/* CSS3背景与渐变学习工具样式 */

:root {
    --primary-color: #4A90E2;
    --secondary-color: #50C878;
    --accent-color: #FF6B6B;
    --text-color: #333;
    --bg-color: #f5f7fa;
    --panel-bg: #ffffff;
    --border-color: #e1e8ed;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --shadow-hover: 0 4px 20px rgba(0,0,0,0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.dark-mode {
    --text-color: #e4e6eb;
    --bg-color: #18191a;
    --panel-bg: #242526;
    --border-color: #3a3b3c;
    --shadow: 0 2px 12px rgba(0,0,0,0.3);
    --shadow-hover: 0 4px 20px rgba(0,0,0,0.4);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: var(--transition);
}

.main-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 16px;
}

/* 工具头部 */
.tool-header {
    background: var(--panel-bg);
    padding: 14px 18px;
    border-radius: 10px;
    margin-bottom: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.tool-header h1 {
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-color);
    margin: 0;
}

.tool-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* 按钮样式（优化：禁用状态 + 紧凑高度） */
.btn-action, .btn-primary, .btn-theme, .btn-ai {
    padding: 4px 10px;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-action:disabled,
.btn-primary:disabled,
.btn-ai:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

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

.btn-action:hover {
    background: var(--bg-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

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

.btn-primary:hover {
    background: #3a7bc8;
    transform: translateY(-1px);
    box-shadow: var(--shadow-hover);
}

.btn-ai {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
}

.btn-ai:hover {
    transform: translateY(-1px) scale(1.02);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-theme {
    background: var(--panel-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    width: 32px;
    height: 32px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.btn-small {
    padding: 4px 10px;
    font-size: 12px;
    border: 1px solid var(--border-color);
    background: var(--panel-bg);
    color: var(--text-color);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-small:hover {
    background: var(--bg-color);
    transform: translateY(-1px);
}

.btn-inline {
    padding: 2px 8px;
    font-size: 11px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-left: 8px;
}

.btn-inline:hover {
    background: #3a7bc8;
}

/* 工作区 */
.workspace {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 16px;
    margin-bottom: 16px;
}

/* 预览面板 */
.preview-panel {
    background: var(--panel-bg);
    border-radius: 10px;
    padding: 16px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.panel-header h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    color: var(--text-color);
}

.preview-actions {
    display: flex;
    gap: 6px;
}

.preview-wrapper {
    width: 100%;
}

.gradient-preview {
    width: 100%;
    height: 400px;
    border-radius: 8px;
    background: linear-gradient(90deg, #ff6b6b 0%, #4ecdc4 100%);
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.preview-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
    transition: opacity 0.3s;
}

.preview-text {
    font-size: 36px;
    font-weight: 700;
    margin: 0 0 8px 0;
}

.preview-description {
    font-size: 16px;
    margin: 0;
    opacity: 0.9;
}

.preview-info {
    display: flex;
    gap: 16px;
    margin-top: 10px;
    padding: 8px;
    background: var(--bg-color);
    border-radius: 6px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
}

.info-label {
    font-weight: 600;
    color: var(--text-color);
}

/* 控制面板 */
.control-panel {
    background: var(--panel-bg);
    border-radius: 10px;
    padding: 16px;
    box-shadow: var(--shadow);
    max-height: calc(100vh - 180px);
    overflow-y: auto;
    transition: var(--transition);
}

.controls-wrapper {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.control-group {
    padding: 12px;
    background: var(--bg-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.control-group h4 {
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 10px 0;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.control-item {
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.control-item:last-child {
    margin-bottom: 0;
}

.control-item label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 6px;
}

.control-select, .control-number {
    width: 100%;
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--panel-bg);
    color: var(--text-color);
    font-size: 12px;
    transition: var(--transition);
}

.control-select:focus, .control-number:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.control-range {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    outline: none;
    -webkit-appearance: none;
}

.control-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    transition: var(--transition);
}

.control-range::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 0 4px rgba(74, 144, 226, 0.2);
}

.control-range::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.value-display {
    display: inline-block;
    min-width: 50px;
    padding: 2px 8px;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 11px;
    text-align: center;
    color: var(--text-color);
}

.info-icon {
    cursor: help;
    font-size: 14px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.info-icon:hover {
    opacity: 1;
}

