/* ================================================================
   光遇 MuMu 后台管理系统 - 样式
   ================================================================ */

:root {
    --bg-primary: #0f1923;
    --bg-secondary: #1a2736;
    --bg-card: #1e2d3d;
    --bg-sidebar: #0c1520;
    --text-primary: #e4e9f0;
    --text-secondary: #8892b0;
    --accent: #00d2ff;
    --success: #00e676;
    --warning: #ffab40;
    --danger: #ff5252;
    --info: #448aff;
    --border: #2a3a4e;
    --radius: 8px;
    --shadow: 0 4px 24px rgba(0,0,0,0.3);
    --transition: all 0.2s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    display: flex;
    min-height: 100vh;
    font-size: 14px;
    line-height: 1.5;
}

/* ==================== 侧边栏 ==================== */
.sidebar {
    width: 230px;
    background: var(--bg-sidebar);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-header h1 { font-size: 18px; color: var(--accent); }
.sidebar-header .badge { 
    background: var(--accent); color: var(--bg-primary); 
    padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: bold;
}

.sidebar-nav { flex: 1; padding: 12px 0; }
.nav-item {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 20px; color: var(--text-secondary); text-decoration: none;
    font-size: 14px; transition: var(--transition); cursor: pointer;
    border-left: 3px solid transparent;
}
.nav-item:hover { color: var(--text-primary); background: rgba(255,255,255,0.03); }
.nav-item.active {
    color: var(--accent); background: rgba(0,210,255,0.08);
    border-left-color: var(--accent);
}
.nav-icon { width: 20px; text-align: center; font-size: 16px; }

.sidebar-footer {
    padding: 16px 20px; border-top: 1px solid var(--border);
    font-size: 11px; color: var(--text-secondary);
    display: flex; flex-direction: column; gap: 4px;
}

/* ==================== 主内容 ==================== */
.main-content {
    margin-left: 230px;
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

.page { display: none; }
.page.active { display: block; }

.page-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 24px;
}
.page-header h2 { font-size: 22px; color: var(--text-primary); }
.header-actions { display: flex; gap: 8px; }
.time { color: var(--text-secondary); font-size: 13px; }

/* ==================== 统计卡片 ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card); border-radius: var(--radius);
    padding: 20px; text-align: center; border: 1px solid var(--border);
    transition: var(--transition);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.stat-value { font-size: 28px; font-weight: bold; color: var(--accent); }
.stat-label { font-size: 12px; color: var(--text-secondary); margin-top: 4px; text-transform: uppercase; letter-spacing: 1px; }

.stat-card.online .stat-value { color: var(--success); }
.stat-card.offline .stat-value { color: var(--warning); }
.stat-card.failed .stat-value { color: var(--danger); }
.stat-card.sms .stat-value { color: var(--warning); }

/* ==================== 按钮 ==================== */
.btn {
    display: inline-block; padding: 9px 18px; border-radius: var(--radius);
    font-size: 13px; font-weight: 600; border: none; cursor: pointer;
    transition: var(--transition); text-decoration: none;
    background: var(--bg-card); color: var(--text-primary);
    border: 1px solid var(--border);
}
.btn:hover { opacity: 0.85; transform: translateY(-1px); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-xs { padding: 3px 8px; font-size: 11px; }

.btn-primary { background: var(--accent); color: var(--bg-primary); border-color: var(--accent); }
.btn-success { background: var(--success); color: #000; border-color: var(--success); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-warning { background: var(--warning); color: #000; border-color: var(--warning); }
.btn-info { background: var(--info); color: #fff; border-color: var(--info); }

/* ==================== 快捷操作 ==================== */
.quick-actions {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 20px; margin-bottom: 28px;
}
.quick-actions h3 { margin-bottom: 12px; font-size: 15px; color: var(--text-secondary); }
.action-buttons { display: flex; gap: 10px; flex-wrap: wrap; }

.recent-logs {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 20px;
}
.recent-logs h3 { margin-bottom: 12px; font-size: 15px; color: var(--text-secondary); }

/* ==================== 工具栏 ==================== */
.toolbar {
    display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap;
}
.toolbar input, .toolbar select {
    padding: 8px 12px; border-radius: var(--radius);
    background: var(--bg-card); color: var(--text-primary);
    border: 1px solid var(--border); font-size: 13px;
    outline: none; transition: var(--transition);
}
.toolbar input:focus, .toolbar select:focus { border-color: var(--accent); }
.toolbar input { min-width: 220px; }
.toolbar select { min-width: 120px; }

