/* 基础样式和变量定义 */
:root {
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --success-color: #4cc9f0;
    --danger-color: #f72585;
    --warning-color: #f8961e;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --gray-color: #6c757d;
    --light-gray: #e9ecef;
    --border-radius: 12px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: #f0f2f5;
    color: var(--dark-color);
    line-height: 1.6;
    padding: 15px;
    min-height: 100vh;
}

@media (min-width: 600px) {
    body {
        padding: 20px;
    }
}

.container {
    max-width: 1800px;
    margin: 0 auto;
}

/* 头部样式 */
.header {
    text-align: center;
    padding: 18px 15px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    box-shadow: var(--box-shadow);
}

.header h1 {
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

/* 主要内容区域布局 */
.main-content {
    display: grid;
    gap: 25px;
}

/* 默认布局（小屏幕） */
.main-content {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
}

/* 大屏幕：1400px以上 - 三栏布局 */
@media (min-width: 1200px) {
    .main-content {
        grid-template-columns: 1fr 1.2fr 1.2fr;
    }
}

/* 中等屏幕：800px-1400px - 两栏布局 */
@media (min-width: 800px) and (max-width: 1200px) {
    .main-content {
        grid-template-columns: 1fr 1.2fr;
        grid-template-rows: auto auto;
    }

    .right-panel {
        grid-column: 1 / -1;
        grid-row: 2;
    }

    .selected-icon-display {
        text-align: center;
        gap: 15px;
    }

    .selected-icon-preview {
        min-width: auto;
        width: 120px;
        height: 120px;
    }

    .action-buttons {
        flex-direction: row;
    }

    .config-row {
        grid-template-columns: 90px 1fr 60px;
        gap: 12px;
    }

    .config-row input[type="range"] {
        max-width: 200px;
    }

    .config-row select {
        max-width: 200px;
    }

    .header h1 {
        font-size: 1.7rem;
    }

    .header {
        padding: 16px 15px;
        margin-bottom: 18px;
    }

}

/* 小屏幕：600px以下 - 单栏布局 */
@media (max-width: 800px) {
    .main-content {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
    }

    .header h1 {
        font-size: 1.6rem;
        flex-direction: column;
        gap: 8px;
    }

    .header {
        padding: 14px 12px;
        margin-bottom: 15px;
    }


    .selected-icon-display {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .selected-icon-preview {
        min-width: auto;
        width: 100px;
        height: 100px;
        font-size: 3rem;
    }

    .action-buttons {
        flex-direction: column;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
    }

    .copy-buttons {
        flex-direction: column;
        gap: 8px;
    }

    .category-filter {
        flex-wrap: wrap;
        justify-content: center;
    }

    .search-info {
        flex-direction: column;
        gap: 10px;
        align-items: stretch;
    }

    #searchCount {
        text-align: center;
        order: 1;
    }

    .category-filter {
        order: 2;
    }
}

/* 左侧面板 - 图标选择 */
.left-panel {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--box-shadow);
    display: flex;
    flex-direction: column;
    height: fit-content;
}

.search-section {
    margin-bottom: 20px;
}

.search-box {
    position: relative;
    margin-bottom: 15px;
}

.search-box input {
    width: 100%;
    padding: 15px 15px 15px 15px;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    background: transparent;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.search-clear {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-color);
    cursor: pointer;
    display: none;
    background: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.search-clear:hover {
    color: var(--danger-color);
    background: #f8f9fa;
}

.search-clear.visible {
    display: flex;
}

.search-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--gray-color);
}

.category-filter {
    display: flex;
    gap: 8px;
    order: 1;
}

#searchCount {
    order: 2;
    font-weight: 500;
    font-family: 'Consolas', 'Monaco', monospace;
    background-color: #f0f3ff;
    padding: 4px 10px;
    border-radius: 6px;
    color: var(--primary-color);
    border: 1px solid rgba(67, 97, 238, 0.2);
}

.category-btn {
    padding: 6px 12px;
    background: var(--light-gray);
    border: none;
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.category-btn:hover {
    background: #d1d5db;
}

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

/* 图标网格 */
.icons-grid {
    flex: 1;
    overflow-y: auto;
    max-height: 600px;
    padding-right: 5px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 12px;
}

.icons-grid::-webkit-scrollbar {
    width: 8px;
}

.icons-grid::-webkit-scrollbar-track {
    background: var(--light-gray);
    border-radius: 4px;
}

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

.icons-grid::-webkit-scrollbar-thumb:hover {
    background: #5a6268;
}

.icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px 10px;
    background: white;
    border: 2px solid var(--light-gray);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    position: relative;
    height: 100px;
    justify-content: center;
}

.icon-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.icon-item.selected {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(67, 97, 238, 0.2);
}

.icon-display {
    font-size: 1.8rem;
    margin-bottom: 8px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-item-name {
    font-size: 0.75rem;
    word-break: break-word;
    max-width: 100%;
    line-height: 1.2;
    color: var(--dark-color);
    font-weight: 500;
}


