)::after {
    content: '轉錄中';
    position: absolute;
    top: -24px;
    left: 0;
    font-size: 11px;
    color: var(--color-warning);
    opacity: 0;
    transition: opacity var(--transition-fast);
    pointer-events: none;
    white-space: nowrap;
}

.session-select.transcribing:not(.cs-native-hidden):hover::after {
    opacity: 1;
}

.switch-time {
    font-size: 11px;
    font-weight: 600;
    margin-left: 8px;
    transition: opacity var(--transition-normal);
    white-space: nowrap;
}

/* 狀態列分區 */
.status-section {
    display: flex;
    align-items: center;
    height: 36px;
    line-height: 36px;
}

.core-section {
    order: 2;
    margin-left: auto;
    padding: 0;
    flex: 0 1 auto;
    min-width: 0;
}

.status-separator {
    width: 1px;
    height: 20px;
    background: var(--header-divider, rgba(var(--overlay-rgb), 0.15));
    margin: 0 16px;
    font-size: 0;
    color: transparent;
    overflow: hidden;
    flex-shrink: 0;
}

/* 系統狀態區 — 正常狀態隱藏，異常時由 JS 加 .has-issue 顯示 */
.system-section {
    order: 4;
    display: none;
    align-items: center;
    gap: 16px;
    padding: 0;
    min-height: 36px;
    flex-shrink: 1;
    white-space: nowrap;
    min-width: 0;
}

.system-section.has-issue {
    display: flex;
}

/* 用戶資訊區 */
.user-section {
    order: 3;  /* 優先級 3: 用戶資訊是核心功能，必須保留 */
    flex: 0 0 auto;  /* 不伸縮，保持內容寬度 */
    min-width: unset;  /* 移除剛性最小寬度，讓 media query 控制 */
}

.system-status,
.connection-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    line-height: 1;
    height: 36px;
}

/* 狀態列內的 vocab-sync-status - header 版本（inline, 無背景） */
#syncStatusIndicator,
.header-actions .vocab-sync-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    line-height: 1;
    height: 36px;
    padding: 0;
    margin: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
    vertical-align: middle;
}

.status-label {
    color: rgba(var(--overlay-rgb), 0.5);
    font-weight: 400;
    font-size: 13px;
    white-space: nowrap;
}

.status-value {
    color: rgba(var(--overlay-rgb), 0.9);
    font-weight: 500;
    font-size: 13px;
    white-space: nowrap;
}

/* sync-detail 對齊 */
#syncStatusIndicator .sync-detail,
.header-actions .vocab-sync-status .sync-detail {
    display: inline-flex;
    align-items: center;
    height: 36px;
    line-height: 1;
    font-size: 13px;
    margin: 0;
    padding: 0;
    white-space: nowrap;
    overflow: visible;
}

/* 同步狀態指示器 - 簡化版 */
.vocab-sync-status {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: nowrap;  /* 不允許換行 */
    white-space: nowrap;  /* 內容不換行 */
}

.sync-detail {
    color: rgba(var(--overlay-rgb), 0.5);
    font-size: 12px;
    margin-left: 4px;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    min-height: 36px;
}

.sync-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-text-tertiary);
    transition: all var(--transition-normal);
}

.sync-dot.active {
    background: var(--color-success);
    box-shadow: 0 0 8px rgba(var(--success-rgb), 0.6);
    animation: pulse 2s infinite;
}

.sync-dot.inactive {
    background: var(--color-warning);
    box-shadow: 0 0 8px rgba(var(--warning-rgb), 0.4);
}

.sync-dot.error {
    background: var(--color-error);
    box-shadow: 0 0 8px rgba(var(--error-rgb), 0.4);
}

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

.sync-text {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-primary);
}

/* 移除重複的 .sync-detail 定義 */
/* .sync-detail - 已在上方定義 */

.user-profile {
    position: relative;
    background: var(--user-profile-bg);
    border: 1px solid var(--user-profile-border);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    transition: all var(--transition-fast);
    height: 36px;
    margin-left: var(--space-md);
}
.user-profile:hover {
    background: rgba(var(--overlay-rgb), 0.08);
    border-color: rgba(var(--overlay-rgb), 0.15);
}
.user-profile-main {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0 var(--space-md);
    cursor: pointer;
    user-select: none;
    height: 36px;
}
.dropdown-arrow {
    margin-left: auto;
    color: rgba(var(--overlay-rgb), 0.6);
    transition: transform var(--transition-fast);
    display: flex;
}

.dropdown-arrow .lucide {
    width: 14px;
    height: 14px;
}
.user-profile.expanded .dropdown-arrow {
    transform: rotate(180deg);
}
.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 220px;
    margin-top: var(--space-sm);
    background: var(--color-bg-secondary);
    border: 1px solid rgba(var(--overlay-rgb), 0.1);
    border-radius: var(--radius-md);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 1000;
}
.user-profile.expanded .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-avatar {
    font-size: 18px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-purple) 100%);
    border-radius: var(--radius-sm);
}

.user-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.user-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-primary);
    line-height: 1.2;
}

.user-role {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(var(--error-rgb), 0.1);
    border: 1px solid rgba(var(--error-rgb), 0.3);
    border-radius: var(--radius-md);
    color: var(--color-error);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast) ease;
}

.logout-btn:hover {
    background: rgba(var(--error-rgb), 0.2);
    border-color: rgba(var(--error-rgb), 0.5);
    transform: translateY(-1px);
}

/* 下拉選單中的一般按鈕 */
.dropdown-menu-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    width: calc(100% - 24px);
    margin: 0 12px;
    padding: 10px 16px;
    background: transparent;
    border: none;
    border-radius: var(--radius-xs);
    color: var(--color-text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.dropdown-menu-btn:hover {
    background: rgba(var(--overlay-rgb), 0.05);
}

.dropdown-menu-btn .menu-text {
    flex: 1;
    text-align: left;
}

.dropdown-menu-btn .menu-icon {
    opacity: 0.5;
    display: flex;
}

.dropdown-menu-btn .menu-icon .lucide {
    width: 16px;
    height: 16px;
}

/* 下拉選單中的登出按鈕 */
.dropdown-logout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: calc(100% - 24px);
    margin: 0 12px 12px 12px;
    padding: 8px 16px;
    background: transparent;
    border: 1px solid rgba(var(--error-rgb), 0.3);
    border-radius: var(--radius-xs);
    color: var(--color-error);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast) ease;
    text-align: left;
}

.dropdown-logout-btn:hover {
    background: rgba(var(--error-rgb), 0.1);
}

.dropdown-divider {
    height: 1px;
    background: rgba(var(--overlay-rgb), 0.1);
    margin: 8px 0;
}

