:root {
    color-scheme: light;
    --ink: #1c1915;
    --muted: #6d645b;
    --line: #e4ddd2;
    --paper: #f6f3ee;
    --card: #fffdf9;
    --green: #0f6b4c;
    --warn: #9a3412;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font: 15px/1.5 "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

main {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
    padding: 28px 0 64px;
}

h1, h2 { font-weight: 650; letter-spacing: 0; }
h1 { margin: 0; font-size: 32px; }
h2 { margin: 0; font-size: 18px; }

.eyebrow {
    margin: 0 0 4px;
    color: var(--green);
    font-size: 13px;
}

.top {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: end;
    margin-bottom: 12px;
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    justify-content: flex-end;
}

.ranges { display: flex; gap: 6px; }

select, .ranges a, a.ghost {
    font: inherit;
    color: var(--ink);
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.ranges a, a.ghost {
    padding: 7px 12px;
    text-decoration: none;
}

.ranges a.on {
    background: var(--ink);
    color: #fff;
    border-color: var(--ink);
}

a.ghost { background: transparent; }

.login-wrap {
    min-height: 70vh;
    display: grid;
    place-items: center;
}

.login {
    width: min(420px, 100%);
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 28px 24px;
}

.login h1 { margin-bottom: 16px; }

.login label {
    display: grid;
    gap: 8px;
    margin: 8px 0 16px;
}

.login input {
    font: inherit;
    color: var(--ink);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 10px 12px;
}

.login button {
    font: inherit;
    color: #fff;
    background: var(--ink);
    border: 0;
    border-radius: 8px;
    padding: 9px 18px;
    cursor: pointer;
}

select { padding: 7px 10px; max-width: 280px; }

label { color: var(--muted); display: flex; gap: 8px; align-items: center; }

.meta, .head p, .empty { color: var(--muted); }
.meta { margin: 0 0 18px; }

.banner {
    margin: 12px 0;
    padding: 12px 14px;
    background: #fff4ee;
    color: var(--warn);
    border-radius: 10px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 10px;
    margin-bottom: 18px;
}

.cards article {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px 14px;
}

.cards span, .cards small { display: block; color: var(--muted); font-size: 13px; }
.cards strong { display: block; margin-top: 4px; font-size: 22px; font-variant-numeric: tabular-nums; }
.cards .warn strong { color: var(--warn); }

.block {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 16px 18px 8px;
    margin-bottom: 14px;
}

.head { margin-bottom: 8px; }
.head p { margin: 4px 0 0; }

.fold { padding: 0; }
.fold summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 16px 18px;
    cursor: pointer;
    font-size: 18px;
    font-weight: 650;
    list-style: none;
}
.fold summary::-webkit-details-marker { display: none; }
.fold summary::after {
    content: "展开";
    color: var(--muted);
    font-size: 13px;
    font-weight: 450;
}
.fold details[open] summary::after { content: "收起"; }
.fold summary small {
    margin-left: 10px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 450;
}
.fold-body { padding: 0 18px 8px; }

.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.split.traffic {
    grid-template-columns: 1.2fr 1fr 0.8fr;
}

.split .block { margin: 0 0 14px; }

table { width: 100%; border-collapse: collapse; margin-bottom: 10px; }
th, td { text-align: left; padding: 8px 6px; border-top: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 550; font-size: 13px; }
td { font-variant-numeric: tabular-nums; }
.url { word-break: break-all; font-variant-numeric: normal; }
a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }

.bar {
    display: inline-block;
    height: 8px;
    margin-right: 8px;
    border-radius: 99px;
    background: var(--green);
    vertical-align: middle;
}

.trend { display: grid; gap: 6px; margin-bottom: 12px; max-height: 420px; overflow: auto; }
.trend div { display: grid; grid-template-columns: 108px 1fr 76px; gap: 8px; align-items: center; }
.trend span, .trend b { font-size: 13px; font-weight: 450; font-variant-numeric: tabular-nums; }
.trend b { text-align: right; }
.trend i { display: block; height: 8px; border-radius: 99px; background: #1f6f8b; }

.gap { margin-top: 16px; }
.empty { margin: 8px 0 16px; }

@media (max-width: 980px) {
    .cards { grid-template-columns: repeat(2, 1fr); }
    .split, .top { grid-template-columns: 1fr; display: grid; }
    .filters { justify-content: flex-start; }
}