/* ==========================================================================
   千川看门狗 — 后台样式
   依赖：public/static/vendor/bootstrap.min.css、bootstrap-icons.css
   ========================================================================== */

:root {
    --qc-sidebar-w: 232px;
    --qc-sidebar-bg: #1f2733;
    --qc-sidebar-hover: #2b3646;
    --qc-sidebar-active: #2f6fed;
    --qc-sidebar-text: #b7c0cd;
    --qc-primary: #2f6fed;
    --qc-danger: #f5576c;
    --qc-warning: #f0a020;
    --qc-info: #4a90e2;
    --qc-success: #22b07d;
    --qc-border: #e6e9ef;
    --qc-body-bg: #f5f7fa;
    --qc-text: #2c3444;
    --qc-muted: #8a93a3;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--qc-body-bg);
    color: var(--qc-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                 "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
}

a { text-decoration: none; }

/* ---------- 布局 ---------- */
.qc-layout { display: flex; min-height: 100vh; }

.qc-sidebar {
    width: var(--qc-sidebar-w);
    flex: 0 0 var(--qc-sidebar-w);
    background: var(--qc-sidebar-bg);
    color: var(--qc-sidebar-text);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; bottom: 0; left: 0;
    z-index: 1030;
    overflow-y: auto;
}

.qc-sidebar::-webkit-scrollbar { width: 6px; }
.qc-sidebar::-webkit-scrollbar-thumb { background: #3a4557; border-radius: 3px; }

.qc-brand {
    display: flex; align-items: center; gap: 10px;
    padding: 18px 20px;
    color: #fff;
    font-size: 16px; font-weight: 600;
    border-bottom: 1px solid rgba(255, 255, 255, .07);
}

.qc-brand .logo {
    width: 32px; height: 32px; border-radius: 8px;
    background: linear-gradient(135deg, #2f6fed, #6f9bff);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 700; color: #fff;
    flex: 0 0 32px;
}

.qc-nav { padding: 12px 10px 24px; flex: 1; }

.qc-nav-group {
    padding: 14px 12px 6px;
    font-size: 11px; letter-spacing: .08em;
    color: #5f6b7d; text-transform: uppercase;
}

.qc-nav a {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 12px; margin-bottom: 2px;
    border-radius: 8px;
    color: var(--qc-sidebar-text);
    font-size: 14px;
    transition: background .15s, color .15s;
}

.qc-nav a:hover { background: var(--qc-sidebar-hover); color: #fff; }
.qc-nav a.active { background: var(--qc-sidebar-active); color: #fff; font-weight: 500; }
.qc-nav a i { font-size: 16px; width: 18px; text-align: center; }
.qc-nav a .badge { margin-left: auto; font-size: 11px; }

.qc-main {
    margin-left: var(--qc-sidebar-w);
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.qc-topbar {
    height: 58px;
    background: #fff;
    border-bottom: 1px solid var(--qc-border);
    display: flex; align-items: center;
    padding: 0 22px;
    position: sticky; top: 0; z-index: 1020;
}

.qc-topbar .page-title { font-size: 16px; font-weight: 600; }
.qc-topbar .spacer { flex: 1; }

.qc-content { padding: 20px 22px 40px; }

/* ---------- 卡片 ---------- */
.qc-card {
    background: #fff;
    border: 1px solid var(--qc-border);
    border-radius: 10px;
    margin-bottom: 18px;
}

.qc-card > .qc-card-head {
    padding: 14px 18px;
    border-bottom: 1px solid var(--qc-border);
    display: flex; align-items: center; gap: 10px;
    font-weight: 600;
}

.qc-card > .qc-card-head .spacer { flex: 1; }
.qc-card > .qc-card-body { padding: 18px; }
.qc-card > .qc-card-body.p-0 { padding: 0; }

/* ---------- KPI 卡片 ---------- */
.qc-kpi {
    background: #fff;
    border: 1px solid var(--qc-border);
    border-radius: 10px;
    padding: 16px 18px;
    height: 100%;
}

.qc-kpi .label { color: var(--qc-muted); font-size: 13px; margin-bottom: 6px; }
.qc-kpi .value { font-size: 24px; font-weight: 600; line-height: 1.2; font-variant-numeric: tabular-nums; }
.qc-kpi .unit { font-size: 13px; font-weight: 400; color: var(--qc-muted); margin-left: 3px; }
.qc-kpi .delta { font-size: 12px; margin-top: 6px; }
.qc-kpi .delta.up { color: #e5504a; }
.qc-kpi .delta.down { color: var(--qc-success); }
.qc-kpi .delta.flat { color: var(--qc-muted); }

/* ---------- 表格 ---------- */
.qc-table { width: 100%; margin: 0; font-size: 13.5px; }
.qc-table thead th {
    background: #fafbfc;
    border-bottom: 1px solid var(--qc-border);
    padding: 11px 14px;
    font-weight: 600;
    color: #5b6472;
    white-space: nowrap;
    font-size: 13px;
}
.qc-table tbody td {
    padding: 11px 14px;
    border-bottom: 1px solid #f0f2f5;
    vertical-align: middle;
}
.qc-table tbody tr:hover { background: #fafbff; }
.qc-table tbody tr:last-child td { border-bottom: none; }
.qc-table .num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.qc-table .nowrap { white-space: nowrap; }