.logout-text {
    font-size: 14px;
}

.logout-icon {
    font-size: 16px;
    transition: transform var(--transition-fast) ease;
}

.logout-btn:hover .logout-icon {
    transform: translateX(2px);
}

/* 增強版本橫幅 - 已移除 */

/* Radio 按鈕樣式 */
.radio-label {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex: 1;
}

.radio-label:hover {
    background: var(--color-border);
}

.radio-label input[type="radio"] {
    margin-right: 6px;
}

.radio-label input[type="radio"]:checked + span {
    font-weight: 600;
    color: var(--color-brand);
}

/* 快速開始提示 - 已移除 */

/* 主要容器 */
.main-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    height: calc(100vh - var(--header-height));
    gap: var(--space-lg);
    padding: var(--space-lg);
}

/* 左右面板 */
.left-panel, .right-panel {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
}

/* 左側面板 - 可捲動，CustomSelect 用 portal-to-body 不受 overflow 影響 */
.left-panel {
    overflow-y: auto;
    position: relative;
    min-height: 0; /* grid item 需要此設定才能正確捲動 */
    scrollbar-width: thin;
    scrollbar-color: rgba(var(--brand-rgb), 0.3) transparent;
}

.left-panel::-webkit-scrollbar {
    width: 6px;
}

.left-panel::-webkit-scrollbar-track {
    background: transparent;
}

.left-panel::-webkit-scrollbar-thumb {
    background: rgba(var(--brand-rgb), 0.3);
    border-radius: 3px;
}

.left-panel::-webkit-scrollbar-thumb:hover {
    background: rgba(var(--brand-rgb), 0.5);
}

/* 右側面板特別設置 - 使用 flexbox 讓內容自動擴展 */
.right-panel {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden; /* 防止整個面板捲動 */
}

/* 結果操作按鈕區域 */
.result-actions {
    margin-top: var(--space-md);
    text-align: right;
    flex-shrink: 0; /* 防止按鈕區域被壓縮 */
}

.left-panel h3, .right-panel h3 {
    margin-bottom: var(--space-lg);
    font-size: 18px;
    font-weight: 600;
}

/* 結果面板頭部 */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.results-header h3 {
    margin-bottom: 0;
}

/* 標題行（標題 + 清除按鈕） */
.results-title-row {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* 次要清除按鈕 - 低調文字連結風格 */
.btn-clear-subtle {
    padding: var(--space-xs) var(--space-sm);
    font-size: 12px;
    color: var(--color-text-tertiary);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    opacity: 0.5;
}

.btn-clear-subtle:hover {
    opacity: 1;
    color: var(--color-error);
    background: rgba(var(--error-rgb), 0.06);
}

/* 顯示控制區域 */
.display-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* 字幕模式工具列 */
.subtitle-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    margin-bottom: 8px;
    flex-shrink: 0;
}

.subtitle-toolbar-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.subtitle-toolbar-actions button {
    transition: all var(--transition-fast);
}

.subtitle-toolbar-actions button:hover {
    transform: translateY(-1px);
}

/* 廣播按鈕 */
.broadcast-btn {
    color: var(--color-text-secondary);
    background: var(--btn-secondary-bg);
    border-color: var(--btn-secondary-border);
}
.broadcast-btn:hover {
    color: var(--color-text-primary);
    background: var(--btn-secondary-hover-bg);
    border-color: var(--color-text-tertiary);
}
.broadcast-btn.active {
    background: var(--color-error);
    color: var(--color-text-on-brand);
    border-color: var(--color-error);
}

/* 廣播資訊條 */
.broadcast-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 24px;
    background: rgba(var(--error-rgb), 0.08);
    border-bottom: 1px solid rgba(var(--error-rgb), 0.2);
    animation: fadeIn 0.3s ease-out;
}
.broadcast-bar-left {
    display: flex;
    align-items: center;
    gap: 10px;
}
.broadcast-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-error);
    animation: blink 1s infinite;
}
.broadcast-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-error);
}
.broadcast-viewer-count {
    font-size: 12px;
    color: var(--color-text-secondary);
    background: var(--color-bg-tertiary);
    padding: 2px 10px;
    border-radius: 10px;
}
.broadcast-bar-center {
    display: flex;
    align-items: center;
    gap: 6px;
}
.broadcast-lang-label {
    font-size: 12px;
    color: var(--color-text-secondary);
    white-space: nowrap;
}
.broadcast-bar-right {
    display: flex;
    gap: 8px;
}
.broadcast-copy-btn,
.broadcast-stop-btn {
    padding: 4px 12px;
    font-size: 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid var(--color-border);
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
}
.broadcast-copy-btn:hover {
    color: var(--color-text-primary);
    border-color: var(--color-text-secondary);
}
.broadcast-stop-btn {
    color: var(--color-error);
    border-color: rgba(var(--error-rgb), 0.3);
}
.broadcast-stop-btn:hover {
    background: var(--color-error);
    color: var(--color-text-on-brand);
    border-color: var(--color-error);
}

/* 廣播語言下拉 */
.bc-lang-dropdown {
    position: relative;
}
.bc-lang-toggle {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 4px 10px;
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
    min-width: 80px;
    text-align: left;
}
.bc-lang-toggle:hover {
    border-color: var(--color-text-secondary);
}
.bc-lang-menu {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 6px 0;
    min-width: 160px;
    z-index: 100;
    box-shadow: 0 4px 16px rgba(var(--shadow-rgb), 0.4);
}
.bc-lang-menu.open {
    display: block;
}
.bc-lang-menu label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 12px;
    font-size: 13px;
    color: var(--color-text-primary);
    cursor: pointer;
    white-space: nowrap;
}
.bc-lang-menu label:hover {
    background: var(--color-bg-tertiary);
}
.bc-lang-menu input[type="checkbox"] {
    accent-color: var(--color-brand);
}

/* 字幕設定 toggle 按鈕 */
.subtitle-settings-toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    font-size: 13px;
    cursor: pointer;
    border-radius: var(--radius-xs);
    transition: all var(--transition-fast);
    opacity: 0.8;
}

.subtitle-settings-toggle:hover {
    opacity: 1;
    background: rgba(var(--overlay-rgb), 0.06);
}

.subtitle-settings-toggle.active {
    color: var(--color-text-primary);
    opacity: 1;
}

.subtitle-settings-toggle .settings-chevron {
    width: 14px;
    height: 14px;
    transition: transform var(--transition-fast) ease;
}

.subtitle-settings-toggle.active .settings-chevron {
    transform: rotate(180deg);
}

/* (字幕設定按鈕樣式已移至 .subtitle-settings-toggle) */

/* 開始廣播按鈕 — 廣播啟動後由 JS 設定紅色 active 狀態 */

/* 顯示模式 segmented control */
.display-mode-tabs {
    display: flex;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    padding: 3px;
    gap: 2px;
}

