:root{
  --gold:#ffd23e; --deep:#2a1608; --card:#fff8e8; --ink:#3a2410;
  --primary:#e8641c; --primary2:#ff9a3c; --teal:#1899bb; --violet:#7a4de8;
}
*{box-sizing:border-box; -webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;height:100%;font-family:"Segoe UI",system-ui,-apple-system,Roboto,"Noto Sans",sans-serif;background:#020e1d;color:#fff}
body{min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden}
.hidden{display:none!important}
.codex-row{display:flex;flex-direction:column;gap:5px;padding:12px;margin:7px 0;border-radius:10px;background:rgba(255,248,232,.9);color:var(--ink)}
.codex-row small{opacity:.8}.codex-row.ghost{opacity:.65}
.timeline-item{display:flex;gap:12px;align-items:center;padding:9px 12px;color:#f8dfb0}
.timeline-item.seen{color:var(--gold)}
.decision-choice{margin:5px}
.phase-stage{margin:12px 0;padding:12px;border:1px solid rgba(255,210,62,.28);border-radius:10px;background:rgba(255,255,255,.05)}
.phase-stage h3{margin:0 0 7px;color:var(--gold)}
.phase-option,.phase-source,.phase-connection{margin:4px;display:block;width:calc(100% - 8px);text-align:left}
.phase-option.correct,.phase-source.correct,.phase-connection.correct{border-color:#55d68a;background:rgba(50,180,100,.22)}
.phase-option.wrong{border-color:#e68b75}
.phase-feedback{min-height:1.4em;color:#ffe5a2}
.muted{opacity:.75}
textarea{width:100%;border-radius:8px;padding:9px;background:#fff8e8;color:var(--ink);font:inherit;margin:8px 0}
button,input,select{font-family:inherit}
button{cursor:pointer}

/* ---------- BharatQuest auth mockup ---------- */
.auth-shell{
  position:fixed;
  inset:0;
  z-index:1000;
  width:100%;
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background:
    radial-gradient(circle at 20% 20%, rgba(42,77,126,0.35), transparent 28%),
    radial-gradient(circle at 78% 22%, rgba(29,74,114,0.22), transparent 30%),
    linear-gradient(90deg, #020b14 0%, #07172d 55%, #020d1b 100%);
}
.auth-layout{
  width:min(1180px, 90vw);
  min-height:760px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:54px;
  padding:30px 0;
}
.brand-panel,
.form-panel{flex:1}
.brand-panel{
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding-left:18px;
}
.status-pill{
  display:inline-flex;
  align-items:center;
  gap:10px;
  align-self:flex-start;
  padding:10px 14px;
  border-radius:999px;
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,190,77,0.18);
  color:#f9d79e;
  font-size:13px;
  letter-spacing:0.2px;
  box-shadow:0 0 0 1px rgba(255,193,7,0.06), inset 0 0 18px rgba(255,180,0,0.04);
}
.status-icon{font-size:12px}
.brand-mark{
  position:relative;
  width:150px;
  height:150px;
  margin:36px 0 18px 35px;
  opacity:0.95;
}
.brand-mark .ring,
.brand-mark .center-dot{
  position:absolute;
  display:block;
  border-radius:50%;
}
.brand-mark .ring{
  inset:0;
  border:2px dashed rgba(255,168,0,0.8);
  box-shadow:0 0 0 1px rgba(255,168,0,0.25), 0 0 22px rgba(255,168,0,0.12);
}
.brand-mark .ring-1{transform:scale(1.1)}
.brand-mark .ring-2{transform:scale(0.78)}
.brand-mark .ring-3{transform:scale(0.46)}
.brand-mark .center-dot{
  width:30px;
  height:30px;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  background:radial-gradient(circle, #ffcb69 0%, #ffb11c 32%, #d97200 100%);
  box-shadow:0 0 18px rgba(255,180,0,0.5);
}
.brand-title{
  margin:0;
  font-size:6rem;
  line-height:0.95;
  letter-spacing:-0.07em;
  font-weight:900;
  color:#f2efe9;
  text-shadow:0 0 18px rgba(255,180,0,0.15);
}
.brand-title span{color:#f0a825}
.brand-subtitle{
  margin:10px 0 0;
  letter-spacing:0.34rem;
  font-size:0.9rem;
  color:#e1d5c3;
  text-transform:uppercase;
  opacity:0.9;
}
.brand-quote{
  max-width:620px;
  margin:28px 0 30px;
  padding:18px 22px 18px 28px;
  border-left:3px solid rgba(255,178,0,0.8);
  background:rgba(255,255,255,0.03);
  border-radius:12px;
  color:#e9d9be;
  font-size:1.07rem;
  line-height:1.6;
  font-style:italic;
}
.feature-list{
  list-style:none;
  padding:0;
  margin:0;
  display:flex;
  flex-direction:column;
  gap:16px;
  color:#f4f3ef;
  font-size:1.04rem;
}
.feature-list li{
  display:flex;
  align-items:center;
  gap:14px;
  opacity:0.94;
}
.feature-icon{display:inline-flex;align-items:center;justify-content:center;width:22px}

