:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --card: #ffffff;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --hover: rgba(11, 11, 11, 0.04);
  --accent: #2a78d6;
  --accent-ink: #1c5cab;
  --s1: #2a78d6;  /* 번개장터 */
  --s2: #eb6834;  /* 당근 */
  --s3: #1baf7a;  /* 중고나라 */
  --good: #006300;
  --critical: #d03b3b;
  --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --card: #1a1a19; --ink: #ffffff; --ink-2: #c3c2b7; --muted: #898781;
    --grid: #2c2c2a; --axis: #383835; --border: rgba(255, 255, 255, 0.10); --hover: rgba(255, 255, 255, 0.05);
    --accent: #3987e5; --accent-ink: #86b6ef; --s1: #3987e5; --s2: #d95926; --s3: #199e70; --good: #0ca30c;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --card: #1a1a19; --ink: #ffffff; --ink-2: #c3c2b7; --muted: #898781;
  --grid: #2c2c2a; --axis: #383835; --border: rgba(255, 255, 255, 0.10); --hover: rgba(255, 255, 255, 0.05);
  --accent: #3987e5; --accent-ink: #86b6ef; --s1: #3987e5; --s2: #d95926; --s3: #199e70; --good: #0ca30c;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--page); color: var(--ink); font: 15px/1.5 var(--font); -webkit-font-smoothing: antialiased; }
a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.ink2 { color: var(--ink-2); }
.num { font-variant-numeric: tabular-nums; }

/* header */
.top { background: var(--card); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; }
.top .wrap { display: flex; align-items: center; gap: 16px; height: 60px; }
.logo { font-weight: 700; font-size: 18px; color: var(--ink); white-space: nowrap; }
.logo:hover { text-decoration: none; }
.search { flex: 1; display: flex; max-width: 520px; }
.search input { flex: 1; min-width: 0; height: 38px; padding: 0 14px; border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface); color: var(--ink); font: inherit; }
.search input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.nav { display: flex; gap: 14px; align-items: center; white-space: nowrap; }
.nav a { color: var(--ink-2); }
.theme-btn { border: 1px solid var(--border); background: transparent; color: var(--ink-2); border-radius: 8px; height: 32px;
  padding: 0 10px; cursor: pointer; font: inherit; font-size: 13px; }

main { padding: 24px 0 64px; }
h1 { font-size: 26px; margin: 0 0 4px; letter-spacing: -0.01em; }
h2 { font-size: 17px; margin: 32px 0 10px; }
.sub { color: var(--ink-2); margin: 0 0 20px; }

/* filters */
.filters { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; margin: 16px 0 20px; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 999px; padding: 3px; background: var(--card); }
.seg a { padding: 4px 12px; border-radius: 999px; color: var(--ink-2); font-size: 14px; white-space: nowrap; }
.seg a:hover { text-decoration: none; background: var(--hover); }
.seg a.on { background: var(--ink); color: var(--card); }
.seg a .cnt { color: inherit; opacity: 0.6; font-size: 12px; margin-left: 3px; }

/* price table */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); }
.table-scroll { overflow-x: auto; }
table.price { width: 100%; border-collapse: collapse; font-size: 14px; }
table.price th, table.price td { padding: 10px 12px; text-align: right; border-bottom: 1px solid var(--grid); white-space: nowrap; }
table.price th { font-weight: 600; color: var(--ink-2); font-size: 13px; background: var(--surface); }
table.price th:first-child, table.price td:first-child { text-align: left; position: sticky; left: 0; background: var(--card); }
table.price th:first-child { background: var(--surface); }
table.price tr:last-child td { border-bottom: 0; }
table.price tbody tr:hover td { background: var(--hover); }
table.price td a.cell { display: block; color: var(--ink); }
table.price td a.cell:hover { text-decoration: none; color: var(--accent-ink); }
table.price .p { font-weight: 600; font-variant-numeric: tabular-nums; }
table.price .n { color: var(--muted); font-size: 12px; margin-left: 4px; font-variant-numeric: tabular-nums; }
table.price .model a { color: var(--ink); font-weight: 600; }
.empty { color: var(--axis); }

/* recent cards */
.recent { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 10px; }
.item { display: flex; gap: 10px; padding: 10px; color: var(--ink); }
.item:hover { text-decoration: none; background: var(--hover); }
.thumb { width: 56px; height: 56px; border-radius: 8px; object-fit: cover; background: var(--grid); flex: none; }
.item .t { font-size: 14px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.item .meta { font-size: 12px; color: var(--muted); }
.item .pr { font-weight: 700; font-variant-numeric: tabular-nums; }

/* platform key: colored mark + ink text */
.pf { display: inline-flex; align-items: center; gap: 5px; color: var(--ink-2); font-size: 12px; white-space: nowrap; }
.pf::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--s1); }
.pf.s2::before { background: var(--s2); }
.pf.s3::before { background: var(--s3); }
.chip { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--border); color: var(--ink-2); white-space: nowrap; }
.chip.warn { border-color: var(--critical); color: var(--critical); }