.dm-tab {
    padding: 5px 14px;
    font-size: 13px;
    border: none;
    border-radius: var(--radius-xs);
    background: transparent;
    color: var(--color-text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.dm-tab:hover {
    color: var(--color-text-primary);
}

.dm-tab.active {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}

/* 隱藏的原始 select，保持 JS 相容 */
.display-mode-select {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.display-mode-select:hover {
    border-color: var(--color-border-hover);
    background: var(--color-bg-tertiary);
}

.display-mode-select:focus {
    outline: none;
    border-color: var(--color-brand);
    box-shadow: 0 0 0 3px rgba(var(--brand-rgb), 0.2);
}

/* 結果區域容器 — 讓設定面板可以浮動 */
.result-container {
    position: relative;
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

/* 字幕控制面板 — 浮動 overlay */
.subtitle-controls {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: 0 8px 24px rgba(var(--shadow-rgb), 0.25);
    animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Subtitle controls — sc-* layout system */
.sc-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}
.sc-row:last-child {
    margin-bottom: 0;
}
.sc-label {
    font-size: 13px;
    color: var(--color-text-tertiary);
    min-width: 72px;
    flex-shrink: 0;
}
.sc-control {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}
.sc-slider-group {
    gap: 12px;
}
.sc-value {
    font-size: 13px;
    color: var(--color-text-secondary);
    min-width: 40px;
}
.sc-bg-group {
    gap: 12px;
}
.sc-toggle-label {
    font-size: 12px;
    color: var(--color-text-tertiary);
}
.sc-select {
    padding: 6px 10px;
    font-size: 13px;
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%238e8e93' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    padding-right: 28px;
}
.sc-select:hover {
    border-color: var(--color-border-hover);
}
.sc-divider {
    height: 1px;
    background: var(--color-border-subtle);
    margin: 14px 0;
}
.sc-footer {
    display: flex;
    justify-content: flex-end;
    margin-top: 8px;
}
.sc-reset-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    font-size: 12px;
    color: var(--color-text-tertiary);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.sc-reset-btn:hover {
    color: var(--color-text-secondary);
    border-color: var(--color-border-hover);
    background: rgba(var(--overlay-rgb), 0.04);
}
.sc-reset-btn .lucide {
    width: 12px;
    height: 12px;
}
/* Small toggle variant */
.toggle-switch.toggle-sm {
    width: 36px;
    height: 20px;
}
.toggle-switch.toggle-sm .toggle-slider:before {
    height: 14px;
    width: 14px;
}
.toggle-switch.toggle-sm input:checked + .toggle-slider:before {
    transform: translateX(16px);
}

/* Legacy label fallback — replaced by .sc-label */

/* 滑桿樣式 */
.subtitle-controls .slider {
    flex: 1;
    max-width: 200px;  /* 限制最大寬度 */
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: var(--color-border-hover);  /* 更明顯的對比色 */
    border-radius: 3px;
    outline: none;
    transition: background var(--transition-fast) ease;
}

.subtitle-controls .slider:hover {
    background: var(--color-border-hover);  /* hover 時更亮 */
}

.subtitle-controls .slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--color-brand);
    border-radius: 50%;
    cursor: pointer;
    transition: transform var(--transition-fast) ease;
    box-shadow: 0 2px 4px rgba(var(--shadow-rgb), 0.3);
}

.subtitle-controls .slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    background: var(--color-brand-dark);
}

.subtitle-controls .slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--color-brand);
    border-radius: 50%;
    cursor: pointer;
    transition: transform var(--transition-fast) ease;
    box-shadow: 0 2px 4px rgba(var(--shadow-rgb), 0.3);
}

.subtitle-controls .slider::-moz-range-thumb:hover {
    transform: scale(1.2);
    background: var(--color-brand-dark);
}

/* 顏色選擇器 */
.subtitle-controls .color-picker {
    width: 40px;
    height: 28px;
    border: 2px solid var(--color-border-hover);
    border-radius: var(--radius-xs);
    cursor: pointer;
    background: transparent;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08);
}
.subtitle-controls .color-picker:hover {
    border-color: var(--color-text-tertiary);
}
[data-theme="light"] .subtitle-controls .color-picker {
    border-color: var(--color-border-hover);
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.12);
}

.subtitle-controls .checkbox-label input[type="checkbox"] {
    cursor: pointer;
}

/* 語言模式選擇器 */
.language-mode-select {
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xs);
    padding: 6px 12px;
    font-size: 14px;
    cursor: pointer;
    min-width: 150px;
}

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

.language-mode-select:focus {
    outline: none;
    border-color: var(--color-brand);
    box-shadow: 0 0 0 3px rgba(var(--brand-rgb), 0.2);
}

/* 預設樣式按鈕 */
.preset-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.preset-btn {
    padding: 4px 10px;
    font-size: 12px;
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    border-radius: 100px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.preset-btn:hover {
    border-color: var(--color-brand);
    color: var(--color-brand);
    background: rgba(var(--brand-rgb), 0.08);
}

/* 恢復預設 — 使用 .sc-reset-btn 類別樣式 */

#resetToDefaultBtn .lucide {
    width: 13px;
    height: 13px;
}

/* 字幕模式下的特殊樣式 */
/* 字幕模式 - 與投影視窗完全一致 */
.subtitle-mode {
    background: var(--subtitle-bg-color, rgba(var(--shadow-rgb), 0.8)) !important;
    border: none !important;
    padding: 32px !important;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow-y: auto;
    min-height: 300px;
}

/* 字幕行 — 與投影視窗 subtitle-line 完全一致 */
.subtitle-mode .subtitle-final,
.subtitle-mode .subtitle-translation,
.subtitle-mode .subtitle-interim {
    font-size: var(--subtitle-font-size, 32px);
    color: var(--subtitle-text-color, #ffffff);
    line-height: 1.4;
    text-align: center;
    margin-bottom: var(--subtitle-line-spacing, 16px);
    padding: 8px 16px;
    background: rgba(var(--shadow-rgb), 0.5);
    border-radius: 8px;
    max-width: 90%;
    animation: subtitleFadeIn 0.3s ease;
    text-wrap: pretty;
    line-break: strict;
}

.subtitle-mode .subtitle-translation {
    opacity: 0.9;
}

.subtitle-mode .subtitle-interim {
    opacity: 0.6;
}

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

/* When empty state is showing, match normal result-area appearance */
.subtitle-mode:has(.empty-state:only-child) {
    background: var(--color-bg-secondary);
    padding: var(--space-lg);
}

