/* Summer Ski Lines — mobile-first, Folia design system (docs/DESIGN_SYSTEM.md).
   Slate spine + foliage green accent, Inter for text, JetBrains Mono for data.
   Layout: map hero, then a plain scrolling report. No bottom sheet — scroll
   is the gesture; the map uses cooperative gestures so it never hijacks it. */

:root {
  --slate-950: #020617; --slate-900: #0f172a; --slate-800: #1e293b;
  --slate-700: #334155; --slate-600: #475569; --slate-500: #64748b;
  --slate-400: #94a3b8; --slate-300: #cbd5e1; --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --green-500: #22c55e; --green-400: #4ade80; --green-300: #86efac;
  --amber-400: #fbbf24;
  --sans: 'Inter', -apple-system, system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
}

* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--slate-950); color: var(--slate-300);
  font-family: var(--sans); font-size: 15px; line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--green-400); text-decoration: none; }
.mono { font-family: var(--mono); }
:focus-visible { outline: 2px solid var(--green-400); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* ── Hero: the map is the app (info panel hidden per product direction) ── */
#hero { position: relative; height: 100vh; height: 100dvh; }
#map { position: absolute; inset: 0; background: var(--slate-950); }
#content { display: none; }

#mast {
  position: absolute; top: 0; left: 0; right: 0; z-index: 20;
  padding: calc(env(safe-area-inset-top) + 10px) 14px 16px;
  background: linear-gradient(to bottom, rgba(2,6,23,.92) 25%, rgba(2,6,23,0));
  pointer-events: none;
}
#mast .kicker {
  font-family: var(--mono); font-size: 10px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--green-400); margin-bottom: 2px;
}
#mast h1 { font-size: 20px; font-weight: 700; color: var(--slate-100); line-height: 1.15; }
#mast .sub { font-size: 12.5px; color: var(--slate-400); margin-top: 1px; }

#toggles {
  position: absolute; right: 10px; top: calc(env(safe-area-inset-top) + 10px);
  z-index: 21; display: flex; flex-direction: row; flex-wrap: wrap;
  justify-content: flex-end; align-items: center; gap: 8px;
  max-width: calc(100vw - 190px);
}
.tog {
  min-width: 46px; min-height: 34px; padding: 6px 10px;
  font-family: var(--mono); font-size: 11.5px; color: var(--slate-500);
  background: rgba(15,23,42,.9); border: 1px solid var(--slate-700);
  border-radius: 8px; cursor: pointer;
  touch-action: manipulation;              /* no double-tap page zoom on controls */
}
.tog.on { color: var(--slate-100); background: var(--slate-700); border-color: var(--slate-500); }

#pass-toggles { display: flex; flex-direction: row; gap: 8px; align-items: center; }
.tog.pass {
  display: flex; align-items: center; gap: 6px;
  line-height: 1.2; padding: 6px 10px;
}
.tog.pass svg { flex: none; display: block; }
.tog.pass .snowc { color: #3fb6ff; font-weight: 600; }   /* the color snow wears on the map */
.tog.pass .d { font-size: 11.5px; }
.tog.pass .c { font-size: 9px; letter-spacing: .02em; }
.tog.pass .c.cloudy { color: var(--amber-400); }
.tog.pass.dim { opacity: .5; }

#compass {
  width: 40px; height: 40px; position: relative;
  border-radius: 50%; cursor: pointer; touch-action: manipulation;
  background: rgba(15,23,42,.9); border: 1px solid var(--slate-700); padding: 0;
}
#compass .rose {
  position: absolute; inset: 3px; transition: transform .2s ease-out;
}
@media (prefers-reduced-motion: reduce) { #compass .rose { transition: none; } }
#compass .n {
  position: absolute; top: 1px; left: 50%; transform: translateX(-50%);
  font-family: var(--mono); font-size: 8.5px; font-weight: 600; color: var(--green-300);
}
#compass .nn, #compass .ns {
  position: absolute; left: 50%; width: 0; height: 0;
  border-left: 4.5px solid transparent; border-right: 4.5px solid transparent;
}
#compass .nn { bottom: 50%; transform: translateX(-50%); border-bottom: 13px solid var(--green-400); }
#compass .ns { top: 50%; transform: translateX(-50%); border-top: 13px solid var(--slate-600); }

