/**
 * 二维码生成器 - 样式
 */

/* 内容区域布局 */
.content-area {
    display: flex;
    gap: 20px;
    flex: 1;
}

/* 配置面板 */
.config-panel {
    flex: 1;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
}

.config-header {
    padding: 14px 20px;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border-light);
    font-size: 14px;
    font-weight: 600;
}

.config-body {
    padding: 20px;
    flex: 1;
}

.config-section {
    margin-bottom: 24px;
}

.config-section:last-child {
    margin-bottom: 0;
}

.config-section-title {
    font-size: 11px;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.config-section-title::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--color-primary);
    border-radius: 50%;
}

.config-item {
    margin-bottom: 16px;
}

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

.config-label {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
    display: block;
}

.config-textarea {
    width: 100%;
    height: 120px;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 14px;
    background: var(--color-bg);
    color: var(--color-text);
    resize: vertical;
    transition: var(--transition);
}

.config-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.config-textarea::placeholder {
    color: var(--color-text-light);
}

.char-count {
    text-align: right;
    font-size: 12px;
    color: var(--color-text-light);
    margin-top: 6px;
}

.config-row {
    display: flex;
    gap: 16px;
}

.config-row .config-item {
    flex: 1;
}

.config-select {
    width: 100%;
    height: 42px;
    padding: 0 36px 0 14px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 14px;
    background: var(--color-bg);
    color: var(--color-text);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    transition: var(--transition);
}

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

/* 颜色选择 */
.color-picker-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.color-preview {
    width: 42px;
    height: 42px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    cursor: pointer;
    padding: 2px;
    background: var(--color-bg);
}

.color-preview::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-preview::-webkit-color-swatch {
    border: none;
    border-radius: 5px;
}

.color-input {
    flex: 1;
    height: 42px;
    padding: 0 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 13px;
    font-family: var(--font-mono);
    background: var(--color-bg);
    color: var(--color-text);
    text-transform: uppercase;
}

.color-presets {
    display: flex;
    gap: 6px;
    margin-top: 8px;
}

.color-preset {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.color-preset:hover {
    transform: scale(1.1);
}

.color-preset.active {
    border-color: var(--color-primary);
}

/* 尺寸滑块 */
.size-slider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.slider-min,
.slider-max {
    font-size: 12px;
    color: var(--color-text-light);
    white-space: nowrap;
}

.slider-input {
    flex: 1;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--color-bg-secondary);
    border-radius: 3px;
    outline: none;
}

.slider-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.slider-input::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    border: 2px solid white;
}

/* 配置操作按钮 */
.config-actions {
    padding: 16px 20px;
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border-light);
    display: flex;
    gap: 12px;
}

/* 结果面板 */
.result-panel {
    width: 380px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex-shrink: 0;
}

/* 二维码预览 */
.qr-preview {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    overflow: hidden;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.qr-preview-header {
    padding: 12px 16px;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border-light);
    font-size: 13px;
    font-weight: 500;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.qr-size-info {
    font-size: 12px;
    color: var(--color-text-light);
    font-family: var(--font-mono);
}

.qr-preview-body {
    flex: 1;
    padding: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.qr-container {
    width: 260px;
    height: 260px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--color-text-light);
}

.qr-placeholder-icon {
    font-size: 56px;
    opacity: 0.5;
}

.qr-placeholder-text {
    font-size: 13px;
}

.qr-container img {
    border-radius: 8px;
}

/* 下载选项 */
.download-options {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border-light);
    padding: 16px;
}

.download-title {
    font-size: 12px;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.download-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.download-btn {
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text);
    cursor: pointer;
    transition: var(--transition);
}

.download-btn:hover:not(:disabled) {
    background: var(--color-bg-secondary);
}

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

.download-btn.primary {
    background: #34a853;
    border-color: #34a853;
    color: white;
}

.download-btn.primary:hover:not(:disabled) {
    background: #2d9248;
}

/* 快捷格式 */
.format-options {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 16px;
}

.format-title {
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 12px;
}

.format-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.format-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-light);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.format-item:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
}

.format-item.active {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
}

.format-icon {
    font-size: 18px;
}

.format-info {
    flex: 1;
}

.format-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
}

.format-desc {
    font-size: 11px;
    color: var(--color-text-light);
    margin-top: 2px;
}

/* 响应式 */
@media (max-width: 900px) {
    .content-area {
        flex-direction: column;
    }

    .result-panel {
        width: 100%;
    }

    .qr-preview-body {
        padding: 20px;
    }

    .qr-container {
        width: 220px;
        height: 220px;
    }
}

@media (max-width: 600px) {
    .config-row {
        flex-direction: column;
        gap: 16px;
    }

    .config-actions {
        flex-direction: column;
    }

    .qr-container {
        width: 200px;
        height: 200px;
    }
}