:root {
    --bg: #f5f6f8;
    --surface: #ffffff;
    --surface-2: #fafbfc;
    --border: #e3e6ea;
    --border-strong: #cfd4da;
    --text: #1f2430;
    --text-dim: #6b7280;
    --text-faint: #9aa1ac;
    --brand: #128c7e;
    --brand-dark: #0d6b60;
    --brand-soft: #e6f4f1;
    --danger: #d92d20;
    --danger-soft: #fdecea;
    --warning: #b54708;
    --warning-soft: #fff5e6;
    --success: #067647;
    --success-soft: #e7f6ee;
    --info: #175cd3;
    --info-soft: #eaf1fd;
    --radius: 8px;
    --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .04);
    --mono: "SFMono-Regular", "JetBrains Mono", Consolas, "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
}

body {
    background: var(--bg);
    color: var(--text);
    font: 14px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

code, .mono { font-family: var(--mono); font-size: 12.5px; }

/* ---------- 布局 ---------- */

.shell { display: flex; min-height: 100vh; }

.sidebar {
    width: 220px;
    flex: 0 0 220px;
    background: #1b2430;
    color: #c8cfd8;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
}

.sidebar .brand {
    padding: 20px 18px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.sidebar .brand strong { display: block; color: #fff; font-size: 15px; }
.sidebar .brand span { display: block; color: #7d8899; font-size: 11.5px; margin-top: 3px; }

.sidebar nav { padding: 10px 0; flex: 1; overflow-y: auto; }

.sidebar nav a {
    display: block;
    padding: 9px 18px;
    color: #c8cfd8;
    font-size: 13.5px;
    border-left: 3px solid transparent;
}

.sidebar nav a:hover { background: rgba(255, 255, 255, .05); color: #fff; text-decoration: none; }
.sidebar nav a.active { background: rgba(18, 140, 126, .18); border-left-color: var(--brand); color: #fff; }

.sidebar .foot {
    padding: 14px 18px;
    border-top: 1px solid rgba(255, 255, 255, .08);
    font-size: 12px;
    color: #7d8899;
}

.sidebar .foot form { margin-top: 8px; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 14px 26px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.topbar h1 { margin: 0; font-size: 17px; font-weight: 600; }
.topbar .hint { color: var(--text-dim); font-size: 12.5px; }

.content { padding: 22px 26px 60px; flex: 1; }

/* ---------- 卡片与栅格 ---------- */

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 18px;
}

.card > h2 {
    margin: 0;
    padding: 13px 18px;
    font-size: 14px;
    font-weight: 600;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.card > h2 small { font-weight: 400; color: var(--text-dim); font-size: 12px; }
.card .body { padding: 18px; }
.card .body.tight { padding: 0; }

.grid { display: grid; gap: 14px; }
.grid.c2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.c3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.c4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 1100px) {
    .grid.c4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid.c3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 700px) {
    .grid.c2, .grid.c3, .grid.c4 { grid-template-columns: 1fr; }
    .sidebar { display: none; }
}

.stat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 15px 17px;
    box-shadow: var(--shadow);
}

.stat .label { color: var(--text-dim); font-size: 12.5px; }
.stat .value { font-size: 25px; font-weight: 650; margin-top: 4px; letter-spacing: -.5px; }
.stat .sub { color: var(--text-faint); font-size: 12px; margin-top: 2px; }

/* ---------- 表单 ---------- */

label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 5px; }

input[type=text], input[type=password], input[type=date], input[type=number], input[type=search], select, textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    background: #fff;
    color: var(--text);
    font: inherit;
    font-size: 13.5px;
}

textarea { font-family: var(--mono); font-size: 12.5px; line-height: 1.55; resize: vertical; }

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(18, 140, 126, .12);
}

.field { margin-bottom: 14px; }
.field .help { color: var(--text-faint); font-size: 12px; margin-top: 4px; }

.inline { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.inline > * { flex: 0 0 auto; }
.inline .grow { flex: 1 1 180px; min-width: 140px; }

.radio-row { display: flex; flex-wrap: wrap; gap: 8px; }

.radio-card {
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    padding: 9px 13px;
    cursor: pointer;
    font-size: 13px;
    background: #fff;
    display: flex;
    gap: 8px;
    align-items: flex-start;
    margin-bottom: 0;
    color: var(--text);
}

.radio-card input { margin: 3px 0 0; }
.radio-card:hover { border-color: var(--brand); }
.radio-card.checked { border-color: var(--brand); background: var(--brand-soft); }
.radio-card .t { font-weight: 550; display: block; }
.radio-card .d { color: var(--text-dim); font-size: 12px; display: block; margin-top: 2px; }

/* ---------- 按钮 ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 15px;
    border-radius: 6px;
    border: 1px solid var(--border-strong);
    background: #fff;
    color: var(--text);
    font: inherit;
    font-size: 13.5px;
    cursor: pointer;
    white-space: nowrap;
}