.form-panel{
  display:flex;
  justify-content:center;
  align-items:center;
}
.auth-card{
  width:min(470px, 100%);
  background:linear-gradient(180deg, rgba(18,32,59,0.9), rgba(7,18,33,0.88));
  border:1px solid rgba(255,181,63,0.28);
  border-radius:30px;
  padding:22px 26px 20px;
  box-shadow:0 0 0 1px rgba(255,183,74,0.08), 0 28px 65px rgba(1,7,15,0.7);
}
.auth-tabs{
  display:flex;
  gap:10px;
  background:rgba(255,255,255,0.02);
  border-radius:14px;
  padding:6px;
  margin-bottom:18px;
}
.tab-btn{
  flex:1;
  border:none;
  border-radius:12px;
  padding:10px 12px;
  background:transparent;
  color:#ddcdb0;
  text-transform:uppercase;
  font-weight:700;
  letter-spacing:0.12rem;
}
.tab-btn.active{
  background:linear-gradient(180deg, rgba(255,166,56,0.3), rgba(115,58,17,0.25));
  border:1px solid rgba(255,177,71,0.4);
  color:#f4d39a;
  box-shadow:inset 0 0 15px rgba(255,179,77,0.08);
}
.auth-card h2{
  margin:6px 0 8px;
  font-size:2.1rem;
  letter-spacing:-0.04em;
  color:#f4ebdb;
  text-align:left;
}
.auth-card p{margin:0 0 16px;color:#d9d1c3}
.field{display:block;margin-top:14px}
.field > span{
  display:block;
  margin-bottom:8px;
  color:#d9cbaf;
  font-size:0.9rem;
}
.input-wrap{
  display:flex;
  align-items:center;
  gap:10px;
  background:rgba(11,23,38,0.9);
  border:1px solid rgba(255,195,92,0.2);
  border-radius:12px;
  padding:0 12px;
  height:52px;
  box-shadow:inset 0 0 18px rgba(8,12,22,0.86);
}
.input-wrap input,
.input-wrap select{
  flex:1;
  border:none;
  outline:none;
  background:transparent;
  color:#f5f0e8;
  font-size:0.98rem;
}
.input-wrap input::placeholder{color:rgba(228,221,217,0.56)}
.input-wrap select{appearance:none; color:#c7bda8; background:transparent; }
.input-icon{font-size:1rem; opacity:0.8}
.input-state{color:#f2b25a;font-size:0.9rem; opacity:0.85}
.split-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field.compact{margin-top:12px}
.select-wrap{padding-right:8px}
.avatar-strip{display:flex;gap:8px;justify-content:space-between;padding:4px 0 0}
.avatar{
  width:34px;
  height:34px;
  border-radius:10px;
  border:1px solid rgba(255,196,91,0.18);
  background:rgba(13,25,42,0.9);
  font-size:1.05rem;
}
.avatar.active{
  background:linear-gradient(180deg, rgba(255,158,70,0.38), rgba(69,18,8,0.25));
  border-color:rgba(255,182,78,0.6);
  box-shadow:0 0 12px rgba(255,178,70,0.13);
}
.submit-btn{
  width:100%;
  margin-top:22px;
  padding:18px 18px;
  border:none;
  border-radius:16px;
  background:linear-gradient(180deg, #ffb15d 0%, #f5822c 55%, #e76c1c 100%);
  color:#fff;
  font-weight:900;
  letter-spacing:0.04em;
  font-size:1.05rem;
  box-shadow:0 12px 25px rgba(245,130,44,0.35), inset 0 1px 0 rgba(255,255,255,0.35);
}
.login-link{
  margin-top:18px;
  text-align:center;
  font-size:0.92rem;
  color:#d8ccc0;
}
.login-link a{color:#f5bb60;text-decoration:none;font-weight:700}
.auth-status{
  min-height:22px;
  margin-top:14px;
  font-size:0.9rem;
  color:#9ee2af;
}
.auth-status.error{color:#ffb3b3}

