:root {
    --bg: #f6f7f9;
    --panel: #ffffff;
    --line: #e3e6ea;
    --text: #1f2329;
    --muted: #6b7280;
    --brand: #1f4fd8;
    --warn: #b45309;
    --danger: #b91c1c;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 14px/1.6 -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
}

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

.topbar {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 12px 24px;
    background: #111827;
    color: #f9fafb;
}

.topbar .brand { color: #fff; font-weight: 600; font-size: 15px; }
.topbar nav { display: flex; gap: 16px; }
.topbar nav a { color: #d1d5db; }
.topbar .user { margin-left: auto; display: flex; gap: 12px; align-items: center; color: #d1d5db; }

main { max-width: 1180px; margin: 24px auto 64px; padding: 0 24px; }

h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 14px; margin: 0 0 12px; color: var(--muted); font-weight: 600; }

.page-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.muted { color: var(--muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.num { text-align: right; }
.warn-text { color: var(--warn); }

.card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 16px 20px;
    margin-bottom: 16px;
}

.columns { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }

dl { display: grid; grid-template-columns: 90px 1fr; gap: 6px 12px; margin: 0; }
dt { color: var(--muted); }
dd { margin: 0; }

table.grid { width: 100%; border-collapse: collapse; background: var(--panel); }
table.grid th, table.grid td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; }
table.grid th { background: #f3f4f6; font-weight: 600; color: var(--muted); font-size: 12px; }
table.grid tr:last-child td { border-bottom: none; }
table.grid td.num, table.grid th.num { text-align: right; }
.empty { text-align: center; color: var(--muted); padding: 32px 0; }

.tag {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 4px;
    background: #eef2ff;
    color: #3730a3;
    font-size: 12px;
    margin-left: 4px;
}
.tag.warn { background: #fef3c7; color: var(--warn); }

.status { display: inline-block; padding: 2px 8px; border-radius: 999px; background: #e5e7eb; font-size: 12px; }
.status.s80, .status.s90 { background: #dcfce7; color: #166534; }
.status.s0 { background: #f3f4f6; color: #374151; }
.status.s50, .status.s60 { background: #fef3c7; color: #92400e; }
.status.s70 { background: #dbeafe; color: #1e40af; }

.filters, .inline-form { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 16px; }

input, select, button, .btn {
    font: inherit;
    padding: 7px 10px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
    color: var(--text);
}

input:focus, select:focus { outline: 2px solid #bfdbfe; border-color: var(--brand); }

button, .btn { cursor: pointer; }
button.primary, .btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn { display: inline-block; }
button.link { border: none; background: none; color: var(--brand); padding: 0; }
button.link.danger { color: var(--danger); }
form.inline { display: inline; }
form.inline input { padding: 4px 8px; }

.banner { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; }
.banner.ok { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.banner.error { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { padding: 10px 0 10px 16px; border-left: 2px solid var(--line); position: relative; }
.timeline li::before {
    content: "";
    position: absolute;
    left: -5px; top: 16px;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--brand);
}
.timeline li.voided { opacity: .55; }
.timeline li.voided::before { background: var(--muted); }

.form-grid fieldset {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    padding: 16px 20px 20px;
    margin: 0 0 16px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px 20px;
}
.form-grid legend { padding: 0 6px; color: var(--muted); font-weight: 600; }
.form-grid label { display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: 13px; }
.form-grid label input { width: 100%; }
.form-grid .span-2 { grid-column: span 2; }
.form-grid .actions { display: flex; gap: 12px; }

.login-wrap { max-width: 360px; margin: 80px auto; background: var(--panel); padding: 28px; border: 1px solid var(--line); border-radius: 10px; }
.login-wrap h1 { margin-bottom: 16px; }
.login-wrap label { display: block; margin-bottom: 12px; color: var(--muted); font-size: 13px; }
.login-wrap input { width: 100%; margin-top: 4px; }
.login-wrap button { width: 100%; margin-top: 8px; }
.hint { color: var(--muted); font-size: 12px; margin-top: 16px; }

.pager { display: flex; gap: 12px; align-items: center; justify-content: center; margin-top: 16px; color: var(--muted); }
.check { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 13px; }