.qc-empty { padding: 56px 20px; text-align: center; color: var(--qc-muted); }
.qc-empty i { font-size: 42px; display: block; margin-bottom: 12px; opacity: .35; }

/* ---------- 徽标 ---------- */
.qc-badge {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 20px;
    font-size: 12px;
    line-height: 18px;
    white-space: nowrap;
}
.qc-badge.gray   { background: #eef0f4; color: #6b7484; }
.qc-badge.green  { background: #e5f7f0; color: #14855d; }
.qc-badge.blue   { background: #e8f1fe; color: #2f6fed; }
.qc-badge.orange { background: #fef3e2; color: #b8760a; }
.qc-badge.red    { background: #fdeaea; color: #cf3b39; }

/* 告警级别色条 */
.qc-level { display: inline-flex; align-items: center; gap: 6px; }
.qc-level::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--qc-muted); }
.qc-level.info::before     { background: var(--qc-info); }
.qc-level.warning::before  { background: var(--qc-warning); }
.qc-level.critical::before { background: var(--qc-danger); }

/* ---------- 工具条 ---------- */
.qc-toolbar {
    display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--qc-border);
    background: #fff;
    border-radius: 10px 10px 0 0;
}
.qc-toolbar .spacer { flex: 1; }

.qc-filter { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.qc-filter .form-control, .qc-filter .form-select { min-width: 130px; width: auto; }

/* ---------- 分页 ---------- */
.qc-pager {
    display: flex; align-items: center; gap: 10px;
    padding: 14px 18px;
    border-top: 1px solid var(--qc-border);
    font-size: 13px; color: var(--qc-muted);
}
.qc-pager .spacer { flex: 1; }

/* ---------- 登录页 ---------- */
.qc-auth-wrap {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #1f2733 0%, #2f4166 55%, #2f6fed 100%);
    padding: 24px;
}
.qc-auth-card {
    width: 100%; max-width: 400px;
    background: #fff; border-radius: 14px;
    padding: 36px 34px 30px;
    box-shadow: 0 18px 50px rgba(0, 0, 0, .22);
}
.qc-auth-card .brand {
    display: flex; align-items: center; gap: 12px; margin-bottom: 26px;
}
.qc-auth-card .brand .logo {
    width: 44px; height: 44px; border-radius: 12px;
    background: linear-gradient(135deg, #2f6fed, #6f9bff);
    color: #fff; font-weight: 700; font-size: 17px;
    display: flex; align-items: center; justify-content: center;
}
.qc-auth-card .brand h1 { font-size: 19px; margin: 0; font-weight: 600; }
.qc-auth-card .brand p { margin: 2px 0 0; font-size: 12.5px; color: var(--qc-muted); }

/* ---------- Toast ---------- */
#qc-toast-box {
    position: fixed; top: 18px; left: 50%; transform: translateX(-50%);
    z-index: 20000; display: flex; flex-direction: column; gap: 8px;
    pointer-events: none;
}
.qc-toast {
    min-width: 220px; max-width: 480px;
    padding: 11px 18px; border-radius: 8px;
    background: #2c3444; color: #fff; font-size: 13.5px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
    animation: qc-toast-in .18s ease-out;
    display: flex; align-items: center; gap: 8px;
}
.qc-toast.success { background: #22b07d; }
.qc-toast.error   { background: #e5504a; }
.qc-toast.warning { background: #e0940f; }
@keyframes qc-toast-in { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

/* ---------- 其它 ---------- */
.qc-loading { padding: 44px; text-align: center; color: var(--qc-muted); }

.qc-chart { width: 100%; height: 320px; }
.qc-chart.sm { height: 240px; }

.qc-kv { display: grid; grid-template-columns: 132px 1fr; gap: 10px 14px; font-size: 13.5px; }
.qc-kv dt { color: var(--qc-muted); font-weight: 400; margin: 0; }
.qc-kv dd { margin: 0; word-break: break-all; }

.qc-mono {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12.5px;
}

pre.qc-pre {
    background: #f7f8fa; border: 1px solid var(--qc-border);
    border-radius: 8px; padding: 12px 14px; margin: 0;
    font-size: 12.5px; max-height: 320px; overflow: auto;
    white-space: pre-wrap; word-break: break-all;
}

.qc-check-row {
    display: flex; align-items: flex-start; gap: 10px;
    padding: 11px 0; border-bottom: 1px solid #f0f2f5;
}
.qc-check-row:last-child { border-bottom: none; }
.qc-check-row .mark { font-size: 16px; line-height: 1.3; flex: 0 0 20px; }
.qc-check-row .mark.ok { color: var(--qc-success); }
.qc-check-row .mark.no { color: var(--qc-danger); }
.qc-check-row .name { font-weight: 500; }
.qc-check-row .value { color: #5b6472; font-size: 13px; }
.qc-check-row .hint { color: var(--qc-muted); font-size: 12.5px; margin-top: 2px; }

.qc-modal-lg { max-width: 860px; }
.qc-modal-xl { max-width: 1080px; }

@media (max-width: 992px) {
    .qc-sidebar { transform: translateX(-100%); transition: transform .2s; }
    .qc-sidebar.show { transform: none; }
    .qc-main { margin-left: 0; }
}