.tab-btn.tab-demo-pill{
  color: #ffd23e;
  border: 1px dashed rgba(255, 210, 62, 0.45);
}
.tab-btn.tab-demo-pill:hover,
.tab-btn.tab-demo-pill.active{
  background: linear-gradient(180deg, rgba(255, 210, 62, 0.28), rgba(232, 100, 28, 0.28));
  border: 1px solid #ffd23e;
  color: #fff;
  box-shadow: 0 0 14px rgba(255, 210, 62, 0.25);
}

.auth-divider{
  display: flex;
  align-items: center;
  text-align: center;
  margin: 16px 0 12px;
}
.auth-divider::before,
.auth-divider::after{
  content: '';
  flex: 1;
  border-bottom: 1px solid rgba(255, 195, 92, 0.2);
}
.auth-divider span{
  padding: 0 12px;
  color: #c9b89e;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  font-weight: 700;
}

.demo-bypass-btn{
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 16px;
  border-radius: 14px;
  background: rgba(255, 210, 62, 0.08);
  border: 1px solid rgba(255, 210, 62, 0.45);
  color: #fce8a6;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 0.2s ease;
}
.demo-bypass-btn:hover{
  background: rgba(255, 210, 62, 0.2);
  border-color: #ffd23e;
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(255, 210, 62, 0.25);
}
.demo-btn-icon{
  font-size: 1.15rem;
}
.demo-btn-tag{
  background: rgba(255, 210, 62, 0.22);
  color: #ffd23e;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 6px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.demo-workspace-box{
  background: rgba(24, 153, 187, 0.1);
  border: 1px solid rgba(24, 153, 187, 0.35);
  border-radius: 14px;
  padding: 16px;
  margin: 14px 0 16px;
  color: #d8edf5;
}
.demo-workspace-box h4{
  margin: 8px 0 6px;
  font-size: 1.05rem;
  color: #ffd23e;
}
.demo-workspace-box p{
  margin: 0 0 10px;
  font-size: 0.88rem;
  line-height: 1.45;
  color: #d2eaf3;
}
.demo-workspace-box ul{
  margin: 0;
  padding-left: 20px;
  font-size: 0.86rem;
  line-height: 1.55;
  color: #e4f4fb;
}
.demo-workspace-box li{
  margin-bottom: 5px;
}
.demo-badge-pill{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.76rem;
  font-weight: 700;
  color: #38e1b3;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(56, 225, 179, 0.12);
  padding: 3px 8px;
  border-radius: 6px;
}

@media (max-width: 980px){
  .auth-layout{flex-direction:column;justify-content:center;gap:28px;padding:24px 0 40px}
  .brand-panel{text-align:center;padding-left:0}
  .status-pill{align-self:center}
  .brand-mark{margin:24px auto 12px}
  .brand-title{font-size:4.4rem}
  .brand-subtitle{letter-spacing:0.2rem}
  .feature-list{align-items:center;text-align:left}
  .auth-card{width:min(100%, 480px)}
}
@media (max-width: 520px){
  .auth-shell{padding:18px 14px}
  .auth-layout{width:100%;min-height:auto}
  .auth-card{padding:20px 16px}
  .split-fields{grid-template-columns:1fr}
  .brand-title{font-size:3.7rem}
  .brand-subtitle{font-size:0.75rem;letter-spacing:0.18rem}
  .brand-quote{font-size:0.96rem}
}

