/* TrailLore — dark alpine theme */
:root {
  --bg: #0d1512;
  --bg2: #13201b;
  --card: #182a22;
  --card2: #1f3529;
  --line: #2b4636;
  --text: #eaf4ee;
  --muted: #9db8a9;
  --accent: #6fd08c;
  --accent2: #f4b860;
  --danger: #e5735f;
  --radius: 16px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ---------- header ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  background: linear-gradient(180deg, #14231c, var(--bg));
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-icon { font-size: 30px; }
.brand h1 {
  font-size: 22px; letter-spacing: 0.5px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.tag { font-size: 11.5px; color: var(--muted); margin-top: -2px; }

.view-toggle {
  display: flex; background: var(--card); border: 1px solid var(--line);
  border-radius: 999px; padding: 3px;
}
.view-toggle button {
  border: 0; background: transparent; color: var(--muted);
  padding: 7px 16px; border-radius: 999px; font-size: 13.5px; font-weight: 600;
  cursor: pointer; font-family: var(--font);
}
.view-toggle button.active { background: var(--accent); color: #0b1710; }

/* ---------- filters ---------- */
.filters {
  display: flex; gap: 8px; padding: 10px 16px; overflow-x: auto;
  flex-shrink: 0; scrollbar-width: none;
}
.filters::-webkit-scrollbar { display: none; }
.chip {
  border: 1px solid var(--line); background: var(--card); color: var(--muted);
  padding: 7px 14px; border-radius: 999px; font-size: 13px; font-weight: 600;
  cursor: pointer; white-space: nowrap; font-family: var(--font);
}
.chip.active { background: var(--card2); color: var(--text); border-color: var(--accent); }

/* ---------- views ---------- */
main { flex: 1; position: relative; min-height: 0; }
.view { position: absolute; inset: 0; }
.hidden { display: none !important; }

#map { background: #0a1210; }
.leaflet-container { font-family: var(--font); }
.pin {
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 50% 50% 50% 4px;
  transform: rotate(-45deg); border: 2px solid rgba(255,255,255,0.85);
  box-shadow: 0 3px 8px rgba(0,0,0,0.5);
  font-size: 16px;
}
.pin span { transform: rotate(45deg); }
.pin.iconic { background: #2e7d4f; }
.pin.notorious { background: #b6472f; }
.pin.both { background: #b98a2e; }
.leaflet-popup-content-wrapper {
  background: var(--card2); color: var(--text); border-radius: 12px;
  border: 1px solid var(--line);
}
.leaflet-popup-tip { background: var(--card2); }
.popup h4 { font-size: 15px; margin-bottom: 2px; }
.popup p { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.popup button {
  background: var(--accent); color: #0b1710; border: 0; border-radius: 8px;
  padding: 7px 12px; font-weight: 700; font-size: 12.5px; cursor: pointer;
  font-family: var(--font);
}

/* ---------- list ---------- */
#list { overflow-y: auto; padding: 6px 16px 90px; }
.hike-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; margin-bottom: 10px; cursor: pointer;
  transition: transform 0.12s ease, border-color 0.12s ease;
}
.hike-card:hover { transform: translateY(-1px); border-color: var(--accent); }
.hike-card .row1 { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.hike-card h3 { font-size: 16.5px; }
.hike-card .area { font-size: 12px; color: var(--muted); margin: 2px 0 6px; }
.hike-card .tagline { font-size: 13px; color: var(--text); opacity: 0.9; }
.hike-card .mini-stats { font-size: 11.5px; color: var(--muted); margin-top: 7px; }

.badges { display: flex; gap: 6px; }
.badge {
  font-size: 10.5px; font-weight: 700; letter-spacing: 0.4px;
  padding: 3px 9px; border-radius: 999px; text-transform: uppercase;
}
.badge.iconic { background: rgba(111, 208, 140, 0.16); color: var(--accent); }
.badge.notorious { background: rgba(229, 115, 95, 0.16); color: var(--danger); }

/* ---------- sheet ---------- */
.sheet-backdrop {
  position: fixed; inset: 0; background: rgba(4, 8, 6, 0.66);
  backdrop-filter: blur(3px); z-index: 900;
}
.sheet {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: 0; width: min(680px, 100%);
  max-height: 88vh;
  background: var(--bg2); border: 1px solid var(--line); border-bottom: 0;
  border-radius: 22px 22px 0 0;
  z-index: 950; display: flex; flex-direction: column;
  box-shadow: 0 -12px 48px rgba(0,0,0,0.55);
}
.sheet-scroll { overflow-y: auto; padding: 22px 22px 30px; }
.sheet-close {
  position: absolute; top: 12px; right: 14px; z-index: 2;
  background: var(--card2); color: var(--muted); border: 1px solid var(--line);
  width: 32px; height: 32px; border-radius: 50%; cursor: pointer; font-size: 14px;
}
.sheet h2 { font-size: 23px; margin: 8px 0 2px; }
.sheet .area { color: var(--muted); font-size: 13px; }
.stats { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0; }
.stat {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 7px 12px; font-size: 12.5px; color: var(--text);
}
.stat b { color: var(--accent2); font-weight: 700; }
.sheet .tagline { font-size: 14px; color: var(--muted); font-style: italic; margin-bottom: 16px; }