/* 渐变类型选择器 */
.gradient-type-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.type-btn {
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    background: var(--panel-bg);
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 11px;
}

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

.type-btn.active {
    border-color: var(--primary-color);
    background: rgba(74, 144, 226, 0.1);
    color: var(--primary-color);
}

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

/* 方向选择器 */
.direction-selector {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

.dir-btn {
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--panel-bg);
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
    font-size: 16px;
}

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

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

/* 颜色控制 */
.color-stops {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.color-stop {
    padding: 10px;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: var(--transition);
}

.color-stop:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.1);
}

.color-stop-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.color-stop-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-color);
}

.remove-color-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 4px;
    width: 20px;
    height: 20px;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    transition: var(--transition);
}

.remove-color-btn:hover {
    background: #e55555;
    transform: scale(1.1);
}

.color-stop-controls {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: 8px;
    align-items: start;
}

.color-picker {
    width: 40px;
    height: 40px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
}

.color-picker:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.color-input {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--panel-bg);
    color: var(--text-color);
    font-size: 12px;
    font-family: 'Courier New', monospace;
    transition: var(--transition);
}

.color-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2);
}

/* 颜色输入错误状态 */
.color-input[style*="border-color: rgb(255, 107, 107)"] {
    background: rgba(255, 107, 107, 0.05);
}

.position-control {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
}

.position-control label {
    font-size: 11px;
    min-width: 40px;
}

.position-range {
    flex: 1;
}

.position-value {
    min-width: 40px;
    font-size: 11px;
    text-align: right;
    color: var(--text-color);
}

/* 代码面板 */
.code-panel {
    background: var(--panel-bg);
    border-radius: 10px;
    padding: 16px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.code-actions {
    display: flex;
    gap: 6px;
}

.code-wrapper {
    background: #282c34;
    border-radius: 6px;
    padding: 14px;
    overflow-x: auto;
}

.code-wrapper pre {
    margin: 0;
}

.code-wrapper code {
    font-family: 'Courier New', Consolas, Monaco, monospace;
    font-size: 13px;
    line-height: 1.6;
    color: #abb2bf;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--panel-bg);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    max-width: 800px;
    max-height: 90vh;
    width: 90%;
    display: flex;
    flex-direction: column;
    animation: slideUp 0.3s;
}

.modal-content.modal-large {
    max-width: 1000px;
}

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

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    color: var(--text-color);
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-color);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--bg-color);
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

/* 模板网格 */
.template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}

.template-item {
    cursor: pointer;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.template-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.template-preview {
    width: 100%;
    height: 120px;
}

.template-info {
    padding: 10px;
    background: var(--panel-bg);
}

.template-name {
    font-size: 13px;
    font-weight: 600;
    margin: 0 0 4px 0;
    color: var(--text-color);
}

.template-desc {
    font-size: 11px;
    margin: 0;
    color: var(--text-color);
    opacity: 0.7;
}

/* 引导内容 */
.guide-content {
    line-height: 1.8;
}

.guide-content h4 {
    font-size: 18px;
    margin: 0 0 12px 0;
    color: var(--primary-color);
}

.guide-content h5 {
    font-size: 15px;
    margin: 16px 0 8px 0;
    color: var(--text-color);
}

.guide-content p {
    margin: 8px 0;
    font-size: 14px;
}

.guide-content ol, .guide-content ul {
    margin: 8px 0;
    padding-left: 24px;
}

.guide-content li {
    margin: 6px 0;
    font-size: 13px;
}

.shortcut-list {
    list-style: none;
    padding: 0;
}

.shortcut-list li {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
}

kbd {
    padding: 2px 6px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 11px;
    font-family: monospace;
}

.guide-tip {
    margin-top: 16px;
    padding: 12px;
    background: rgba(74, 144, 226, 0.1);
    border-left: 3px solid var(--primary-color);
    border-radius: 4px;
    font-size: 13px;
}

/* AI推荐 */
.ai-recommendations {
    line-height: 1.8;
}

.ai-recommendations .loading {
    text-align: center;
    padding: 40px;
    color: var(--text-color);
    opacity: 0.7;
}

.ai-score {
    text-align: center;
    margin-bottom: 20px;
}

.score-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
}

.ai-grade {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
}

.ai-section {
    margin: 20px 0;
}

.ai-section h4 {
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 10px 0;
    color: var(--text-color);
}

