:root {
  --ink: #2b2118;
  --muted: #7a6a5c;
  --accent: #b5451b;
  --paper: #f6f1e8;
  --line: #d9cfc1;
  --cork: #c69a62;
  --cork-dark: #a67a45;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font: 14px/1.4 system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  display: grid;
  grid-template-rows: auto 1fr;
  height: 100vh;
}
header {
  padding: 8px 16px;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap;
}
header h1 { font-size: 18px; margin: 0; }
header .stage { color: var(--muted); font-size: 13px; }

main {
  display: grid;
  grid-template-columns: 380px 1fr;
  min-height: 0;
}

/* ---- sidebar: map, slider, list ---- */
aside {
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column; min-height: 0;
}
#map { height: 42vh; min-height: 260px; flex: none; }
.controls { padding: 10px 16px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.controls label { display: flex; justify-content: space-between; font-weight: 600; margin-bottom: 4px; }
.controls input[type=range] { width: 100%; accent-color: var(--accent); }
.controls .hint { color: var(--muted); font-size: 12px; margin-top: 4px; }
.summary { padding: 8px 16px; font-weight: 600; border-bottom: 1px solid var(--line); }
#board-list { list-style: none; margin: 0; padding: 0; overflow: auto; flex: 1; min-height: 80px; }
#board-list li { padding: 7px 16px; border-bottom: 1px solid var(--line); cursor: pointer; }
#board-list li:hover { background: #efe7da; }
#board-list li .name { display: block; font-weight: 600; }
#board-list li .meta { display: block; color: var(--muted); font-size: 12px; }
#board-list li.empty { color: var(--muted); cursor: default; }
#board-list li.empty:hover { background: none; }
details.credits { border-top: 1px solid var(--line); font-size: 11.5px; color: var(--muted); max-height: 30vh; overflow: auto; }
details.credits summary { padding: 6px 16px; cursor: pointer; }
details.credits ul { margin: 0; padding: 0 16px 8px 28px; }
details.credits li { margin-bottom: 3px; }
details.credits a { color: var(--accent); }
footer { padding: 6px 16px; color: var(--muted); font-size: 11.5px; border-top: 1px solid var(--line); }

/* ---- collage ---- */
.collage-wrap { position: relative; min-height: 0; min-width: 0; }
#collage {
  position: absolute; inset: 0;
  overflow: hidden;
  cursor: grab;
  touch-action: none;
  user-select: none;
  background-color: var(--cork);
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,.08) 0 2px, transparent 3px),
    radial-gradient(circle at 70% 60%, rgba(0,0,0,.10) 0 1.5px, transparent 2.5px),
    radial-gradient(circle at 45% 80%, rgba(0,0,0,.08) 0 1px, transparent 2px),
    radial-gradient(circle at 85% 15%, rgba(255,255,255,.07) 0 1.5px, transparent 2.5px),
    radial-gradient(ellipse at 50% 50%, rgba(0,0,0,0) 60%, rgba(0,0,0,.18) 100%);
  background-size: 23px 19px, 31px 27px, 17px 29px, 37px 23px, 100% 100%;
  box-shadow: inset 0 0 0 10px #6b4a2a, inset 0 0 0 12px #3c2a18;
}
#collage.dragging { cursor: grabbing; }
.world { position: absolute; left: 0; top: 0; transform-origin: 0 0; will-change: transform; }

.pin {
  position: absolute;
  transform: rotate(var(--rot));
  transform-origin: 50% 50%;
  box-shadow: 0 2px 2px rgba(0,0,0,.25), 0 8px 18px rgba(0,0,0,.28);
  background: #fff;
  padding: 3px;
  transition: left .6s cubic-bezier(.2,.8,.2,1), top .6s cubic-bezier(.2,.8,.2,1),
              width .6s cubic-bezier(.2,.8,.2,1), height .6s cubic-bezier(.2,.8,.2,1),
              transform .6s cubic-bezier(.2,.8,.2,1), opacity .35s ease;
}
.pin.instant { transition: none; }
.pin.entering, .pin.leaving { opacity: 0; transform: rotate(var(--rot)) scale(.85); }
.pin.hot { outline: 3px solid var(--accent); z-index: 1000 !important; }
.pin .face { width: 100%; height: 100%; background-color: #e9e4da; }
.pin .face img { display: block; width: 100%; height: 100%; object-fit: cover; }
.pin.flyer { padding: 0; background: none; }
.pin.flyer .face { box-shadow: inset 0 0 0 1px rgba(255,255,255,.5); }
.pin.flyer .tack { width: 10px; height: 10px; margin-left: -5px; top: -4px; }
.pin .tack {
  position: absolute; left: 50%; top: -6px; width: 14px; height: 14px; margin-left: -7px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #ff7a59, #b5451b 60%, #6e2408);
  box-shadow: 0 2px 3px rgba(0,0,0,.4);
}
.pin .stamp {
  position: absolute; left: 6px; bottom: 6px;
  width: max-content; min-width: 9em; max-width: max(calc(100% - 12px), 13em);
  padding: 2px 5px;
  background: rgba(255, 250, 240, .92);
  border: 1px solid rgba(60,40,20,.35);
  color: var(--ink);
  font-size: 7px; line-height: 1.25;
  transform: rotate(-2deg);
  opacity: 0;
  transition: opacity .2s ease;
  pointer-events: none;
  overflow-wrap: anywhere;
}
.pin .stamp b { display: block; }
.pin .stamp span { color: #7a2e10; }
#collage.zoomed .pin .stamp { opacity: 1; }

.empty-cork {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  color: #4a2f16; font-size: 18px; font-weight: 600;
  pointer-events: none;
}
.empty-cork[hidden] { display: none; }

.collage-tools {
  position: absolute; right: 14px; top: 14px; z-index: 5;
  display: flex; gap: 4px; align-items: center;
  background: rgba(246,241,232,.9); border: 1px solid var(--line); border-radius: 6px; padding: 4px 6px;
}
.collage-tools button {
  font: inherit; width: 28px; height: 28px; border: 1px solid var(--line); border-radius: 4px;
  background: #fff; cursor: pointer; color: var(--ink);
}
.collage-tools button:hover { background: #efe7da; }
.collage-tools .zoom { min-width: 40px; text-align: center; color: var(--muted); font-size: 12px; }
.collage-tools .tip { color: var(--muted); font-size: 11.5px; margin-left: 6px; }
.collage-tools .mode { display: flex; gap: 2px; margin-left: 8px; font-size: 12px; }
.collage-tools .mode label { padding: 3px 8px; border: 1px solid var(--line); border-radius: 4px; background: #fff; cursor: pointer; }
.collage-tools .mode label:has(input:checked) { background: var(--accent); color: #fff; border-color: var(--accent); }
.collage-tools .mode input { display: none; }
.collage-tools a { color: var(--accent); font-size: 12px; margin-left: 8px; }

@media (max-width: 860px) {
  main { grid-template-columns: 1fr; grid-template-rows: auto 60vh; }
  aside { border-right: 0; border-bottom: 1px solid var(--line); }
  #map { height: 36vh; }
  #board-list { max-height: 20vh; }
}