/* ── Content: the report ── */
#content {
  position: relative; z-index: 10;
  max-width: 620px; margin: -52px auto 0;
  padding: 0 14px calc(env(safe-area-inset-bottom) + 40px);
}
.card {
  background: rgba(15,23,42,.96);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--slate-700); border-radius: 14px;
  padding: 14px 16px;
}
.sec-label {
  font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--slate-500); margin-bottom: 6px;
}
/* ── Line strip card ── */
.sec-row {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 10px; margin-bottom: 8px;
}
.sec-row .sec-label { margin-bottom: 0; white-space: nowrap; }

#strip { height: 10px; border-radius: 3px; overflow: hidden; background: var(--slate-800); }
#strip svg { display: block; width: 100%; height: 100%; }
#strip-x {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 10px; color: var(--slate-500); margin-top: 5px;
}
#strip-legend { display: flex; align-items: center; gap: 5px; color: var(--slate-600); }
#strip-legend i { width: 10px; height: 3px; border-radius: 2px; display: inline-block; }
#strip-legend .s { background: #3fb6ff; }
#strip-legend .b { background: #fbbf24; }
#strip-legend .u { background: #64748b; }

/* ── Blocks ── */
#pass-blocks { margin-top: 6px; }
.block { border-top: 1px solid var(--slate-800); padding: 12px 2px; cursor: pointer; }
.block .head { display: flex; align-items: baseline; gap: 8px; }
.block .label {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--slate-500); min-width: 86px;
}
.block .status { margin-left: auto; font-family: var(--mono); font-size: 9.5px;
  letter-spacing: .08em; padding: 2px 7px; border-radius: 999px; border: 1px solid; }
.status.computed_real { color: var(--green-400); border-color: rgba(74,222,128,.35); }
.status.heuristic { color: var(--amber-400); border-color: rgba(251,191,36,.35); }
.status.manual { color: var(--slate-400); border-color: var(--slate-600); }
.status.placeholder { color: var(--slate-500); border-color: var(--slate-700); border-style: dashed; }

.block .value { font-size: 16.5px; font-weight: 600; color: var(--slate-100); margin-top: 3px; }
.block .detail { font-size: 12.5px; color: var(--slate-400); margin-bottom: 8px; }

.block .more { display: none; margin-top: 10px; }
.block.expanded .more { display: block; }
.block .inputs { width: 100%; border-collapse: collapse; }
.block .inputs td {
  font-family: var(--mono); font-size: 11px; padding: 3px 0;
  vertical-align: top; word-break: break-word;
}
.block .inputs td:first-child { color: var(--slate-500); padding-right: 12px; white-space: nowrap; }
.block .inputs td:last-child { color: var(--slate-300); }
.block .method {
  margin-top: 8px; padding: 8px 10px; font-size: 11.5px; color: var(--slate-400);
  background: var(--slate-900); border-left: 2px solid var(--green-500); border-radius: 4px;
}
.block .spark { margin-top: 10px; }
.block .spark svg { width: 100%; height: 54px; display: block; }

#marginalia {
  border-top: 1px solid var(--slate-800);
  padding: 14px 2px 6px; font-size: 11.5px; color: var(--slate-500);
}
#marginalia .mono { font-size: 10.5px; margin-top: 4px; }
#marginalia #generated { margin-top: 6px; color: var(--slate-600); }

/* map markers: a dot on the spot, a small offset label */
.mk { display: flex; align-items: center; gap: 5px; }
.mk .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--slate-100); border: 1.5px solid var(--slate-950);
  flex: none;
}
.mk .lbl {
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .04em;
  color: var(--slate-200); background: rgba(2,6,23,.78);
  border: 1px solid var(--slate-700); border-radius: 5px; padding: 1px 6px;
  white-space: nowrap;
}
.mk.snowline .dot { background: var(--green-400); }
.mk.snowline .lbl { color: var(--green-300); border-color: rgba(74,222,128,.4); }
body.map-far .mk .lbl.quiet { display: none; }
body.routes-off .mk { display: none; }   /* Trails off hides route markers incl. the snowline chip */

/* Wide screens: same full-bleed map (the report panel is hidden). */