/* 基础样式 - 移动端优先 */

/* 1. 基础变量 */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

/* 2. 基础样式 */
* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #f5f5f5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 主内容区域 */
main.container {
    flex: 1;
    padding-top: 1rem;
    padding-bottom: 2rem;
}

/* 3. 移动端优化 */
@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    main.container {
        padding-top: 0.5rem;
    }

    /* 移动端表格优化 */
    .table-responsive {
        font-size: 0.9rem;
    }
}

/* 4. 卡片样式优化 */
.card {
    border: 1px solid rgba(0,0,0,.125);
    border-radius: 0.5rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,.075);
    transition: transform 0.2s, box-shadow 0.2s;
    margin-bottom: 1rem;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1rem rgba(0,0,0,.15);
}

.card-header {
    background-color: rgba(0,0,0,.03);
    border-bottom: 1px solid rgba(0,0,0,.125);
    padding: 0.75rem 1.25rem;
}

/* 5. 按钮优化 */
.btn {
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.2s;
}

/* 移动端按钮加大点击区域 */
@media (max-width: 768px) {
    .btn {
        padding: 0.5rem 1rem;
        min-height: 44px; /* 最小触摸目标尺寸 */
    }
}

/* 6. 表单优化 */
.form-control, .form-select {
    border-radius: 0.375rem;
    border: 1px solid #dee2e6;
    padding: 0.5rem 0.75rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* 7. 设备状态指示器 */
.device-status {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.device-online {
    background-color: var(--success-color);
    box-shadow: 0 0 0 2px rgba(25, 135, 84, 0.2);
}

.device-offline {
    background-color: var(--danger-color);
    box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.2);
}

/* 8. 场景卡片 */
.scene-card {
    cursor: pointer;
    height: 100%;
}

.scene-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* 9. 加载动画 */
.loading-spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 0.25rem solid #f3f3f3;
    border-top: 0.25rem solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 10. 工具类 */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cursor-pointer {
    cursor: pointer;
}

/* 11. 响应式网格调整 */
@media (max-width: 576px) {
    .row-cols-sm-1 > * {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

@media (min-width: 576px) and (max-width: 768px) {
    .row-cols-sm-2 > * {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

/* 12. 动画效果 */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

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

.slide-up {
    animation: slideUp 0.3s ease-out;
}

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

/* 13. 页面标题 */
.page-title {
    font-size: 1rem;
}