/* ===== 暗码云·管理控制台 ===== */
:root {
    --admin-bg: #F0F2F5;
    --admin-sidebar: #1A1A2E;
    --admin-blue: #0078D4;
    --admin-blue-hover: #106EBE;
    --admin-text: #292827;
    --admin-text-secondary: #605E5C;
    --admin-border: #E1DFDD;
    --admin-border-light: #EDEBE9;
    --admin-radius: 4px;
    --admin-shadow: 0 1.6px 3.6px rgba(0,0,0,0.06);
    --admin-green: #107C10;
    --admin-red: #13438;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Segoe UI', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--admin-bg);
    color: var(--admin-text);
    line-height: 1.65;
    font-size: 14px;
    min-height: 100vh;
}

/* ========== PC 端 ========== */
.admin-topbar {
    background: #1A1A2E;
    color: white;
    padding: 0 24px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}
.admin-topbar-left { display: flex; align-items: center; gap: 16px; }
.admin-logo { display: flex; align-items: center; gap: 8px; text-decoration: none; color: white; font-weight: 600; font-size: 0.92rem; }
.admin-logo-mark { width: 26px; height: 26px; background: var(--admin-blue); border-radius: 3px; display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: 700; }
.admin-topbar-badge { background: rgba(255,255,255,0.15); color: #FFD700; padding: 2px 10px; border-radius: 30px; font-size: 0.7rem; font-weight: 600; }
.admin-topbar-right { display: flex; align-items: center; gap: 16px; }
.admin-user-info { display: flex; align-items: center; gap: 8px; font-size: 0.82rem; color: rgba(255,255,255,0.8); }
.admin-avatar { width: 30px; height: 30px; background: var(--admin-blue); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.8rem; font-weight: 600; }
.admin-logout-btn { background: transparent; color: rgba(255,255,255,0.7); border: 1px solid rgba(255,255,255,0.25); padding: 5px 14px; border-radius: 3px; font-size: 0.78rem; cursor: pointer; font-family: inherit; }
.admin-logout-btn:hover { background: rgba(255,255,255,0.1); color: white; }

.admin-layout { display: flex; min-height: calc(100vh - 52px); }
.admin-sidebar { width: 200px; background: #1A1A2E; flex-shrink: 0; padding: 16px 0; }
.admin-sidebar-nav { list-style: none; }
.admin-sidebar-nav li a {
    display: flex; align-items: center; gap: 10px; padding: 10px 20px;
    text-decoration: none; color: rgba(255,255,255,0.7); font-size: 0.85rem;
    border-left: 3px solid transparent; transition: all 0.15s;
}
.admin-sidebar-nav li a:hover { background: #252542; color: white; }
.admin-sidebar-nav li a.active { background: rgba(0,120,212,0.2); color: white; border-left-color: var(--admin-blue); }
.admin-sidebar-nav li a .icon { width: 18px; text-align: center; }

.admin-main { flex: 1; padding: 24px; min-width: 0; }
.admin-page-title { font-size: 1.25rem; font-weight: 600; }
.admin-page-desc { color: var(--admin-text-secondary); font-size: 0.85rem; margin-bottom: 20px; }
.admin-stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 20px; }
.admin-stat-card { background: white; border: 1px solid var(--admin-border); border-radius: var(--admin-radius); padding: 18px; box-shadow: var(--admin-shadow); }
.admin-stat-value { font-size: 1.5rem; font-weight: 700; }
.admin-stat-label { font-size: 0.78rem; color: #8A8886; }

.admin-card { background: white; border: 1px solid var(--admin-border); border-radius: var(--admin-radius); padding: 20px; box-shadow: var(--admin-shadow); margin-bottom: 16px; }
.admin-card-title { font-size: 0.95rem; font-weight: 600; margin-bottom: 12px; }

.admin-table-wrapper { overflow-x: auto; border: 1px solid var(--admin-border); border-radius: var(--admin-radius); background: white; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.admin-table th { text-align: left; padding: 10px 14px; background: #FAF9F8; font-weight: 600; border-bottom: 1px solid var(--admin-border); white-space: nowrap; font-size: 0.8rem; color: #605E5C; }
.admin-table td { padding: 10px 14px; border-bottom: 1px solid var(--admin-border-light); }
.admin-table tr:hover td { background: #FAF9F8; }

.admin-form-group { margin-bottom: 16px; }
.admin-form-label { display: block; font-weight: 600; font-size: 0.82rem; margin-bottom: 4px; }
.admin-form-input, .admin-form-textarea, .admin-form-select {
    width: 100%; padding: 8px 12px; border: 1px solid var(--admin-border);
    border-radius: 3px; font-size: 0.88rem; font-family: inherit;
}
.admin-form-textarea { min-height: 80px; resize: vertical; }

