/* PornHub 风格 Logo 生成器样式 */

/* 主布局 */
.logo-generator-layout {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 30px;
    margin-top: 20px;
}

/* 配置面板 */
.config-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-height: 800px;
    overflow-y: auto;
    padding-right: 10px;
}

.config-panel::-webkit-scrollbar {
    width: 8px;
}

.config-panel::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.config-panel::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

.config-panel::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* 区块卡片 */
.section-card {
    background: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 20px;
}

.section-card h3 {
    margin: 0 0 15px 0;
    font-size: 16px;
    font-weight: 600;
    color: #333;
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-card h3 i {
    color: #4285f4;
}

/* 预设配色方案 */
.preset-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.preset-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background: #f8f9fa;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.preset-btn:hover {
    border-color: #4285f4;
    background: #f0f7ff;
    transform: translateY(-2px);
}

.preset-btn.active {
    border-color: #4285f4;
    background: #e8f4ff;
}

.preset-demo {
    display: flex;
    font-size: 14px;
    font-weight: bold;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.preset-name {
    font-size: 12px;
    color: #666;
    font-weight: 500;
}

/* 文字段容器 */
#text-blocks-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.text-block-item {
    background: #f8f9fa;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 15px;
    position: relative;
}

.text-block-item.expanded {
    background: #ffffff;
    border-color: #4285f4;
}

.text-block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    cursor: pointer;
    user-select: none;
}

.text-block-title {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    display: flex;
    align-items: center;
    gap: 8px;
}

.text-block-actions {
    display: flex;
    gap: 5px;
}

.btn-icon {
    background: none;
    border: none;
    padding: 5px 8px;
    cursor: pointer;
    color: #666;
    border-radius: 4px;
    transition: all 0.2s;
}

.btn-icon:hover {
    background: #e0e0e0;
    color: #333;
}

.btn-icon.delete-btn:hover {
    background: #fee;
    color: #d32f2f;
}

.text-block-content {
    display: none;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #e0e0e0;
}

.text-block-item.expanded .text-block-content {
    display: block;
}

.text-block-header i.fa-chevron-down {
    transition: transform 0.2s;
}

.text-block-item.expanded .text-block-header i.fa-chevron-down {
    transform: rotate(180deg);
}

/* 表单组 */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #555;
}

.form-input, .form-textarea, .form-select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
    outline: none;
    border-color: #4285f4;
}

.form-textarea {
    resize: vertical;
    min-height: 60px;
    font-family: inherit;
}

/* 滑块 */
.slider-with-value {
    display: flex;
    align-items: center;
    gap: 12px;
}

.slider {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: #e0e0e0;
    outline: none;
    -webkit-appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #4285f4;
    cursor: pointer;
    transition: background 0.2s;
}

.slider::-webkit-slider-thumb:hover {
    background: #3367d6;
}

.slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #4285f4;
    cursor: pointer;
    border: none;
}

.slider-value {
    min-width: 50px;
    text-align: right;
    font-size: 14px;
    font-weight: 600;
    color: #4285f4;
}

/* 颜色选择器 */
.color-picker-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.color-input-wrapper {
    position: relative;
    width: 50px;
    height: 36px;
    border: 2px solid #ddd;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.2s;
}

.color-input-wrapper:hover {
    border-color: #4285f4;
}

.color-input-wrapper input[type="color"] {
    position: absolute;
    top: -2px;
    left: -2px;
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    border: none;
    cursor: pointer;
}

.color-value {
    font-size: 13px;
    font-family: 'Courier New', monospace;
    color: #666;
    flex: 1;
}

/* 单选按钮组 */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: normal;
}

.radio-group input[type="radio"] {
    cursor: pointer;
}

/* 背景类型切换 */
.bg-type-tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 12px;
}

.bg-type-tab {
    flex: 1;
    padding: 8px;
    background: #f0f0f0;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
}

.bg-type-tab:hover {
    background: #e8e8e8;
}

.bg-type-tab.active {
    background: #4285f4;
    color: white;
    border-color: #4285f4;
}

.bg-config-panel {
    display: none;
}

.bg-config-panel.active {
    display: block;
}

/* 渐变方向选择 */
.gradient-direction-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 5px;
    margin-top: 8px;
}

.direction-btn {
    padding: 8px;
    background: #f0f0f0;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    font-size: 11px;
    text-align: center;
    transition: all 0.2s;
}

.direction-btn:hover {
    background: #e8e8e8;
}

.direction-btn.active {
    background: #4285f4;
    color: white;
    border-color: #4285f4;
}

/* 按钮样式 */
.btn-small {
    padding: 6px 12px;
    font-size: 13px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.btn-primary {
    background: #4285f4;
    color: white;
}

.btn-primary:hover {
    background: #3367d6;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(66, 133, 244, 0.3);
}

.btn-secondary {
    background: #f0f0f0;
    color: #333;
    border: 1px solid #ddd;
}

.btn-secondary:hover {
    background: #e8e8e8;
}

.btn-block {
    width: 100%;
    padding: 12px;
    font-size: 15px;
    font-weight: 600;
    justify-content: center;
}

/* 预览面板 */
.preview-panel {
    background: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 20px;
    position: sticky;
    top: 20px;
    height: fit-content;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.preview-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: #333;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.preview-canvas-wrapper {
    position: relative;
    min-height: 300px;
    background:
        linear-gradient(45deg, #f0f0f0 25%, transparent 25%),
        linear-gradient(-45deg, #f0f0f0 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #f0f0f0 75%),
        linear-gradient(-45deg, transparent 75%, #f0f0f0 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#logo-canvas {
    max-width: 100%;
    max-height: 500px;
    display: block;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: #999;
}

.empty-state i {
    font-size: 48px;
    opacity: 0.5;
}

.empty-state p {
    margin: 0;
    font-size: 14px;
}

.preview-info {
    margin-top: 12px;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 6px;
}

.preview-info small {
    font-size: 12px;
    color: #666;
    display: flex;
    align-items: center;
    gap: 6px;
}

.preview-info i {
    color: #4285f4;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .logo-generator-layout {
        grid-template-columns: 320px 1fr;
        gap: 20px;
    }

    .config-panel {
        max-height: 700px;
    }

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

@media (max-width: 768px) {
    .logo-generator-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .config-panel {
        max-height: none;
        overflow-y: visible;
        padding-right: 0;
    }

    .preview-panel {
        position: static;
        order: -1;
    }

    .preview-canvas-wrapper {
        min-height: 200px;
    }

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

    .section-card {
        padding: 15px;
    }

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

@media (max-width: 480px) {
    .color-picker-group {
        flex-direction: column;
        align-items: stretch;
    }

    .color-input-wrapper {
        width: 100%;
    }

    .slider-with-value {
        flex-direction: column;
        align-items: stretch;
    }

    .slider-value {
        text-align: center;
    }

    .btn-block {
        padding: 14px;
        font-size: 16px;
    }
}