:root {
  --bg: #0e0a1f;
  --surface: #161130;
  --surface-2: #1f183f;
  --line: #2e2656;
  --text: #f4f1ff;
  --muted: #a59fc4;
  --accent: #a855f7;
  --accent-2: #d946ef;
  --poop: #8a5a2b;
  --poop-hi: #b07a3e;
  --stall: #ece8ff;
  --wall: #4b3f8a;
  --radius: 16px;
  --panel-w: 420px;
  --font-display: 'Bricolage Grotesque', system-ui, sans-serif;
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overflow: hidden;
}
button { font: inherit; color: inherit; cursor: pointer; }
[hidden] { display: none !important; }
.muted { color: var(--muted); }

/* ---------- Keuzescherm ---------- */
.onboarding {
  position: fixed; inset: 0; overflow-y: auto;
  display: grid; place-items: center;
  padding: 32px 16px calc(32px + env(safe-area-inset-bottom));
  background:
    radial-gradient(60vmax 60vmax at 15% 10%, #3b1d78 0%, transparent 60%),
    radial-gradient(50vmax 50vmax at 90% 90%, #5b1460 0%, transparent 60%),
    var(--bg);
}
.onboarding-inner { width: 100%; max-width: 560px; text-align: center; }
.logo-bounce { font-size: 84px; line-height: 1; animation: bounce 1.6s cubic-bezier(.3,1.6,.5,1) infinite; filter: drop-shadow(0 12px 24px #0008); }
@keyframes bounce { 0%,100% { transform: translateY(0) scale(1,1); } 40% { transform: translateY(-22px) scale(.95,1.05); } 60% { transform: translateY(0) scale(1.1,.9); } }
.eyebrow { margin: 18px 0 4px; color: var(--muted); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
h1 {
  font-family: var(--font-display); font-weight: 800; font-size: clamp(44px, 12vw, 76px);
  margin: 0; letter-spacing: -.03em; line-height: 1;
  background: linear-gradient(90deg, #fff, #e9d5ff 40%, #f0abfc); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { color: #d6d0f0; font-size: 17px; line-height: 1.5; margin: 14px auto 28px; max-width: 440px; }
.gender-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.gender-btn {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 22px 10px 18px; border-radius: 20px;
  background: #ffffff0d; border: 1px solid #ffffff1f; backdrop-filter: blur(8px);
  transition: transform .2s cubic-bezier(.3,1.5,.5,1), background .2s, border-color .2s;
}
.gender-btn:hover, .gender-btn:focus-visible { transform: translateY(-4px); background: #ffffff18; border-color: var(--accent); outline: none; }
.gender-btn:active { transform: scale(.96); }
.g-icon { font-size: 44px; line-height: 1.1; }
.g-label { font-family: var(--font-display); font-weight: 700; font-size: 19px; }
.g-sub { font-size: 12px; color: var(--muted); }
.fineprint { margin-top: 24px; font-size: 12px; color: var(--muted); }
@media (max-width: 520px) {
  .gender-grid { grid-template-columns: 1fr; }
  .gender-btn { flex-direction: row; justify-content: flex-start; padding: 16px 18px; text-align: left; gap: 14px; }
  .gender-btn .g-sub { margin-left: auto; text-align: right; }
  .g-icon { font-size: 34px; }
}

/* ---------- Layout ---------- */
.main {
  height: 100dvh;
  display: grid;
  grid-template-columns: 1fr var(--panel-w);
}
.viewport { position: relative; overflow: hidden; min-height: 0; background: var(--bg); }
.viewport .gl { position: absolute; inset: 0; display: block; touch-action: none; }
.viewport .labels { position: absolute; inset: 0; pointer-events: none; }

.panel { position: relative; min-height: 0; background: var(--surface); border-left: 1px solid var(--line); overflow: hidden; }
.panel-scroll { height: 100%; overflow-y: auto; padding: 20px 20px calc(24px + env(safe-area-inset-bottom)); overscroll-behavior: contain; }