/* Exclude empty state children from subtitle mode font/color overrides */
.subtitle-mode .empty-state,
.subtitle-mode .empty-state div,
.subtitle-mode .empty-state p {
    font-size: inherit !important;
    line-height: inherit !important;
    background-color: transparent !important;
}
.subtitle-mode .empty-state span {
    color: inherit !important;
    background-color: transparent !important;
    padding: 0 !important;
    border-radius: 0 !important;
    display: inline !important;
}
.subtitle-mode .empty-state .empty-state-tagline {
    font-size: 15px !important;
    color: var(--color-text-tertiary) !important;
}
.subtitle-mode .empty-state .step-number {
    font-size: 18px !important;
    font-weight: bold !important;
    color: var(--color-text-secondary) !important;
    background: rgba(var(--overlay-rgb), 0.06) !important;
    padding: 0 !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 36px !important;
    height: 36px !important;
    flex-shrink: 0 !important;
    line-height: 1 !important;
    margin-right: 16px !important;
}
.subtitle-mode .empty-state .empty-state-steps {
    display: flex !important;
    align-items: center !important;
    gap: 16px !important;
}
.subtitle-mode .empty-state .step-item {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    font-size: 14px !important;
}
.subtitle-mode .empty-state .step-text {
    font-size: 14px !important;
    color: var(--color-text-secondary) !important;
    white-space: nowrap !important;
    background: transparent !important;
}
.subtitle-mode .empty-state .step-divider {
    font-size: 14px !important;
    display: flex !important;
    align-items: center !important;
    color: var(--color-border-hover) !important;
}
.subtitle-mode .empty-state .step-divider .lucide {
    width: 16px !important;
    height: 16px !important;
}

/* 字幕滾動模式 */
.subtitle-mode.scroll-mode {
    justify-content: flex-end;
    overflow: hidden;
    height: var(--subtitle-scroll-height, 300px);
}

.subtitle-mode.scroll-mode .subtitle-line-out {
    animation: subtitleSlideOut 0.3s ease-out forwards;
}

@keyframes subtitleSlideOut {
    from { transform: translateY(0); opacity: 1; }
    to { transform: translateY(-50px); opacity: 0; }
}

/* 小尺寸滑動條 */
.slider.small {
    height: 20px;
    padding: 0;
}

.slider.small::-webkit-slider-thumb {
    height: 16px;
    width: 16px;
}

.slider.small::-moz-range-thumb {
    height: 16px;
    width: 16px;
}

/* 可折疊面板樣式 - 繼承統一樣式系統 */
.collapsible-section {
    margin-bottom: 0;
    border: none;
    border-radius: 0;
    overflow: hidden;
    background: transparent;
    border-bottom: 1px solid var(--color-border);
}

.section-header {
    display: flex;
    align-items: center;
    padding: 12px 0;
    background: transparent;
    cursor: pointer;
    user-select: none;
    transition: background-color var(--transition-fast) ease;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
}

.section-header:hover {
    background: rgba(var(--overlay-rgb), 0.03);
    border-radius: var(--radius-sm);
}

.section-header.active {
    background: transparent;
    border-bottom: none;
}

.section-icon {
    margin-right: 8px;
    transition: transform var(--transition-normal) ease;
    color: var(--color-text-tertiary);
    width: 12px;
    display: inline-flex;
}

.section-icon .lucide {
    width: 12px;
    height: 12px;
}

/* Section header inline icons — muted, not brand */
.section-header > span > .lucide {
    color: var(--color-text-tertiary);
    width: 14px;
    height: 14px;
    vertical-align: -2px;
    margin-right: 4px;
}

.section-header.active .section-icon {
    transform: rotate(0deg);
}

.section-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal) ease-out, padding var(--transition-normal) ease-out;
    padding: 0;
}

.section-content.show {
    max-height: 800px;
    padding: 8px 0 16px 0;
    transition: max-height var(--transition-normal) ease-in, padding var(--transition-normal) ease-in;
}

.section-content > div {
    margin-bottom: 16px;
}

.section-content > div:last-child {
    margin-bottom: 0;
}

/* 音頻上傳區域 */
.upload-area {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: 40px 20px;
    text-align: center;
    transition: all var(--transition-normal) ease;
    cursor: pointer;
    margin-bottom: 20px;
}

.upload-area:hover, .upload-area.drag-over {
    border-color: var(--color-brand);
    background: rgba(var(--brand-rgb), 0.1);
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.upload-area p {
    margin-bottom: 4px;
}

.upload-area strong {
    font-weight: 600;
}

/* 音頻播放控制 - 增強版設計 */
.audio-controls {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin: var(--space-lg) 0;
    display: none;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.audio-controls.active {
    display: block;
    animation: fadeInUp 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* 音檔標題區域 */
.audio-title-section {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

/* 移除音檔按鈕 */
.remove-audio-btn {
    background: rgba(var(--error-rgb), 0.15);
    border: 1px solid rgba(var(--error-rgb), 0.3);
    color: var(--color-error);
    border-radius: 50%;
    width: 28px;
    height: 28px;
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-left: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.remove-audio-btn:hover {
    background: rgba(var(--error-rgb), 0.25);
    border-color: rgba(var(--error-rgb), 0.5);
    transform: scale(1.1);
}

.remove-audio-btn:active {
    transform: scale(0.95);
}

.audio-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-purple) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--color-text-on-brand);
    box-shadow: 0 4px 16px rgba(var(--brand-rgb), 0.3);
}

.audio-title-info {
    flex: 1;
}

.audio-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0 0 4px 0;
    line-height: 1.2;
}

.audio-subtitle {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin: 0;
}

/* 播放控制區域 */
.playback-controls {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.play-btn {
    background: var(--btn-primary-bg);
    border: 1px solid var(--btn-primary-border);
    border-radius: 50%;
    width: 56px;
    height: 56px;
    color: var(--btn-primary-text);
    font-size: 24px;
    cursor: pointer;
    transition: all var(--transition-normal) cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(var(--brand-rgb), 0.3);
    position: relative;
    overflow: hidden;
}

.play-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(var(--overlay-rgb), 0.2) 0%, transparent 50%);
    border-radius: 50%;
    opacity: 0;
    transition: opacity var(--transition-normal) ease;
}

.play-btn:hover {
    background: var(--btn-primary-hover-bg);
    transform: scale(1.05) translateY(-2px);
}

.play-btn:hover::before {
    opacity: 1;
}

.play-btn:active {
    transform: scale(1.02);
}

.progress-container {
    flex: 1;
    margin: 0 16px;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--color-border);
    border-radius: 3px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(var(--shadow-rgb), 0.3);
}

