/**
 * VoiceTube LiveTranslate - 音訊擷取引導樣式
 * 提供優雅的使用者引導介面
 */

/* 引導 Modal */
.capture-guide-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.capture-guide-modal.show {
    opacity: 1;
    visibility: visible;
}

.guide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.guide-content {
    position: relative;
    background: var(--color-bg-secondary, #2C2C2E);
    border-radius: var(--radius-lg, 16px);
    padding: var(--space-xl, 32px);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.capture-guide-modal.show .guide-content {
    transform: scale(1);
}

/* 關閉按鈕 */
.guide-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-secondary, #8E8E93);
    border-radius: 50%;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    transition: all 0.2s ease;
}

.guide-close:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-text-primary, #FFFFFF);
    transform: rotate(90deg);
}

/* 標題區域 */
.guide-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--color-text-primary, #FFFFFF);
    display: flex;
    align-items: center;
    gap: 12px;
}

.guide-icon {
    font-size: 32px;
    animation: pulse 2s infinite;
}

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

.guide-description {
    color: var(--color-text-secondary, #8E8E93);
    margin-bottom: 32px;
    line-height: 1.6;
}

/* 步驟區域 */
.guide-steps {
    margin: 32px 0;
}

.guide-step {
    display: flex;
    align-items: flex-start;
    margin: 24px 0;
    padding: 20px;
    background: var(--color-bg-tertiary, #3A3A3C);
    border-radius: var(--radius-md, 12px);
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.guide-step:hover {
    transform: translateX(4px);
    border-color: var(--color-border-hover, #48484A);
}

.guide-step.critical {
    background: rgba(255, 149, 0, 0.1);
    border-color: var(--color-warning, #FF9500);
    animation: highlight 2s infinite;
}

@keyframes highlight {
    0%, 100% { 
        box-shadow: 0 0 0 0 rgba(255, 149, 0, 0);
    }
    50% { 
        box-shadow: 0 0 20px 5px rgba(255, 149, 0, 0.3);
    }
}

.step-number {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-brand, #007AFF);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
    margin-right: 16px;
}

.guide-step.critical .step-number {
    background: var(--color-warning, #FF9500);
}

.step-content {
    flex: 1;
}

.step-content h3 {
    color: var(--color-text-primary, #FFFFFF);
    margin-bottom: 8px;
    font-size: 16px;
    font-weight: 600;
}

.step-content p {
    color: var(--color-text-secondary, #8E8E93);
    line-height: 1.5;
    margin: 0;
}

.step-content strong {
    color: var(--color-text-primary, #FFFFFF);
    font-weight: 600;
}

.step-tip {
    margin-top: 12px;
    padding: 8px 12px;
    background: rgba(0, 122, 255, 0.1);
    border-radius: var(--radius-sm, 8px);
    font-size: 14px;
    color: var(--color-brand, #007AFF);
}

.important {
    color: var(--color-warning, #FF9500) !important;
}

/* 示範 Checkbox */
.checkbox-demo {
    margin-top: 12px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm, 8px);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.checkbox-demo input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: not-allowed;
}

.checkbox-demo label {
    color: var(--color-text-primary, #FFFFFF);
    font-weight: 500;
}

/* 按鈕區域 */
.guide-actions {
    display: flex;
    gap: 12px;
    margin-top: 32px;
}

.btn-primary, .btn-secondary {
    flex: 1;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-md, 12px);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: var(--color-brand, #007AFF);
    color: white;
}

.btn-primary:hover {
    background: var(--color-brand-dark, #0051D0);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.btn-secondary {
    background: var(--color-bg-tertiary, #3A3A3C);
    color: var(--color-text-primary, #FFFFFF);
}

.btn-secondary:hover {
    background: var(--color-border-hover, #48484A);
}

.btn-icon {
    font-size: 20px;
}

/* 底部選項 */
.guide-footer {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border, #3A3A3C);
}

.remember-choice {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-secondary, #8E8E93);
    font-size: 14px;
    cursor: pointer;
}

.remember-choice input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* 擷取狀態指示器 */
.capture-indicator {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--color-bg-secondary, #2C2C2E);
    border-radius: var(--radius-md, 12px);
    padding: 12px 20px;
    box-shadow: var(--shadow-lg, 0 8px 32px rgba(0, 0, 0, 0.4));
    z-index: 9999;
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.3s ease;
}

.capture-indicator.show {
    opacity: 1;
    transform: translateY(0);
}

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

.indicator-icon {
    font-size: 12px;
    animation: blink 1.5s infinite;
}

.indicator-icon.recording {
    color: var(--color-error, #FF3B30);
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.indicator-text {
    color: var(--color-text-primary, #FFFFFF);
    font-size: 14px;
    font-weight: 500;
}

.indicator-stop {
    background: rgba(255, 59, 48, 0.2);
    border: none;
    border-radius: var(--radius-sm, 8px);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.indicator-stop:hover {
    background: rgba(255, 59, 48, 0.3);
    transform: scale(1.1);
}

.indicator-stop svg {
    color: var(--color-error, #FF3B30);
}

/* 錯誤提示 */
.error-toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: var(--color-error, #FF3B30);
    color: white;
    border-radius: var(--radius-md, 12px);
    padding: 16px 24px;
    box-shadow: var(--shadow-lg, 0 8px 32px rgba(0, 0, 0, 0.4));
    z-index: 10001;
    opacity: 0;
    transition: all 0.3s ease;
}

.error-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

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

.toast-icon {
    font-size: 20px;
}

.toast-message {
    font-size: 14px;
    font-weight: 500;
}

/* 混音控制面板 */
.audio-mode-selector {
    background: var(--color-bg-tertiary, #3A3A3C);
    border-radius: var(--radius-md, 12px);
    padding: 20px;
    margin: 20px 0;
}

