/* Floor map component (static/js/floor-map.js), used by the kiosk and the
   admin "Area Status" page. Colours come from sphere.css tokens (with
   fallbacks): amber = route, destination, active floor; cobalt = "you". */

.fm {
  --fm-amber: var(--amber, #1a6bc6);
  --fm-amber-ink: var(--amber-ink, #8a4b00);
  --fm-cobalt: var(--cobalt, #3360f0);
  --fm-ink: var(--text, #0f1828);
  --fm-muted: var(--text-3, #556377);
  --fm-surface: var(--panel-solid, #ffffff);
  --fm-bg: var(--panel-2, #f5f7fb);
  --fm-line: var(--line-2, rgba(14, 22, 38, .16));
  --fm-route: var(--amber, #1a6bc6);
  --fm-focus: 0 0 0 3px var(--fm-amber);
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--fm-bg);
  color: var(--fm-ink);
}

/* ── floor tabs ─────────────────────────────────────────────────────── */
.fm-floors {
  position: relative;
  display: flex; gap: 6px; padding: 10px 12px;
  background: var(--fm-surface);
  border-bottom: 1px solid var(--line, rgba(14, 22, 38, .09));
  overflow-x: auto; scrollbar-width: none; flex-shrink: 0;
}
.fm-floors::-webkit-scrollbar { display: none; }
.fm-floor-btn {
  position: relative; flex-shrink: 0;
  min-height: 40px; padding: 0 14px; border-radius: 999px;
  border: 1px solid var(--fm-line);
  background: transparent; color: var(--fm-ink);
  font: 700 .875rem/1 var(--font-body, system-ui), sans-serif; white-space: nowrap;
  cursor: pointer;
  transition: background-color .2s, color .2s, border-color .2s, transform .15s cubic-bezier(.16, 1, .3, 1), box-shadow .2s;
  -webkit-tap-highlight-color: transparent;
}
.fm-floor-btn:hover { border-color: var(--fm-amber); }
@media (hover: hover) and (pointer: fine) { .fm-floor-btn:hover { transform: translateY(-1px); } }
.fm-floor-btn:active { transform: scale(.95); }
.fm-floor-btn.active {
  background: var(--fm-amber); color: var(--on-amber, #ffffff); border-color: transparent;
  box-shadow: 0 4px 14px rgba(26, 107, 198, .35);
}
/* a dot marks floors that carry part of the current route */
.fm-floor-btn.has-route::after {
  content: ''; position: absolute; top: 4px; right: 6px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--fm-route);
  box-shadow: 0 0 0 2px var(--fm-surface);
}
.fm-floor-btn.active.has-route::after { background: var(--ink-band, #0e1626); box-shadow: 0 0 0 2px var(--fm-amber); }

/* ── viewport ───────────────────────────────────────────────────────── */
.fm-viewport {
  position: relative; flex: 1; min-height: 0; overflow: hidden;
  touch-action: none;             /* every gesture over the map is ours */
  overscroll-behavior: contain;
  cursor: grab; outline: none;
  user-select: none; -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  background:
    radial-gradient(circle at 1px 1px, var(--line-2, rgba(14, 22, 38, .14)) 1px, transparent 1.4px) 0 0 / 22px 22px,
    var(--fm-bg);
}
.fm-viewport:focus-visible { box-shadow: inset var(--fm-focus); }
.fm-viewport.is-panning { cursor: grabbing; }
.fm.drawing .fm-viewport { cursor: crosshair; }

.fm-content { position: absolute; left: 0; top: 0; transform-origin: 0 0; --pz-scale: 1; }
.fm-picture, .fm-img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  display: block; pointer-events: none;
}
.fm-img { background: #fff; image-rendering: auto; border-radius: 6px; box-shadow: 0 10px 40px rgba(14, 22, 38, .14); }
/* floor plans are drawn on white; in dark mode dim them so they don't glare */
:root[data-theme="dark"] .fm-img { filter: brightness(.82) contrast(1.05); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .fm-img { filter: brightness(.82) contrast(1.05); } }
.fm[data-state='missing'] .fm-picture { visibility: hidden; }
.fm-svg { position: absolute; inset: 0; overflow: visible; }