/* ---------- screens ---------- */
.screen{position:fixed;inset:0;overflow-y:auto;display:flex;justify-content:center;align-items:flex-start;padding:28px 14px;background:radial-gradient(1200px 700px at 50% -10%,#5a2f10,#1c0f06 70%);z-index:10}
.menu-bg{position:fixed;inset:0;pointer-events:none;background:
  radial-gradient(220px 220px at 12% 20%,rgba(255,210,62,.25),transparent 70%),
  radial-gradient(260px 260px at 85% 30%,rgba(53,224,255,.22),transparent 70%),
  radial-gradient(300px 300px at 50% 90%,rgba(232,100,28,.25),transparent 70%)}
.menu-card{position:relative;max-width:560px;width:100%;background:linear-gradient(180deg,#fffdf4,#ffe9c4);border-radius:22px;padding:30px 28px;text-align:center;box-shadow:0 24px 80px rgba(0,0,0,.5),0 0 0 6px rgba(255,210,62,.35);animation:rise .5s ease;color:var(--ink)}
@keyframes rise{from{transform:translateY(18px);opacity:0}to{transform:none;opacity:1}}
.flag{font-size:44px}
.title{margin:6px 0 0;font-size:52px;letter-spacing:3px;color:#b53a12;text-shadow:0 2px 0 #ffe9a8}
.subtitle{letter-spacing:5px;color:#7a4de8;font-weight:800;margin:4px 0 8px}
.tagline{color:#6a4a26}
.menu-buttons{display:flex;flex-direction:column;gap:10px;margin:18px 0}
.menu-seals{background:#2a1608;color:var(--gold);border-radius:12px;padding:10px;font-weight:700}
.menu-foot{font-size:12px;color:#8a6a45;margin-top:10px}
.page{max-width:860px;width:100%;background:linear-gradient(180deg,#fffdf4,#ffedc9);border-radius:20px;padding:26px;box-shadow:0 24px 80px rgba(0,0,0,.5);color:var(--ink)}
.page.wide{max-width:1000px}
.page h2{margin:0 0 4px;color:#b53a12}

/* ---------- buttons ---------- */
.btn{border:none;border-radius:14px;padding:12px 18px;font-size:16px;font-weight:800;cursor:pointer;background:#f3e3c2;color:#5a3a18;box-shadow:0 3px 0 #c8a86a;transition:transform .08s,box-shadow .08s}
.btn:hover{transform:translateY(-1px);filter:brightness(1.04)}
.btn:active{transform:translateY(2px);box-shadow:0 0 0 #c8a86a}
.btn.primary{background:linear-gradient(180deg,var(--primary2),var(--primary));color:#fff;box-shadow:0 4px 0 #a83e0c}
.btn.big{font-size:19px;padding:14px 22px}
.btn.ghost{background:transparent;box-shadow:none;border:2px dashed #b53a12;color:#b53a12;margin-top:14px}
.btn.danger{background:#c0392b;color:#fff}
.btn.demo{background:linear-gradient(180deg,#7a4de8,#5a2fd0);color:#fff;box-shadow:0 4px 0 #3a1d90}
.icon-btn{border:none;background:rgba(20,10,4,.55);color:#fff;border-radius:10px;font-size:17px;padding:7px 10px;cursor:pointer}
.icon-btn:hover{background:rgba(20,10,4,.8)}

/* ---------- level cards / mission select ---------- */
#level-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px;margin:18px 0}
.level-card{border:none;border-radius:16px;padding:18px;text-align:left;cursor:pointer;background:linear-gradient(180deg,#ffffff,#ffe9c4);box-shadow:0 4px 0 #c8a86a;transition:transform .12s,box-shadow .12s;color:var(--ink)}
.level-card.open:hover{transform:translateY(-3px);box-shadow:0 8px 22px rgba(0,0,0,.28)}
.level-card.locked{background:#d9cfc0;color:#7a746a;cursor:not-allowed}
.level-card.done{outline:3px solid #57b25e}
.level-card.final{grid-column:1/-1;text-align:center;background:linear-gradient(180deg,#3a2a6a,#231845);color:var(--gold)}
.lc-icon{font-size:36px}
.lc-name{font-weight:900;font-size:18px;margin-top:6px;color:#b53a12}
.lc-era{font-size:13px;opacity:.85;color:#4a3520}
.lc-mission{font-size:13px;color:#d35400;margin:6px 0 4px;font-weight:700}
.lc-status{margin-top:8px;font-weight:800}
.lc-art{font-size:13px;margin-top:2px}

