:root{color-scheme:dark;--ink:#eaf5ff;--muted:#9fb2c5;--line:rgba(182,220,255,.18);--panel:rgba(5,17,29,.82);--cyan:#55eaff;--blue:#68a9ff;--red:#ff506e;--green:#8dffc4}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:#07131f;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overscroll-behavior:none}
body{min-height:100dvh;padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom);overflow-x:hidden}
button,input,select{font:inherit}
button{color:var(--ink);border:1px solid var(--line);background:rgba(19,44,65,.9);border-radius:14px;min-height:48px;padding:10px 14px;touch-action:manipulation;cursor:pointer}
button:disabled{opacity:.42;cursor:default}
button:active:not(:disabled){transform:scale(.98)}
input,select{width:100%;min-height:42px;color:var(--ink);background:rgba(6,20,33,.94);border:1px solid var(--line);border-radius:10px;padding:8px 10px;margin-top:6px}
#camera-stage{position:fixed;inset:0;background:radial-gradient(ellipse at 52% 45%,#17344a 0,#091827 54%,#040b12 100%);overflow:hidden;z-index:0}
#camera,#monster3d,#monster2d,#hand-overlay,.camera-vignette{position:absolute;inset:0;width:100%;height:100%}
#camera{object-fit:cover;opacity:0;transition:opacity .25s}
#camera.ready{opacity:1}
#monster3d,#monster2d,#hand-overlay{pointer-events:none}
#monster3d{z-index:2}
#monster2d{z-index:3}
#hand-overlay{z-index:4}
.camera-vignette{z-index:5;pointer-events:none;background:linear-gradient(180deg,rgba(3,10,18,.55),transparent 30%,rgba(3,10,18,.12) 55%,rgba(3,10,18,.72))}
.topbar,.live-status,main,.bottom-dock{position:relative;z-index:10}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:calc(env(safe-area-inset-top) + 12px) 16px 8px;gap:12px}
.eyebrow,.section-kicker{font-size:11px;letter-spacing:.12em;color:#8eb6d0;text-transform:uppercase}
.brand h1{font-size:20px;margin:3px 0 0;letter-spacing:.02em}
.privacy{font-size:10px;color:#b6d8e7;background:rgba(4,18,29,.72);border:1px solid var(--line);border-radius:99px;padding:7px 9px;white-space:nowrap}
.privacy span,.local-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 10px rgba(141,255,196,.8);margin-right:5px}
.live-status{margin:4px 12px 8px;padding:9px 11px;display:flex;justify-content:space-between;gap:7px;flex-wrap:wrap;background:rgba(3,14,23,.68);border:1px solid var(--line);border-radius:13px;font-size:10px;color:var(--muted);backdrop-filter:blur(12px)}
.live-status b{color:#f1fbff;font-variant-numeric:tabular-nums}
main{padding:0 12px 150px;max-width:620px;margin:0 auto}
.tabs{display:flex;gap:8px;margin:7px 0 10px}
.tab{flex:1;min-height:42px;background:rgba(7,20,32,.72);font-size:13px;color:#b5c9d9}
.tab.active{border-color:rgba(85,234,255,.65);background:rgba(24,89,113,.68);color:#fff;box-shadow:0 0 16px rgba(85,234,255,.12)}
.panel{display:flex;flex-direction:column;gap:10px}
.panel[hidden]{display:none}
.setup-card,.prompt-card,.slowmo-card,.vote-card,.asset-note{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:12px;backdrop-filter:blur(14px);box-shadow:0 8px 26px rgba(0,0,0,.18)}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:9px}
.tiny-note{font-size:10px;color:var(--muted);margin:0}
.setup-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.setup-grid label{font-size:11px;color:#c0d3e1}
.prompt-card{border-color:rgba(85,234,255,.35);min-height:140px}
.prompt-topline,.prompt-foot{display:flex;align-items:center;justify-content:space-between;gap:8px}
.phase-label{font-size:10px;color:var(--cyan);letter-spacing:.08em}
.trial-counter{font-size:10px;color:var(--muted);font-variant-numeric:tabular-nums}
.prompt-card h2{font-size:20px;line-height:1.25;margin:12px 0 6px}
.prompt-card p{font-size:12px;line-height:1.5;color:#c1d3e1;margin:0 0 12px}
.progress-track{height:4px;border-radius:8px;background:rgba(255,255,255,.1);overflow:hidden}
.progress-track span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan),var(--blue));transition:width .15s linear}
.prompt-foot{font-size:10px;color:var(--muted);margin-top:8px}
#match-label{color:var(--green)}
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}
.metric{background:rgba(4,16,27,.72);border:1px solid var(--line);border-radius:12px;padding:9px;backdrop-filter:blur(10px);min-width:0}
