:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #16181d;
  --muted: #5d6470;
  --line: #dfe3e9;
  --accent: #1f6feb;
  --shadow: 0 2px 10px rgba(16, 20, 28, .12);
  --topbar-h: 52px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14161a;
    --panel: #1c1f25;
    --text: #e9ecf1;
    --muted: #9aa3b2;
    --line: #2b3038;
    --accent: #6ea8ff;
    --shadow: 0 2px 10px rgba(0, 0, 0, .5);
  }
}

:root[data-theme="dark"] {
  --bg: #14161a;
  --panel: #1c1f25;
  --text: #e9ecf1;
  --muted: #9aa3b2;
  --line: #2b3038;
  --accent: #6ea8ff;
  --shadow: 0 2px 10px rgba(0, 0, 0, .5);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

#app {
  display: grid;
  grid-template-rows: var(--topbar-h) 1fr;
  grid-template-columns: 340px 1fr;
  grid-template-areas: "top top" "panel map";
  height: 100%;
}

#topbar {
  grid-area: top;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow);
  z-index: 1000;
}

#topbar h1 {
  font-size: 16px;
  font-weight: 650;
  margin: 0;
  flex: 1;
}

#topbar button {
  font-size: 18px;
  line-height: 1;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
}

#topbar button:hover { border-color: var(--accent); }

#locate.active {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

/* Znacznik pozycji: kropka + stożek kierunku obracany według kompasu / GPS. */
.user-marker { background: none; border: 0; }

.user-arrow {
  position: relative;
  width: 40px;
  height: 40px;
  transform-origin: 50% 50%;
  transition: transform .25s ease-out;
}

/* Pulsująca poświata pod kropką. */
.user-arrow::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(66, 133, 244, .45) 0%, rgba(66, 133, 244, 0) 70%);
  animation: user-pulse 2s ease-out infinite;
}

@keyframes user-pulse {
  0% { transform: scale(.6); opacity: 1; }
  100% { transform: scale(1.8); opacity: 0; }
}

.user-dot {
  position: absolute;
  left: 12px;
  top: 12px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #8ab4ff 0%, #4285f4 45%, #1a56d6 100%);
  border: 2.5px solid #fff;
  box-shadow: 0 0 0 1px rgba(26, 86, 214, .5), 0 2px 6px rgba(0, 0, 0, .45);
}

.user-cone {
  position: absolute;
  left: 5px;
  top: -8px;
  width: 30px;
  height: 30px;
  background: linear-gradient(to top, rgba(66, 133, 244, .65), rgba(66, 133, 244, 0));
  clip-path: polygon(50% 100%, 12% 0, 88% 0);
}

.user-arrow.no-heading .user-cone { display: none; }

/* Przycisk „wyśrodkuj na mnie” na mapie (kontrolka Leaflet). */
.leaflet-control-center a {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  font-size: 20px;
  line-height: 1;
  color: #333;
  text-decoration: none;
}

.leaflet-control-center a.active { color: #4285f4; }
#menu-toggle { display: none; }

#panel {
  grid-area: panel;
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--panel);
  border-right: 1px solid var(--line);
}

#filters {
  padding: 12px;
  border-bottom: 1px solid var(--line);
}

#filters h2 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  margin: 0 0 8px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
}

.chip[aria-pressed="true"] {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.chip .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, .35);
}

.search { display: block; margin-top: 10px; }

.search input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

.near {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

#summary {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.offline-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}

#offline-btn {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}

#offline-btn:hover { border-color: var(--accent); }
#offline-btn:disabled { opacity: .6; cursor: default; }
#offline-status { font-size: 12.5px; color: var(--muted); }

#trail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  flex: 1;
}

#trail-list li {
  border-bottom: 1px solid var(--line);
}

#trail-list button {
  display: grid;
  grid-template-columns: 6px 1fr;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

#trail-list button:hover { background: var(--bg); }
#trail-list button[aria-current="true"] { background: var(--bg); box-shadow: inset 3px 0 0 var(--accent); }
#trail-list .stripe { border-radius: 3px; }
#trail-list .name { display: block; font-weight: 600; }

#trail-list .meta {
  display: block;
  color: var(--muted);
  font-size: 12.5px;
  margin-top: 2px;
}

#credits {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11.5px;
}

#credits a { color: var(--accent); }

#map {
  grid-area: map;
  height: 100%;
  background: var(--bg);
}

#loading {
  position: fixed;
  inset: var(--topbar-h) 0 0 0;
  display: grid;
  place-items: center;
  background: var(--bg);
  color: var(--muted);
  z-index: 1200;
}

#loading[hidden] { display: none; }

.leaflet-popup-content { font: 14px/1.4 system-ui, sans-serif; }
.leaflet-popup-content h3 { margin: 0 0 4px; font-size: 15px; }
.leaflet-popup-content p { margin: 2px 0; color: #444; }
.leaflet-popup-content a { color: #1f6feb; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

@media (max-width: 760px) {
  #app {
    grid-template-columns: 1fr;
    grid-template-areas: "top" "map";
  }

  #menu-toggle { display: block; }

  #panel {
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    bottom: 0;
    width: min(88vw, 340px);
    z-index: 1100;
    box-shadow: var(--shadow);
    transform: translateX(-102%);
    transition: transform .2s ease;
  }

  #panel.open { transform: none; }
}