/* ---------- game / hud ---------- */
#screen-game{position:fixed;inset:0}
#game-canvas,#game-canvas canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
#hud{position:absolute;top:0;left:0;right:0;pointer-events:none;z-index:5}
#hud-top{display:flex;gap:10px;align-items:flex-start;justify-content:space-between;padding:10px 12px}
.hud-pill{background:rgba(20,10,4,.62);color:#ffe9a8;border-radius:999px;padding:7px 13px;font-weight:800;font-size:14px}
.hud-mid{text-align:center;background:rgba(20,10,4,.62);border-radius:14px;padding:8px 18px;color:#fff;max-width:46vw}
#hud-mission{font-weight:900;font-size:14px;color:var(--gold)}
#hud-progress{font-size:13px}
.hud-right{display:flex;gap:6px;align-items:center;pointer-events:auto}
#hud-controls-hint{text-align:center;color:#fff;font-size:12px;opacity:.75;text-shadow:0 1px 3px #000}
#interact-prompt{position:absolute;left:50%;bottom:150px;transform:translateX(-50%);background:rgba(20,12,4,.85);border:2px solid var(--gold);color:#ffe9a8;border-radius:14px;padding:12px 20px;font-size:18px;font-weight:900;animation:bob 1.2s ease-in-out infinite;white-space:nowrap}
#interact-prompt kbd{background:var(--gold);color:#3a2410;border-radius:8px;padding:2px 10px;margin-left:10px;font-weight:900}
@keyframes bob{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-6px)}}

/* ---------- mobile ---------- */
#mobile-ui{position:absolute;inset:auto 0 0 0;display:flex;justify-content:space-between;align-items:flex-end;padding:0 16px 18px;z-index:6;pointer-events:none}
#joystick{width:124px;height:124px;border-radius:50%;background:rgba(255,255,255,.14);border:2px solid rgba(255,255,255,.4);pointer-events:auto;position:relative;touch-action:none}
#joy-knob{position:absolute;left:50%;top:50%;width:56px;height:56px;margin:-28px 0 0 -28px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#ffe9a8,#e8641c);box-shadow:0 4px 12px rgba(0,0,0,.4)}
#mobile-btns{display:flex;gap:10px;pointer-events:auto}
.mbtn{width:62px;height:62px;border-radius:50%;border:2px solid rgba(255,255,255,.5);background:rgba(20,10,4,.55);color:#fff;font-size:22px;font-weight:900;cursor:pointer;touch-action:none}
.mbtn.act{background:linear-gradient(180deg,#ff9a3c,#e8641c);width:74px;height:74px;font-size:26px}

/* ---------- dialogue ---------- */
#dialogue{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);width:min(620px,92vw);background:linear-gradient(180deg,#fffdf4,#ffe9c4);border-radius:18px;border:3px solid #b53a12;padding:16px 18px;z-index:20;box-shadow:0 16px 50px rgba(0,0,0,.5);color:var(--ink)}
#dlg-name{font-weight:900;color:#b53a12;margin-bottom:6px}
#dlg-text{font-size:17px;line-height:1.45;min-height:48px}
#dlg-next{margin-top:10px}

/* ---------- modals ---------- */
.modal{position:absolute;inset:0;background:rgba(10,5,2,.62);display:flex;justify-content:center;align-items:center;z-index:30;padding:14px}
.panel{background:linear-gradient(180deg,#fffdf4,#ffe9c4);border-radius:20px;padding:20px;width:min(620px,94vw);max-height:88vh;overflow-y:auto;box-shadow:0 24px 80px rgba(0,0,0,.6);animation:rise .3s ease;color:var(--ink)}
.panel.small{width:min(460px,94vw)}
.panel.center{text-align:center}
.panel-head{display:flex;justify-content:space-between;align-items:center;font-weight:900;font-size:18px;color:#b53a12;margin-bottom:10px}
.results .big-seal{font-size:44px;margin:8px 0}
.results .stars{font-size:30px}
.oath{font-weight:900;color:#7a4de8;letter-spacing:1px}
.row{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.row.center{justify-content:center}