@media (max-width: 860px) {
  .main { grid-template-columns: 1fr; grid-template-rows: 46dvh 1fr; }
  .panel { border-left: 0; border-top: 1px solid var(--line); border-radius: 22px 22px 0 0; margin-top: -18px; z-index: 2; box-shadow: 0 -12px 40px #0009; }
  .panel-scroll { padding: 18px 16px calc(24px + env(safe-area-inset-bottom)); }
}

/* ---------- Viewport-overlay ---------- */
.vp-brand {
  position: absolute; top: calc(14px + env(safe-area-inset-top)); left: 16px; z-index: 3;
  font-family: var(--font-display); font-weight: 700; font-size: 18px;
  padding: 8px 14px 8px 10px; border-radius: 999px; background: #0e0a1fb3; border: 1px solid var(--line); backdrop-filter: blur(8px);
  pointer-events: none;
}
.vp-brand b { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.vp-floors { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); display: flex; flex-direction: column; gap: 8px; z-index: 3; }
.floor-chip, .vp-btn {
  border: 1px solid var(--line); background: #0e0a1fcc; backdrop-filter: blur(8px);
  border-radius: 12px; font-weight: 600; transition: background .2s, border-color .2s, transform .15s;
}
.floor-chip { width: 44px; height: 44px; font-family: var(--font-display); }
.floor-chip.on, .floor-chip:hover { background: var(--accent); border-color: var(--accent); }
.vp-controls { position: absolute; left: 16px; bottom: 16px; display: flex; gap: 8px; z-index: 3; }
.vp-btn { height: 40px; padding: 0 14px; font-size: 14px; }
.vp-btn:hover { border-color: var(--accent); }
.vp-btn:active, .floor-chip:active { transform: scale(.94); }
.vp-hint {
  position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%); z-index: 2;
  font-size: 13px; color: var(--muted); pointer-events: none; animation: hint 2.4s ease-in-out infinite;
}
@keyframes hint { 50% { opacity: .35; } }
.vp-fallback { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; padding: 16px; }
@media (max-width: 860px) {
  .vp-controls { bottom: 30px; }
  .vp-hint { display: none; }
  .vp-btn span { display: none; }
  .vp-btn { width: 40px; padding: 0; font-size: 18px; }
  .floor-chip { width: 40px; height: 40px; }
  .vp-floors { top: calc(50% - 10px); }
}

/* Labels in 3D */
.room-tag {
  pointer-events: auto;
  display: flex; align-items: center; gap: 4px;
  padding: 3px 9px 3px 5px; border-radius: 999px;
  background: #0e0a1fd9; border: 1.5px solid var(--c); color: #fff;
  font-size: 12px; white-space: nowrap; box-shadow: 0 0 14px color-mix(in srgb, var(--c) 50%, transparent);
  transition: transform .2s;
}
.room-tag span { font-size: 15px; }
.room-tag b { font-weight: 600; font-variant-numeric: tabular-nums; }
.room-tag:hover, .room-tag.active { transform: scale(1.15); background: var(--c); }
.room-tag.complete b::after { content: ' 🏆'; }
.floor-tag {
  pointer-events: auto;
  font-family: var(--font-display); font-weight: 700; font-size: 13px;
  padding: 4px 8px; border-radius: 8px; background: #8b5cf633; border: 1px solid #8b5cf6; color: #e9d5ff;
}

/* ---------- Paneel ---------- */
.panel-head { margin-bottom: 18px; }
.who-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
.addr { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.chip { border: 1px solid var(--line); background: var(--surface-2); border-radius: 999px; padding: 6px 12px; font-size: 13px; white-space: nowrap; }
.chip:hover { border-color: var(--accent); }
.panel-head h2 { font-family: var(--font-display); font-size: 26px; margin: 0 0 10px; letter-spacing: -.02em; }
.meter { position: relative; height: 26px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--line); overflow: hidden; }
.meter span {
  position: absolute; inset: 0 auto 0 0; border-radius: inherit;
  background: repeating-linear-gradient(-45deg, var(--poop) 0 10px, var(--poop-hi) 10px 20px);
  background-size: 28px 28px; animation: stripes 1s linear infinite; transition: width .6s cubic-bezier(.3,1.3,.5,1);
}
@keyframes stripes { to { background-position: 28px 0; } }
.meter em { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); font-style: normal; font-size: 12px; font-weight: 600; }
.meter-text { margin: 8px 0 0; font-size: 14px; color: var(--muted); }
.meter-text b { color: var(--text); }

