@font-face {
  font-family: "Instrument Sans";
  src: url("assets/fonts/instrument-sans-latin.woff2") format("woff2");
  font-weight: 400 700;
  font-stretch: 75% 100%;
  font-display: swap;
}

:root {
  --wall: #eeefea;
  --panel: rgba(238, 239, 234, 0.84);
  --ironore: #434341;
  --ink: #2a2a28;
  --concrete: #8f8b85;
  --muted: #6d6a65;
  --oak: #b08a62;
  --oak-deep: #8d6a45;
  --line: rgba(67, 67, 65, 0.14);
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --pad: max(16px, env(safe-area-inset-left));
  --pad-b: max(16px, env(safe-area-inset-bottom));
  --pad-t: max(16px, env(safe-area-inset-top));
}

* { box-sizing: border-box; }

html {
  -webkit-tap-highlight-color: transparent;
  -webkit-text-size-adjust: 100%;
  overscroll-behavior: none;
}

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: #dcdad5;
  color: var(--ink);
  font-family: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.45;
}

#stage {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100dvh;
  display: block;
  touch-action: none;
  outline: none;
}
body[data-view="walk"] #stage { cursor: grab; }
body[data-view="walk"] #stage.dragging { cursor: grabbing; }
body[data-view="walk"] #stage.over-hop { cursor: pointer; }

button {
  font: inherit;
  color: inherit;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  cursor: pointer;
}
button:focus-visible {
  outline: 2px solid var(--oak-deep);
  outline-offset: 2px;
}

.panel-surface {
  background: var(--panel);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  backdrop-filter: blur(14px) saturate(1.1);
}

/* brand */
.brand {
  position: fixed;
  top: var(--pad-t);
  left: var(--pad);
  margin: 0;
  padding: 10px 14px 11px;
  border-radius: 12px;
  background: var(--panel);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  max-width: min(420px, calc(100vw - 32px));
}
.brand p { margin: 0; }
.brand-name {
  font-weight: 620;
  font-size: 15px;
  letter-spacing: 0.005em;
  color: var(--ironore);
}
.brand-sub {
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 1px !important;
}

/* loader */
.loader {
  position: fixed;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 12px;
  text-align: center;
  color: var(--ironore);
  background: #dcdad5;
  transition: opacity 400ms var(--ease-out);
}
.loader p { margin: 0; font-size: 15px; font-weight: 500; }
.loader .bar {
  width: 180px;
  height: 2px;
  background: rgba(67, 67, 65, 0.15);
  border-radius: 2px;
  overflow: hidden;
  margin: 0 auto;
}
.loader .bar span {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--ironore);
  transform-origin: left;
  transform: scaleX(0.04);
  transition: transform 200ms var(--ease-out);
}
.loader.done { opacity: 0; pointer-events: none; }

/* view switch */
.views {
  position: fixed;
  left: 50%;
  bottom: var(--pad-b);
  transform: translateX(-50%);
  display: flex;
  gap: 2px;
  padding: 4px;
  border-radius: 999px;
  background: var(--panel);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset, 0 6px 24px rgba(40, 38, 34, 0.12);
}
.views button {
  border: 0;
  background: transparent;
  height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 540;
  white-space: nowrap;
  color: var(--ironore);
  transition: background-color 180ms ease, color 180ms ease, transform 140ms var(--ease-out);
}
.views button:active { transform: scale(0.97); }
.views button[aria-pressed="true"] {
  background: var(--ironore);
  color: var(--wall);
}
@media (hover: hover) and (pointer: fine) {
  .views button[aria-pressed="false"]:hover { background: rgba(67, 67, 65, 0.08); }
}
body[data-view="loading"] .views,
body[data-view="flying"] .views { pointer-events: none; }

/* suite labels */
.labels { position: fixed; inset: 0; pointer-events: none; }
.label {
  position: absolute;
  left: 0;
  top: 0;
  pointer-events: auto;
  border: 0;
  padding: 3px 7px 4px;
  min-width: 34px;
  border-radius: 7px;
  background: rgba(238, 239, 234, 0.9);
  color: var(--ironore);
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
  box-shadow: 0 1px 2px rgba(40, 38, 34, 0.18);
  transition: background-color 160ms ease, color 160ms ease, opacity 200ms ease;
  will-change: transform;
}
.label.open {
  background: var(--ironore);
  color: var(--wall);
}
.label.open::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #d8b98f;
  margin-left: 5px;
  vertical-align: 1px;
}
.label.selected { background: var(--oak-deep); color: #fff; }
.label:active { transform: scale(0.97); }
.labels.hidden .label, .labels.hidden .room-label { opacity: 0; pointer-events: none; }
.room-label {
  position: absolute;
  left: 0;
  top: 0;
  font-size: 12px;
  font-weight: 520;
  color: var(--muted);
  letter-spacing: 0.01em;
  white-space: nowrap;
  pointer-events: none;
  transition: opacity 200ms ease;
  will-change: transform;
}