/* 分页控制 */
.pagination-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
    padding: 12px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid var(--light-gray);
}


.page-btn {
    padding: 8px 15px;
    background: white;
    border: 2px solid #ddd;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
}

.page-btn:hover:not(.disabled) {
    border-color: var(--primary-color);
    background: #f0f3ff;
}

.page-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-info {
    font-size: 0.9rem;
    color: var(--gray-color);
    font-weight: 500;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-color);
    grid-column: 1 / -1;
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state h3 {
    margin-bottom: 10px;
    font-weight: 600;
}

/* 中间面板 - 配置区 */
.center-panel {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--box-shadow);
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.selected-icon-section h3,
.configuration-section h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.selected-icon-display {
    display: flex;
    gap: 20px;
    align-items: center;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 10px;
}

.selected-icon-preview {
    font-size: 4rem;
    color: var(--primary-color);
    background: white;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    min-width: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.selected-icon-info {
    flex: 1;
}

.selected-icon-info h4 {
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.icon-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

.detail-label {
    font-weight: 600;
    min-width: 70px;
    color: var(--gray-color);
}

.detail-item code {
    background-color: #e9ecef;
    padding: 3px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

/* 配置选项 */
.config-group {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--light-gray);
}

.config-group:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.config-group h4 {
    color: var(--secondary-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
}

.config-row {
    display: grid;
    grid-template-columns: 100px 1fr 60px;
    align-items: center;
    margin-bottom: 15px;
    gap: 15px;
}

.config-row label {
    font-weight: 500;
    color: #495057;
    text-align: left;
}

.config-row-value {
    grid-column: 3;
    text-align: right;
    font-weight: 500;
    font-family: 'Consolas', 'Monaco', monospace;
    color: var(--primary-color);
}

.color-picker {
    display: flex;
    align-items: center;
    gap: 15px;
    justify-content: flex-start;
    grid-column: 2;
}

.color-picker input[type="color"] {
    width: 50px;
    height: 40px;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    cursor: pointer;
    padding: 0;
}

.color-picker input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-picker input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 6px;
}

.config-row input[type="range"] {
    grid-column: 2;
    height: 8px;
    border-radius: 4px;
    background: var(--light-gray);
    outline: none;
    -webkit-appearance: none;
    width: 100%;
}

.config-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
}

.config-row input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
}

.config-row select {
    grid-column: 2;
    padding: 10px 15px;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    width: 100%;
    max-width: 250px;
}

.config-row select:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* 右侧面板 - 预览和输出 */
.right-panel {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--box-shadow);
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.preview-section h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.preview-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.preview-box {
    width: 200px;
    height: 200px;
    border-radius: 15px;
    background: white;
    border: 2px dashed var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.preview-label {
    font-size: 0.9rem;
    color: var(--gray-color);
    text-align: center;
}

/* 输出区域 */
.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.code-header h4 {
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.copy-btn {
    padding: 8px 15px;
    background-color: var(--light-gray);
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.copy-btn:hover {
    background-color: #d1d5db;
}

.copy-buttons {
    display: flex;
    gap: 10px;
}

.code-output {
    width: 100%;
    min-height: 180px;
    padding: 15px;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    resize: vertical;
    background-color: #2d2d2d;
    color: #f8f8f2;
    margin-bottom: 10px;
}

/* 操作按钮 */
.action-buttons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.btn-primary, .btn-secondary {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(67, 97, 238, 0.3);
}

.btn-secondary {
    background-color: var(--light-gray);
    color: var(--dark-color);
}

.btn-secondary:hover {
    background-color: #d1d5db;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 页脚 */
.footer {
    text-align: center;
    padding: 20px;
    color: var(--gray-color);
    font-size: 0.9rem;
    border-top: 1px solid var(--light-gray);
    margin-top: 30px;
}

.footer-note {
    margin-top: 10px;
    font-size: 0.8rem;
    color: #adb5bd;
}

/* Toast通知 */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--primary-color);
    color: white;
    padding: 15px 25px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 15px;
    transform: translateY(100px);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    z-index: 1000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast i {
    font-size: 1.2rem;
}

/* 加载动画 */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.fa-spin {
    animation: spin 1s linear infinite;
}

/* 响应式设计 - 图标网格 */
@media (max-width: 1200px) {
    .icons-grid {
        grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    }
}

@media (max-width: 768px) {
    .icons-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }
}

/* 配置行的响应式调整 */
@media (max-width: 768px) {
    .config-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .config-row label {
        width: 100%;
        text-align: left;
    }

    .config-row input[type="range"] {
        grid-column: 1;
        width: 100%;
        max-width: 100%;
    }

    .color-picker {
        grid-column: 1;
        width: 100%;
        justify-content: flex-start;
    }

    .config-row select {
        grid-column: 1;
        width: 100%;
        max-width: 100%;
    }

    .config-row-value {
        grid-column: 1;
        text-align: left;
        width: 100%;
    }
}

/* 复制按钮的响应式调整 */
@media (max-width: 768px) {
    .copy-buttons {
        flex-direction: column;
        gap: 8px;
    }
}