/* ============================================
   官网提示词模板引擎 - 样式系统
   ============================================ */

/* CSS变量 - 深色主题（默认） */
:root {
    /* 主色调 - 渐变蓝紫 */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-color: #667eea;
    --primary-dark: #5a67d8;
    --secondary-color: #764ba2;

    /* 背景色 */
    --bg-dark: #0f0f23;
    --bg-card: rgba(30, 30, 60, 0.8);
    --bg-card-hover: rgba(40, 40, 80, 0.9);
    --bg-glass: rgba(255, 255, 255, 0.05);

    /* 文字色 */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);

    /* 边框和阴影 */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-glow: rgba(102, 126, 234, 0.5);
    --shadow-glow: 0 0 30px rgba(102, 126, 234, 0.3);

    /* 成功/警告色 */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;

    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* 浅色主题 */
[data-theme="light"] {
    /* 主色调保持不变 */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-color: #667eea;
    --primary-dark: #5a67d8;
    --secondary-color: #764ba2;

    /* 背景色 - 浅色 */
    --bg-dark: #f5f7fa;
    --bg-card: rgba(255, 255, 255, 0.95);
    --bg-card-hover: rgba(255, 255, 255, 1);
    --bg-glass: rgba(102, 126, 234, 0.05);

    /* 文字色 - 深色 */
    --text-primary: #1a1a2e;
    --text-secondary: rgba(26, 26, 46, 0.75);
    --text-muted: rgba(26, 26, 46, 0.5);

    /* 边框和阴影 - 浅色 */
    --border-color: rgba(0, 0, 0, 0.1);
    --border-glow: rgba(102, 126, 234, 0.3);
    --shadow-glow: 0 0 30px rgba(102, 126, 234, 0.15);
}

/* 重置样式 */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* 基础样式 */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* 背景装饰 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(118, 75, 162, 0.15) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* 应用容器 */
.app-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================
   头部
   ============================================ */
.header {
    text-align: center;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.logo-icon {
    font-size: 2.5rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ============================================
   产品类型切换器
   ============================================ */
.product-switcher {
    display: flex;
    gap: 0.5rem;
    margin: 1rem auto 0;
    padding: 0.25rem;
    background: var(--bg-glass);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 400px;
}

.product-btn {
    flex: 1;
    min-width: 120px;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.product-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.product-btn.active {
    background: var(--primary-gradient);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

/* PPT专属颜色 */
.product-btn[data-product="ppt"].active {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

/* ============================================
   步骤指示器
   ============================================ */
.step-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: var(--spacing-md) 0;
    margin-bottom: var(--spacing-lg);
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    opacity: 0.5;
    transition: var(--transition-normal);
}

.step.active {
    opacity: 1;
}

.step.completed {
    opacity: 1;
}

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

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    transition: var(--transition-normal);
}

.step.active .step-number {
    background: var(--primary-gradient);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

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

.step-line {
    width: 60px;
    height: 2px;
    background: var(--border-color);
    margin: 0 var(--spacing-xs);
    margin-bottom: 24px;
}

/* ============================================
   主内容区
   ============================================ */
.main-content {
    flex: 1;
    position: relative;
}

.step-content {
    display: none;
    animation: fadeIn 0.4s ease;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.section-header p {
    color: var(--text-secondary);
}

/* ============================================
   行业选择网格
   ============================================ */
.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.industry-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
}

.industry-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.industry-card.selected {
    background: var(--primary-gradient);
    border-color: transparent;
}

.industry-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
    display: block;
}

.industry-name {
    font-size: 0.95rem;
    font-weight: 500;
}

/* 自定义输入 */
.custom-input-wrapper {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.custom-input-wrapper label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.input-group {
    display: flex;
    gap: var(--spacing-sm);
}

.input-group input {
    flex: 1;
}

/* ============================================
   表单样式
   ============================================ */
input,
textarea,
select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

select {
    cursor: pointer;
}

select option {
    background: var(--bg-dark);
    color: var(--text-primary);
}

.form-section {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-section h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-color);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-secondary);
}

.required {
    color: var(--error-color);
}

/* ============================================
   结构预览
   ============================================ */
.structure-preview {
    display: grid;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.structure-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    transition: var(--transition-fast);
}

.structure-item:hover {
    border-color: var(--primary-color);
}

.structure-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.structure-info h4 {
    margin-bottom: 4px;
}

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

.structure-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: var(--spacing-xs);
}

.structure-tag {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ============================================
   提示词结果
   ============================================ */
.prompt-result {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.prompt-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-glass);
    border-bottom: 1px solid var(--border-color);
}

.prompt-badge {
    background: var(--primary-gradient);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.prompt-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.prompt-content {
    padding: var(--spacing-md);
    max-height: 400px;
    overflow-y: auto;
    white-space: pre-wrap;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* ============================================
   按钮
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

