:root {
  --bg: #f6f5f2;
  --surface: #ffffff;
  --fg: #1d2125;
  --muted: #646b73;
  --line: #e2e0db;
  --line-strong: #cfccc5;
  --accent: #1f6f78;
  --accent-soft: #e2f0f1;
  --row-hover: #f3f2ee;
  --bad: #9a3a2c;
  --warn-bg: #fbf1dc;
  --warn-fg: #7a5410;
  /* Discount scale, from "not a deal" to "very far under". */
  --d-neg: #8d949b;
  --d0: #6f7a72;
  --d1: #4f8a5c;
  --d2: #2f7d48;
  --d3: #146b38;
  --d4: #0b5a2e;
  --d4-bg: #dcefe1;
  --gl: #1d5f9e; --gl-bg: #e1ecf7;
  --in: #1f6f78; --in-bg: #e0f0ef;
  --ac: #8a5a12; --ac-bg: #f6ead3;
  --ot: #5d646b; --ot-bg: #ecebe8;
  --shadow: 0 1px 2px rgb(0 0 0 / .05), 0 2px 8px rgb(0 0 0 / .04);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #131517;
    --surface: #1b1e21;
    --fg: #e6e7e8;
    --muted: #9ba2a9;
    --line: #2b2f33;
    --line-strong: #3a3f44;
    --accent: #6cc3cb;
    --accent-soft: #1d3436;
    --row-hover: #212528;
    --bad: #f0907f;
    --warn-bg: #3a2f17;
    --warn-fg: #f1cf8a;
    --d-neg: #7d848b;
    --d0: #9aa79e;
    --d1: #8fc79c;
    --d2: #78d394;
    --d3: #5ee08a;
    --d4: #49ea83;
    --d4-bg: #183a25;
    --gl: #8cc0f2; --gl-bg: #1a2c3e;
    --in: #7fd0d6; --in-bg: #18312f;
    --ac: #e9be78; --ac-bg: #3a2e19;
    --ot: #b3b9bf; --ot-bg: #2a2e32;
    --shadow: none;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #131517; --surface: #1b1e21; --fg: #e6e7e8; --muted: #9ba2a9; --line: #2b2f33; --line-strong: #3a3f44;
  --accent: #6cc3cb; --accent-soft: #1d3436; --row-hover: #212528; --bad: #f0907f; --warn-bg: #3a2f17; --warn-fg: #f1cf8a;
  --d-neg: #7d848b; --d0: #9aa79e; --d1: #8fc79c; --d2: #78d394; --d3: #5ee08a; --d4: #49ea83; --d4-bg: #183a25;
  --gl: #8cc0f2; --gl-bg: #1a2c3e; --in: #7fd0d6; --in-bg: #18312f; --ac: #e9be78; --ac-bg: #3a2e19; --ot: #b3b9bf; --ot-bg: #2a2e32;
  --shadow: none; color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0 auto;
  max-width: 1280px;
  padding: 20px 16px 32px;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}
a { color: var(--accent); }
h1 { margin: 0; font-size: 1.45rem; letter-spacing: -.01em; }
h2 { margin: 0; font-size: 1.05rem; }
.sub { margin: 2px 0 0; color: var(--muted); font-size: .9rem; }
.muted { color: var(--muted); font-size: .85rem; }
.num, .tab-num { font-variant-numeric: tabular-nums; }

/* Header and tabs */
.top { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: end; justify-content: space-between; margin-bottom: 16px; }
.tabs { display: inline-flex; padding: 3px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.tabs button {
  font: inherit; font-size: .9rem; color: var(--muted); background: none; border: 0; border-radius: 7px;
  padding: 7px 14px; cursor: pointer; white-space: nowrap;
}
.tabs button[aria-selected="true"] { background: var(--accent-soft); color: var(--fg); font-weight: 600; }
.tabs button:focus-visible, .table-wrap:focus-visible, th button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.status { margin: 0 0 12px; min-height: 1.2em; color: var(--muted); font-size: .9rem; }
.status.error { color: var(--warn-fg); background: var(--warn-bg); padding: 8px 12px; border-radius: 8px; }

section { margin-top: 20px; }
.section-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 10px; flex-wrap: wrap; }