.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: var(--brand-dark); border-color: var(--brand-dark); }
.btn.danger { background: #fff; border-color: #f0b4ae; color: var(--danger); }
.btn.danger:hover { background: var(--danger-soft); }
.btn.sm { padding: 5px 10px; font-size: 12.5px; }

/* ---------- 表格 ---------- */

.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }

th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }

th {
    background: var(--surface-2);
    font-weight: 600;
    font-size: 12.5px;
    color: var(--text-dim);
    white-space: nowrap;
    position: sticky;
    top: 0;
}

tbody tr:hover { background: var(--surface-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.nowrap { white-space: nowrap; }

.empty { padding: 44px 18px; text-align: center; color: var(--text-faint); }

/* ---------- 徽章 ---------- */

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 11.5px;
    line-height: 1.7;
    white-space: nowrap;
    border: 1px solid transparent;
}

.badge.gray { background: #f1f3f5; color: #495057; border-color: #e3e6ea; }
.badge.green { background: var(--success-soft); color: var(--success); border-color: #b7e4cb; }
.badge.blue { background: var(--info-soft); color: var(--info); border-color: #bcd4f8; }
.badge.orange { background: var(--warning-soft); color: var(--warning); border-color: #f6d9ae; }
.badge.red { background: var(--danger-soft); color: var(--danger); border-color: #f6c4bf; }
.badge.teal { background: var(--brand-soft); color: var(--brand-dark); border-color: #b3ded7; }

/* ---------- 提示条 ---------- */

.alert {
    padding: 11px 15px;
    border-radius: var(--radius);
    margin-bottom: 14px;
    border: 1px solid;
    font-size: 13.5px;
}

.alert.success { background: var(--success-soft); border-color: #b7e4cb; color: var(--success); }
.alert.danger { background: var(--danger-soft); border-color: #f6c4bf; color: var(--danger); }
.alert.warning { background: var(--warning-soft); border-color: #f6d9ae; color: var(--warning); }
.alert.info { background: var(--info-soft); border-color: #bcd4f8; color: var(--info); }

.notice {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-left: 3px solid var(--brand);
    border-radius: 6px;
    padding: 11px 14px;
    font-size: 12.8px;
    color: var(--text-dim);
    margin-bottom: 14px;
}

.notice strong { color: var(--text); }
.notice ul { margin: 6px 0 0; padding-left: 18px; }
.notice li { margin: 2px 0; }

/* ---------- 分页 ---------- */

.pager { display: flex; gap: 6px; align-items: center; padding: 12px 18px; flex-wrap: wrap; }
.pager .info { color: var(--text-dim); font-size: 12.5px; margin-right: auto; }
.pager a, .pager span.cur {
    padding: 5px 10px;
    border: 1px solid var(--border-strong);
    border-radius: 5px;
    font-size: 12.5px;
    background: #fff;
}
.pager span.cur { background: var(--brand); border-color: var(--brand); color: #fff; }
.pager a:hover { background: var(--surface-2); text-decoration: none; }

/* ---------- 详情定义表 ---------- */

.dl { display: grid; grid-template-columns: 170px 1fr; gap: 0; font-size: 13px; }
.dl dt { padding: 8px 0; color: var(--text-dim); border-bottom: 1px solid var(--border); }
.dl dd { padding: 8px 0; margin: 0; border-bottom: 1px solid var(--border); word-break: break-all; }
.dl dt:last-of-type, .dl dd:last-of-type { border-bottom: none; }

.secret {
    font-family: var(--mono);
    font-size: 12px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 3px 7px;
    display: inline-block;
    word-break: break-all;
}

/* ---------- 登录页 ---------- */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(155deg, #1b2430 0%, #10331f 100%);
    padding: 20px;
}

.login-box {
    width: 100%;
    max-width: 372px;
    background: var(--surface);
    border-radius: 12px;
    padding: 32px 30px;
    box-shadow: 0 18px 46px rgba(0, 0, 0, .3);
}

.login-box h1 { margin: 0 0 4px; font-size: 19px; }
.login-box .sub { color: var(--text-dim); font-size: 12.8px; margin-bottom: 22px; }
.login-box .btn { width: 100%; justify-content: center; padding: 10px; margin-top: 4px; }
.login-foot { text-align: center; color: var(--text-faint); font-size: 11.5px; margin-top: 18px; }

/* ---------- 杂项 ---------- */

.toolbar {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 11px 18px;
    border-bottom: 1px solid var(--border);
    background: var(--surface-2);
    flex-wrap: wrap;
}

.toolbar .count { color: var(--text-dim); font-size: 12.5px; margin-right: auto; }

.result-line { font-family: var(--mono); font-size: 12px; }
.muted { color: var(--text-dim); }
.faint { color: var(--text-faint); }
.right { text-align: right; }
.mt0 { margin-top: 0; }
.mb0 { margin-bottom: 0; }
.nowrap { white-space: nowrap; }

.split { display: flex; gap: 18px; align-items: flex-start; }
.split > .card { flex: 1; min-width: 0; }

@media (max-width: 900px) { .split { flex-direction: column; } .split > .card { width: 100%; } }