:root {
  --bg: #f7f7f8; --fg: #1a1d21; --card: #ffffff; --border: #d9dce1; --muted: #6b7280;
  --accent: #1d4ed8; --ok: #047857; --ok-bg: #ecfdf5; --warn: #b45309; --warn-bg: #fffbeb;
  --info: #475569; --info-bg: #f1f5f9; --auto: #6d28d9; --auto-bg: #f5f3ff; --closed: #374151; --closed-bg: #f3f4f6; --hold: #b91c1c; --hold-bg: #fef2f2;
  --overdue: #b91c1c;
}
[data-theme="dark"] {
  --bg: #16181d; --fg: #e6e8eb; --card: #1e2126; --border: #33373e; --muted: #9aa3ad;
  --accent: #60a5fa; --ok: #34d399; --ok-bg: #0f2a22; --warn: #fbbf24; --warn-bg: #2a2110;
  --info: #cbd5e1; --info-bg: #1f2937; --auto: #c4b5fd; --auto-bg: #241b3d; --closed: #d1d5db; --closed-bg: #26292f; --hold: #fca5a5; --hold-bg: #2f1a1a;
  --overdue: #f87171;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 14px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); text-decoration: none; }
.topbar { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--card) 90%, transparent); backdrop-filter: blur(6px); border-bottom: 1px solid var(--border); }
.topbar-inner { max-width: 1600px; margin: 0 auto; padding: 8px 16px; display: flex; align-items: center; gap: 16px; }
.brand { font-weight: 700; color: var(--fg); }
nav a { margin-right: 12px; color: var(--muted); padding: 4px 0; border-bottom: 2px solid transparent; }
nav a.active { color: var(--fg); border-bottom-color: var(--accent); }
.spacer { flex: 1; }
.btn-ghost { background: none; border: 1px solid var(--border); color: var(--fg); border-radius: 8px; padding: 4px 10px; cursor: pointer; }
.page { max-width: 1600px; margin: 0 auto; padding: 16px; }
.page.center { display: flex; justify-content: center; padding-top: 80px; }
.muted { color: var(--muted); } .small { font-size: 12px; } .num { font-variant-numeric: tabular-nums; }
.toolbar { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 16px; margin-bottom: 14px; }
.inline label { margin-right: 12px; color: var(--muted); font-size: 12px; }
select, input, textarea, button { font: inherit; color: var(--fg); background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 6px 8px; }
button[type=submit] { background: var(--accent); color: #fff; border-color: var(--accent); cursor: pointer; }
.stats { display: flex; gap: 8px; flex-wrap: wrap; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 6px 12px; min-width: 120px; }
.stat .num { font-size: 20px; font-weight: 600; } .stat .num.small { font-size: 15px; }
.stat .lbl { color: var(--muted); font-size: 12px; }
.stat.ok { border-color: var(--ok); background: var(--ok-bg); } .stat.warn { border-color: var(--warn); background: var(--warn-bg); }
.kanban { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(280px, 1fr); gap: 12px; overflow-x: auto; padding-bottom: 12px; }
.lane { background: var(--card); border: 1px solid var(--border); border-radius: 12px; border-top: 3px solid var(--info); display: flex; flex-direction: column; min-height: 200px; }
.lane-paid { border-top-color: var(--ok); } .lane-waiting { border-top-color: var(--warn); } .lane-auto { border-top-color: var(--auto); } .lane-closed { border-top-color: var(--closed); } .lane-hold { border-top-color: var(--hold); }
.lane-head { padding: 10px 12px; border-bottom: 1px solid var(--border); }
.lane-title { font-weight: 600; } .lane-count { float: right; color: var(--muted); font-variant-numeric: tabular-nums; }
.cards { padding: 8px; display: flex; flex-direction: column; gap: 8px; max-height: 78vh; overflow-y: auto; }
.card { display: block; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; color: var(--fg); }
.card:hover { border-color: var(--accent); }
.card-top { display: flex; align-items: baseline; gap: 8px; }
.ref { font-weight: 600; } .amt { margin-left: auto; font-variant-numeric: tabular-nums; }
