/**
 * Subtitle Maker - 样式表
 * 与 Token Monitor 保持一致的深色主题
 */

/* ===================================
   CSS 变量
   =================================== */
:root {
    /* 深色模式（默认） */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --bg-hover: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --accent-primary: #3b82f6;
    --accent-secondary: #6366f1;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    --border-color: #334155;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
}

/* 浅色模式 */
[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-hover: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* ===================================
   基础样式
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    padding-bottom: 300px; /* 为日志面板留出空间 */
}

/* ===================================
   头部
   =================================== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.back-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: opacity 0.3s ease;
}

.back-link:hover {
    opacity: 0.8;
}

.header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.theme-toggle {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.theme-toggle:hover {
    background: var(--bg-hover);
    transform: scale(1.05);
}

/* ===================================
   步骤导航
   =================================== */
.steps-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
    padding: 20px;
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0.5;
    transition: all 0.3s ease;
}

.step.active {
    opacity: 1;
}

.step.completed {
    opacity: 0.8;
}

.step.completed .step-number {
    background: var(--accent-success);
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.step.active .step-number {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
}

.step-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.step.active .step-label {
    color: var(--text-primary);
    font-weight: 500;
}

.step-connector {
    width: 40px;
    height: 2px;
    background: var(--bg-hover);
    border-radius: 1px;
}

@media (max-width: 768px) {
    .steps-nav {
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .step-connector {
        display: none;
    }
}

/* ===================================
   步骤面板
   =================================== */
.step-panel {
    display: none;
    animation: fadeIn 0.4s ease;
}

.step-panel.active {
    display: block;
}

.panel-header {
    margin-bottom: 24px;
}

.panel-header h2 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.panel-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===================================
   上传区域
   =================================== */
.upload-area {
    background: var(--bg-card);
    border: 2px dashed var(--border-color);
    border-radius: 16px;
    padding: 60px 40px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.05);
}

.upload-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.upload-text {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 1rem;
}

.upload-preview {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.file-info {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.file-icon {
    font-size: 2.5rem;
}

.file-details {
    flex: 1;
}

.file-name {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.file-size {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.audio-player {
    width: 100%;
    margin-bottom: 20px;
    border-radius: 8px;
}

.upload-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* ===================================
   按钮样式
   =================================== */
.btn-primary,
.btn-secondary,
.btn-success {
    padding: 12px 28px;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

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

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

.btn-success {
    background: linear-gradient(135deg, var(--accent-success), #059669);
    color: white;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.btn-text {
    background: transparent;
    border: none;
    color: var(--accent-primary);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 4px 8px;
    transition: opacity 0.3s ease;
}

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

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px 8px;
    transition: color 0.3s ease;
}

.btn-icon:hover {
    color: var(--text-primary);
}

.btn-icon-small {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-hover);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

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

.btn-icon-small.delete:hover {
    background: var(--accent-danger);
    border-color: var(--accent-danger);
}

/* ===================================
   进度条
   =================================== */
.progress-container {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--shadow);
    text-align: center;
}

.progress-status {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: var(--bg-hover);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 12px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 6px;
    transition: width 0.3s ease;
}

.progress-percent {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.language-selector {
    margin-top: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.language-selector label {
    color: var(--text-secondary);
}

.language-selector select {
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.95rem;
}

/* ===================================
   字幕编辑器
   =================================== */
.subtitle-editor {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

@media (max-width: 768px) {
    .subtitle-editor {
        grid-template-columns: 1fr;
    }
}

.style-panel {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow);
    height: fit-content;
}

.style-panel h3 {
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.style-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.style-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.style-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.style-group input[type="text"],
.style-group select {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.style-group input[type="range"] {
    width: 100%;
}

.style-group input[type="color"] {
    width: 100%;
    height: 40px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    cursor: pointer;
}

.background-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.9rem;
}

.radio-option input {
    cursor: pointer;
}

.bg-color-picker {
    margin-top: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* 字幕列表 */
.subtitle-list-container {
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.list-header h3 {
    font-size: 1rem;
}

.list-actions {
    display: flex;
    gap: 12px;
}

.subtitle-list {
    max-height: 500px;
    overflow-y: auto;
    padding: 12px;
}

.subtitle-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    background: var(--bg-primary);
    border-radius: 10px;
    margin-bottom: 8px;
    transition: background 0.3s ease;
}

.subtitle-item:hover {
    background: var(--bg-hover);
}

.subtitle-number {
    width: 32px;
    height: 32px;
    background: var(--accent-primary);
    color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 600;
    flex-shrink: 0;
}

.subtitle-time {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.time-input {
    width: 70px;
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.8rem;
    text-align: center;
}

.subtitle-text {
    flex: 1;
}

.subtitle-text textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
    resize: vertical;
    min-height: 50px;
}

.subtitle-text textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.subtitle-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.empty-subtitle {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

/* ===================================
   编辑器操作按钮
   =================================== */
.editor-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ===================================
   结果展示
   =================================== */
.result-container {
    text-align: center;
    padding: 40px 20px;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.result-container h3 {
    font-size: 1.4rem;
    margin-bottom: 24px;
}

.result-video {
    width: 100%;
    max-width: 800px;
    border-radius: 12px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-lg);
}

.result-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ===================================
   日志面板
   =================================== */
.log-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    transition: transform 0.3s ease;
}

.log-panel.collapsed {
    transform: translateY(calc(100% - 50px));
}

.log-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: var(--bg-hover);
    font-weight: 600;
}

.log-content {
    height: 200px;
    overflow-y: auto;
    padding: 12px 20px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
}

.log-entry {
    padding: 4px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.log-entry.error {
    color: var(--accent-danger);
}

.log-entry.warning {
    color: var(--accent-warning);
}

.log-time {
    color: var(--text-secondary);
    margin-right: 8px;
}

/* ===================================
   页脚
   =================================== */
.footer {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 40px;
}

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

/* ===================================
   响应式设计
   =================================== */
@media (max-width: 768px) {
    .container {
        padding: 15px;
        padding-bottom: 250px;
    }
    
    .header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .header h1 {
        font-size: 1.5rem;
    }
    
    .upload-area {
        padding: 40px 20px;
    }
    
    .editor-actions {
        flex-direction: column;
    }
    
    .editor-actions .btn-primary,
    .editor-actions .btn-secondary,
    .editor-actions .btn-success {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .subtitle-item {
        flex-wrap: wrap;
    }
    
    .subtitle-actions {
        width: 100%;
        justify-content: flex-end;
    }
}