/* Alert cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.cards .empty { grid-column: 1 / -1; }
.empty { color: var(--muted); padding: 18px; border: 1px dashed var(--line-strong); border-radius: 10px; text-align: center; font-size: .9rem; }
.card {
  display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line);
  border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); min-width: 0;
}
.card .photo { position: relative; aspect-ratio: 5 / 3; background: var(--row-hover); }
.card .photo img { display: block; width: 100%; height: 100%; object-fit: cover; }
.card .photo .ph { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); font-size: .8rem; }
.card .photo .pill { position: absolute; top: 10px; left: 10px; }
.card .when { position: absolute; top: 10px; right: 10px; background: rgb(0 0 0 / .55); color: #fff; font-size: .72rem; padding: 2px 7px; border-radius: 99px; }
.card .body { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card .price-row { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.card .price { font-size: 1.3rem; font-weight: 650; font-variant-numeric: tabular-nums; }
.card .baseline { color: var(--muted); font-size: .85rem; font-variant-numeric: tabular-nums; }
.card .addr { font-weight: 550; overflow-wrap: anywhere; }
.card .place { color: var(--muted); font-size: .85rem; }
.card .facts { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: .85rem; font-variant-numeric: tabular-nums; }
.card .water { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: .85rem; }
.card .foot { margin-top: auto; padding-top: 8px; display: flex; justify-content: space-between; align-items: center; gap: 8px; border-top: 1px solid var(--line); font-size: .82rem; color: var(--muted); }
.card .foot a { font-weight: 600; white-space: nowrap; }

.pill {
  display: inline-block; font-size: .8rem; font-weight: 650; padding: 2px 8px; border-radius: 99px;
  font-variant-numeric: tabular-nums; background: var(--d4-bg); color: var(--d4);
}
.badge { display: inline-block; font-size: .72rem; font-weight: 600; padding: 1px 7px; border-radius: 99px; white-space: nowrap; }
.badge.great_lakes { color: var(--gl); background: var(--gl-bg); }
.badge.inland { color: var(--in); background: var(--in-bg); }
.badge.access { color: var(--ac); background: var(--ac-bg); }
.badge.other, .badge.unknown { color: var(--ot); background: var(--ot-bg); }

/* Filters */
.filters { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: end; margin: 0 0 12px; }
.filters label { display: flex; flex-direction: column; gap: 3px; font-size: .78rem; color: var(--muted); }
.filters label[hidden] { display: none; }
input, select {
  font: inherit; font-size: .9rem; color: var(--fg); background: var(--surface);
  border: 1px solid var(--line-strong); border-radius: 7px; padding: 6px 8px; min-width: 0;
}
input[type=number] { width: 8.5em; font-variant-numeric: tabular-nums; }
select { max-width: 14em; }

/* Table */
.table-wrap {
  overflow-x: auto; -webkit-overflow-scrolling: touch; background: var(--surface);
  border: 1px solid var(--line); border-radius: 10px;
}
table { border-collapse: collapse; width: 100%; font-size: .88rem; }
th, td { padding: 7px 10px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--row-hover); }
thead th { position: sticky; top: 0; background: var(--surface); font-weight: 600; font-size: .78rem; color: var(--muted); }
th button {
  font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer;
  display: inline-flex; gap: 4px; align-items: center; text-align: inherit;
}
th[aria-sort] button { color: var(--fg); }
th .arrow { font-size: .7rem; opacity: .8; }
th.num, td.num { text-align: right; font-variant-numeric: tabular-nums; }
th.num button { flex-direction: row-reverse; }
td.wrap { white-space: normal; min-width: 10em; max-width: 18em; }
td .small { display: block; color: var(--muted); font-size: .78rem; }
td.disc { font-weight: 650; }
.d-neg { color: var(--d-neg); }
.d0 { color: var(--d0); }
.d1 { color: var(--d1); }
.d2 { color: var(--d2); }
.d3 { color: var(--d3); }
.d4 { color: var(--d4); }
.pill.d1, .pill.d2, .pill.d3 { background: var(--d4-bg); }
.thin { color: var(--warn-fg); font-weight: 700; }
.alert-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--d3); margin-left: 6px; vertical-align: middle; }
.legend { margin: 8px 2px 0; }

/* Footer */
.stats { margin-top: 28px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: .82rem; display: flex; flex-wrap: wrap; gap: 6px 28px; }
.stats strong { color: var(--fg); font-weight: 600; }
.stats div { display: flex; flex-direction: column; gap: 2px; }

@media (max-width: 640px) {
  body { padding-top: 14px; }
  .top { align-items: start; }
  .tabs { width: 100%; }
  .tabs button { flex: 1; }
  .cards { grid-template-columns: 1fr; }
  .filters label { flex: 1 1 40%; }
  .filters input[type=number], .filters select { width: 100%; max-width: none; }
}