.recommendation-card {
    padding: 12px;
    background: var(--bg-color);
    border-radius: 8px;
    border-left: 3px solid var(--primary-color);
    margin-bottom: 10px;
}

.recommendation-card.warning {
    border-left-color: #FFA500;
}

.recommendation-card.tip {
    border-left-color: var(--secondary-color);
}

.recommendation-title {
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 6px 0;
}

.recommendation-message {
    font-size: 13px;
    margin: 0;
    opacity: 0.9;
}

.apply-btn {
    margin-top: 8px;
    padding: 4px 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: var(--transition);
}

.apply-btn:hover {
    background: #3a7bc8;
}

/* 配色方案卡片样式 */
.palette-card {
    margin-bottom: 12px;
    padding: 12px;
    background: var(--bg-color);
    border-radius: 6px;
    border-left: 3px solid var(--secondary-color);
}

.palette-card p {
    margin: 4px 0;
    font-size: 13px;
}

.palette-desc {
    color: var(--text-color);
    opacity: 0.7;
    font-size: 12px !important;
    margin-top: 6px !important;
}

/* 属性学习内容样式 */

/* 左右两列布局 */
.learn-layout {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 20px;
    height: 70vh;
    overflow: hidden;
}

/* 左侧导航 */
.learn-nav {
    background: var(--bg-color);
    border-radius: 8px;
    padding: 16px;
    overflow-y: auto;
}

.learn-nav h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
    margin: 0 0 12px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    margin: 0;
}

.nav-link {
    display: block;
    padding: 8px 12px;
    font-size: 13px;
    color: var(--text-color);
    text-decoration: none;
    border-radius: 6px;
    transition: var(--transition);
    cursor: pointer;
}

.nav-link:hover {
    background: var(--panel-bg);
    color: var(--primary-color);
}

.nav-link.active {
    background: var(--primary-color);
    color: white;
}

/* 右侧内容 */
.learn-content {
    line-height: 1.8;
    overflow-y: auto;
    padding-right: 8px;
}

.learn-content::-webkit-scrollbar {
    width: 8px;
}

.learn-content::-webkit-scrollbar-track {
    background: var(--bg-color);
    border-radius: 4px;
}

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

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

.learn-section {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    scroll-margin-top: 20px;
}

.learn-section:last-child {
    border-bottom: none;
}

.learn-section h4 {
    font-size: 18px;
    margin: 0 0 10px 0;
    color: var(--primary-color);
    font-weight: 600;
}

.learn-section h5 {
    font-size: 15px;
    margin: 16px 0 8px 0;
    color: var(--text-color);
    font-weight: 600;
}

.learn-section h6 {
    font-size: 13px;
    margin: 12px 0 6px 0;
    color: var(--text-color);
    font-weight: 600;
}

.section-desc {
    margin: 8px 0 16px 0;
    font-size: 14px;
    color: var(--text-color);
    opacity: 0.8;
}

.property-item {
    margin: 12px 0;
    padding: 12px;
    background: var(--bg-color);
    border-radius: 6px;
}

.property-item ul {
    margin: 8px 0;
    padding-left: 24px;
    list-style: disc;
}

.property-item li {
    margin: 6px 0;
    font-size: 13px;
}

.property-item pre {
    margin: 8px 0;
    padding: 12px;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow-x: auto;
}

.property-item code {
    font-family: 'Courier New', Consolas, monospace;
    font-size: 12px;
    color: var(--primary-color);
}

.example-box {
    margin: 16px 0;
    padding: 14px;
    background: rgba(74, 144, 226, 0.05);
    border-left: 3px solid var(--primary-color);
    border-radius: 6px;
}

.example-box h6 {
    font-size: 13px;
    margin: 0 0 8px 0;
    color: var(--primary-color);
}

.example-box pre {
    margin: 0;
    padding: 10px;
    background: var(--panel-bg);
    border-radius: 4px;
    overflow-x: auto;
}

.example-box code {
    font-size: 12px;
    line-height: 1.6;
}

.compat-table {
    width: 100%;
    border-collapse: collapse;
    margin: 10px 0;
    font-size: 13px;
}

.compat-table th,
.compat-table td {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    text-align: left;
}

.compat-table th {
    background: var(--bg-color);
    font-weight: 600;
    color: var(--text-color);
}

