/* Wralk — full-screen walk-through viewer */

@font-face {
  font-family: "Archivo";
  src: url("/assets/fonts/archivo-latin-ext.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Archivo";
  src: url("/assets/fonts/archivo-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --ink: #17212b;
  --panel: rgb(23 33 43 / 0.78);
  --line: rgb(255 255 255 / 0.4);
  --white: #ffffff;
  --plaster: #f1f3f2;
  --blue: #2f5e9e;
  --blue-light: #8fb2e0;
  --radius: 4px;
  --font: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --safe-b: env(safe-area-inset-bottom, 0px);
}

*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}
svg { display: block; }
:focus-visible { outline: 2px solid var(--blue-light); outline-offset: 2px; }

.viewer { position: fixed; inset: 0; overflow: hidden; }
.viewer__canvas, .viewer__canvas canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.viewer__canvas canvas { display: block; touch-action: none; outline: none; cursor: grab; }
.viewer__canvas canvas:active { cursor: grabbing; }

/* Cover + start */
.viewer__cover {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: grid;
  place-items: center;
  background: var(--ink) center / cover no-repeat;
  transition: opacity 0.8s ease, visibility 0.8s;
}
.viewer__cover::before { content: ""; position: absolute; inset: 0; background: rgb(23 33 43 / 0.25); }
.viewer__cover.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.viewer__start {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 10px 24px 10px 10px;
  border: 0;
  border-radius: 999px;
  background: var(--plaster);
  color: var(--ink);
  font: inherit;
  font-size: 1.0625rem;
  font-weight: 650;
  cursor: pointer;
  box-shadow: 0 10px 40px rgb(0 0 0 / 0.3);
}
.viewer__start svg { flex: none; width: 44px; height: 44px; padding: 10px; border-radius: 50%; background: var(--blue); color: var(--white); }
.viewer__start[hidden] { display: none; }

.viewer__progress {
  position: absolute;
  z-index: 6;
  top: 50%;
  left: 50%;
  width: min(300px, 76vw);
  transform: translate(-50%, -50%);
  padding: 16px 20px 18px;
  border-radius: var(--radius);
  background: var(--panel);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.viewer__progress[hidden] { display: none; }
.viewer__progress p { display: flex; justify-content: space-between; font-weight: 600; margin: 0 0 12px; }
.viewer__progress output { font-variant-numeric: tabular-nums; }
.viewer__bar { height: 3px; background: rgb(255 255 255 / 0.25); overflow: hidden; }
.viewer__bar div { height: 100%; background: var(--white); transform: scaleX(0); transform-origin: left; transition: transform 0.2s; }

/* HUD */
.hud { position: absolute; z-index: 4; }
.hud[hidden] { display: none; }

.hud--top {
  top: 12px;
  left: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: calc(100% - 24px);
  pointer-events: none;
}
.hud--top > * { pointer-events: auto; }
.hud__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: var(--radius);
  background: var(--panel);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: var(--white);
  font-weight: 600;
  text-decoration: none;
}
.hud__back .logo-mark { width: 18px; height: 18px; }
.hud__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 650;
  text-shadow: 0 1px 8px rgb(0 0 0 / 0.5);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hud--tools { top: 12px; right: 12px; display: flex; gap: 8px; }
.hud__btn {
  min-height: 40px;
  padding: 8px 14px;
  border: 0;
  border-radius: var(--radius);
  background: var(--panel);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: var(--white);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.hud__btn:hover { background: var(--ink); }
.hud__btn[hidden] { display: none; }
.hud__btn--vr { background: var(--blue); }
.hud__btn--vr:hover { background: #234a80; }

@media (max-width: 640px) {
  .hud--top { top: 10px; left: 10px; }
  .hud__title { display: none; }
  .hud--tools { top: 10px; right: 10px; }
  .hud__btn { padding: 8px 11px; font-size: 14px; }
}

/* Room viewpoints as a dimension string (same drawing language as the landing page). */
.hud--rooms {
  left: 50%;
  bottom: calc(14px + var(--safe-b));
  transform: translateX(-50%);
  max-width: calc(100% - 24px);
  padding: 6px 14px 4px;
  border-radius: var(--radius);
  background: var(--panel);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.dims {
  position: relative;
  display: flex;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}
.dims::-webkit-scrollbar { display: none; }
.dims__seg { position: relative; flex: 1 0 auto; min-width: 88px; padding-top: 12px; text-align: center; }
.dims__seg::before { content: ""; position: absolute; left: 0; right: 0; top: 5px; border-top: 1px solid var(--line); }
.dims__seg--plan::before { border-top-style: dashed; border-top-color: rgb(255 255 255 / 0.7); }
.dims__seg::after,
.dims__seg:last-child > :last-child::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 10px;
  border-left: 1px solid var(--white);
  transform: rotate(45deg);
}
.dims__seg:last-child > :last-child::after { left: auto; right: 0; }
.dims__seg button {
  display: block;
  width: 100%;
  padding: 4px 12px 6px;
  border: 0;
  background: none;
  color: rgb(255 255 255 / 0.8);
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
}
.dims__seg button:hover { color: var(--white); }
.dims__seg:has(> [aria-pressed="true"])::before { border-top: 2px solid var(--blue-light); top: 4px; }
.dims__seg button[aria-pressed="true"] { color: var(--white); font-weight: 650; }

/* Touch movement pad */
.hud--pad {
  left: 14px;
  bottom: calc(84px + var(--safe-b));
  display: grid;
  grid-template: repeat(3, 48px) / repeat(3, 48px);
  gap: 4px;
  user-select: none;
  -webkit-user-select: none;
}
.hud--pad button {
  display: grid;
  place-items: center;
  border: 0;
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--white);
  touch-action: none;
  -webkit-touch-callout: none;
}
.hud--pad button:active { background: var(--blue); }
.hud--pad svg { width: 22px; height: 22px; }
.hud--pad [data-move="MOVE_FW"] { grid-area: 1 / 2; }
.hud--pad [data-move="MOVE_LT"] { grid-area: 2 / 1; }
.hud--pad [data-move="MOVE_RT"] { grid-area: 2 / 3; }
.hud--pad [data-move="MOVE_BK"] { grid-area: 3 / 2; }

/* Help */
.viewer__help {
  position: absolute;
  z-index: 7;
  top: 60px;
  right: 12px;
  width: min(340px, calc(100% - 24px));
  padding: 18px 20px;
  border-radius: var(--radius);
  background: rgb(23 33 43 / 0.92);
}
.viewer__help[hidden] { display: none; }
.viewer__help p { margin: 0 0 10px; }
.viewer__help .hud__btn { margin-top: 6px; background: rgb(255 255 255 / 0.12); }
@media (pointer: coarse) { .only-fine { display: none; } }
@media (pointer: fine) { .only-coarse { display: none; } }

.viewer__notice {
  position: absolute;
  z-index: 8;
  top: 64px;
  left: 50%;
  transform: translateX(-50%);
  width: max-content;
  max-width: calc(100% - 32px);
  margin: 0;
  padding: 10px 16px;
  border-radius: var(--radius);
  background: rgb(23 33 43 / 0.92);
  text-align: center;
}
.viewer__notice[hidden] { display: none; }

/* Embedded in the landing page: minimal chrome. */
.is-embed .hud--tools { top: 10px; right: 10px; }
.is-embed .hud--pad { bottom: 14px; }

.is-xr .hud, .is-xr .viewer__help { display: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}