.progress-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        rgba(var(--overlay-rgb), 0.1) 0%, 
        transparent 50%, 
        rgba(var(--overlay-rgb), 0.1) 100%);
    border-radius: 3px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-brand) 0%, var(--color-purple) 100%);
    border-radius: 3px;
    width: 0%;
    transition: width var(--transition-fast) cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    box-shadow: 0 0 8px rgba(var(--brand-rgb), 0.6);
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -6px;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: var(--slider-thumb-bg);
    border-radius: 50%;
    box-shadow:
        0 2px 8px rgba(var(--shadow-rgb), 0.3),
        0 0 0 2px var(--slider-thumb-border);
    opacity: 0;
    transition: opacity var(--transition-normal) ease;
}

.progress-bar:hover .progress-fill::after {
    opacity: 1;
}

.time-display {
    font-size: 13px;
    color: var(--color-text-secondary);
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}

.time-current {
    color: var(--color-brand);
    font-weight: 600;
}

/* 按鈕樣式 */
.btn {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    border: 1px solid var(--btn-primary-border);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-fast) ease;
    margin-right: var(--space-sm);
    margin-bottom: var(--space-sm);
    min-height: 44px;  /* iOS/Android 建議最小觸控區域 */
    min-width: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn:hover {
    background: var(--btn-primary-hover-bg);
}

.btn:disabled {
    background: var(--color-border);
    cursor: not-allowed;
    transform: none;
}

.btn.secondary {
    background: var(--btn-secondary-bg);
    color: var(--btn-secondary-text);
    border: 1px solid var(--btn-secondary-border);
}

.btn.secondary:hover {
    background: var(--color-border-hover); /* hover 狀態保持淺一點 */
}

/* 模型選擇器 */
.model-selector {
    margin: 20px 0;
}

.model-selector label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.model-selector select {
    width: 100%;
    height: 36px;  /* 統一高度 */
    background: var(--color-bg-tertiary, #3A3A3C);
    color: var(--color-text-primary, #FFFFFF);
    border: 1px solid var(--color-border, #3A3A3C);
    border-radius: var(--radius-xs);
    padding: 8px 12px;  /* 統一內距 */
    font-size: 14px;
    font-family: inherit;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

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

/* 錄音頁面的模型選擇器樣式 */
.model-selector-recording {
    padding: 0 0 16px 0;
    margin-bottom: 20px;
}

.model-selector-recording label {
    color: var(--color-brand);
    font-size: 14px;
    margin-bottom: 8px;
    display: block;
    font-weight: 600;
}

.model-selector-recording select {
    width: 100%;
    height: 36px;  /* 統一高度 */
    padding: 8px 12px;  /* 統一內距 */
    background: var(--color-bg-tertiary, #3A3A3C);
    border: 1px solid var(--color-border, #3A3A3C);
    font-size: 14px;
    color: var(--color-text-primary, #FFFFFF);
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.model-selector-recording select:hover {
    border-color: var(--color-brand);
}

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

/* ============================
   語言設定區塊（使用統一折疊面板樣式）
   ============================ */

/* 雙列容器 */
.language-pair-container {
    display: flex;
    align-items: flex-end;
    gap: 12px;
}

/* Compact inline language settings */
.language-settings-compact {
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 0;
    padding-bottom: 4px;
}

/* 預設狀態：隱藏 header，顯示 selects */
.language-settings-compact .section-header {
    display: none !important;
}

.language-settings-compact .section-content,
.language-settings-compact .section-content.show {
    max-height: 200px !important;
    padding: 8px 0 12px 0 !important;
    overflow: visible !important;
}

/* 錄音中鎖定狀態：顯示 header 摘要行，隱藏 selects */
.language-settings-compact .section-header.locked {
    display: flex !important;
    padding: 10px 0;
    cursor: default;
    pointer-events: none;
}

/* 鎖定時隱藏 chevron 和標題文字，只顯示摘要 */
.language-settings-compact .section-header.locked .section-icon,
.language-settings-compact .section-header.locked > span:nth-child(2) {
    display: none;
}

.language-settings-compact .section-header.locked .language-summary-inline {
    opacity: 1;
    margin-left: 0;
    font-size: 13px;
    color: var(--color-text-secondary);
    max-width: 100%;
}

.language-settings-compact .section-header.locked .section-lock-icon {
    display: inline-flex !important;
    opacity: 0.5;
    margin-left: 0;
    margin-right: 6px;
    order: -1;
}

.language-settings-compact .section-header.locked .section-lock-icon .lucide {
    width: 12px;
    height: 12px;
}

/* 鎖定時隱藏 select 區塊 */
.language-settings-compact .section-header.locked ~ .section-content,
.language-settings-compact .section-header.locked ~ .section-content.show {
    max-height: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
}

.language-pair-inline {
    display: flex;
    align-items: flex-end;
    gap: 8px;
}

.language-pair-inline .language-column {
    flex: 1;
    min-width: 0;
}

.language-pair-inline .language-arrow {
    padding-bottom: 6px;
}

.language-pair-inline .language-arrow .lucide {
    width: 16px;
    height: 16px;
    color: var(--color-text-tertiary);
}

.language-column {
    flex: 1;
    min-width: 0;  /* 防止 flex 子項溢出 */
}

.language-arrow {
    font-size: 20px;
    color: var(--color-text-secondary);
    padding-bottom: 8px;  /* 對齊 select 中心 */
    flex-shrink: 0;
}

/* 折疊面板摘要（顯示在 header 右側，收束時可見） */
.section-summary-inline,
.language-summary-inline {
    margin-left: auto;
    font-size: 12px;
    font-weight: 400;
    color: var(--color-text-secondary);
    opacity: 0;
    transition: opacity var(--transition-normal) ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 50%;
}

/* 鎖定圖示（錄音中顯示） */
.section-lock-icon {
    margin-left: auto;
    font-size: 12px;
    opacity: 0;
    transition: opacity var(--transition-normal) ease;
}

/* 鎖定狀態：顯示鎖定圖示，摘要不再需要 margin-left: auto */
.section-header.locked .section-lock-icon {
    opacity: 1;
}

.section-header.locked .section-summary-inline,
.section-header.locked .language-summary-inline {
    margin-left: 8px;
}

/* 收束時顯示摘要 */
.section-header:not(.active) .section-summary-inline,
.section-header:not(.active) .language-summary-inline {
    opacity: 1;
}

/* RWD: 小螢幕改為垂直排列 */
@media (max-width: 400px) {
    .language-pair-container {
        flex-direction: column;
        align-items: stretch;
    }

    .language-arrow {
        text-align: center;
        padding: 8px 0;
        transform: rotate(90deg);
    }
}

/* 狀態指示器 */
.status-indicator {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: var(--space-sm);
    background: var(--color-error);
}

.status-indicator.ready {
    background: var(--color-success);
}

.status-indicator.processing {
    background: var(--color-warning);
    animation: pulse 1.5s ease-in-out infinite;
}

