:root {
  --ink: #14212b;
  --muted: #5b6b77;
  --line: #dde3e8;
  --paper: #f6f8f9;
  --card: #ffffff;
  --sea: #1f5f8b;
  --sail: #1f6fb2;
  --motor: #d9822b;
  --slow: #8fb8dc;
  --limit: #c2372f;
  --call: #8a96a0;
  --ok: #2f7d4f;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }

.top { background: var(--ink); color: #fff; }
.top .wrap { display: flex; gap: 12px; align-items: baseline; padding-top: 14px; padding-bottom: 14px; }
.brand { font-weight: 700; letter-spacing: .02em; font-size: 18px; }
.top-title { color: #b9c6cf; font-size: 15px; }

.loading, .error { padding: 48px 0; color: var(--muted); }

.intro { padding: 28px 0 8px; }
.intro h1 { font-size: 26px; line-height: 1.25; margin: 0 0 12px; }
.intro p { margin: 0 0 12px; max-width: 70ch; }
.intro .boat { color: var(--muted); font-size: 15px; }

.changes { margin: 8px 0 0; padding-left: 20px; max-width: 75ch; }
.changes li { margin-bottom: 6px; }

.howto {
  display: flex; gap: 12px; align-items: flex-start;
  background: #e8f1f8; border-radius: var(--radius); padding: 14px 16px; margin: 20px 0;
  max-width: 75ch;
}
.howto i { font-size: 24px; color: var(--sea); margin-top: 2px; }
.howto p { margin: 0; }

.route {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  margin: 24px 0; overflow: hidden;
}
.route-head { padding: 18px 20px 10px; }
.route-head h2 { margin: 0; font-size: 21px; display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.route-n {
  display: inline-grid; place-items: center; min-width: 28px; height: 28px; border-radius: 14px;
  background: var(--ink); color: #fff; font-size: 14px; font-weight: 600;
}
.badge { font-size: 13px; font-weight: 500; padding: 2px 8px; border-radius: 6px; background: #eef2f5; color: var(--muted); }
.route-meta { color: var(--muted); font-size: 14px; margin-top: 4px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat { background: var(--card); padding: 10px 16px; }
.stat .k { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.stat .v { font-size: 20px; font-weight: 600; font-variant-numeric: tabular-nums; }
.stat .was { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }

.note { padding: 14px 20px; margin: 0; border-bottom: 1px solid var(--line); max-width: 85ch; }
.note b { font-weight: 600; }

.warn { padding: 0 20px 12px; display: flex; flex-direction: column; gap: 4px; }
.warn span { font-size: 14px; color: var(--limit); display: flex; gap: 6px; align-items: center; }

.map { height: 360px; border-bottom: 1px solid var(--line); background: #dfe9ef; }
.legend { display: flex; flex-wrap: wrap; gap: 14px; padding: 8px 20px; font-size: 13px; color: var(--muted); border-bottom: 1px solid var(--line); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.sw { display: inline-block; width: 22px; height: 0; border-top: 4px solid; }
.sw.sail { border-color: var(--sail); }
.sw.slow { border-color: var(--slow); }
.sw.motor { border-color: var(--motor); }
.sw.limit { border-color: var(--limit); }
.sw.call { border-top: 3px dashed var(--call); }

.wind-arrow { color: var(--ink); font-size: 18px; line-height: 1; text-shadow: 0 0 3px #fff, 0 0 3px #fff; }

details.legs { border-bottom: 1px solid var(--line); }
details.legs summary { padding: 12px 20px; cursor: pointer; font-weight: 600; font-size: 15px; }
.table-wrap { overflow-x: auto; padding: 0 0 8px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; font-variant-numeric: tabular-nums; }
th, td { padding: 6px 10px; text-align: right; white-space: nowrap; border-bottom: 1px solid #eef1f3; }
th { color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
th:first-child, td:first-child, th.l, td.l { text-align: left; }
tr.leg { cursor: pointer; }
tr.leg:hover, tr.leg.on { background: #f1f6fa; }
td .dot { display: inline-block; width: 10px; height: 10px; border-radius: 5px; margin-right: 6px; vertical-align: middle; }
td.bad { color: var(--limit); font-weight: 600; }

.feedback { padding: 16px 20px 20px; }
.feedback h3 { margin: 0 0 10px; font-size: 16px; }
textarea {
  width: 100%; min-height: 96px; resize: vertical; font: inherit; padding: 10px 12px;
  border: 1px solid var(--line); border-radius: 8px; background: #fbfcfd;
}
textarea:focus { outline: 2px solid #9cc3e3; border-color: transparent; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 10px; }
button {
  font: inherit; font-size: 15px; display: inline-flex; align-items: center; gap: 8px;
  border-radius: 8px; padding: 9px 14px; border: 1px solid var(--line); background: #fff; color: var(--ink); cursor: pointer;
}
button.primary { background: var(--sea); border-color: var(--sea); color: #fff; }
button.rec { border-color: #e4b4b0; color: var(--limit); }
button.rec.on { background: var(--limit); border-color: var(--limit); color: #fff; }
button:disabled { opacity: .5; cursor: default; }
.timer { font-variant-numeric: tabular-nums; color: var(--limit); font-weight: 600; }
.status { font-size: 14px; color: var(--muted); }
.status.ok { color: var(--ok); }
.status.err { color: var(--limit); }
.clip { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 10px; }
.clip audio { height: 36px; max-width: 100%; }
.sent { list-style: none; margin: 12px 0 0; padding: 0; font-size: 14px; color: var(--muted); }
.sent li { display: flex; gap: 6px; align-items: baseline; padding: 4px 0; }
.sent li i { color: var(--ok); }

.general { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); margin: 24px 0 48px; }

footer { color: var(--muted); font-size: 13px; padding: 0 0 40px; }

@media (max-width: 640px) {
  .intro h1 { font-size: 22px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .map { height: 300px; }
  .route-head, .note, .feedback { padding-left: 14px; padding-right: 14px; }
}