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

.btn-icon {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
}

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

.btn-group {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* ============================================
   页脚
   ============================================ */
.footer {
    text-align: center;
    padding: var(--spacing-lg) 0;
    margin-top: auto;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ============================================
   Toast提示
   ============================================ */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--success-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 500;
    opacity: 0;
    transition: var(--transition-normal);
    z-index: 1000;
}

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

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 768px) {
    .app-container {
        padding: var(--spacing-sm);
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .step-indicator {
        flex-wrap: nowrap;
        overflow-x: auto;
        justify-content: flex-start;
        padding: var(--spacing-sm);
    }

    .step-line {
        width: 30px;
    }

    .step-label {
        font-size: 0.75rem;
    }

    .industry-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .input-group {
        flex-direction: column;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .btn-group {
        flex-direction: column;
    }

    .btn-group .btn {
        width: 100%;
    }

    .prompt-header {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

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

/* ============================================
   Pro 模式样式
   ============================================ */

/* Pro 徽章 */
.pro-badge {
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 0.8em;
    font-weight: 700;
}

.pro-tag {
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-left: 8px;
    vertical-align: middle;
}

/* 模式切换器 */
.mode-switcher {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.mode-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.mode-btn.active {
    background: var(--primary-gradient);
    border-color: transparent;
    color: white;
}

/* Pro步骤隐藏（快速模式下） */
.step-indicator.simple-mode .pro-step {
    display: none;
}

/* Pro功能区块 */
.pro-feature {
    position: relative;
}

.pro-feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid transparent;
    border-image: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%) 1;
    border-radius: var(--radius-md);
    pointer-events: none;
    opacity: 0.3;
}

/* 辅助文本 */
.helper-text {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-md);
}

/* Section配置列表 */
.sections-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.section-config-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
}

.section-config-header {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.section-config-header input {
    flex: 1;
}

.section-config-header .btn-remove {
    width: 36px;
    height: 36px;
    padding: 0;
    flex-shrink: 0;
    background: rgba(239, 68, 68, 0.2);
    border-color: var(--error-color);
    color: var(--error-color);
}

.section-config-header .btn-remove:hover {
    background: var(--error-color);
    color: white;
}

/* Roadmap阶段 */
.phases-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.phase-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
}

.phase-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.phase-label {
    background: var(--primary-gradient);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.phase-header input {
    flex: 1;
}

/* 添加按钮 */
.btn-add {
    width: 100%;
    border-style: dashed;
}

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

/* 响应式Pro模式 */
@media (max-width: 768px) {
    .mode-switcher {
        flex-direction: column;
    }

    .phase-header {
        flex-direction: column;
        align-items: stretch;
    }

    .phase-label {
        text-align: center;
    }

    .storytelling-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   故事结构选择区域
   ============================================ */

.storytelling-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(255, 140, 0, 0.05), rgba(255, 99, 71, 0.05));
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 140, 0, 0.2);
}

.storytelling-section h3 {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.new-tag {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border-radius: 4px;
    text-transform: uppercase;
}

.storytelling-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.story-card {
    padding: 1rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.story-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.story-card.selected {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(99, 102, 241, 0.1));
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.story-card-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.5rem;
}

.story-card-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.story-card-source {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.story-card-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.story-card-suitable {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    justify-content: center;
    margin-top: 0.5rem;
}

.suitable-tag {
    font-size: 0.65rem;
    padding: 0.15rem 0.4rem;
    background: var(--bg-primary);
    color: var(--text-muted);
    border-radius: 3px;
    border: 1px solid var(--border-color);
}

/* 故事结构预览 */
.storytelling-preview {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.storytelling-preview h4 {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.story-sections-flow {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.story-section-item {
    padding: 0.5rem 0.75rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
}

.story-section-arrow {
    color: var(--text-muted);
    font-size: 1.2rem;
}

.story-formula {
    margin-top: 1rem;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1), rgba(255, 152, 0, 0.1));
    border-radius: var(--radius-sm);
    border-left: 3px solid #ffc107;
}

.story-formula-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.story-formula-text {
    font-style: italic;
    color: var(--text-primary);
    line-height: 1.6;
}

/* 响应式故事结构 */
@media (max-width: 1024px) {
    .storytelling-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .storytelling-grid {
        grid-template-columns: 1fr;
    }

    .story-sections-flow {
        flex-direction: column;
        align-items: stretch;
    }

    .story-section-arrow {
        transform: rotate(90deg);
        align-self: center;
    }
}

/* ============================================
   主题切换按钮
   ============================================ */

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: var(--bg-card);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-glow);
}

.theme-toggle:hover {
    transform: scale(1.1);
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
}

.theme-toggle .theme-icon-dark,
.theme-toggle .theme-icon-light {
    position: absolute;
    transition: all var(--transition-fast);
}