/* ==================== 表格 ==================== */
.table-container {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); overflow: hidden;
}

table { width: 100%; border-collapse: collapse; }
th {
    text-align: left; padding: 12px 14px; font-size: 12px;
    color: var(--text-secondary); font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.5px; background: rgba(255,255,255,0.02);
    border-bottom: 1px solid var(--border);
}
td {
    padding: 10px 14px; border-bottom: 1px solid rgba(255,255,255,0.04);
    font-size: 13px; color: var(--text-primary);
}
tbody tr:hover { background: rgba(0,210,255,0.03); }
.loading { text-align: center; color: var(--text-secondary); padding: 40px !important; }

/* 状态标签 */
.status-badge {
    display: inline-block; padding: 3px 10px; border-radius: 12px;
    font-size: 11px; font-weight: 600; text-transform: uppercase;
}
.status-online { background: rgba(0,230,118,0.15); color: var(--success); }
.status-offline { background: rgba(255,171,64,0.15); color: var(--warning); }
.status-failed { background: rgba(255,82,82,0.15); color: var(--danger); }
.status-need_sms { background: rgba(255,171,64,0.15); color: var(--warning); }
.status-idle { background: rgba(136,146,176,0.15); color: var(--text-secondary); }
.status-logging_in { background: rgba(68,138,255,0.15); color: var(--info); }

/* ==================== 分页 ==================== */
.pagination {
    display: flex; gap: 8px; margin-top: 16px; justify-content: center; align-items: center;
}
.pagination button {
    padding: 6px 14px; border-radius: var(--radius);
    background: var(--bg-card); color: var(--text-primary);
    border: 1px solid var(--border); cursor: pointer; font-size: 13px;
}
.pagination button:hover { border-color: var(--accent); }
.pagination button.active { background: var(--accent); color: var(--bg-primary); border-color: var(--accent); }
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }

/* ==================== 表单 ==================== */
.form-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 24px; max-width: 600px;
}
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 6px;
}
.form-group .required { color: var(--danger); }
.form-group small { color: var(--text-secondary); font-weight: normal; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 9px 12px; border-radius: var(--radius);
    background: var(--bg-secondary); color: var(--text-primary);
    border: 1px solid var(--border); font-size: 13px; outline: none;
    transition: var(--transition); font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--accent);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-actions { display: flex; gap: 10px; margin-top: 20px; }
.result-box {
    margin-top: 16px; padding: 12px 16px; border-radius: var(--radius);
    background: rgba(0,210,255,0.08); border: 1px solid var(--accent);
    font-size: 13px; max-height: 300px; overflow-y: auto;
    white-space: pre-wrap;
}

/* ==================== 批量卡片 ==================== */
.batch-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 16px;
}
.batch-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 20px;
}
.batch-card h3 { margin-bottom: 8px; font-size: 16px; color: var(--accent); }
.batch-card p { font-size: 13px; color: var(--text-secondary); margin-bottom: 14px; }
.batch-card.danger h3 { color: var(--danger); }
.batch-card .btn { margin-top: 10px; }

/* ==================== 弹窗 ==================== */
.modal {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.7); display: flex;
    justify-content: center; align-items: center; z-index: 200;
}
.modal-content {
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 12px; width: 480px; max-width: 90vw;
    box-shadow: var(--shadow);
}
.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 16px; }
.close-btn {
    background: none; border: none; color: var(--text-secondary);
    font-size: 22px; cursor: pointer; line-height: 1;
}
.close-btn:hover { color: var(--danger); }
.modal-body { padding: 20px; }
.modal-footer {
    display: flex; justify-content: flex-end; gap: 10px;
    padding: 14px 20px; border-top: 1px solid var(--border);
}

/* ==================== Toast ==================== */
.toast {
    position: fixed; top: 20px; right: 20px; z-index: 300;
    padding: 12px 20px; border-radius: var(--radius);
    font-size: 13px; font-weight: 500; box-shadow: var(--shadow);
    animation: slideIn 0.3s ease;
    max-width: 400px;
}
.toast.success { background: var(--success); color: #000; }
.toast.error { background: var(--danger); color: #fff; }
.toast.info { background: var(--info); color: #fff; }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ==================== 响应式 ==================== */
@media (max-width: 768px) {
    .sidebar { width: 60px; }
    .sidebar-header h1, .sidebar-header .badge,
    .nav-item span:not(.nav-icon), .sidebar-footer { display: none; }
    .nav-item { justify-content: center; padding: 12px; }
    .main-content { margin-left: 60px; padding: 16px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .batch-cards { grid-template-columns: 1fr; }
}

/* ==================== 滚动条 ==================== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }