:root{--bg:#090b0d;--panel:#101418;--line:#24303a;--text:#e8edf1;--muted:#82909b;--accent:#9dffb2;--danger:#ff8f8f}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top,#111820,#07090b 55%);color:var(--text);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;min-height:100vh}.noise{position:fixed;inset:0;pointer-events:none;opacity:.04;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E")}
header{height:72px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;background:#0b0f12cc;backdrop-filter:blur(12px);position:sticky;top:0;z-index:5}.brand{font-size:22px;letter-spacing:.12em}.brand span{color:var(--accent)}.status{font-size:12px;color:var(--muted);letter-spacing:.14em}
main{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:300px 1fr;gap:24px;padding:32px 24px 70px}aside,.panel{background:linear-gradient(180deg,#10151a,#0c1014);border:1px solid var(--line);border-radius:18px;box-shadow:0 20px 50px #0006}aside{padding:20px;height:max-content}.case-title{color:var(--muted);font-size:12px;letter-spacing:.18em;margin-bottom:14px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.cell{font:inherit;appearance:none;aspect-ratio:1;border:1px solid #28343d;border-radius:9px;display:grid;place-items:center;color:#5e6b75;background:#0a0e11;transition:.25s}.cell.done{cursor:pointer;color:#f2eaff;background:linear-gradient(180deg,#1c1330,#120d21);border-color:#b68cff;box-shadow:0 0 18px #b68cff44}.cell.current{color:var(--accent);border-color:var(--accent);box-shadow:inset 0 0 0 1px #9dffb233}.cell.locked{opacity:.5}.ghost{width:100%;margin-top:18px;padding:11px;background:transparent;border:1px solid #2a343c;color:#71808a;border-radius:9px;cursor:pointer}
.panel{padding:42px;min-height:560px}.eyebrow{color:var(--accent);font-size:12px;letter-spacing:.18em;margin-bottom:14px}.panel h1{font-size:clamp(28px,4vw,48px);margin:0 0 18px;letter-spacing:-.03em}.story{color:#b8c2ca;line-height:1.75;max-width:720px}.clue{margin:28px 0;padding:22px;border:1px solid #2a3944;background:#0a0f13;border-radius:12px;line-height:1.65;white-space:pre-line}.actions{display:flex;gap:10px;margin-top:24px}.actions input{flex:1;background:#070a0c;color:var(--text);border:1px solid #34414b;border-radius:10px;padding:14px 16px;font:inherit;outline:none}.actions input:focus{border-color:var(--accent)}.actions button{background:var(--accent);border:0;border-radius:10px;padding:0 22px;font-weight:800;cursor:pointer;color:#061008}.feedback{min-height:24px;margin-top:14px;color:var(--danger)}details{margin-top:24px;color:var(--muted)}summary{cursor:pointer}.hint{padding:10px 0;border-top:1px solid #202a31;line-height:1.5}.hint:first-child{margin-top:12px}
.overlay{position:fixed;inset:0;background:#050806f5;z-index:50;display:grid;place-items:center;overflow:hidden}.hidden{display:none}.grant{text-align:center;animation:pulse 1.1s ease-in-out infinite alternate}.tiny{font-size:11px;color:#75927d;letter-spacing:.35em}.granted{font-size:clamp(36px,8vw,92px);color:var(--accent);font-weight:900;letter-spacing:.06em;text-shadow:0 0 30px #9dffb277;margin:12px 0}.grant-sub{color:#aab9af;letter-spacing:.22em}.scan{position:absolute;left:0;right:0;height:2px;background:var(--accent);box-shadow:0 0 30px var(--accent);animation:scan 1.7s linear infinite}@keyframes scan{from{top:-2px}to{top:100%}}@keyframes pulse{from{opacity:.75;transform:scale(.99)}to{opacity:1;transform:scale(1.01)}}
@media(max-width:780px){main{grid-template-columns:1fr;padding:18px 14px 50px}aside{order:2}.panel{padding:26px 20px;min-height:0}.actions{flex-direction:column}.actions button{padding:14px}.grid{grid-template-columns:repeat(4,1fr);gap:6px}.cell{font-size:12px;border-radius:7px}header{padding:0 16px}}
.cell.viewing{outline:2px solid #e8edf1;outline-offset:2px;box-shadow:0 0 22px #e8edf133}
.cell:disabled{cursor:default}
.review-answer{margin:24px 0;padding:18px 20px;border:1px solid var(--accent);border-radius:12px;background:#0b1510;color:var(--accent)}
.review-label{font-size:10px;letter-spacing:.2em;color:#7ea988;margin-bottom:8px}
#reviewAnswer{font-size:20px;font-weight:800}
.back-current{margin:0 0 12px;padding:10px 14px;border:1px solid #34414b;background:transparent;color:#b8c2ca;border-radius:9px;font:inherit;cursor:pointer}
.back-current:hover{border-color:var(--accent);color:var(--accent)}
.hidden-review{display:none!important}
.cell.pathlit{position:relative;color:#07110a;background:linear-gradient(180deg,#b8ffc7,#86f6a1);border-color:#9dffb2;box-shadow:0 0 22px #9dffb266, inset 0 0 12px #ffffff33}.cell.pathlit.viewing{outline-color:#e6ffec;box-shadow:0 0 28px #9dffb288, inset 0 0 12px #ffffff33}.cell.pathlit::after{content:'';position:absolute;right:6px;top:6px;width:7px;height:7px;border-radius:50%;background:#f0fff4;box-shadow:0 0 12px #ffffff, 0 0 0 1px #07110a33}.cell.marked{position:relative}.cell.marked::before{content:'';position:absolute;inset:3px;border:1px solid #ffffff66;border-radius:7px;pointer-events:none}