.status-indicator.error {
    background: var(--color-error);
}

/* (pulse keyframes — consolidated above) */

/* 轉錄結果樣式 - 參考GUI版本 */
.result-area {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    flex: 1; /* 自動擴展填充剩餘空間 */
    min-height: 0; /* 重要：允許 flex 項目收縮到小於內容高度 */
    overflow-y: auto;
    color: var(--color-text-primary);
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
    font-size: 14px;
    line-height: 1.6;
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}

.result-area::-webkit-scrollbar {
    width: 6px;
}

.result-area::-webkit-scrollbar-track {
    background: transparent;
}

.result-area::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 3px;
}

/* 「回到最新」浮動按鈕 */
.scroll-to-bottom-btn {
    position: absolute;
    bottom: 16px;
    right: 20px;
    z-index: 10;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: opacity 0.2s, transform 0.2s;
    opacity: 0.85;
}

.scroll-to-bottom-btn:hover {
    opacity: 1;
    background: var(--color-bg-tertiary);
    transform: translateY(1px);
}

.scroll-to-bottom-btn svg {
    width: 18px;
    height: 18px;
}

/* 空狀態引導 — 有其他內容時自動隱藏 */
.empty-state:not(:only-child) {
    display: none;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 300px;
    gap: 28px;
}

.empty-state-tagline {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text-tertiary);
    letter-spacing: 0.3px;
    margin: 0;
}

.empty-state-steps {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: rgba(var(--overlay-rgb), 0.03);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-md);
}

.step-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(var(--brand-rgb), 0.1);
    color: var(--color-brand);
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

.step-text {
    font-size: 14px;
    color: var(--color-text-secondary);
    white-space: nowrap;
    font-weight: 500;
}

.step-divider {
    display: flex;
    align-items: center;
    color: var(--color-text-tertiary);
    opacity: 0.5;
}

.step-divider .lucide {
    width: 16px;
    height: 16px;
}

.result-area::-webkit-scrollbar-thumb:hover {
    background: var(--color-border-hover);
}

/* 轉錄結果項目 */
.result-item {
    margin-bottom: 16px;
    animation: fadeIn 0.3s ease-in-out;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    border-left: 4px solid transparent;
    background: rgba(var(--overlay-rgb), 0.02);
    backdrop-filter: blur(10px);
    transition: all var(--transition-fast) ease;
}

.result-item:hover {
    background: rgba(var(--overlay-rgb), 0.05);
    transform: translateY(-1px);
}

/* 中間結果 (灰色) - 類似GUI版本的interim results */
.result-item.interim {
    color: var(--color-text-secondary);
    border-left-color: var(--color-text-secondary);
    background: rgba(var(--text-secondary-rgb), 0.1);
    opacity: 0.8;
}

.result-item.interim .result-meta {
    color: var(--color-text-secondary);
    font-size: 12px;
    font-weight: 500;
}

.result-item.interim::before {
    content: "🔘";
    margin-right: 8px;
    opacity: 0.8;
}

/* 最終結果 (藍色) - 類似GUI版本的final results */
.result-item.final {
    color: var(--color-text-primary);
    border-left-color: var(--color-brand);
    background: rgba(var(--brand-rgb), 0.1);
    font-weight: 600;
}

.result-item.final .result-meta {
    color: var(--color-info);
    font-size: 12px;
    font-weight: 500;
}

.result-item.final::before {
    content: "✅";
    margin-right: 8px;
    font-size: 16px;
}

/* 翻譯結果 (紫色/灰色) - 類似GUI版本的translation results */
.result-item.translation {
    color: var(--color-text-secondary);
    border-left-color: var(--color-purple);
    background: rgba(var(--purple-rgb), 0.1);
    margin-left: 28px;
    font-style: italic;
}

.result-item.translation .result-meta {
    color: var(--color-purple);
    font-size: 12px;
    font-weight: 500;
}

.result-item.translation::before {
    content: "🌐";
    margin-right: 8px;
    font-size: 16px;
}

/* 結果元信息樣式 */
.result-meta {
    font-size: 11px;
    margin-bottom: 6px;
    opacity: 0.8;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 動畫效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* Demo信息樣式 */
.demo-message {
    text-align: center;
    color: var(--color-text-secondary);
    padding: 40px 20px;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    background: rgba(var(--overlay-rgb), 0.02);
}

.demo-message p {
    margin: 8px 0;
    line-height: 1.5;
}

.demo-message strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

/* ============================================
   響應式設計 - 精細化斷點策略
   ============================================ */

/* 1. 大螢幕 (1200-1399px) - 簡化文字標籤
   策略：使用更短的標籤文字，保持所有功能在單行顯示 */
@media (min-width: 1200px) and (max-width: 1399px) {
    .header-actions {
        gap: 8px;  /* 減少間距 */
    }

    .status-label {
        font-size: 11px;  /* 縮小字體 */
    }

    .status-value {
        font-size: 11px;
        max-width: 60px;  /* 限制寬度 */
    }

    /* 隱藏詞庫狀態，只保留系統狀態 */
    #syncStatusIndicator,
    .header-actions .vocab-sync-status {
        display: none;
    }

    /* 場次選擇器限制寬度 */
    .session-select {
        max-width: 280px;
    }
}

/* 2. 中等螢幕 (992-1199px) - 只顯示核心功能
   策略：只保留核心功能（場次、用戶），隱藏所有系統狀態 */
@media (min-width: 992px) and (max-width: 1199px) {
    .header-actions {
        gap: 8px;
        flex-wrap: nowrap;  /* 核心元素不換行 */
    }

    /* 隱藏整個系統狀態區 */
    .system-section {
        display: none;
    }

    .core-section {
        margin-left: auto;
        padding: 0;
    }

    .user-section {
        min-width: 150px;
    }
}

/* 3. 小平板 (768-991px) - 只顯示核心功能 */
@media (min-width: 768px) and (max-width: 991px) {
    .header-actions {
        gap: 8px;
        flex-wrap: nowrap;
    }

    .system-section {
        display: none;
    }

    /* 確保核心元素在單行 */
    .core-section {
        padding: 0 12px;
    }

    .user-section {
        padding: 0 8px;
        min-width: 140px;  /* 確保用戶名完整顯示 */
        margin-left: auto;  /* 把用戶資訊推到最右邊 */
    }

    .session-select {
        font-size: 13px;
        max-width: 280px;
    }

    .main-container {
        gap: var(--space-md);
        padding: var(--space-md);
    }

    .result-area {
        font-size: 14px;
    }
}

/* 小螢幕 (手機/小平板) - 最大 768px */
@media (max-width: 768px) {
    .main-container {
        grid-template-columns: 1fr;
        height: auto;
        padding: var(--space-md);  /* 減少間距 */
        gap: var(--space-md);
    }