.chip { font-size: 11px; border: 1px solid var(--border); border-radius: 999px; padding: 0 6px; color: var(--muted); }
.vendor { margin-top: 2px; } .vendor.big { font-size: 16px; margin-bottom: 10px; }
.rule { margin-top: 4px; font-family: ui-monospace, monospace; font-size: 11px; color: var(--warn); }
.reason { margin-top: 4px; font-size: 13px; }
.meta { margin-top: 6px; color: var(--muted); font-size: 12px; display: flex; gap: 10px; flex-wrap: wrap; }
.overdue { color: var(--overdue); font-weight: 600; }
.empty { padding: 12px; text-align: center; }
.detail { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 16px; margin-top: 8px; }
.detail-main, .detail-side, .tablecard { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.detail-side h3 { margin: 0 0 6px; font-size: 13px; color: var(--muted); }
.detail-side form { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
h1 { font-size: 20px; margin: 0 0 4px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
h2 { font-size: 15px; margin: 18px 0 8px; }
.lane-badge { font-size: 12px; border-radius: 999px; padding: 2px 10px; white-space: nowrap; background: var(--info-bg); color: var(--info); font-weight: 500; }
.lane-badge.lane-paid { background: var(--ok-bg); color: var(--ok); } .lane-badge.lane-waiting { background: var(--warn-bg); color: var(--warn); }
.lane-badge.lane-auto { background: var(--auto-bg); color: var(--auto); } .lane-badge.lane-closed { background: var(--closed-bg); color: var(--closed); } .lane-badge.lane-hold { background: var(--hold-bg); color: var(--hold); }
table.kv { border-collapse: collapse; width: 100%; } table.kv th { text-align: left; color: var(--muted); font-weight: 500; width: 200px; padding: 6px 10px 6px 0; vertical-align: top; }
table.kv td { padding: 6px 0; border-bottom: 1px solid var(--border); } .links a { margin-right: 12px; }
.timeline { list-style: none; padding: 0; margin: 0; } .timeline li { padding: 6px 0; border-bottom: 1px solid var(--border); }
.timeline .ts { color: var(--muted); font-variant-numeric: tabular-nums; margin-right: 8px; }
.kind { font-size: 11px; border-radius: 4px; padding: 0 5px; background: var(--info-bg); color: var(--info); margin-right: 6px; }
.kind-status { background: var(--warn-bg); color: var(--warn); } .kind-created { background: var(--ok-bg); color: var(--ok); }
details.extra pre { font-size: 12px; overflow-x: auto; background: var(--bg); padding: 8px; border-radius: 8px; }
table.tbl { border-collapse: collapse; width: 100%; } table.tbl th { text-align: left; color: var(--muted); font-size: 11px; text-transform: uppercase; padding: 6px 10px; border-bottom: 1px solid var(--border); }
table.tbl td { padding: 6px 10px; border-bottom: 1px solid var(--border); } table.tbl tbody tr:nth-child(even) { background: color-mix(in srgb, var(--bg) 60%, var(--card)); } table.tbl tbody tr:hover { background: var(--info-bg); }
.prose { max-width: 900px; } .prose code { background: var(--info-bg); padding: 0 4px; border-radius: 4px; }
.login { min-width: 320px; text-align: center; }
@media (max-width: 800px) { .detail { grid-template-columns: 1fr; } .kanban { grid-auto-columns: 85vw; } }

.itemnav { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 12px; font-size: 13px; }
.itemnav a, .itemnav .navbtn-off { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--card); text-decoration: none; color: var(--fg); font-weight: 600; min-width: 130px; justify-content: center; }
.itemnav a:hover { border-color: var(--accent); color: var(--accent); box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.itemnav .navbtn-off { opacity: .45; cursor: default; }

a.stat { color: var(--fg); display: block; } a.stat:hover { border-color: var(--accent); }
.tablecard > table.tbl td, .tablecard > table.tbl th { vertical-align: top; }