.admin-btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 16px; border-radius: 3px; font-weight: 600; font-size: 0.82rem; border: none; cursor: pointer; font-family: inherit; white-space: nowrap; }
.admin-btn-primary { background: var(--admin-blue); color: white; }
.admin-btn-outline { background: transparent; color: #292827; border: 1px solid var(--admin-border); }
.admin-btn-success { background: var(--admin-green); color: white; }
.admin-btn-danger { background: #D13438; color: white; }
.admin-btn-sm { padding: 4px 10px; font-size: 0.75rem; }

.admin-badge { display: inline-flex; padding: 3px 10px; border-radius: 30px; font-size: 0.72rem; font-weight: 600; }
.admin-badge-green { background: #E8F5E9; color: #107C10; }
.admin-badge-blue { background: #EFF6FC; color: #0078D4; }
.admin-badge-yellow { background: #FFF8E1; color: #6D4C00; }
.admin-badge-red { background: #FDE7E9; color: #D13438; }
.admin-badge-gray { background: #F3F2F1; color: #605E5C; }

.admin-alert { padding: 12px 16px; border-radius: 3px; margin-bottom: 16px; font-size: 0.85rem; }
.admin-alert-success { background: #E8F5E9; color: #107C10; }
.admin-alert-error { background: #FDE7E9; color: #D13438; }
.admin-alert-warning { background: #FFF8E1; color: #6D4C00; }
.admin-alert-info { background: #EFF6FC; color: #005A9E; }

.admin-modal-mask { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.45); z-index: 200; align-items: center; justify-content: center; }
.admin-modal-mask.show { display: flex; }
.admin-modal { background: white; border-radius: 6px; padding: 28px; width: 100%; max-width: 440px; }
.admin-modal-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 16px; }
.admin-modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }

.admin-login-wrapper { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: #1A1A2E; padding: 20px; }
.admin-login-card { background: white; border-radius: 6px; width: 100%; max-width: 380px; padding: 36px; }
.admin-login-header { text-align: center; margin-bottom: 28px; }
.admin-login-header h1 { font-size: 1.2rem; font-weight: 600; }
.admin-login-header p { color: #8A8886; font-size: 0.82rem; }

/* ========== 手机端完全重设计 ========== */
@media (max-width: 768px) {
    /* 顶栏精简 */
    .admin-topbar { height: 48px; padding: 0 12px; }
    .admin-topbar-badge { display: none; }
    .admin-user-info span { display: none; }
    .admin-avatar { width: 28px; height: 28px; font-size: 0.75rem; }
    .admin-logo { font-size: 0.85rem; }
    .admin-logo-mark { width: 24px; height: 24px; font-size: 0.7rem; }
    .admin-logout-btn { padding: 4px 10px; font-size: 0.72rem; }

    /* 侧边栏变成底部固定导航 */
    .admin-layout { flex-direction: column; padding-bottom: 56px; }
    .admin-sidebar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        height: 56px;
        padding: 0;
        z-index: 99;
        display: flex;
        background: #1A1A2E;
    }
    .admin-sidebar-nav {
        display: flex;
        width: 100%;
        justify-content: space-around;
        align-items: center;
    }
    .admin-sidebar-nav li { flex: 1; }
    .admin-sidebar-nav li a {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 2px;
        padding: 6px 0;
        font-size: 0.6rem;
        border-left: none;
        border-bottom: none;
        color: rgba(255,255,255,0.6);
    }
    .admin-sidebar-nav li a .icon { font-size: 1.2rem; }
    .admin-sidebar-nav li a.active {
        color: #4DA3FF;
        background: transparent;
        border-left: none;
    }

    /* 主内容 */
    .admin-main { padding: 12px; }
    .admin-page-title { font-size: 1.05rem; }
    .admin-page-desc { font-size: 0.78rem; margin-bottom: 12px; }

    /* 统计卡片 2 列 */
    .admin-stats-row { grid-template-columns: 1fr 1fr; gap: 8px; }
    .admin-stat-card { padding: 12px; }
    .admin-stat-value { font-size: 1.2rem; }
    .admin-stat-label { font-size: 0.7rem; }

    /* 表格横向滚动 */
    .admin-table-wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .admin-table { font-size: 0.75rem; min-width: 640px; }
    .admin-table th, .admin-table td { padding: 8px 10px; }

    /* 按钮 */
    .admin-btn { padding: 8px 12px; font-size: 0.78rem; }
    .admin-btn-sm { padding: 5px 8px; font-size: 0.72rem; }

    /* 弹窗 */
    .admin-modal { padding: 16px; max-width: 92%; max-height: 80vh; overflow-y: auto; }
    .admin-modal-actions { flex-wrap: wrap; }

    /* 筛选栏 */
    .filter-bar { flex-direction: column; gap: 6px; }
    .filter-bar select, .filter-bar input { width: 100%; padding: 8px; }

    /* 卡片 */
    .admin-card { padding: 12px; }
}