/* ── Ryan Li · Coast Mountains Survey ─────────────────────────
   Palette: hypsometric tints (inlet blue → rainforest → granite
   → snow) with surveyor's flagging-tape orange as sole accent. */

:root {
  --ink: #071a1f;            /* deepest water / chart ink        */
  --bone: #e9efe4;           /* snow / lettering                 */
  --bone-dim: #a8b5a6;
  --flag: #f2762e;           /* flagging-tape orange             */
  --forest: #3a6c49;
  --water: #16505a;
  --panel: rgba(7, 21, 25, 0.88);
  --line: rgba(233, 239, 228, 0.28);

  --font-px: "Silkscreen", monospace;
  --font-mono: "IBM Plex Mono", monospace;
  --font-water: "Instrument Serif", serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.55;
  overflow: hidden;
}

::selection { background: var(--flag); color: var(--ink); }

a { color: var(--bone); text-decoration-color: var(--flag); text-underline-offset: 3px; }
a:hover { color: var(--flag); }

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

.sheet { position: fixed; inset: 0; }

/* ── Map ─────────────────────────────────────────────────── */

.map { position: absolute; inset: 0; cursor: crosshair; }

.map canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
}

#clouds { pointer-events: none; }

.graticule {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to right,  var(--line) 0 1px, transparent 1px 12.5%),
    repeating-linear-gradient(to bottom, var(--line) 0 1px, transparent 1px 16.6667%);
  opacity: 0.14;
}

/* ── Trail + walker ──────────────────────────────────────── */

.trail {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  animation: fade-in 0.4s steps(3) both;
  animation-delay: 1.9s;
}

.trail-line {
  /* invisible, but kept in the DOM: the hiker's position is
     computed along this path with getPointAtLength() */
  fill: none;
  stroke: none;
  visibility: hidden;
}

.walker { filter: drop-shadow(1px 1px 0 rgba(7, 26, 31, 0.8)); }

/* ── Water & region labels ───────────────────────────────── */

.map-labels { position: absolute; inset: 0; pointer-events: none; }

.lbl {
  position: absolute;
  left: var(--x);
  top: var(--y);
  transform: rotate(var(--r, 0deg));
  transform-origin: left center;
  white-space: nowrap;
}

.lbl-water {
  font-family: var(--font-water);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.10em;
  color: rgba(233, 244, 244, 0.60);
  text-shadow: 0 1px 0 rgba(7, 26, 31, 0.6);
}

.lbl-region {
  font-family: var(--font-water);
  font-style: italic;
  font-size: 15px;
  letter-spacing: 0.55em;
  text-transform: uppercase;
  color: rgba(233, 239, 228, 0.34);
}

/* -sm marks minor water labels; hidden on small screens below */
.lbl-water-sm {}

.lbl-city {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: rgba(233, 239, 228, 0.5);
}

.lbl-city-sm {
  font-size: 9px;
  letter-spacing: 0.26em;
  color: rgba(233, 239, 228, 0.38);
}

.lbl-park {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: rgba(190, 219, 186, 0.60);
  text-shadow: 0 1px 0 rgba(7, 26, 31, 0.55);
}

/* ── Survey stations (nav) ───────────────────────────────── */

.peak {
  position: absolute;
  left: var(--x);
  top: var(--y);
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
  padding: 8px;
  animation: station-in 0.5s steps(4) both;
  animation-delay: var(--in-delay, 1.5s);
}

/* plates sit centered on the station anchor (nudge with --plate-dy);
   the hiker steps up onto the label and perches there */
.peak-plate {
  position: absolute;
  top: calc(50% + var(--plate-dy, 0px));
  left: 50%;
  transform: translate(-50%, -50%);
  width: max-content;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  background: var(--panel);
  border: 2px solid var(--bone);
  box-shadow: 3px 3px 0 rgba(7, 26, 31, 0.65);
  padding: 5px 9px 4px;
  transition: transform 0.12s steps(2);
}

.peak-role {
  font-family: var(--font-px);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.peak-name {
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone-dim);
}

.peak:hover .peak-plate,
.peak:focus-visible .peak-plate { border-color: var(--flag); }

.peak:hover .peak-role,
.peak:focus-visible .peak-role { color: var(--flag); }

.peak[aria-expanded="true"] .peak-plate { border-color: var(--flag); }
.peak[aria-expanded="true"] .peak-role { color: var(--flag); }

/* the hiker landing on the plate */
.peak.pressed .peak-plate { transform: translate(-50%, -50%) translateY(2px); }

@keyframes station-in {
  from { opacity: 0; transform: translate(-50%, -30%); }
  to   { opacity: 1; transform: translate(-50%, -50%); }
}

/* ── Sheet furniture: bars ───────────────────────────────── */

.bar {
  position: absolute;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 18px;
  background: var(--panel);
  z-index: 4;
}

.bar-top { top: 0; border-bottom: 2px solid var(--bone); }
.bar-bottom { bottom: 0; border-top: 2px solid var(--bone); }

.bar-id { display: flex; align-items: baseline; gap: 12px; }

.site-name {
  font-family: var(--font-px);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.site-role {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bone-dim);
}

.bar-sheet { display: flex; align-items: center; gap: 14px; }

.sheet-ref {
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bone-dim);
}

.compass {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: var(--font-px);
  font-size: 10px;
  line-height: 1;
  gap: 2px;
}

.compass-tri {
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 8px solid var(--bone);
}

