/* ============================================
   All In One - 工程师值班平台 全局样式
   ============================================ */

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background: #f0f2f5;
}

/* ========== 左侧树形导航 ========== */
.sidebar-tree .tree-item {
    transition: all 0.2s;
    border-radius: 6px;
}
.sidebar-tree .tree-item:hover {
    background-color: rgba(13, 110, 253, 0.08);
}
.sidebar-tree .tree-item.active {
    background-color: rgba(13, 110, 253, 0.1);
    border-left: 3px solid #0d6efd;
}
.tree-toggle {
    transition: transform 0.2s;
}
.tree-toggle.expanded {
    transform: rotate(90deg);
}

/* ========== 页面切换 ========== */
.page-content {
    display: none;
}
.page-content.active {
    display: block;
}

/* ========== KPI 卡片 ========== */
.kpi-card {
    transition: transform 0.2s, box-shadow 0.2s;
}
.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* ========== 图表占位 ========== */
.chart-placeholder {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 2px dashed #dee2e6;
}

/* ========== 自定义滚动条 ========== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* ========== 按钮 ========== */
.btn-primary {
    background: #0d6efd;
    color: white;
}
.btn-primary:hover {
    background: #0b5ed7;
}

/* ========== 徽章 ========== */
.badge-danger { background: #dc3545; color: white; }
.badge-warning { background: #ffc107; color: #212529; }
.badge-info { background: #0dcaf0; color: #212529; }
.badge-success { background: #198754; color: white; }

/* ========== 表格 hover ========== */
.table-hover tbody tr:hover {
    background-color: #f8f9fa;
}

/* ========== 宣导分类标签 ========== */
.broadcast-tab {
    background: #f8f9fa;
    color: #6c757d;
    border: 1px solid #dee2e6;
}
.broadcast-tab:hover {
    background: #e9ecef;
    color: #212529;
}
.broadcast-tab.active {
    background: rgba(13, 110, 253, 0.1);
    color: #0d6efd;
    border-color: #0d6efd;
    font-weight: 500;
}

/* ========== 模态框 ========== */
.modal-overlay {
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(2px);
}
.modal-enter {
    animation: modalIn 0.2s ease-out;
}
@keyframes modalIn {
    from { opacity: 0; transform: scale(0.96); }
    to { opacity: 1; transform: scale(1); }
}

/* ========== Toast 通知 ========== */
.toast-enter {
    animation: toastIn 0.3s ease-out;
}
.toast-exit {
    animation: toastOut 0.3s ease-in forwards;
}
@keyframes toastIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes toastOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(-20px); }
}

/* ========== Loading 状态 ========== */
.app-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #6c757d;
    font-size: 14px;
}
.app-loading::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid #dee2e6;
    border-top-color: #0d6efd;
    border-radius: 50%;
    margin-right: 8px;
    animation: spin 0.8s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}