:root {
  --bg: #0a0a08;
  --white: #f0ece0;
  --gold: #c8be9a;
  --gold-dim: rgba(200,190,154,0.4);
  --gold-border: rgba(200,190,154,0.25);
  --border: rgba(200,190,154,0.15);
  --muted: rgba(240,236,224,0.4);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--white);
  font-family: 'Syne', sans-serif;
  overflow: hidden;
  width: 100vw;
  height: 100vh;
}

/* ── Loader ── */
#loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}

.loader-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3rem;
  font-weight: 300;
  letter-spacing: 0.5em;
  color: var(--gold);
}

.loader-bar-wrap {
  width: 200px;
  height: 1px;
  background: var(--border);
}

.loader-bar {
  height: 1px;
  background: var(--gold);
  animation: loadbar 2.2s ease forwards;
}

@keyframes loadbar { from { width: 0; } to { width: 100%; } }

.loader-sub {
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: var(--muted);
  text-transform: uppercase;
}

#loader.fade-out {
  opacity: 0;
  transition: opacity 0.9s ease;
}

/* ── Transition Overlay ── */
#transition-overlay {
  position: fixed;
  inset: 0;
  z-index: 8000;
  background: var(--bg);
  opacity: 0;
  pointer-events: none;
}

#transition-overlay.flash {
  opacity: 1;
  transition: opacity 0.35s ease;
}

/* ── Side Panel ── */


/* ── Home HUD ── */
#home-hud {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hud-label {
  font-size: 0.55rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--muted);
}

.hud-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--gold-dim);
}

/* ── Tower Tooltip ── */
#tower-tooltip {
  position: fixed;
  z-index: 300;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(10,10,8,0.85);
  border: 1px solid var(--gold-border);
  padding: 0.5rem 1rem;
  border-radius: 2px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}

#tower-tooltip.visible { opacity: 1; }

.module-view { display: none; background: #0a0a08; }
.module-view.active { display: block; }

#home-view {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 50;
}

#home-view.active {
  display: block;
}

#three-canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

/* ── Module Header ── */
.module-header {
  position: absolute;
  top: 0;
  left: 0px;
  right: 0;
  height: 72px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0 2rem;
  border-bottom: 1px solid var(--border);
  background: rgba(10,10,8,0.8);
  backdrop-filter: blur(10px);
}

.module-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  color: var(--gold);
}

.breadcrumb {
  font-size: 0.55rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--muted);
  margin-left: auto;
}

/* ── Module Content ── */
.module-content {
  position: absolute;
  inset: 0;
  top: 72px;
  left: 0px;
}

/* ── Floorplan ── */
.fp-stage {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

.fp-breadcrumb-nav {
  position: absolute;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 5;
}

.fp-step {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.3s;
}

.fp-step.active { color: var(--gold); }
.fp-step-sep { color: var(--muted); font-size: 0.7rem; }

.fp-canvas-wrap {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fp-canvas { display: block; }

.fp-controls {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
}

.fp-toggle-btn {
  font-family: 'Syne', sans-serif;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--border);
  padding: 0.4rem 1rem;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.3s;
}

.fp-toggle-btn:hover,
.fp-toggle-btn.active {
  color: var(--gold);
  border-color: var(--gold-dim);
}

/* ── Gallery ── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding: 2rem;
  overflow-y: auto;
  height: 100%;
}

.gallery-item {
  position: relative;
  cursor: pointer;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 2px;
  transition: border-color 0.3s;
}

.gallery-item:hover { border-color: var(--gold-dim); }

.gallery-item canvas { width: 100%; height: auto; display: block; }

.gallery-item-label {
  position: absolute;
  bottom: 0.5rem;
  left: 0.8rem;
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ── Lightbox ── */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: rgba(0,0,0,0.92);
  align-items: center;
  justify-content: center;
}

#lightbox.active { display: flex; }

.lightbox-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.3s;
}

.lightbox-close:hover { color: var(--gold); }

#lightbox-canvas {
  max-width: 90vw;
  max-height: 85vh;
  border: 1px solid var(--border);
}

/* ── Map Canvas ── */
#map-canvas {
  width: 100%;
  height: 100%;
  display: block;
}
/* ── Side Panel ── */
#side-panel {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 48px;
  z-index: 500;
  background: rgba(10,10,8,0.88);
  border-right: 1px solid rgba(200,190,154,0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transition: width 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  overflow: hidden;
  backdrop-filter: blur(12px);
}

#side-panel:hover {
  width: 200px;
}

#unit-row {
    position: fixed;
    bottom: 80px;
    left: 0;
    right: 0;
    z-index: 101; /* must be higher than 3D canvas (default 50) */
    pointer-events: all;
    display: flex;
    justify-content: center;
    gap: 8px;
}