/* ── rooms ──────────────────────────────────────────────────────────── */
.fm-room {
  fill: transparent; stroke: transparent; stroke-width: 2;
  vector-effect: non-scaling-stroke; cursor: pointer; outline: none;
  transition: fill .15s, stroke .15s;
}
.fm-room:hover { fill: rgba(51, 96, 240, .12); stroke: var(--fm-cobalt); }
.fm-room:focus-visible { fill: rgba(26, 107, 198, .22); stroke: var(--fm-amber); stroke-width: 3; }
.fm-admin .fm-room { stroke: rgba(51, 96, 240, .35); stroke-dasharray: 4 3; }
.fm-room.selected { fill: rgba(26, 107, 198, .3); stroke: var(--fm-amber); stroke-width: 3; stroke-dasharray: none; }
.fm-hl {
  fill: rgba(26, 107, 198, .20); stroke: var(--fm-route); stroke-width: 3;
  vector-effect: non-scaling-stroke; pointer-events: none;
  animation: fm-hl 1.6s ease-in-out infinite alternate;
}
@keyframes fm-hl { to { fill: rgba(26, 107, 198, .32); } }

/* ── closures: dark + hatched (not colour-only) ─────────────────────── */
.fm-closure { stroke: #0f172a; stroke-width: 2; vector-effect: non-scaling-stroke; cursor: help; }
.fm-closure-under_construction { stroke: #b45309; }
.fm-closure.clickable { cursor: pointer; }

/* ── route ──────────────────────────────────────────────────────────── */
.fm-route-casing, .fm-route-line { fill: none; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; pointer-events: none; }
.fm-route-casing { stroke: rgba(14, 22, 38, .85); stroke-width: 10; }
.fm-route-line { stroke: var(--fm-amber); stroke-width: 5; stroke-dasharray: 2 10; animation: fm-dash .7s linear infinite; }
.fm-drawing .fm-route-line { stroke-dasharray: none; animation: none; }
@keyframes fm-dash { to { stroke-dashoffset: -12; } }
.fm-draft-rect { fill: rgba(26, 107, 198, .25); stroke: var(--fm-amber); stroke-width: 2.5; stroke-dasharray: 6 4; vector-effect: non-scaling-stroke; }

/* ── pins & tags: counter-scaled so they stay the same on-screen size ── */
.fm-pins { position: absolute; inset: 0; pointer-events: none; }
.fm-pin, .fm-tag {
  position: absolute;
  transform: translate(-50%, -50%) scale(calc(1 / var(--pz-scale)));
  transform-origin: 50% 50%;
}
.fm-tag {
  transform: translate(-50%, -100%) scale(calc(1 / var(--pz-scale)));
  transform-origin: 50% 100%;
}
.fm-pin { display: flex; flex-direction: column; align-items: center; z-index: 2; }
.fm-dot {
  width: 16px; height: 16px; border-radius: 50%;
  border: 3px solid #fff; box-shadow: 0 2px 6px rgba(0, 0, 0, .35);
  background: var(--fm-cobalt);
}
.fm-pin-end .fm-dot { background: var(--fm-amber); width: 22px; height: 22px; border-color: #0e1626; }
.fm-pin-connector .fm-dot { background: #13804f; }
.fm-pin-you .fm-dot { width: 20px; height: 20px; animation: fm-pulse 2s cubic-bezier(.16, 1, .3, 1) infinite; }
@keyframes fm-pulse {
  0% { box-shadow: 0 0 0 0 rgba(51, 96, 240, .6), 0 2px 6px rgba(0, 0, 0, .35); }
  100% { box-shadow: 0 0 0 18px rgba(51, 96, 240, 0), 0 2px 6px rgba(0, 0, 0, .35); }
}
.fm-pin-wait { opacity: 0; }
.fm-pin-pop .fm-dot { animation: fm-pop .45s cubic-bezier(.34, 1.56, .64, 1); }
.fm-pin-pop .fm-pin-label { animation: fm-label .35s .1s cubic-bezier(.16, 1, .3, 1) both; }
@keyframes fm-pop { from { transform: scale(.6); opacity: 0; } }
@keyframes fm-label { from { opacity: 0; transform: translateY(-4px); } }
.fm-pin-label {
  margin-top: 6px; padding: 4px 10px; border-radius: 8px; white-space: nowrap;
  background: #0e1626; color: #fff;
  font: 700 13px/1.3 var(--font-body, system-ui), sans-serif;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .25);
}
.fm-pin-end .fm-pin-label { background: var(--fm-amber); color: #ffffff; }
.fm-tag {
  display: flex; flex-direction: column; align-items: center; gap: 1px;
  max-width: 220px; padding: 4px 9px; border-radius: 8px; text-align: center;
  background: rgba(15, 23, 42, .92); color: #fff; box-shadow: 0 2px 8px rgba(0, 0, 0, .3);
  font: 700 12px/1.3 var(--font-body, system-ui), sans-serif; pointer-events: auto; cursor: help;
}
.fm-tag-under_construction { background: #7c2d12; }
.fm-tag { z-index: 1; }
.fm-far .fm-tag { padding: 3px 7px; font-size: 11px; }
.fm-far .fm-tag-note { display: none; }
.fm-tag-note {
  font-weight: 600; font-size: 11px; opacity: .9; max-width: 200px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
@media (prefers-reduced-motion: reduce) {
  .fm-route-line, .fm-pin-you .fm-dot, .fm-hl, .fm-pin-pop .fm-dot, .fm-pin-pop .fm-pin-label { animation: none; }
}

