/* DSC · SA6BJU — mörk maritim ops-yta.
   Palett: sjökortsnavy + instrument-amber; kategorifärger följer maritim prioritet. */

:root {
  --sea-deep: #0b1520;      /* sida */
  --sea-panel: #101d2b;     /* paneler, rader */
  --sea-raised: #16283a;    /* hover, inputs */
  --line: #1e3244;          /* hårlinjer */
  --text: #c4d3e0;          /* dis-vitblå */
  --text-dim: #7c93a6;
  --amber: #ffb454;         /* instrumentbelysning — primär accent */
  --amber-dim: #b97f3a;
  --teal: #55b7c3;          /* sjökortsteal — länkar/sekundärt */
  --cat-distress: #ff5c5c;
  --cat-urgency: #ff9a3d;
  --cat-safety: #ffd166;
  --cat-routine: #6fb3d2;
  --cat-other: #8b9baa;
  --mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --disp: "Barlow Condensed", "Arial Narrow", sans-serif;
  --sans: system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { height: 100%; }
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1200px 500px at 70% -10%, #122233 0%, transparent 60%),
    var(--sea-deep);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.45;
}

:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }

/* ---------- Masthead ---------- */
.masthead {
  padding: 26px clamp(16px, 4vw, 44px) 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px clamp(24px, 5vw, 64px);
  align-items: end;
}
.callsign {
  margin: 0;
  font-family: var(--disp);
  font-weight: 700;
  font-size: clamp(34px, 5vw, 52px);
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--text);
}
.callsign .sep { color: var(--amber); }
.freq {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--text-dim);
}
.readout {
  display: flex;
  flex-wrap: wrap;
  gap: 8px clamp(18px, 3vw, 42px);
  justify-content: flex-end;
  margin: 0;
}
.readout div { text-align: right; }
.readout dt {
  font-family: var(--disp);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.readout dd {
  margin: 2px 0 0;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 20px;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}
.readout dd small { font-size: 12px; color: var(--text-dim); font-weight: 400; }

/* Signatur: 30-dagars aktivitet som FSK-burstremsa */
.burst-wrap {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0 12px;
}
#burst { width: 100%; height: 34px; display: block; }
#burst rect { fill: var(--amber); }
#burst rect.zero { fill: var(--line); }
.burst-label {
  font-family: var(--disp);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  white-space: nowrap;
}

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  gap: 4px;
  padding: 0 clamp(16px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
}
.tab {
  appearance: none;
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 12px 18px 10px;
  font-family: var(--disp);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  cursor: pointer;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--amber); border-bottom-color: var(--amber); }

main { padding: 18px clamp(16px, 4vw, 44px) 40px; }

/* ---------- Filter ---------- */
#filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: end;
  padding: 12px 14px;
  margin-bottom: 16px;
  background: var(--sea-panel);
  border: 1px solid var(--line);
}
#filters label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--disp);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}
#filters label.check { flex-direction: row; align-items: center; gap: 7px; padding-bottom: 8px; }
#filters input, #filters select {
  background: var(--sea-raised);
  border: 1px solid var(--line);
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  padding: 6px 8px;
  border-radius: 0;
  color-scheme: dark;
}
#filters button {
  background: var(--amber);
  border: 1px solid var(--amber);
  color: #16130b;
  font-family: var(--disp);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 7px 18px;
  cursor: pointer;
}
#filters button.ghost {
  background: none;
  border-color: var(--line);
  color: var(--text-dim);
}
#filters button:hover { filter: brightness(1.1); }

/* ---------- Tabell ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); background: var(--sea-panel); }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
thead th {
  font-family: var(--disp);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
tbody td {
  padding: 9px 12px;
  border-bottom: 1px solid rgba(30, 50, 68, 0.55);
  font-family: var(--mono);
  font-size: 13px;
  white-space: nowrap;
  vertical-align: middle;
}
tbody tr { cursor: pointer; }
tbody tr:hover { background: var(--sea-raised); }
tbody tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; }
.arrow-col { width: 20px; }
td.arrow { color: var(--amber-dim); padding: 0 2px; text-align: center; }
.mmsi { color: var(--text); }
.country { color: var(--text-dim); font-size: 11.5px; }
.kind { color: var(--teal); font-size: 11.5px; }
.time-cell { color: var(--text-dim); }
.time-cell b { color: var(--text); font-weight: 500; }
.pos-dot { color: var(--teal); margin-left: 6px; }