/* footer */

.scalebar { display: flex; align-items: center; gap: 8px; }

.scale-segs { display: flex; border: 1px solid var(--bone); }
.scale-segs i { width: var(--seg-px, 22px); height: 7px; background: var(--bone); } /* 500 m per segment, set by JS */
.scale-segs i:nth-child(even) { background: transparent; }

.scale-lbl {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-dim);
}

.bar-right { display: flex; align-items: center; gap: 18px; }

.webring { display: flex; align-items: center; gap: 10px; }

.webring a {
  font-family: var(--font-px);
  font-size: 12px;
  line-height: 1;
  text-decoration: none;
  color: var(--bone-dim);
}

.webring a:hover { color: var(--flag); }

.webring img { display: block; width: 20px; height: auto; opacity: 0.75; }

.webring a:hover img { opacity: 1; }

.bar-links { display: flex; gap: 18px; }

.bar-links a {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

/* ── Cursor readout ──────────────────────────────────────── */

.readout {
  position: absolute;
  left: 18px;
  bottom: 58px;
  display: flex;
  gap: 14px;
  padding: 7px 11px;
  background: var(--panel);
  border: 2px solid var(--bone);
  box-shadow: 4px 4px 0 rgba(7, 26, 31, 0.65);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  z-index: 3;
  animation: fade-in 0.4s steps(3) both;
  animation-delay: 1.7s;
}

#ro-elev { color: var(--flag); min-width: 74px; text-align: right; }

/* ── Field report drawer ─────────────────────────────────── */

.drawer {
  position: absolute;
  right: 18px;
  bottom: 58px;
  width: min(420px, calc(100vw - 36px));
  max-height: min(58vh, calc(100vh - 140px));
  background: rgba(7, 21, 25, 0.95);
  backdrop-filter: blur(3px);
  border: 2px solid var(--bone);
  box-shadow: 4px 4px 0 rgba(7, 26, 31, 0.65);
  z-index: 5;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overscroll-behavior: none;
  opacity: 0;
  transform: translateY(14px);
  transition: transform 0.22s steps(6), opacity 0.22s steps(6);
}

.drawer[hidden] { display: none; }
.drawer:not(.open) { pointer-events: none; }

.drawer.open { opacity: 1; transform: translateY(0); }

.drawer-head {
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 18px 12px;
  border-bottom: 2px solid var(--line);
  background: rgba(7, 21, 25, 0.95);
  z-index: 1;
}

.drawer-title {
  font-family: var(--font-px);
  font-size: 18px;
  text-transform: uppercase;
  line-height: 1.2;
}

.drawer-close {
  background: none;
  border: 2px solid var(--bone);
  color: var(--bone);
  font-family: var(--font-px);
  font-size: 14px;
  line-height: 1;
  width: 32px;
  height: 32px;
  cursor: pointer;
  flex: none;
}

.drawer-close:hover { border-color: var(--flag); color: var(--flag); }

.panel { display: none; padding: 18px 22px 28px; }
.panel.active { display: block; }

.panel-intro {
  font-size: 12px;
  color: var(--bone-dim);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 6px;
}

.entry { padding: 14px 0; border-bottom: 1px solid var(--line); }
.entry:first-child { padding-top: 0; } /* panel padding already covers it */
.entry:last-child { border-bottom: none; }

.entry h3 {
  font-family: var(--font-px);
  font-weight: 400;
  font-size: 12px;
  text-transform: uppercase;
  margin-bottom: 5px;
}

.entry h3 a { text-decoration: none; border-bottom: 2px solid var(--flag); }
.entry h3 a:hover { color: var(--flag); }

.entry p { font-size: 12.5px; color: var(--bone-dim); }
.entry p + p { margin-top: 5px; }

.interests-list {
  list-style: none;
  margin: 8px 0;
  display: grid;
  gap: 4px;
}

.interests-list li {
  position: relative;
  padding-left: 16px;
  font-size: 12.5px;
  color: var(--bone-dim);
}

.interests-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--flag);
}

.entry-meta {
  font-size: 10.5px !important;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(168, 181, 166, 0.7) !important;
}

.button {
  display: inline-block;
  margin-top: 4px;
  padding: 8px 14px;
  border: 2px solid var(--flag);
  color: var(--flag);
  font-family: var(--font-px);
  font-size: 10px;
  text-transform: uppercase;
  text-decoration: none;
  box-shadow: 3px 3px 0 rgba(7, 26, 31, 0.65);
}

.button:hover { background: var(--flag); color: var(--ink); }

/* ── Responsive ──────────────────────────────────────────── */

@media (max-width: 720px) {
  .sheet-ref, .lbl-region { display: none; }
  .lbl-water-sm, .lbl-city-sm, .lbl-park { display: none; }
  .readout { display: none; }
  .scale-lbl { display: none; }
  .bar-links { gap: 12px; }
  .bar-right { gap: 12px; }
  .webring { gap: 8px; }
  .drawer { right: 12px; bottom: 52px; width: calc(100vw - 24px); }
  .bar { padding: 8px 12px; }
  .site-name { font-size: 14px; }
  .site-role { font-size: 9px; letter-spacing: 0.14em; }
  .lbl-water { font-size: 11px; }
  .peak-role { font-size: 9px; }
  .peak-name { font-size: 8px; }
}

/* ── Reduced motion ──────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  .peak, .readout, .trail { animation: none; }
  .drawer { transition: none; }
  .peak-plate { transition: none; }
}