    .left-panel, .right-panel {
        margin-bottom: 20px;
    }

    .result-area {
        min-height: 300px; /* 改為最小高度，允許擴展 */
        padding: 16px;  /* 減少 padding */
        font-size: 15px;  /* 增大字體提升可讀性 */
    }

    .result-item {
        padding: 10px 12px;  /* 減少項目 padding */
    }

    .empty-state-steps {
        flex-direction: column;
        gap: 12px;
    }

    .step-divider {
        transform: rotate(90deg);
    }

    .results-header {
        flex-wrap: wrap;
        gap: 8px;
    }

    .results-title-row {
        width: 100%;
    }

    .display-controls {
        width: 100%;
    }

    .display-mode-selector label {
        font-size: 12px;
    }

    .display-mode-select {
        font-size: 12px;
        padding: 4px 8px;
    }
}

/* 載入動畫 */
@keyframes loading {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-border);
    border-top: 2px solid var(--color-brand);
    border-radius: 50%;
    animation: loading 1s linear infinite;
    margin-right: 8px;
}

/* 成功/錯誤消息 */
.success-message {
    color: var(--color-success);
    font-weight: 600;
}

.error-message {
    color: var(--color-error);
    font-weight: 600;
}

/* 隱藏元素 */
.hidden {
    display: none;
}

/* 高亮效果 */
.highlight {
    background: rgba(var(--brand-rgb), 0.2);
    border-radius: var(--radius-xs);
    padding: 2px 4px;
}

.transcription-item {
    display: flex;
    align-items: baseline;
    margin-bottom: 12px;
    padding: 12px 16px;
    background: rgba(var(--overlay-rgb), 0.05);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast) ease;
}

.transcription-item:hover {
    background: rgba(var(--overlay-rgb), 0.08);
}

.transcription-text {
    flex: 1;
    line-height: 1.5;
}

.transcription-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    flex-shrink: 0;
}

/* ===== 詞庫管理樣式 ===== */

/* 詞庫管理區域 */
.vocabulary-section {
    margin-bottom: 16px;
}

/* Inside collapsible section — no nested card */
.section-content .vocabulary-section {
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 0;
}

.btn.small {
    padding: 8px 16px;
    font-size: 12px;
    margin: 0;
}

.vocab-status {
    display: flex;
    align-items: center;
    margin: 8px 0;
    font-size: 14px;
    color: var(--color-text-secondary);
}

.vocab-indicator {
    margin-right: 8px;
    font-size: 16px;
}

.vocab-quick-stats {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

/* Override JS-injected inline colors */
.vocab-quick-stats div,
.vocab-quick-stats span {
    color: inherit !important;
    font-size: inherit !important;
}

/* 補充文件上傳按鈕 */
.vocab-upload-area {
    margin-top: var(--space-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.btn-vocab-upload {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    width: 100%;
    padding: 10px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: transparent;
    border: 1px dashed rgba(var(--overlay-rgb), 0.2);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-vocab-upload .lucide {
    width: 14px;
    height: 14px;
}

.btn-vocab-upload:hover {
    color: var(--color-brand);
    border-color: var(--color-brand);
    background: rgba(var(--brand-rgb), 0.05);
}

/* 詞彙預覽對話框 */
.vocab-preview-overlay {
    position: fixed;
    inset: 0;
    background: rgba(var(--shadow-rgb), 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    animation: fadeIn var(--transition-fast) ease-out;
}

.vocab-preview-dialog {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

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

.vocab-preview-header h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.vocab-preview-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.vocab-preview-close:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.vocab-preview-body {
    flex: 1;
    padding: var(--space-lg) var(--space-xl);
    overflow-y: auto;
}

.vocab-preview-summary {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.vocab-preview-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-height: 300px;
    overflow-y: auto;
}

.vocab-preview-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
}

.vocab-preview-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-brand);
}

.vocab-preview-phrase {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
}

.vocab-preview-translation {
    font-size: 13px;
    color: var(--color-text-secondary);
}

.vocab-preview-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-xl);
    border-top: 1px solid var(--color-border);
}

/* 補充文件上傳進度 */
.vocab-upload-progress {
    position: fixed;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
}

.vocab-upload-progress-inner {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-xl);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.vocab-upload-progress-inner .lucide {
    width: 20px;
    height: 20px;
}

.vocab-upload-progress-text {
    font-size: 14px;
    min-width: 100px;
}

.vocab-upload-progress-bar {
    width: 150px;
    height: 6px;
    background: var(--color-bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.vocab-upload-progress-fill {
    height: 100%;
    background: var(--color-brand);
    border-radius: 3px;
    transition: width var(--transition-normal) ease-out;
    width: 0;
}

/* 模態對話框 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(var(--shadow-rgb), 0.8);
    backdrop-filter: blur(10px);
    justify-content: center;
    align-items: center;
}

/* 巢狀對話框層級管理 */
.modal-overlay {
    display: flex;
    position: fixed;
    z-index: 2000; /* 高於主對話框 */
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(var(--shadow-rgb), 0.5);
    justify-content: center;
    align-items: center;
    pointer-events: auto; /* 確保可以接收點擊事件 */
}

.modal-dialog {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    padding: 20px;
    z-index: 2001; /* 確保對話框內容在最上層 */
    position: relative;
    pointer-events: auto; /* 確保內容可以接收點擊事件 */
}

/* 確保巢狀對話框的按鈕能正確接收點擊事件 */
.modal-overlay .modal-dialog .btn,
.modal-overlay .modal-dialog button {
    position: relative;
    z-index: 2002;
    pointer-events: auto;
}

.modal-content {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn var(--transition-normal) ease;
    max-height: 90vh;
    overflow-y: auto;
}

.vocabulary-modal {
    width: 90%;
    max-width: 1000px;
    min-height: 600px;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 模態頭部 */
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 24px 0 24px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 24px;
}

.modal-header h2 {
    font-size: 24px;
    font-weight: 700;
    margin: 0;
    color: var(--color-text-primary);
}

.close-btn {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all var(--transition-normal) ease;
}

.close-btn:hover {
    background: var(--color-border);
    color: var(--color-text-primary);
}

/* 模態主體 */
.modal-body {
    padding: 0 24px 24px 24px;
}

/* 詞庫統計區域 */
.vocab-stats-section {
    margin-bottom: 24px;
}

.vocab-stats-section h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--color-text-primary);
}

.vocab-stats {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
}

.stat-item {
    text-align: center;
    padding: 16px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.stat-icon {
    font-size: 24px;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-brand);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.stats-loading {
    text-align: center;
    color: var(--color-text-secondary);
    padding: 20px;
}