.metric span{display:block;font-size:9px;color:var(--muted);margin-bottom:6px}
.metric b{display:block;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-variant-numeric:tabular-nums}
.action-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px}
.secondary-action{font-size:11px;min-height:45px}
.vote-button{font-size:11px;min-height:42px}
.slowmo-card b{font-size:12px;color:#fff}
.slowmo-card p,.asset-note{font-size:11px;line-height:1.55;color:#b8cad8;margin:7px 0 0}
.slowmo-fields{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:12px 0}
.slowmo-fields label{font-size:11px;color:var(--muted)}
.slowmo-action{display:block;margin-left:auto;min-height:52px;background:#1a5970;border-color:rgba(85,234,255,.6)}
#slowmo-result{color:var(--cyan);font-variant-numeric:tabular-nums}

.local-note{display:flex;gap:6px;align-items:flex-start;padding:3px 4px;font-size:10px;line-height:1.4;color:#a9c0d0}
.local-dot{flex:0 0 7px;margin-top:4px}
.bottom-dock{position:fixed;left:0;right:0;bottom:0;display:flex;align-items:flex-end;justify-content:space-between;gap:10px;padding:10px 16px calc(env(safe-area-inset-bottom) + 12px);pointer-events:none;background:linear-gradient(180deg,transparent,rgba(3,10,17,.78) 35%)}
.bottom-dock button{pointer-events:auto;box-shadow:0 8px 22px rgba(0,0,0,.34)}
.export-button{min-width:96px;min-height:48px;font-size:11px;background:rgba(9,30,46,.94)}
.main-action,.monster-toggle{min-width:92px;width:92px;height:92px;border-radius:50%;font-size:12px;font-weight:700;background:radial-gradient(circle at 35% 25%,#3d9db6,#12617e 60%,#0a344b);border:2px solid rgba(117,242,255,.72);box-shadow:0 0 24px rgba(85,234,255,.3),0 8px 20px rgba(0,0,0,.45)}
.monster-toggle{background:radial-gradient(circle at 35% 25%,#a78aff,#5947a7 60%,#27245d);border-color:rgba(201,181,255,.8);box-shadow:0 0 24px rgba(170,143,255,.26),0 8px 20px rgba(0,0,0,.45)}
.monster-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;padding:12px;background:var(--panel);border:1px solid var(--line);border-radius:16px;backdrop-filter:blur(14px)}
.monster-heading h2{margin:6px 0 4px;font-size:20px}
.monster-heading p{margin:0;font-size:11px;line-height:1.45;color:#b6c9d8;max-width:245px}
.monster-fps{font-size:10px;color:var(--cyan);white-space:nowrap}
.monster-actions{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.monster-actions button{padding:8px 3px;min-height:48px;font-size:10px;background:rgba(7,22,35,.88)}
.vote-card{margin-top:0}
.vote-card select{width:auto;max-width:112px;font-size:11px;margin:0}
.vote-row{display:grid;grid-template-columns:minmax(0,1fr) 48px 48px;align-items:center;gap:7px;padding:8px 0;border-top:1px solid rgba(255,255,255,.08)}
.vote-row span{font-size:11px;line-height:1.35;color:#d9e8f3}
.vote-row button{min-height:38px;padding:5px;font-weight:700}
.vote-row button.selected{background:rgba(52,137,161,.9);border-color:var(--cyan)}
.asset-note{margin:0}
/* Reserve the actual live-camera area for a visible monster before A/B evaluation cards. */
@media (max-width:699px) {
  #monster-panel{padding-top:min(50vh,440px)}
  #monster-panel .monster-heading{position:relative}
}

.heat-overlay{position:fixed;inset:0;z-index:30;display:grid;place-items:center;padding:20px;background:rgba(0,0,0,.72);backdrop-filter:blur(12px)}
.heat-overlay[hidden]{display:none}
.heat-card{width:min(100%,360px);padding:20px;border-radius:20px;background:#0c2030;border:1px solid rgba(85,234,255,.3);text-align:center}
.heat-card h2{font-size:20px}
.heat-options{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.heat-options button{min-height:66px;font-size:16px;font-weight:700}
.heat-options button[data-heat="hot"]{border-color:rgba(255,80,110,.55)}
.heat-card p{font-size:11px;color:var(--muted);line-height:1.5}
.toast{position:fixed;z-index:40;left:50%;bottom:calc(env(safe-area-inset-bottom) + 112px);transform:translate(-50%,12px);opacity:0;pointer-events:none;padding:10px 14px;border-radius:99px;background:rgba(3,15,24,.94);border:1px solid var(--line);font-size:11px;white-space:nowrap;transition:all .2s}
.toast.show{opacity:1;transform:translate(-50%,0)}
@media(min-width:700px){main{padding-top:4px}.setup-grid{grid-template-columns:repeat(4,1fr)}.metric-grid{grid-template-columns:repeat(6,1fr)}}