/* 明达应急视讯会商 - 公共样式 */

:root {
    /* 主色调 - 深蓝色 */
    --primary-dark: #0a1628;
    --primary: #1a2744;
    --primary-light: #243b60;
    
    /* 强调色 */
    --accent: #4a9eff;
    --accent-hover: #6bb3ff;
    --accent-gradient: linear-gradient(135deg, #4a9eff 0%, #6366f1 100%);
    
    /* 文字颜色 */
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-muted: #718096;
    
    /* 状态颜色 */
    --success: #48bb78;
    --warning: #ecc94b;
    --danger: #f56565;
    --info: #4299e1;
    
    /* 边框和分割线 */
    --border: rgba(255, 255, 255, 0.1);
    --divider: rgba(255, 255, 255, 0.05);
    
    /* 阴影 */
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    color: var(--accent-hover);
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 卡片 */
.card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

/* 表单元素 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.1);
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    gap: 8px;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

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

.btn-danger:hover {
    background: #e53e3e;
}

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

.btn-success:hover {
    background: #38a169;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

.btn-block {
    width: 100%;
}

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

/* 表格 */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 14px;
}

.table tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

/* 状态标签 */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background: rgba(72, 187, 120, 0.2);
    color: var(--success);
}

.badge-warning {
    background: rgba(236, 201, 75, 0.2);
    color: var(--warning);
}

.badge-danger {
    background: rgba(245, 101, 101, 0.2);
    color: var(--danger);
}

.badge-info {
    background: rgba(66, 153, 225, 0.2);
    color: var(--info);
}

/* 页头 */
.page-header {
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 30px;
}

.page-header h1 {
    font-size: 24px;
    font-weight: 600;
}

/* 页脚 */
.footer {
    text-align: center;
    padding: 20px;
    color: var(--text-muted);
    font-size: 14px;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

/* 错误提示 */
.error-msg {
    color: var(--danger);
    font-size: 14px;
    margin-top: 10px;
    display: none;
}

.error-msg.show {
    display: block;
}

/* 成功提示 */
.success-msg {
    color: var(--success);
    font-size: 14px;
    margin-top: 10px;
    display: none;
}

.success-msg.show {
    display: block;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-radius: 50%;
    border-top-color: var(--accent);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* 隐藏 */
.hidden {
    display: none !important;
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border);
}

.stat-card .stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--accent);
}

.stat-card .stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* 模态框 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--primary);
    border-radius: 12px;
    padding: 24px;
    width: 90%;
    max-width: 500px;
    border: 1px solid var(--border);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-header h3 {
    font-size: 18px;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 20px;
}

/* 响应式 */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .card {
        padding: 16px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .table {
        font-size: 14px;
    }
    
    .table th,
    .table td {
        padding: 8px 12px;
    }
}