:root {
  --bg: #f6f3ee;
  --card: #fff;
  --ink: #1c1917;
  --muted: #6b6258;
  --line: #e8e0d6;
  --orange: #e85d04;
  --orange-ink: #fff;
  --ok: #2f9e44;
  --warn: #c92a2a;
  --chip: #fff4ea;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink); font: 15px/1.45 "Segoe UI", system-ui, sans-serif; }
.page { padding: 24px; }
.wrap { max-width: 720px; margin: 0 auto; }
.app { padding: 16px; max-width: 1100px; margin: 0 auto; }
.top { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; margin-bottom: 16px; }
.brand { font-size: 22px; font-weight: 700; letter-spacing: -0.03em; }
.muted { color: var(--muted); font-size: 13px; }
.btn { display: inline-flex; align-items: center; justify-content: center; background: var(--orange); color: var(--orange-ink); text-decoration: none; border: 0; border-radius: 10px; padding: 8px 14px; font-weight: 600; cursor: pointer; }
.btn.secondary { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; }
.grid-2, .grid-3 { display: grid; gap: 12px; margin-bottom: 16px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.tabs { display: flex; gap: 6px; margin: 8px 0 12px; }
.tab { background: transparent; border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; cursor: pointer; }
.tab.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.table-wrap { overflow: auto; background: var(--card); border: 1px solid var(--line); border-radius: 14px; }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); font-size: 13px; }
th { color: var(--muted); font-weight: 600; background: #faf7f2; position: sticky; top: 0; }
.chip { display: inline-block; background: var(--chip); color: #9a3412; border-radius: 999px; padding: 1px 8px; font-size: 11px; margin-right: 4px; }
.chip.warn { background: #ffe3e3; color: var(--warn); }
.stat { font-size: 26px; font-weight: 700; letter-spacing: -0.04em; }
.rank { margin: 8px 0 0; padding-left: 18px; }
.rank li { margin: 6px 0; }
.form { display: grid; gap: 10px; margin-top: 10px; }
label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
input { border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; font: inherit; color: var(--ink); }
.error, .banner { border-radius: 10px; padding: 10px 12px; }
.error { background: #ffe3e3; color: #842029; }
.banner { background: #e7f5ff; color: #1864ab; }
.empty { padding: 18px; }
.hidden { display: none !important; }
.log { white-space: pre-wrap; background: #1c1917; color: #f5f0e8; border-radius: 10px; padding: 12px; font-size: 12px; max-height: 240px; overflow: auto; }
h2 { font-size: 16px; margin: 0 0 4px; }
code { font-size: 12px; }
@media (max-width: 800px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .top { flex-direction: column; }
}