.floor-section { margin-top: 18px; scroll-margin-top: 12px; }
.floor-section h3 { display: flex; align-items: center; gap: 8px; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 8px; font-weight: 600; }
.floor-section h3 span { font-family: var(--font-display); color: var(--text); background: var(--surface-2); border: 1px solid var(--line); border-radius: 8px; padding: 2px 7px; letter-spacing: 0; }
.cards { display: grid; gap: 8px; }
.toilet-card {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  padding: 12px 14px; border-radius: var(--radius);
  background: var(--surface-2); border: 1px solid var(--line); border-left: 4px solid var(--c);
  transition: transform .15s, border-color .2s, background .2s;
}
.toilet-card:hover { border-color: var(--c); background: color-mix(in srgb, var(--c) 10%, var(--surface-2)); }
.toilet-card:active { transform: scale(.98); }
.toilet-card.full { background: linear-gradient(90deg, color-mix(in srgb, var(--c) 18%, var(--surface-2)), var(--surface-2)); }
.tc-icon { font-size: 28px; }
.tc-main { flex: 1; display: grid; gap: 4px; min-width: 0; }
.tc-name { font-weight: 600; }
.tc-sub { font-size: 12px; color: var(--muted); }
.bar { display: block; height: 6px; border-radius: 6px; background: #ffffff12; overflow: hidden; }
.bar span { display: block; height: 100%; background: var(--c); border-radius: inherit; transition: width .5s cubic-bezier(.3,1.3,.5,1); }
.tc-count { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.tc-count b { font-size: 18px; color: var(--text); }

.panel-foot { margin-top: 26px; display: grid; gap: 10px; justify-items: start; font-size: 13px; }
.ghost-btn { border: 1px solid var(--line); background: transparent; border-radius: 10px; padding: 8px 14px; font-size: 13px; color: var(--muted); }
.ghost-btn:hover { color: #fca5a5; border-color: #f8717166; }

/* ---------- Sheet met plattegrond ---------- */
.sheet {
  position: absolute; inset: 0; z-index: 5;
  display: flex; flex-direction: column;
  background: var(--surface);
  transform: translateX(100%); transition: transform .45s cubic-bezier(.2,.9,.2,1);
  visibility: hidden;
}
.sheet.open { transform: none; visibility: visible; }
.sheet:not(.open) { transition: transform .35s ease, visibility 0s .35s; }
@media (max-width: 860px) {
  .sheet { transform: translateY(100%); border-radius: 22px 22px 0 0; }
}
.sheet-head {
  display: flex; align-items: center; gap: 12px; padding: 16px 16px 12px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, color-mix(in srgb, var(--c) 16%, transparent), transparent);
}
.icon-btn { width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface-2); font-size: 18px; flex: none; }
.icon-btn:hover { border-color: var(--c); }
.sheet-titles { flex: 1; min-width: 0; }
.sheet-titles h2 { font-family: var(--font-display); margin: 0; font-size: 21px; letter-spacing: -.01em; }
.sheet-titles p { margin: 2px 0 0; font-size: 13px; color: var(--muted); }
.sheet-count { font-variant-numeric: tabular-nums; color: var(--muted); }
.sheet-count b { font-size: 24px; color: var(--text); font-family: var(--font-display); }
.sheet-body { flex: 1; overflow-y: auto; padding: 16px 16px calc(24px + env(safe-area-inset-bottom)); display: grid; gap: 14px; align-content: start; overscroll-behavior: contain; }

