:root {
  --bg: #0e1726;
  --panel: #15203450;
  --panel-solid: #172339;
  --border: #25324d;
  --text: #e6edf7;
  --muted: #8da2c0;
  --accent: #2dd4bf;
  --accent-2: #38bdf8;
  --danger: #f87171;
  --good: #34d399;
  --warn: #fbbf24;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Inter, system-ui, sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, #16243f 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(14, 23, 38, 0.85);
  backdrop-filter: blur(10px);
  z-index: 500;
}
.brand { font-size: 20px; font-weight: 700; color: var(--text); }
.brand:hover { text-decoration: none; }
nav { display: flex; gap: 16px; align-items: center; }
nav a { color: var(--muted); font-size: 14px; }
nav a:hover { color: var(--text); text-decoration: none; }

main { max-width: 1100px; margin: 0 auto; padding: 26px 22px 80px; }

h1 { font-size: 24px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 28px 0 12px; color: var(--text); }
.subtitle { color: var(--muted); margin: 0 0 24px; }

.row { display: flex; gap: 16px; flex-wrap: wrap; }
.row > * { flex: 1 1 0; min-width: 0; }

.card {
  background: var(--panel-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.card.clickable { cursor: pointer; transition: border-color .15s, transform .1s; }
.card.clickable:hover { border-color: var(--accent); transform: translateY(-1px); }

.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: #04201c; border: none;
  padding: 10px 16px; border-radius: 10px; font-weight: 600; font-size: 14px;
  cursor: pointer; transition: opacity .15s;
}
.btn:hover { opacity: .9; }
.btn.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn.ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn.danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn.small { padding: 6px 12px; font-size: 13px; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 16px 0; }

input, select, textarea {
  width: 100%; background: #0d1626; color: var(--text);
  border: 1px solid var(--border); border-radius: 9px;
  padding: 10px 12px; font-size: 14px; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 5px; }

input[type="range"] { accent-color: var(--accent); padding: 0; }
input[type="checkbox"] { accent-color: var(--accent); }

.muted { color: var(--muted); }
.pill { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.pill.good { background: rgba(52,211,153,.15); color: var(--good); }
.pill.bad { background: rgba(248,113,113,.15); color: var(--danger); }
.pill.info { background: rgba(56,189,248,.15); color: var(--accent-2); }

#map, .map { height: 460px; border-radius: var(--radius); border: 1px solid var(--border); }

.stats { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); margin: 16px 0; }
.stat { background: var(--panel-solid); border: 1px solid var(--border); border-radius: 12px; padding: 14px; }
.stat .v { font-size: 22px; font-weight: 700; }
.stat .k { font-size: 12px; color: var(--muted); margin-top: 2px; }

.table-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 480px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }

.empty { text-align: center; color: var(--muted); padding: 40px 0; }
.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  background: var(--panel-solid); border: 1px solid var(--accent);
  padding: 12px 20px; border-radius: 10px; z-index: 1000; box-shadow: 0 10px 30px rgba(0,0,0,.4);
  max-width: calc(100vw - 32px); text-align: center;
}
.center-panel { max-width: 440px; margin: 60px auto; }

.hero {
  padding: 40px 0 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}
.hero-title {
  font-size: 38px;
  line-height: 1.15;
  margin: 0 0 14px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub { color: var(--muted); font-size: 16px; max-width: 640px; margin: 0 0 22px; }
@media (max-width: 600px) { .hero-title { font-size: 28px; } }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--muted); margin: 10px 2px; }
.legend span::before { content: ""; display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.legend .l-track::before { background: #38bdf8; }
.legend .l-corridor::before { background: rgba(45,212,191,.6); }
.legend .l-buoy::before { background: #fbbf24; border-radius: 50%; }
.legend .l-miss::before { background: #f87171; border-radius: 50%; }

/* ---- Адаптив ---- */
@media (max-width: 600px) {
  main { padding: 16px 10px 60px; }
  h1 { font-size: 20px; }
  #map, .map { height: 300px; }
  .stats { grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); }
  .stat .v { font-size: 18px; }
  .btn-row { gap: 8px; }
  .card { padding: 14px; }
  .center-panel { margin: 24px auto; }
  /* route-edit: форма буёв — координаты стекают */
  .row { gap: 10px; }
}

@media (max-width: 480px) {
  .topbar { padding: 10px 14px; }
  .brand { font-size: 17px; }
  nav { gap: 10px; }
  nav a { font-size: 13px; }
  /* hide secondary nav links that overflow */
  nav a:not(:first-child):not(:last-child):nth-child(n+4) { display: none; }
}