/* suite card */
.card {
  position: fixed;
  left: var(--pad);
  bottom: calc(var(--pad-b) + 62px);
  width: min(340px, calc(100vw - 32px));
  padding: 18px 18px 16px;
  border-radius: 16px;
  background: rgba(244, 244, 240, 0.92);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 40px rgba(40, 38, 34, 0.16);
  transform-origin: bottom left;
  transition: opacity 220ms var(--ease-out), transform 220ms var(--ease-out);
}
.card[hidden] { display: block; opacity: 0; transform: translateY(8px) scale(0.98); pointer-events: none; visibility: hidden; transition: opacity 150ms ease, transform 150ms ease, visibility 0s 150ms; }
.card-title {
  margin: 0 36px 6px 0;
  font-size: 30px;
  line-height: 1.05;
  font-weight: 560;
  font-stretch: 88%;
  letter-spacing: -0.01em;
  color: var(--ironore);
}
.card-text { margin: 0 0 14px; color: var(--ink); max-width: 34ch; }
.card-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.card-foot { margin: 12px 0 0; font-size: 13px; color: var(--muted); max-width: 36ch; }
.icon-btn {
  border: 0;
  background: transparent;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--ironore);
  transition: background-color 150ms ease, transform 140ms var(--ease-out);
}
.icon-btn:active { transform: scale(0.94); }
@media (hover: hover) and (pointer: fine) {
  .icon-btn:hover { background: rgba(67, 67, 65, 0.08); }
}
.card-close { position: absolute; top: 10px; right: 10px; }

.btn {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 560;
  color: var(--ironore);
  transition: background-color 150ms ease, transform 140ms var(--ease-out), opacity 150ms ease;
}
.btn:active { transform: scale(0.97); }
.btn.primary { background: var(--ironore); color: var(--wall); border-color: var(--ironore); }
.btn:disabled { opacity: 0.45; cursor: default; transform: none; }
@media (hover: hover) and (pointer: fine) {
  .btn:not(.primary):not(:disabled):hover { background: rgba(255, 255, 255, 0.85); }
  .btn.primary:not(:disabled):hover { background: #363634; }
}

/* walk bar */
.walkbar {
  position: fixed;
  left: 50%;
  bottom: calc(var(--pad-b) + 60px);
  transform: translateX(-50%);
  display: grid;
  justify-items: center;
  gap: 8px;
  width: min(640px, calc(100vw - 32px));
  pointer-events: none;
  transition: opacity 200ms var(--ease-out);
}
.walkbar[hidden] { display: grid; opacity: 0; visibility: hidden; }
.place {
  margin: 0;
  padding: 5px 12px 6px;
  border-radius: 999px;
  background: rgba(42, 42, 40, 0.62);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: #f4f4f0;
  font-size: 13.5px;
  font-weight: 540;
}
.hops { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; pointer-events: auto; }
.hop {
  border: 0;
  height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--panel);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: var(--ironore);
  font-size: 13.5px;
  font-weight: 540;
  box-shadow: 0 4px 16px rgba(40, 38, 34, 0.12);
  transition: transform 140ms var(--ease-out), background-color 150ms ease;
}
.hop:active { transform: scale(0.97); }
@media (hover: hover) and (pointer: fine) {
  .hop:hover { background: rgba(250, 250, 247, 0.95); }
}

.hint {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
  padding: 10px 16px 11px;
  border-radius: 12px;
  background: rgba(42, 42, 40, 0.6);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: #f4f4f0;
  font-size: 14px;
  text-align: center;
  max-width: min(320px, calc(100vw - 48px));
  pointer-events: none;
  transition: opacity 400ms ease;
}
.hint[hidden] { display: block; opacity: 0; }

.toast {
  position: fixed;
  left: 50%;
  top: calc(var(--pad-t) + 4px);
  transform: translate(-50%, -8px);
  padding: 8px 14px 9px;
  border-radius: 999px;
  background: var(--ironore);
  color: var(--wall);
  font-size: 13.5px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms var(--ease-out), transform 180ms var(--ease-out);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

body[data-view="walk"] .labels { display: none; }

@media (max-width: 640px) {
  html, body { font-size: 15px; }
  .brand { padding: 8px 12px 9px; }
  .brand-name { font-size: 14px; }
  .brand-sub { font-size: 12px; }
  .card {
    left: var(--pad);
    right: var(--pad);
    width: auto;
    bottom: calc(var(--pad-b) + 58px);
    transform-origin: bottom center;
  }
  .card { padding: 14px 14px 14px 16px; }
  .card-title { font-size: 24px; margin-bottom: 4px; }
  .card-text { font-size: 14px; margin-bottom: 12px; }
  .btn { height: 38px; }
  .views button { padding: 0 13px; height: 40px; }
  .walkbar { bottom: calc(var(--pad-b) + 58px); }
  .toast { top: auto; bottom: calc(var(--pad-b) + 64px); }
}

@media (prefers-reduced-motion: reduce) {
  .card, .card[hidden], .toast, .walkbar, .hint, .loader { transition-property: opacity; }
}