/* quiz */
.quiz-top{display:flex;justify-content:space-between;font-weight:800;color:#7a5a35;margin-bottom:6px}
.quiz-q{font-size:19px;margin:6px 0 12px;color:var(--ink)}
.quiz-opts{display:flex;flex-direction:column;gap:9px}
.quiz-opt{display:flex;gap:10px;align-items:center;text-align:left;border:2px solid #d9b06a;background:#fff;border-radius:12px;padding:11px 12px;font-size:15px;font-weight:700;cursor:pointer;color:#3a2410}
.quiz-opt:hover:not(:disabled){border-color:#e8641c;background:#fff6e2}
.quiz-opt.correct{border-color:#2e9e4f;background:#d9f5df}
.quiz-opt.wrong{border-color:#c0392b;background:#f9d9d4}
.opt-letter{background:#2a1608;color:var(--gold);border-radius:8px;min-width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;font-weight:900}
.quiz-fact{margin-top:12px}
.fact{border-radius:12px;padding:10px;margin-bottom:10px;font-size:14px}
.fact.good{background:#d9f5df;border:2px solid #2e9e4f}
.fact.soft{background:#fff3d4;border:2px solid #d9a800}
.quiz-final-score{font-size:22px;margin:8px 0}
.quiz-msg{color:#6a4a26}

/* puzzles */
.p-sub{color:#6a4a26}
.p-hint{background:#fff3d4;border-radius:10px;padding:8px;margin-top:10px;font-size:14px}
.pipes{display:flex;gap:8px;align-items:center;justify-content:center;margin:14px 0}
.pipe{font-size:44px;width:74px;height:74px;border-radius:14px;border:3px solid #d9b06a;background:#fff;cursor:pointer}
.pipe.ok{border-color:#2e9e4f;background:#d9f5df;box-shadow:0 0 14px #57b25e}
.pipe-well{text-align:center;font-size:30px}
.pipe-well small{display:block;font-size:11px}
.flowbar{height:12px;background:#e8d8b8;border-radius:99px;overflow:hidden}
.flowfill{height:100%;width:0;background:linear-gradient(90deg,#35b6d9,#35e0ff);transition:width .3s}
.tile-row{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin:12px 0}
.tile{border:2px solid #d9b06a;background:#fff;border-radius:12px;padding:10px 14px;font-size:16px;font-weight:800;cursor:pointer;color:#3a2410}
.tile small{display:block;font-size:11px;font-weight:700}
.tile.big{font-size:22px}
.tile.ok{border-color:#2e9e4f;background:#d9f5df}
.tile.shake,.quiz-opt.shake{animation:shake .35s}
@keyframes shake{0%,100%{transform:none}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.tower{background:#2a1608;border-radius:12px;padding:12px;min-height:90px;margin:10px 0}
.t-block{background:linear-gradient(180deg,#ffe9a8,#d9a860);border-radius:8px;padding:6px;margin:4px auto;max-width:280px;font-weight:800;text-align:center}
.t-base{color:#8a7a5a;text-align:center;font-size:13px}
.paper{background:#fff;border:2px solid #8a6a45;border-radius:8px;padding:12px;margin:10px 0}
.paper-head{text-align:center;font-weight:900;letter-spacing:2px;border-bottom:2px solid #333;padding-bottom:6px;margin-bottom:8px}
.paper-line{background:#f5efdc;border-radius:6px;padding:6px 8px;margin:5px 0;font-size:14px}

/* inventory / kalam */
#inv-body .inv-row{background:#fff;border-radius:10px;padding:9px 12px;margin:7px 0;font-size:15px;color:var(--ink)}
#kalam-panel{position:absolute;right:12px;bottom:12px;width:min(360px,92vw);background:linear-gradient(180deg,#f2fbff,#d9f0f8);border-radius:16px;border:2px solid var(--teal);z-index:25;box-shadow:0 16px 50px rgba(0,0,0,.45);overflow:hidden;color:var(--ink)}
#kalam-log{max-height:220px;overflow-y:auto;padding:10px;display:flex;flex-direction:column;gap:8px}
.kalam-msg{border-radius:12px;padding:8px 10px;font-size:14px;line-height:1.4}
.kalam-msg.kalam{background:#fff;border:1px solid #bfe3f2;color:var(--ink)}
.kalam-msg.you{background:#1899bb;color:#fff;align-self:flex-end}
.kalam-chips{display:flex;gap:6px;flex-wrap:wrap;padding:0 10px}
.kalam-chip{border:1px solid var(--teal);background:#fff;border-radius:99px;font-size:12px;padding:5px 10px;cursor:pointer;color:#0a5a72}
.kalam-row{display:flex;gap:6px;padding:10px}
.kalam-row input{flex:1;border-radius:10px;border:1px solid #9ad0e2;padding:9px;font-size:14px}