/* mode picker */
.mode-picker { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 14px; }
.mode-btn {
  background: var(--card); border: 1.5px solid var(--line); border-radius: 14px;
  color: var(--text); padding: 12px 8px; cursor: pointer; text-align: center;
  display: flex; flex-direction: column; gap: 3px; align-items: center;
  font-family: var(--font);
}
.mode-btn.active { border-color: var(--accent); background: var(--card2); }
.mode-emoji { font-size: 22px; }
.mode-name { font-size: 13px; font-weight: 700; }
.mode-desc { font-size: 10.5px; color: var(--muted); }

.options-row { display: flex; gap: 10px; margin-bottom: 14px; }
.opt { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.opt label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.opt select {
  background: var(--card); color: var(--text); border: 1px solid var(--line);
  border-radius: 10px; padding: 9px 10px; font-size: 13.5px; font-family: var(--font);
}

.play-btn {
  width: 100%; padding: 15px; border: 0; border-radius: 14px;
  background: linear-gradient(90deg, var(--accent), #4db374);
  color: #0b1710; font-size: 16px; font-weight: 800; cursor: pointer;
  font-family: var(--font);
  transition: filter 0.15s ease;
}
.play-btn:hover { filter: brightness(1.08); }
.play-btn:disabled { filter: grayscale(0.6) brightness(0.75); cursor: wait; }
.play-status { text-align: center; font-size: 12.5px; color: var(--accent2); margin-top: 10px; }

/* story box */
.story-box {
  margin-top: 18px; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px;
}
.story-box h3 { font-size: 18px; margin-bottom: 12px; color: var(--accent2); }
#transcript { display: flex; flex-direction: column; gap: 10px; }
.seg {
  font-size: 14.5px; line-height: 1.55; padding: 10px 13px; border-radius: 12px;
  background: var(--bg2); border: 1px solid transparent; opacity: 0.55;
  transition: opacity 0.2s ease, border-color 0.2s ease;
}
.seg.done { opacity: 0.8; }
.seg.now { opacity: 1; border-color: var(--accent); }
.seg .who {
  display: block; font-size: 10.5px; font-weight: 800; letter-spacing: 0.6px;
  text-transform: uppercase; margin-bottom: 3px;
}
.seg.sage .who { color: var(--accent); }
.seg.juni .who { color: var(--accent2); }
.seg.narrator .who { color: var(--muted); }

.story-actions { display: flex; gap: 8px; margin-top: 16px; }
.ctrl-btn {
  flex: 1; background: var(--card2); color: var(--text); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px; font-size: 13px; font-weight: 600; cursor: pointer;
  font-family: var(--font);
}
.ctrl-btn:hover { border-color: var(--accent); }

.foot {
  flex-shrink: 0; padding: 8px 16px; border-top: 1px solid var(--line);
  background: var(--bg);
}
.foot p { font-size: 10.5px; color: var(--muted); text-align: center; }

@media (max-width: 520px) {
  .mode-desc { display: none; }
  .brand h1 { font-size: 19px; }
  .sheet-scroll { padding: 18px 14px 26px; }
}

/* ---------- v2: heatmap radio ---------- */
.legend-row { align-items: center; }
.legend-label {
  font-size: 11px; color: var(--muted); text-transform: uppercase;
  letter-spacing: 0.5px; margin-right: 2px; white-space: nowrap;
}
.legend-chip {
  font-size: 11.5px; font-weight: 700; padding: 4px 12px; border-radius: 999px;
  white-space: nowrap;
}
.legend-chip.heat-low  { background: rgba(46, 125, 79, 0.25);  color: #7fd8a0; border: 1px solid #2e7d4f; }
.legend-chip.heat-mid  { background: rgba(185, 138, 46, 0.22); color: #ecc06a; border: 1px solid #b98a2e; }
.legend-chip.heat-high { background: rgba(182, 71, 47, 0.22);  color: #f0937d; border: 1px solid #b6472f; }

.heat-badge {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  width: 54px; height: 40px; border-radius: 12px; cursor: pointer;
  color: #fff; text-shadow: 0 1px 2px rgba(0,0,0,0.6);
  border: 1.5px solid rgba(255,255,255,0.75);
  box-shadow: 0 3px 10px rgba(0,0,0,0.45);
}
.heat-badge b { font-size: 15px; line-height: 1; }
.heat-badge span { font-size: 8.5px; text-transform: uppercase; letter-spacing: 0.4px; opacity: 0.9; }
.heat-badge.low  { background: #2e7d4f; }
.heat-badge.mid  { background: #b98a2e; }
.heat-badge.high { background: #b6472f; }

.track-pos {
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.5px; color: var(--muted);
  text-transform: uppercase; margin-bottom: 6px;
}
.story-text { font-size: 14.5px; line-height: 1.6; color: var(--text); opacity: 0.94; }
.up-next {
  margin-top: 12px; font-size: 12.5px; color: var(--accent2); text-align: center;
}