/* 深色主题时显示太阳图标（切换到浅色） */
.theme-toggle .theme-icon-light {
    opacity: 1;
    transform: scale(1);
}

.theme-toggle .theme-icon-dark {
    opacity: 0;
    transform: scale(0.5);
}

/* 浅色主题时显示月亮图标（切换到深色） */
[data-theme="light"] .theme-toggle .theme-icon-light {
    opacity: 0;
    transform: scale(0.5);
}

[data-theme="light"] .theme-toggle .theme-icon-dark {
    opacity: 1;
    transform: scale(1);
}

/* ============================================
   浅色主题特殊调整
   ============================================ */

/* 背景装饰 - 浅色 */
[data-theme="light"] body::before {
    background:
        radial-gradient(circle at 20% 20%, rgba(102, 126, 234, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(102, 126, 234, 0.05) 0%, transparent 40%);
}

/* 卡片阴影 - 浅色 */
[data-theme="light"] .industry-card,
[data-theme="light"] .structure-item,
[data-theme="light"] .story-card,
[data-theme="light"] .mode-btn {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .industry-card:hover,
[data-theme="light"] .story-card:hover {
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.2);
}

/* 表单元素 - 浅色 */
[data-theme="light"] input,
[data-theme="light"] textarea,
[data-theme="light"] select {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.15);
    color: var(--text-primary);
}

[data-theme="light"] input:focus,
[data-theme="light"] textarea:focus,
[data-theme="light"] select:focus {
    background: #ffffff;
    border-color: var(--primary-color);
}

[data-theme="light"] input::placeholder,
[data-theme="light"] textarea::placeholder {
    color: rgba(26, 26, 46, 0.4);
}

/* 提示词输出区域 - 浅色 */
[data-theme="light"] .prompt-output {
    background: #1a1a2e;
    color: #e0e0e0;
}

/* Pro标签 - 浅色调整 */
[data-theme="light"] .pro-tag {
    box-shadow: 0 2px 8px rgba(255, 193, 7, 0.3);
}

/* Header - 浅色 */
[data-theme="light"] .app-header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

/* 步骤指示器 - 浅色 */
[data-theme="light"] .step::before {
    background: var(--bg-card);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 响应式主题切换按钮 */
@media (max-width: 768px) {
    .theme-toggle {
        top: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}

/* ============================================
   移动端响应式适配
   ============================================ */

/* 平板及以下（小于1024px） */
@media (max-width: 1024px) {
    .container {
        padding: 0 1rem;
        max-width: 100%;
    }

    .industry-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .storytelling-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 手机横屏及以下（小于768px） */
@media (max-width: 768px) {

    /* 容器调整 */
    .app-container {
        padding: 0.5rem;
    }

    .container {
        padding: 0 0.75rem;
    }

    /* 头部调整 */
    .header {
        padding: 1rem 0.75rem;
        text-align: center;
    }

    .header h1 {
        font-size: 1.5rem;
    }

    .logo {
        flex-direction: column;
        gap: 0.5rem;
    }

    .tagline {
        font-size: 0.9rem;
    }

    /* 模式切换按钮 */
    .mode-switcher {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
        margin-top: 1rem;
    }

    .mode-btn {
        width: 100%;
        justify-content: center;
        padding: 0.75rem 1rem;
    }

    /* 步骤指示器 */
    .step-indicator {
        padding: 0.75rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .steps {
        gap: 0.5rem;
        min-width: max-content;
    }

    .step {
        font-size: 0.8rem;
        padding: 0.5rem 0.75rem;
        white-space: nowrap;
    }

    .step::before {
        width: 24px;
        height: 24px;
        font-size: 0.75rem;
    }

    /* 隐藏非当前步骤的文字，只显示数字 */
    .step:not(.active) span {
        display: none;
    }

    .step.active {
        padding: 0.5rem 1rem;
    }

    /* 步骤内容区域 */
    .step-content {
        padding: 1rem;
    }

    .step-content h2 {
        font-size: 1.25rem;
        margin-bottom: 0.75rem;
    }

    /* 行业卡片网格 */
    .industry-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .industry-card {
        padding: 1rem;
    }

    .industry-card-icon {
        font-size: 2rem;
    }

    .industry-card-name {
        font-size: 0.9rem;
    }

    .industry-card-desc {
        font-size: 0.75rem;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    /* 故事结构卡片 */
    .storytelling-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .story-card {
        padding: 0.75rem;
    }

    /* 表单样式 */
    .form-group {
        margin-bottom: 1rem;
    }

    .form-group label {
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
    }

    input,
    textarea,
    select {
        padding: 0.75rem;
        font-size: 1rem;
    }

    textarea {
        min-height: 100px;
    }

    /* 按钮组 */
    .btn-group {
        flex-direction: column;
        gap: 0.75rem;
    }