/* ── controls ───────────────────────────────────────────────────────── */
.fm-controls {
  position: absolute; right: 12px; bottom: 12px; z-index: 5;
  display: flex; flex-direction: column; gap: 6px; padding: 6px;
  border-radius: 14px; background: var(--panel, rgba(255, 255, 255, .85));
  border: 1px solid var(--line, rgba(14, 22, 38, .09));
  box-shadow: var(--shadow-2, 0 6px 20px rgba(16, 36, 58, .18));
}
.fm-ctrl {
  width: 44px; height: 44px; border-radius: 10px;
  border: 0; background: transparent; color: var(--fm-ink);
  display: grid; place-items: center; cursor: pointer;
  transition: background-color .15s, transform .15s cubic-bezier(.16, 1, .3, 1);
  -webkit-tap-highlight-color: transparent;
}
.fm-ctrl svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.fm-ctrl:hover { background: var(--fm-bg); }
.fm-ctrl:active { transform: scale(.9); }
.fm-ctrl[aria-pressed="true"] { background: var(--fm-amber); color: #ffffff; }
.fm-ctrl:focus-visible, .fm-floor-btn:focus-visible { outline: none; box-shadow: var(--fm-focus); }
.fm-ctrl-sep { height: 1px; margin: 2px 6px; background: var(--line, rgba(14, 22, 38, .09)); }

/* ── loading / missing state ─────────────────────────────────────────── */
.fm-state {
  position: absolute; inset: 0; z-index: 4;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  padding: 16px; text-align: center; background: var(--fm-bg); pointer-events: none;
}
.fm-state[hidden] { display: none; }
.fm-state-title { font: 700 1rem/1.3 var(--font-body, system-ui), sans-serif; color: var(--fm-ink); }
.fm-state-sub { font: 500 .875rem/1.45 var(--font-body, system-ui), sans-serif; color: var(--fm-muted); max-width: 300px; }
.fm-spinner {
  width: 30px; height: 30px; border-radius: 50%;
  border: 3px solid var(--line-2, rgba(14, 22, 38, .16)); border-top-color: var(--fm-amber);
  animation: fm-spin .8s linear infinite;
}
@keyframes fm-spin { to { transform: rotate(360deg); } }

/* Narrow screens: the controls become a horizontal bar under the map so
   they never cover a pin or the destination. */
@media (max-width: 899px) {
  .fm-controls {
    position: static; flex-direction: row; justify-content: flex-end; gap: 4px;
    padding: 6px 8px; border-radius: 0; border-width: 1px 0 0; box-shadow: none;
    background: var(--fm-surface); flex-shrink: 0;
  }
  .fm-ctrl-sep { width: 1px; height: auto; margin: 6px 2px; }
}

/* floor switch: the new plan fades in instead of snapping */
.fm-picture { transition: opacity .22s cubic-bezier(.16, 1, .3, 1); }
.fm[data-state='loading'] .fm-picture { opacity: 0; }