/* 二维码生成器样式 */
.qr-generator-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.qr-generator-container .tool-title-bar {
    text-align: center;
    margin-bottom: 28px;
}
.qr-generator-container .tool-title-bar h1 {
    font-size: 1.8em;
    color: #1a1a2e;
    margin: 0 0 8px;
}
.qr-generator-container .tool-title-bar h1 i {
    color: #667eea;
    margin-right: 8px;
}
.qr-generator-container .tool-title-bar p {
    color: #666;
    font-size: 1em;
    margin: 0;
}

/* 会员提示 */
.qr-generator-container .member-notice {
    background: #fff3cd;
    border: 1px solid #ffeeba;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    color: #856404;
    font-size: 1em;
}
.qr-generator-container .member-notice i {
    margin-right: 6px;
}

/* 主布局：左右两栏 */
.qr-generator-container .main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

/* 左侧面板 */
.qr-generator-container .left-panel,
.qr-generator-container .right-panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* 设置区块 */
.qr-generator-container .settings-section,
.qr-generator-container .preview-section {
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.qr-generator-container .settings-section h3,
.qr-generator-container .preview-section h3 {
    margin: 0 0 14px;
    font-size: 1.05em;
    font-weight: 600;
    color: #1a1a2e;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.qr-generator-container .settings-section h3 i {
    color: #667eea;
    margin-right: 8px;
}
.qr-generator-container .preview-section h3 span i {
    color: #667eea;
    margin-right: 6px;
}

/* 类型选择器 */
.qr-generator-container .type-selector {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.qr-generator-container .type-btn {
    padding: 8px 16px;
    border: 1px solid #d0d0d0;
    border-radius: 8px;
    background: #f9f9f9;
    cursor: pointer;
    font-size: 0.9em;
    font-weight: 500;
    color: #555;
    transition: all 0.2s ease;
}
.qr-generator-container .type-btn:hover {
    border-color: #667eea;
    color: #667eea;
    background: #f5f3ff;
}
.qr-generator-container .type-btn.active {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    border-color: transparent;
}
.qr-generator-container .type-btn i {
    margin-right: 4px;
}

/* 表单 */
.qr-generator-container .form-group {
    margin-bottom: 14px;
}
.qr-generator-container .form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: #333;
    font-size: 0.9em;
}
.qr-generator-container .form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #d0d0d0;
    border-radius: 8px;
    font-size: 0.95em;
    outline: none;
    transition: border-color 0.2s;
    background: #fff;
    color: #333;
}
.qr-generator-container .form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102,126,234,0.12);
}

/* 范围滑块 */
.qr-generator-container .range-control {
    width: 80%;
    vertical-align: middle;
    margin-right: 8px;
}
.qr-generator-container .range-value {
    font-weight: 600;
    color: #667eea;
    font-size: 0.9em;
}

/* 颜色输入组 */
.qr-generator-container .color-input-group {
    display: flex;
    gap: 8px;
    align-items: center;
}
.qr-generator-container .color-picker {
    width: 40px;
    height: 40px;
    border: 1px solid #d0d0d0;
    border-radius: 8px;
    cursor: pointer;
    padding: 2px;
}

/* 预览容器 */
.qr-generator-container .preview-container {
    border: 2px dashed #d0d0d0;
    border-radius: 10px;
    padding: 20px;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fafbfc;
}
.qr-generator-container .preview-container canvas {
    max-width: 100%;
    max-height: 400px;
    border-radius: 8px;
}

/* 操作按钮区 */
.qr-generator-container .actions-section {
    text-align: center;
}
.qr-generator-container .btn-group {
    display: flex;
    gap: 10px;
    justify-content: center;
}

/* 通用按钮 */
.qr-generator-container .btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 22px;
    border: none;
    border-radius: 8px;
    font-size: 0.95em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}
.qr-generator-container .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.qr-generator-container .btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    box-shadow: 0 4px 12px rgba(102,126,234,0.3);
}
.qr-generator-container .btn-primary:hover:not(:disabled) {
    box-shadow: 0 6px 16px rgba(102,126,234,0.4);
    transform: translateY(-1px);
}
.qr-generator-container .btn-success {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: #fff;
    box-shadow: 0 4px 12px rgba(40,167,69,0.3);
}
.qr-generator-container .btn-success:hover:not(:disabled) {
    box-shadow: 0 6px 16px rgba(40,167,69,0.4);
    transform: translateY(-1px);
}
.qr-generator-container .btn-info {
    background: linear-gradient(135deg, #17a2b8, #138496);
    color: #fff;
    box-shadow: 0 4px 12px rgba(23,162,184,0.3);
}
.qr-generator-container .btn-info:hover:not(:disabled) {
    box-shadow: 0 6px 16px rgba(23,162,184,0.4);
    transform: translateY(-1px);
}

/* 响应式 */
@media (max-width: 768px) {
    .qr-generator-container .main-content {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .qr-generator-container { padding: 12px; }
    .qr-generator-container .tool-title-bar h1 { font-size: 1.4em; }
    .qr-generator-container .type-selector { gap: 6px; }
    .qr-generator-container .type-btn { padding: 6px 12px; font-size: 0.85em; }
    .qr-generator-container .btn-group { flex-direction: column; }
    .qr-generator-container .btn { width: 100%; justify-content: center; }
}