.compat-table td {
    color: var(--text-color);
}

.learn-tip {
    margin-top: 20px;
    padding: 14px;
    background: rgba(80, 200, 120, 0.1);
    border-left: 3px solid var(--secondary-color);
    border-radius: 6px;
    font-size: 14px;
    line-height: 1.6;
}

.learn-tip strong {
    color: var(--secondary-color);
}

/* 隐藏类 */
.hidden {
    display: none !important;
}

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

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

/* 响应式设计 */
@media (max-width: 1200px) {
    .workspace {
        grid-template-columns: 1fr 350px;
    }
}

@media (max-width: 968px) {
    .workspace {
        grid-template-columns: 1fr;
    }

    .control-panel {
        max-height: none;
    }

    .template-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    /* 属性学习弹窗移动端单列布局 */
    .learn-layout {
        grid-template-columns: 1fr;
        height: auto;
    }

    .learn-nav {
        max-height: 200px;
        overflow-y: auto;
    }

    .learn-content {
        max-height: 50vh;
    }
}

@media (max-width: 640px) {
    .tool-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .tool-header h1 {
        font-size: 18px;
    }

    .tool-actions {
        width: 100%;
        justify-content: flex-start;
    }

    /* 移动端优化：按钮只显示图标 */
    .btn-action span:not(.type-icon):not(.theme-icon):last-child,
    .btn-primary span:last-child,
    .btn-ai span:last-child {
        display: none;
    }

    /* 保持图标可见 */
    .btn-action span:first-child,
    .btn-primary span:first-child,
    .btn-ai span:first-child {
        margin: 0;
    }

    .gradient-preview {
        height: 300px;
    }

    .preview-text {
        font-size: 24px;
    }

    .preview-description {
        font-size: 14px;
    }

    .gradient-type-selector {
        grid-template-columns: 1fr;
    }

    .direction-selector {
        grid-template-columns: repeat(4, 1fr);
    }

    /* 移动端增大触摸区域 */
    .control-range,
    .position-range {
        min-height: 36px;
    }

    .dir-btn {
        min-width: 44px;
        min-height: 44px;
    }
}

/* 全屏模式（优化：所有区域整体滚动） */
body.fullscreen-mode {
    overflow: hidden !important;
}

body.fullscreen-mode > header,
body.fullscreen-mode > footer,
body.fullscreen-mode .header,
body.fullscreen-mode .footer {
    display: none !important;
}

/* 关键修复：让main-container整体可滚动 */
body.fullscreen-mode .main-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    max-width: none;
    margin: 0;
    padding: 0;
    z-index: 9999;
    background: var(--bg-color);
    overflow-y: auto;
    overflow-x: hidden;
}

body.fullscreen-mode .tool-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--bg-color);
    margin: 0;
    border-radius: 0;
    padding: 12px 16px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

body.fullscreen-mode .workspace {
    margin: 0;
    overflow: visible;
    padding: 8px;
}

body.fullscreen-mode .preview-panel,
body.fullscreen-mode .control-panel {
    min-height: auto;
    max-height: none;
    overflow: visible;
}

body.fullscreen-mode .code-panel {
    margin: 0 8px 8px 8px;
    border-radius: 8px;
}

body.fullscreen-mode .code-wrapper {
    max-height: none;
    overflow: visible;
}

/* 移除原有的.fullscreen类 */


/* 滚动条样式 */
.main-container::-webkit-scrollbar,
.workspace::-webkit-scrollbar,
.control-panel::-webkit-scrollbar,
.modal-body::-webkit-scrollbar,
.code-wrapper::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.main-container::-webkit-scrollbar-track,
.workspace::-webkit-scrollbar-track,
.control-panel::-webkit-scrollbar-track,
.modal-body::-webkit-scrollbar-track,
.code-wrapper::-webkit-scrollbar-track {
    background: var(--bg-color);
    border-radius: 4px;
}

.main-container::-webkit-scrollbar-thumb,
.workspace::-webkit-scrollbar-thumb,
.control-panel::-webkit-scrollbar-thumb,
.modal-body::-webkit-scrollbar-thumb,
.code-wrapper::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.main-container::-webkit-scrollbar-thumb:hover,
.workspace::-webkit-scrollbar-thumb:hover,
.control-panel::-webkit-scrollbar-thumb:hover,
.modal-body::-webkit-scrollbar-thumb:hover,
.code-wrapper::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}