/* Elevator-style Room 21 control */
.floor21-wrap{margin-top:22px;padding-top:16px;text-align:center}
.floor21-line{height:1px;background:linear-gradient(90deg,transparent,#28343d,transparent);margin-bottom:14px}
.floor21{font:inherit;width:58px;height:58px;border-radius:50%;background:#090d10;border:1px solid #202930;color:#3f4a52;cursor:pointer;transition:.3s;box-shadow:inset 0 0 0 3px #0b0f12}
.floor21-status{margin-top:8px;font-size:9px;letter-spacing:.16em;color:#47535b;min-height:12px}
.floor21.locked21:hover{border-color:#39464f;color:#596670;box-shadow:inset 0 0 0 3px #0b0f12,0 0 14px #000}
.floor21.ready21{color:#9dffb2;border-color:#9dffb2;box-shadow:inset 0 0 0 3px #0b0f12,0 0 22px #9dffb266;animation:floorPulse 1.4s ease-in-out infinite alternate}
.floor21.done21{color:#061008;background:#9dffb2;border-color:#9dffb2;box-shadow:0 0 22px #9dffb255}
@keyframes floorPulse{from{opacity:.72;box-shadow:inset 0 0 0 3px #0b0f12,0 0 10px #9dffb233}to{opacity:1;box-shadow:inset 0 0 0 3px #0b0f12,0 0 28px #9dffb288}}
.cell.locked{opacity:.5;cursor:pointer}
.cell.locked:hover{opacity:.72;border-color:#39464f;color:#74828d}

/* Red denial state */
.overlay.no-access{background:#100506f7}
.overlay.no-access .granted{color:#ff6666;text-shadow:0 0 32px #ff454588}
.overlay.no-access .tiny{color:#c98585}
.overlay.no-access .grant-sub{color:#d8a0a0}
.overlay.no-access .scan{background:#ff5757;box-shadow:0 0 30px #ff5757}

/* Explicit success state. Kept after denial styles so success always wins. */
.overlay.access-granted{background:#050806f5}
.overlay.access-granted .granted{color:#9dffb2!important;text-shadow:0 0 30px #9dffb277!important}
.overlay.access-granted .tiny{color:#75927d!important}
.overlay.access-granted .grant-sub{color:#aab9af!important}
.overlay.access-granted .scan{background:#9dffb2!important;box-shadow:0 0 30px #9dffb2!important}


/* ROOM 21 E-PATTERN FINAL OVERRIDES */
.cell.done:not(.pathlit){
  color:#f2eaff !important;
  background:linear-gradient(180deg,#1c1330,#120d21) !important;
  border-color:#b68cff !important;
  box-shadow:0 0 18px #b68cff44 !important;
}
.cell.done.pathlit{
  color:#07110a !important;
  background:linear-gradient(180deg,#b8ffc7,#86f6a1) !important;
  border-color:#9dffb2 !important;
  box-shadow:0 0 22px #9dffb266, inset 0 0 12px #ffffff33 !important;
}
.cell.done.pathlit::after{
  content:'' !important;
  position:absolute;
  right:6px;
  top:6px;
  width:7px;
  height:7px;
  border-radius:50%;
  background:#f0fff4 !important;
  box-shadow:0 0 12px #fff,0 0 0 1px #07110a33 !important;
}

/* Room 20 security gateway */
.cell.gateway-cell.current{
  border-color:#ffd36b;
  color:#ffd36b;
  box-shadow:0 0 18px #ffd36b44, inset 0 0 0 1px #ffd36b22;
}
.cell.gateway-cell.done{
  background:linear-gradient(180deg,#2a2310,#171105);
  border-color:#ffd36b;
  color:#ffe7a8;
  box-shadow:0 0 20px #ffd36b44;
}
.cell.gateway-cell.pathlit{
  background:linear-gradient(180deg,#b8ffc7,#86f6a1);
  border-color:#9dffb2;
  color:#07110a;
  box-shadow:0 0 22px #9dffb266, inset 0 0 12px #ffffff33;
}

/* Double-lock state for Room 20 */
.cell.gateway-cell.clearance-ready{
  border-color:#ffd36b!important;
  color:#ffd36b!important;
  background:linear-gradient(180deg,#211b0d,#100d08)!important;
  box-shadow:0 0 20px #ffd36b55, inset 0 0 0 1px #ffd36b22!important;
  animation:clearancePulse 1.7s ease-in-out infinite alternate;
}
@keyframes clearancePulse{
  from{box-shadow:0 0 8px #ffd36b22,inset 0 0 0 1px #ffd36b22}
  to{box-shadow:0 0 24px #ffd36b66,inset 0 0 0 1px #ffd36b44}
}

/* Hidden Konami warp feedback uses the normal green success state. */