/* museum / achievements */
.mus-sec{margin:14px 0}
.mus-sec h3{color:#7a4de8;margin:6px 0}
.mus-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px}
.mus-item{background:#fff;border-radius:12px;padding:12px;border:2px solid #d9b06a;font-size:13px;color:var(--ink)}
.mus-item.ghost{opacity:.6;border-style:dashed}
.mus-emoji{font-size:30px}
.mus-item b{font-size:14px}
#achv-list{display:flex;flex-direction:column;gap:10px;margin:14px 0}
.ach-row{display:flex;gap:12px;align-items:center;background:#efe6d4;border-radius:12px;padding:10px 14px;opacity:.65;color:var(--ink)}
.ach-row.has{background:#fff;border:2px solid var(--gold);opacity:1}
.ach-ic{font-size:30px}
.set-row{display:flex;gap:10px;align-items:center;background:#fff;border-radius:10px;padding:10px;margin:8px 0;font-weight:700;color:var(--ink)}

/* toast / fx */
#toast{position:absolute;left:50%;top:86px;transform:translateX(-50%);background:rgba(20,12,4,.9);color:#ffe9a8;border:2px solid var(--gold);padding:12px 22px;border-radius:14px;font-weight:800;font-size:15px;z-index:50;max-width:90vw;text-align:center}
#toast.pop{animation:toastpop .35s ease}
@keyframes toastpop{from{transform:translateX(-50%) scale(.85);}to{transform:translateX(-50%) scale(1)}}
#ach-pop{position:absolute;left:50%;top:150px;transform:translateX(-50%);background:linear-gradient(180deg,#fff6d8,#ffe9a8);border:3px solid var(--gold);color:#5a3a10;padding:12px 20px;border-radius:16px;font-weight:800;z-index:51;display:flex;gap:10px;align-items:center;box-shadow:0 12px 40px rgba(0,0,0,.4)}
#ach-pop.pop{animation:toastpop .35s ease}
.ach-icon{font-size:30px}
/* discovery card */
#discover-card{position:absolute;left:50%;bottom:120px;transform:translateX(-50%);display:flex;gap:12px;align-items:center;background:linear-gradient(180deg,#2a1a3a,#1a1040);border:2px solid var(--gold);color:#ffe9a8;border-radius:16px;padding:12px 20px;z-index:22;max-width:min(480px,92vw);box-shadow:0 12px 40px rgba(0,0,0,.55);animation:discin .4s ease}
@keyframes discin{from{transform:translateX(-50%) translateY(24px);opacity:0}to{transform:translateX(-50%) translateY(0);opacity:1}}
#disc-icon{font-size:36px}
#disc-kicker{font-size:11px;letter-spacing:2px;color:var(--gold);font-weight:900}
#disc-title{font-size:19px;font-weight:900;color:#fff}
#disc-fact{font-size:13px;opacity:.9;margin-top:2px}
#fx-layer{position:fixed;inset:0;pointer-events:none;z-index:60}
.spark{position:absolute;font-size:20px;animation:spark .9s ease-out forwards}
@keyframes spark{to{transform:translate(var(--dx),var(--dy)) scale(.4);opacity:0}}
#fade{position:fixed;inset:0;background:#fff;z-index:100;animation:fadein 1.1s ease}
@keyframes fadein{from{opacity:0}35%{opacity:1}to{opacity:1}}
.fatal{position:fixed;inset:0;background:#2a0a0a;color:#ffd9d9;z-index:200;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:30px;text-align:center}

@media (max-width:720px){
  .title{font-size:36px}
  .hud-mid{max-width:52vw}
  #hud-mission{font-size:12px}
  #hud-controls-hint{display:none}
  #interact-prompt{bottom:200px;font-size:15px}
}