.audio-mode-selector h4 {
    color: var(--color-text-primary, #FFFFFF);
    margin-bottom: 16px;
    font-size: 16px;
    font-weight: 600;
}

.mode-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.mode-tab {
    flex: 1;
    padding: 10px 16px;
    background: var(--color-bg-secondary, #2C2C2E);
    border: 2px solid transparent;
    border-radius: var(--radius-sm, 8px);
    color: var(--color-text-secondary, #8E8E93);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.mode-tab:hover {
    background: var(--color-bg-tertiary, #3A3A3C);
}

.mode-tab.active {
    background: var(--color-brand, #007AFF);
    color: white;
    border-color: var(--color-brand, #007AFF);
}

/* 混合模式控制 */
.hybrid-controls {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.source-status {
    display: flex;
    gap: 24px;
    padding: 16px;
    background: var(--color-bg-secondary, #2C2C2E);
    border-radius: var(--radius-sm, 8px);
    margin-bottom: 20px;
}

.source-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.source-icon {
    font-size: 20px;
}

.source-name {
    color: var(--color-text-primary, #FFFFFF);
    font-size: 14px;
    font-weight: 500;
}

.source-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 12px;
    background: rgba(142, 142, 147, 0.2);
    transition: all 0.3s ease;
}

.source-indicator .status-icon {
    font-size: 14px;
    transition: all 0.3s ease;
}

.source-indicator .status-text {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-secondary, #8E8E93);
    transition: all 0.3s ease;
}

/* 已連接狀態 */
.source-indicator.active {
    background: rgba(52, 199, 89, 0.2);
    border: 1px solid rgba(52, 199, 89, 0.3);
}

.source-indicator.active .status-icon {
    color: var(--color-success, #34C759);
    animation: pulse 2s infinite;
}

.source-indicator.active .status-text {
    color: var(--color-success, #34C759);
    font-weight: 600;
}

/* 未連接狀態 */
.source-indicator:not(.active) {
    background: rgba(142, 142, 147, 0.1);
    border: 1px solid rgba(142, 142, 147, 0.2);
}

.source-indicator:not(.active) .status-icon {
    color: var(--color-text-secondary, #8E8E93);
    opacity: 0.6;
}

.source-indicator:not(.active) .status-text {
    color: var(--color-text-secondary, #8E8E93);
    opacity: 0.8;
}

/* 按鈕化樣式（可點擊狀態） */
.source-indicator {
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.source-indicator:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.source-indicator:not(:disabled):hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 199, 89, 0.3);
}

.source-indicator:not(:disabled):active {
    transform: translateY(0);
}

/* 已靜音狀態 */
.source-indicator.muted {
    background: rgba(255, 159, 10, 0.2);
    border-color: rgba(255, 159, 10, 0.3);
}

.source-indicator.muted .status-icon {
    color: var(--color-warning, #FF9F0A);
}

.source-indicator.muted .status-text {
    color: var(--color-warning, #FF9F0A);
    text-decoration: line-through;
    font-weight: 600;
}

.source-indicator.muted:not(:disabled):hover {
    box-shadow: 0 4px 12px rgba(255, 159, 10, 0.3);
}

/* 操作按鈕區 */
.hybrid-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border, #3A3A3C);
}

.btn-link {
    background: transparent;
    color: var(--color-brand, #007AFF);
    border: none;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-link:hover {
    text-decoration: underline;
    opacity: 0.8;
}

/* 音量控制 */
.volume-controls {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 20px;
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 16px;
}

.volume-control label {
    min-width: 100px;
    color: var(--color-text-secondary, #8E8E93);
    font-size: 14px;
}

.volume-control input[type="range"] {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
}

.volume-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-brand, #007AFF);
    cursor: pointer;
    transition: all 0.2s ease;
}

.volume-control input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 8px rgba(0, 122, 255, 0.5);
}

.volume-value {
    min-width: 40px;
    text-align: right;
    color: var(--color-text-primary, #FFFFFF);
    font-size: 14px;
    font-weight: 500;
}

/* 音量指示器 */
.volume-meter {
    width: 60px;
    height: 6px;
    background: var(--color-bg-secondary, #2C2C2E);
    border-radius: 3px;
    overflow: hidden;
    margin-left: 8px;
    position: relative;
}

.volume-level {
    height: 100%;
    background: linear-gradient(90deg, 
        var(--color-success, #34C759) 0%, 
        var(--color-warning, #FF9500) 70%, 
        var(--color-error, #FF3B30) 100%);
    border-radius: 3px;
    width: 0%;
    transition: width 0.1s ease-out;
    box-shadow: 0 0 4px currentColor;
}

/* 音訊活動動畫 */
@keyframes volumePulse {
    0% { opacity: 0.8; }
    50% { opacity: 1; }
    100% { opacity: 0.8; }
}

.volume-level.active {
    animation: volumePulse 0.3s ease-in-out;
}

.source-item {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: nowrap;
}

/* 響應式設計 */
@media (max-width: 480px) {
    .guide-content {
        padding: 24px;
        width: 95%;
    }
    
    .guide-step {
        flex-direction: column;
        text-align: center;
    }
    
    .step-number {
        margin-right: 0;
        margin-bottom: 12px;
    }
    
    .guide-actions {
        flex-direction: column;
    }
    
    .mode-tabs {
        flex-direction: column;
    }
    
    .source-status {
        flex-direction: column;
        gap: 12px;
    }
}

/* 中等螢幕的響應式設計 */
@media (min-width: 481px) and (max-width: 768px) {
    .mode-tabs {
        flex-wrap: nowrap;
        gap: 4px;
    }
    
    .mode-tab {
        min-width: 0;
        padding: 8px 12px;
        font-size: 13px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}