/* stat tiles */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; margin-bottom: 20px; }
.tile { padding: 14px 16px; }
.tile .label { font-size: 13px; color: var(--ink-2); }
.tile .value { font-size: 26px; font-weight: 650; letter-spacing: -0.01em; margin-top: 2px; }
.tile .value.hero { font-size: 34px; }
.tile .foot { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* charts */
.chart { padding: 16px 16px 8px; margin-bottom: 20px; position: relative; }
.chart h3 { margin: 0; font-size: 15px; }
.chart .desc { margin: 2px 0 8px; font-size: 13px; color: var(--muted); }
.legend { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 4px; }
.chart .svgwrap { overflow-x: auto; }
.chart svg { display: block; width: 100%; min-width: 560px; height: auto; overflow: visible; }
.chart svg text { fill: var(--muted); font-size: 12px; font-family: var(--font); font-variant-numeric: tabular-nums; }
.chart svg text.rowlabel { fill: var(--ink-2); font-size: 13px; }
.chart svg text.medlabel { fill: var(--ink); font-size: 12px; font-weight: 600; paint-order: stroke; stroke: var(--card); stroke-width: 4px; stroke-linejoin: round; }
.chart .gridline { stroke: var(--grid); stroke-width: 1; }
.chart .baseline { stroke: var(--axis); stroke-width: 1; }
.chart .median { stroke: var(--ink); stroke-width: 2; stroke-linecap: round; }
.chart .dot { stroke: var(--card); stroke-width: 2; }
.chart .dot.s1 { fill: var(--s1); } .chart .dot.s2 { fill: var(--s2); } .chart .dot.s3 { fill: var(--s3); }
.chart .hit { fill: transparent; cursor: pointer; }
.chart .hit:hover + .dot, .chart .hit:focus + .dot { stroke: var(--ink); }
.chart .hit:focus { outline: none; }
.chart .line { fill: none; stroke: var(--s1); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .marker { fill: var(--s1); stroke: var(--card); stroke-width: 2; }
.chart .crosshair { stroke: var(--axis); stroke-width: 1; }
.tip { position: absolute; pointer-events: none; background: var(--card); border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 10px; font-size: 13px; box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12); max-width: 280px; z-index: 3; display: none; }
.tip .v { font-weight: 700; font-size: 15px; font-variant-numeric: tabular-nums; }
.tip .k { color: var(--ink-2); }
.tip .key { display: inline-block; width: 12px; height: 2px; vertical-align: middle; margin-right: 6px; background: var(--s1); }
.tip .key.s2 { background: var(--s2); } .tip .key.s3 { background: var(--s3); }
.note { font-size: 13px; color: var(--muted); }

/* listings table */
table.listings { width: 100%; border-collapse: collapse; font-size: 14px; }
table.listings td, table.listings th { padding: 10px; border-bottom: 1px solid var(--grid); text-align: left; vertical-align: middle; }
table.listings th { font-size: 13px; color: var(--ink-2); font-weight: 600; background: var(--surface); white-space: nowrap; }
table.listings td.price { text-align: right; font-weight: 650; font-variant-numeric: tabular-nums; white-space: nowrap; }
table.listings td.title a { color: var(--ink); }
table.listings td.title a:hover { color: var(--accent-ink); }
table.listings .sold td { opacity: 0.55; }
.out::after { content: " ↗"; color: var(--muted); font-size: 12px; }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 28px 0 10px; flex-wrap: wrap; }
.toolbar h2 { margin: 0; }
.crumb { font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.crumb a { color: var(--ink-2); }
.colors { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }

/* review */
.progress { height: 6px; background: var(--grid); border-radius: 999px; overflow: hidden; }
.progress > div { height: 100%; background: var(--accent); }
.rv { padding: 16px; margin-bottom: 12px; }
.rv.done-ok { border-left: 4px solid var(--good); }
.rv.done-wrong { border-left: 4px solid var(--critical); }
.rv.done-skip { border-left: 4px solid var(--axis); }
.rv .src { font-size: 15px; font-weight: 600; }
.rv .body { font-size: 13px; color: var(--ink-2); margin: 6px 0 12px; max-height: 6.5em; overflow: auto; white-space: pre-wrap; }
.rv .grid { display: grid; grid-template-columns: 90px 1fr 1fr 1fr; gap: 4px 10px; font-size: 13px; align-items: center; }
.rv .grid .h { color: var(--muted); font-size: 12px; }
.rv .grid input, .rv .grid select { width: 100%; font: inherit; font-size: 13px; padding: 4px 6px; border: 1px solid var(--border);
  border-radius: 6px; background: var(--surface); color: var(--ink); }
.rv .diff { color: var(--critical); }
.rv .actions { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; align-items: center; }
.btn { border: 1px solid var(--border); background: var(--card); color: var(--ink); border-radius: 8px; padding: 6px 14px; font: inherit;
  font-size: 14px; cursor: pointer; }
.btn:hover { background: var(--hover); }
.btn.ok { border-color: var(--good); color: var(--good); }
.btn.wrong { border-color: var(--critical); color: var(--critical); }
.rv.focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.policy { padding: 16px; margin-bottom: 20px; }
.policy label { display: block; margin: 4px 0; font-size: 14px; }
kbd { font: 12px var(--font); border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 4px; padding: 0 5px; color: var(--ink-2); }

@media (max-width: 640px) {
  .top .wrap { height: auto; flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; }
  .search { order: 3; flex-basis: 100%; max-width: none; }
  h1 { font-size: 22px; }
  .rv .grid { grid-template-columns: 70px 1fr; }
  .rv .grid .pred { display: none; }
  table.listings .hide-sm { display: none; }
}