/* 詞庫選項卡 */
.vocab-tabs-section {
    margin-bottom: 24px;
}

.vocab-tabs-section h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--color-text-primary);
}

.vocab-tabs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 12px;
}

.vocab-tab {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
    text-align: center;
}

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

.vocab-tab.active {
    border-color: var(--color-brand);
    background: rgba(var(--brand-rgb), 0.2);
}

.tab-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text-primary);
}

.tab-description {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.tab-count {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-brand);
}

/* 詞庫工具欄 */
.vocab-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding: 16px;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    gap: 16px;
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.toolbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-input {
    background: var(--color-border);
    border: 1px solid var(--color-border-hover);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    color: var(--color-text-primary);
    font-size: 14px;
    font-family: inherit;
    width: 200px;
    transition: all var(--transition-normal) ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--color-brand);
    background: var(--color-bg-secondary);
}

.search-input::placeholder {
    color: var(--color-text-secondary);
}

.category-filter {
    background: var(--color-border);
    border: 1px solid var(--color-border-hover);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    color: var(--color-text-primary);
    font-size: 14px;
    font-family: inherit;
    cursor: pointer;
    min-width: 150px;
}

.category-filter:focus {
    outline: none;
    border-color: var(--color-brand);
}

/* 詞庫內容區域 */
.vocab-content-section {
    min-height: 300px;
}

.vocab-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--color-text-secondary);
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-border);
    border-top: 3px solid var(--color-brand);
    border-radius: 50%;
    animation: loading 1s linear infinite;
    margin-bottom: 16px;
}

.vocab-content {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px;
    min-height: 300px;
}

.vocab-empty {
    text-align: center;
    color: var(--color-text-secondary);
    padding: 40px;
    font-size: 16px;
}

/* 詞彙網格 */
.vocab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 12px;
}

.phrase-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all var(--transition-normal) ease;
    cursor: pointer;
    min-height: 60px;
    position: relative;
}

.phrase-card:hover {
    border-color: var(--color-brand);
    background: rgba(var(--brand-rgb), 0.1);
    transform: translateY(-2px);
}

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

.phrase-content {
    flex: 1;
    min-width: 0;
}

.phrase-text {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 4px;
    word-wrap: break-word;
}

.phrase-category {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.phrase-actions {
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity var(--transition-normal) ease;
}

.phrase-card:hover .phrase-actions {
    opacity: 1;
}

.action-btn {
    background: none;
    border: none;
    padding: 4px;
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: all var(--transition-normal) ease;
    font-size: 14px;
}

.action-btn:hover {
    background: var(--color-border);
}

.edit-btn:hover {
    background: rgba(var(--warning-rgb), 0.2);
}

.delete-btn:hover {
    background: rgba(var(--error-rgb), 0.2);
}

/* 模態底部 */
.modal-footer {
    padding: 24px;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Toast 通知 */
.toast {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: 2000;
    background: var(--toast-bg);
    border: 1px solid var(--toast-border);
    border-radius: var(--radius-sm);
    padding: var(--space-md);
    min-width: 300px;
    box-shadow: var(--toast-shadow);
    animation: toastSlideIn var(--transition-normal) ease;
}

.toast-success {
    border-left: 4px solid var(--color-success);
}

.toast-error {
    border-left: 4px solid var(--color-error);
}

.toast-info {
    border-left: 4px solid var(--color-brand);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.toast-icon {
    display: flex;
    flex-shrink: 0;
}

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

.toast-message {
    color: var(--color-text-primary);
    font-size: 14px;
    flex: 1;
}

.toast.fade-out {
    animation: toastSlideOut var(--transition-normal) ease forwards;
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toastSlideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100px);
    }
}

/* 響應式設計 - 詞庫管理 */
@media (max-width: 768px) {
    .vocabulary-modal {
        width: 95%;
        margin: 20px;
        max-height: 85vh;
    }
    
    .vocab-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    
    .toolbar-left {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-input {
        width: 100%;
    }
    
    .vocab-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .vocab-tabs {
        grid-template-columns: 1fr;
    }
}

/* 結果文本內容樣式 */
.result-text {
    font-size: 14px;
    line-height: 1.5;
    margin-top: 4px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.result-item.final .result-text {
    font-weight: 600;
}

.result-item.translation .result-text {
    font-style: italic;
}

.result-item.interim .result-text {
    opacity: 0.9;
}

/* Status indicator styles */
.status {
    margin: 1rem 0;
    padding: 1rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    transition: all var(--transition-normal) ease;
}

.status.ready {
    background: rgba(var(--success-rgb), 0.1);
    color: var(--color-success);
    border: 2px solid var(--color-success);
}

.status.processing {
    background: rgba(var(--brand-rgb), 0.1);
    color: var(--color-brand);
    border: 2px solid var(--color-brand);
    animation: pulse 2s infinite;
}

.status.warning {
    background: rgba(var(--warning-rgb), 0.1);
    color: var(--color-warning);
    border: 2px solid var(--color-warning);
    animation: pulse 1.5s infinite;
}

.status.error {
    background: rgba(var(--error-rgb), 0.1);
    color: var(--color-error);
    border: 2px solid var(--color-error);
}


/* (fadeIn keyframes — consolidated to single definition above) */

/* 為轉錄結果區域添加即時更新樣式 */
.transcription-result {
    transition: all var(--transition-fast) ease;
}

/* 確保滾動條總是顯示 */
#transcriptionResult {
    overflow-y: scroll !important;
    scroll-behavior: smooth;
}

/* 中間結果的樣式 - 同行更新效果 */
.interim-line {
    opacity: 0.7 !important;
    font-style: italic !important;
    transition: all var(--transition-normal) ease;
    background-color: transparent;
}

/* 最終結果的樣式 */
.final-result {
    font-weight: bold !important;
    opacity: 1 !important;
    animation: finalizeText 0.3s ease-in;
}

/* 翻譯結果的樣式 */
.translation-result {
    background-color: var(--color-bg-secondary) !important;
    border-left: 4px solid var(--color-warning) !important;
    padding-left: 10px !important;
    margin-left: 20px !important;
    margin-top: 2px !important;
    border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
}

/* 最終化動畫 */
@keyframes finalizeText {
    from {
        opacity: 0.7;
        font-style: italic;
        background-color: transparent;
    }
    to {
        opacity: 1;
        font-style: normal;
        background-color: transparent;
    }
}

/* 轉錄結果容器的改進 */
#transcriptionResult {
    overflow-y: auto !important;
    scroll-behavior: smooth !important;
    max-height: 400px;
    padding: 10px;
}

/* 每一行轉錄結果的基本樣式 */
.transcription-line {
    margin-bottom: 2px;
    word-wrap: break-word;
    line-height: 1.4;
}