    .btn {
        width: 100%;
        justify-content: center;
        padding: 0.875rem 1.5rem;
    }

    /* 结构预览 */
    .structure-preview {
        gap: 0.75rem;
    }

    .structure-item {
        padding: 0.75rem;
    }

    .structure-tags {
        gap: 0.25rem;
    }

    .structure-tag {
        font-size: 0.7rem;
        padding: 0.2rem 0.4rem;
    }

    /* 提示词输出区域 */
    .prompt-output {
        font-size: 0.85rem;
        padding: 1rem;
        max-height: 300px;
    }

    /* 操作按钮 */
    .output-actions {
        flex-direction: column;
        gap: 0.5rem;
    }

    .output-actions .btn {
        width: 100%;
    }

    /* Pro模式特有 */
    .home-sections-config {
        padding: 1rem;
    }

    .section-item {
        padding: 0.75rem;
    }

    /* 自定义行业输入 */
    .custom-industry-input {
        flex-direction: column;
        gap: 0.5rem;
    }

    .custom-industry-input input {
        width: 100%;
    }

    .custom-industry-input .btn {
        width: 100%;
    }
}

/* 手机竖屏（小于480px） */
@media (max-width: 480px) {

    /* 进一步缩小 */
    .header h1 {
        font-size: 1.25rem;
    }

    .pro-badge {
        font-size: 0.6rem;
        padding: 0.15rem 0.4rem;
    }

    /* 行业卡片单列 */
    .industry-grid {
        grid-template-columns: 1fr;
    }

    .industry-card {
        flex-direction: row;
        text-align: left;
        gap: 1rem;
    }

    .industry-card-icon {
        font-size: 2.5rem;
        flex-shrink: 0;
    }

    .industry-card-info {
        flex: 1;
    }

    /* 步骤只显示当前步骤 */
    .step:not(.active) {
        display: none;
    }

    .steps {
        justify-content: center;
    }

    .step.active {
        flex: 1;
        justify-content: center;
    }

    /* 更小的间距 */
    .step-content {
        padding: 0.75rem;
    }

    .step-content h2 {
        font-size: 1.1rem;
    }

    /* 故事结构流程纵向显示 */
    .story-sections-flow {
        flex-direction: column;
        align-items: stretch;
    }

    .story-section-arrow {
        transform: rotate(90deg);
        align-self: center;
    }

    /* Toast提示 */
    .toast {
        left: 1rem;
        right: 1rem;
        transform: translateX(0);
        max-width: none;
    }
}

/* ============================================
   折叠面板 (Collapsible Sections)
   ============================================ */
.form-section.collapsible {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.form-section.collapsible.collapsed {
    background: rgba(255, 255, 255, 0.02);
}

.section-toggle {
    width: 100%;
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-glass);
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 600;
    transition: background var(--transition-fast);
}

.section-toggle:hover {
    background: rgba(255, 255, 255, 0.05);
}

.toggle-icon {
    font-size: 0.8rem;
    transition: transform var(--transition-fast);
}

.collapsed .toggle-icon {
    transform: rotate(-90deg);
}

.section-content-wrapper {
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    transition: max-height var(--transition-md) ease-in-out, opacity var(--transition-fast);
}

.collapsed .section-content-wrapper {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    opacity: 0;
    border-top: none;
    pointer-events: none;
    overflow: hidden;
}

.form-section.collapsible h3 {
    margin-bottom: 0;
}

/* 超小屏幕（小于360px） */
@media (max-width: 360px) {
    .header h1 {
        font-size: 1.1rem;
    }

    .mode-btn {
        font-size: 0.85rem;
        padding: 0.6rem 0.75rem;
    }

    .btn {
        font-size: 0.9rem;
        padding: 0.75rem 1rem;
    }

    .industry-card {
        padding: 0.75rem;
    }

    .industry-card-icon {
        font-size: 2rem;
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {

    /* 增大点击区域 */
    .industry-card,
    .story-card,
    .mode-btn,
    .btn {
        min-height: 44px;
    }

    /* 禁用悬停效果在触摸设备上的伪激活 */
    .industry-card:hover,
    .story-card:hover {
        transform: none;
    }

    .industry-card.selected:hover,
    .story-card.selected:hover {
        transform: scale(1.02);
    }

    /* 添加触摸反馈 */
    .industry-card:active,
    .story-card:active,
    .btn:active {
        transform: scale(0.98);
        opacity: 0.9;
    }
}

/* 横屏模式特殊处理 */
@media (max-height: 500px) and (orientation: landscape) {
    .header {
        padding: 0.5rem;
    }

    .step-indicator {
        padding: 0.5rem;
    }

    .step-content {
        padding: 0.5rem;
    }

    .industry-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.5rem;
    }
}