.badge {
  display: inline-block;
  font-family: var(--disp);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 2px 8px 1px;
  border: 1px solid currentColor;
}
.badge.distress { color: var(--cat-distress); }
.badge.urgency  { color: var(--cat-urgency); }
.badge.safety   { color: var(--cat-safety); }
.badge.routine  { color: var(--cat-routine); }
.badge.other    { color: var(--cat-other); }

.conf { color: var(--text-dim); }
.conf.full { color: var(--amber); }

.empty { padding: 28px; text-align: center; color: var(--text-dim); font-family: var(--mono); }

/* ---------- Pager ---------- */
.pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 16px 0 0;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-dim);
}
.pager button {
  background: none;
  border: 1px solid var(--line);
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  padding: 6px 14px;
  cursor: pointer;
}
.pager button:hover:not(:disabled) { border-color: var(--amber); color: var(--amber); }
.pager button:disabled { opacity: 0.35; cursor: default; }

/* ---------- Karta ---------- */
#map { height: min(68vh, 640px); border: 1px solid var(--line); background: var(--sea-panel); }
#map .leaflet-tile {
  filter: brightness(0.7) invert(1) contrast(1.05) hue-rotate(190deg) saturate(0.45) brightness(0.85);
}
.map-note { color: var(--text-dim); font-size: 13px; }
.leaflet-popup-content-wrapper, .leaflet-popup-tip {
  background: var(--sea-raised);
  color: var(--text);
  border-radius: 0;
}
.leaflet-popup-content { font-family: var(--mono); font-size: 12.5px; }
.leaflet-popup-content a { color: var(--amber); }
.leaflet-container .leaflet-control-attribution {
  background: rgba(11, 21, 32, 0.8);
  color: var(--text-dim);
}
.leaflet-container .leaflet-control-attribution a { color: var(--teal); }

/* ---------- Detaljpanel ---------- */
#detail-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 9, 14, 0.6);
  z-index: 900;
}
#detail {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(480px, 100vw);
  background: var(--sea-panel);
  border-left: 1px solid var(--line);
  z-index: 1000;
  overflow-y: auto;
  box-shadow: -18px 0 40px rgba(0, 0, 0, 0.5);
}
#detail > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: var(--sea-panel);
}
#detail h2 {
  margin: 0;
  font-family: var(--disp);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
#detail-close {
  background: none;
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 18px;
  line-height: 1;
  width: 32px;
  height: 32px;
  cursor: pointer;
}
#detail-close:hover { border-color: var(--amber); color: var(--amber); }
#detail-body { padding: 18px 20px 30px; }

.detail-cat { margin-bottom: 14px; }
.field-list { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 7px 16px; }
.field-list dt {
  font-family: var(--disp);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding-top: 2px;
}
.field-list dd { margin: 0; font-family: var(--mono); font-size: 13px; overflow-wrap: anywhere; }
.field-list dd .country { display: block; }

#detail audio { width: 100%; margin: 18px 0 4px; }
#detail-map { height: 220px; margin-top: 16px; border: 1px solid var(--line); }
.detail-note { color: var(--text-dim); font-size: 12px; }

/* ---------- Footer ---------- */
.site-footer {
  padding: 18px clamp(16px, 4vw, 44px);
  border-top: 1px solid var(--line);
  color: var(--text-dim);
  font-size: 12px;
  font-family: var(--mono);
}
.site-footer p { margin: 0; }

/* ---------- Mobil ---------- */
@media (max-width: 720px) {
  .masthead { grid-template-columns: 1fr; align-items: start; }
  .readout { justify-content: flex-start; }
  .readout div { text-align: left; }
  #filters { gap: 10px; }
  main { padding: 14px 10px 32px; }
}

@media (prefers-reduced-motion: no-preference) {
  #burst rect { transition: height 0.4s ease, y 0.4s ease; }
}