.plan-wrap { max-width: 380px; width: 100%; margin: 0 auto; }
.plan {
  display: grid;
  grid-template-columns: 1fr 1.05fr 1fr;
  grid-template-rows: repeat(var(--rows), minmax(50px, 1fr));
  gap: 4px; padding: 6px;
  border: 5px solid var(--wall); border-bottom: 0; border-radius: 14px 14px 0 0;
  background: #120e26;
}
.plan-bottom { display: grid; grid-template-columns: 1fr 1.05fr 1fr; }
.plan-bottom i { height: 5px; background: var(--wall); }
.plan-bottom i:first-child { border-radius: 0 0 0 6px; }
.plan-bottom i:last-child { border-radius: 0 0 6px 0; }
.door { text-align: center; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; padding-top: 6px; position: relative; }
.door::before { content: '↑'; display: block; font-size: 16px; color: var(--c); line-height: 1; margin-top: -2px; }
.corridor {
  grid-column: 2; border-radius: 8px;
  background:
    linear-gradient(#ffffff08 1px, transparent 1px) 0 0 / 16px 16px,
    linear-gradient(90deg, #ffffff08 1px, transparent 1px) 0 0 / 16px 16px,
    color-mix(in srgb, var(--c) 7%, transparent);
}
.sinks { display: flex; flex-direction: column; justify-content: space-evenly; align-items: flex-start; padding-left: 4px; font-size: 18px; border-left: 4px solid #ffffff22; }
.sinks-R { align-items: flex-end; padding: 0 4px 0 0; border-left: 0; border-right: 4px solid #ffffff22; }

.stall {
  position: relative; z-index: 1;
  display: flex; align-items: center; gap: 6px;
  padding: 0 8px; border-radius: 6px;
  background: #ffffff10; border: 1px solid #ffffff1f;
  transition: background .2s, border-color .2s, transform .15s;
}
.stall-L { border-right: 4px solid var(--c); }
.stall-R { border-left: 4px solid var(--c); flex-direction: row-reverse; }
.stall:hover { background: color-mix(in srgb, var(--c) 18%, transparent); }
.stall:active { transform: scale(.95); }
.stall .num { font-family: var(--font-display); font-weight: 700; font-size: 13px; color: var(--muted); }
.stall .ico { font-size: 20px; line-height: 1; }
.stall .when { font-size: 10px; color: #f5e1c8; margin-left: auto; }
.stall-R .when { margin-left: 0; margin-right: auto; }
.stall.done { background: linear-gradient(135deg, var(--poop), #6b4220); border-color: var(--poop-hi); }
.stall.done .num { color: #f5e1c8; }
.stall-L.done { border-right-color: var(--poop-hi); }
.stall-R.done { border-left-color: var(--poop-hi); }
.stall.pop { animation: pop .5s cubic-bezier(.3,1.8,.5,1); }
.stall.pop .ico { animation: plop .6s cubic-bezier(.3,1.6,.5,1); }
.stall.unpop { animation: unpop .3s ease; }
@keyframes pop { 0% { transform: scale(.85); } 100% { transform: scale(1); } }
@keyframes plop { 0% { transform: translateY(-18px) scale(.4); } 100% { transform: none; } }
@keyframes unpop { 50% { transform: scale(.94); } }

.legend { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 14px; font-size: 12px; color: #d6d0f0; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.sw { width: 14px; height: 14px; border-radius: 4px; display: inline-block; }
.sw-free { background: #ffffff1a; border: 1px solid #ffffff33; }
.sw-done { background: var(--poop); }
#sheet-clear { justify-self: center; }

/* ---------- Effecten ---------- */
.burst {
  position: fixed; z-index: 50; pointer-events: none; font-size: 22px;
  transform: translate(-50%, -50%);
  animation: burst .9s cubic-bezier(.2,.8,.3,1) forwards;
}
@keyframes burst {
  0% { transform: translate(-50%, -50%) scale(.3); opacity: 1; }
  70% { opacity: 1; }
  100% { transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy) + 40px)) rotate(var(--rot)) scale(1); opacity: 0; }
}
.toast {
  position: fixed; left: 50%; top: calc(16px + env(safe-area-inset-top)); z-index: 60;
  transform: translate(-50%, -150%); max-width: calc(100vw - 32px);
  padding: 12px 18px; border-radius: 14px;
  background: linear-gradient(90deg, #7c3aed, #c026d3); color: #fff; font-weight: 600; font-size: 14px;
  box-shadow: 0 10px 30px #0008; transition: transform .45s cubic-bezier(.3,1.5,.5,1);
}
.toast.show { transform: translate(-50%, 0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}