:root {
  --bg: #0e1116;
  --bg-soft: #171c24;
  --card: #1d242f;
  --line: #2c3543;
  --text: #e8ecf1;
  --text-dim: #9aa6b6;
  --accent: #ffc857;
  --accent-deep: #e0a92e;
  --me: #4aa3ff;
  --friend: #ff6b5e;
  --ok: #4ad991;
  --err: #ff6b5e;
}

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

/* The `hidden` attribute must win over class rules that set `display`
   (e.g. .overlay { display: flex }), otherwise hidden elements stay visible. */
[hidden] {
  display: none !important;
}

html,
body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* ---------- landing / generic ---------- */
.landing {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.hero {
  max-width: 420px;
  text-align: center;
}

.logo {
  display: block;
  margin: 0 auto 8px;
}

h1 {
  font-size: 2rem;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 12px 0 24px;
  color: var(--text-dim);
  line-height: 1.5;
}

.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #1a1300;
  font-size: 1.05rem;
  font-weight: 700;
  border: none;
  border-radius: 14px;
  padding: 16px 28px;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.08s ease, background 0.15s ease;
}
.btn-primary:active {
  transform: scale(0.97);
}
.btn-primary:disabled {
  opacity: 0.6;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 18px;
  font-size: 0.95rem;
  cursor: pointer;
  width: 100%;
  margin-top: 10px;
}

.btn-small {
  background: var(--accent);
  color: #1a1300;
  font-weight: 700;
  border: none;
  border-radius: 10px;
  padding: 0 16px;
  cursor: pointer;
}

.steps {
  text-align: left;
  margin: 28px auto 0;
  padding-left: 22px;
  color: var(--text-dim);
  line-height: 1.7;
  max-width: 320px;
}

.fineprint {
  margin-top: 22px;
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.error-text {
  margin-top: 14px;
  color: var(--err);
  font-size: 0.9rem;
}

/* post-creation "link ready" panel on the landing page */
.created-block {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px 18px;
  text-align: left;
}

.created-title {
  font-size: 1.1rem;
  font-weight: 800;
}

.created-sub {
  margin: 4px 0 14px;
  color: var(--text-dim);
  font-size: 0.88rem;
  line-height: 1.45;
}

.open-btn {
  width: 100%;
  margin-top: 14px;
  text-align: center;
}

/* ---------- room shell ---------- */
.room {
  overflow: hidden;
}

#app {
  position: fixed;
  inset: 0;
}

.view {
  position: absolute;
  inset: 0;
}

#map {
  position: absolute;
  inset: 0;
  background: var(--bg-soft);
}

#ar-view {
  background: #000;
}

#camera {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#ar-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* ---------- start gate ---------- */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--bg);
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px 22px;
  max-width: 380px;
  width: 100%;
  text-align: center;
}

.card h1 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.card p {
  color: var(--text-dim);
  line-height: 1.5;
  margin-bottom: 18px;
  font-size: 0.95rem;
}

.card .btn-primary {
  width: 100%;
}

/* ---------- HUD ---------- */
#hud {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1200;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: calc(env(safe-area-inset-top) + 10px) 12px 10px;
}

.hud-btn {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14, 17, 22, 0.82);
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--text);
  text-decoration: none;
  font-size: 1.2rem;
}

.conn {
  font-size: 0.82rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(14, 17, 22, 0.82);
  border: 1px solid var(--line);
}
.conn-ok {
  color: var(--ok);
}
.conn-wait {
  color: var(--accent);
}
.conn-err {
  color: var(--err);
}

/* ---------- distance panel ---------- */
.distance-panel {
  position: absolute;
  z-index: 1200;
  top: calc(env(safe-area-inset-top) + 64px);
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  background: rgba(14, 17, 22, 0.82);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 10px 22px;
  backdrop-filter: blur(6px);
}

.distance-big {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.distance-big.stale {
  color: var(--text-dim);
}

.distance-sub {
  font-size: 0.78rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---------- compass arrow (map view) ---------- */
.compass {
  position: absolute;
  z-index: 1150;
  left: 50%;
  top: 50%;
  width: 100px;
  height: 100px;
  margin: -50px 0 0 -50px;
  pointer-events: none;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.6));
}
.compass svg {
  transition: transform 0.2s ease-out;
}

/* ---------- share panel ---------- */
.share-panel {
  position: absolute;
  z-index: 1200;
  left: 50%;
  bottom: calc(env(safe-area-inset-bottom) + 90px);
  transform: translateX(-50%);
  max-width: 380px;
  width: calc(100% - 24px);
  text-align: left;
}

.share-panel h2 {
  font-size: 1rem;
  margin-bottom: 12px;
}

.link-row {
  display: flex;
  gap: 8px;
  height: 44px;
}

.link-row input {
  flex: 1;
  min-width: 0;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  padding: 0 12px;
  font-size: 0.85rem;
}

.hint {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.4;
}

/* ---------- view switcher ---------- */
.controls {
  position: absolute;
  z-index: 1200;
  left: 50%;
  bottom: calc(env(safe-area-inset-bottom) + 16px);
  transform: translateX(-50%);
  display: flex;
  background: rgba(14, 17, 22, 0.9);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px;
}

.seg {
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 999px;
  cursor: pointer;
}
.seg.active {
  background: var(--accent);
  color: #1a1300;
}

/* ---------- map pins ---------- */
.map-pin {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.4);
}
.pin-me {
  background: var(--me);
}
.pin-friend {
  background: var(--friend);
}

/* ---------- AR overlay ---------- */
.ar-dot {
  position: absolute;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: left 0.25s ease-out;
}

.ar-dot-label {
  background: rgba(14, 17, 22, 0.9);
  color: var(--accent);
  font-weight: 800;
  font-size: 0.95rem;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 6px;
  white-space: nowrap;
}

.ar-dot-bubble {
  border-radius: 50%;
  background: radial-gradient(
    circle at 35% 30%,
    rgba(255, 107, 94, 0.95),
    rgba(255, 107, 94, 0.55)
  );
  border: 3px solid #fff;
  box-shadow: 0 0 24px rgba(255, 107, 94, 0.7);
  transition: width 0.2s ease-out, height 0.2s ease-out;
}

.ar-edge {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 3rem;
  color: var(--accent);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.9);
  animation: pulse 1s ease-in-out infinite;
}
.ar-edge.edge-left {
  left: 16px;
}
.ar-edge.edge-right {
  right: 16px;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.5;
  }
  50% {
    opacity: 1;
  }
}

.ar-hint {
  position: absolute;
  left: 50%;
  bottom: calc(env(safe-area-inset-bottom) + 80px);
  transform: translateX(-50%);
  width: calc(100% - 40px);
  max-width: 360px;
  text-align: center;
  background: rgba(14, 17, 22, 0.88);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.45;
}

/* Leaflet controls sit below our HUD. */
.leaflet-top,
.leaflet-bottom {
  z-index: 800;
}