:root{--ink:#20342c;--muted:#6c7871;--paper:#f5f5f0;--line:#dfe5de;--green:#0b7956;--lime:#d9f8ab;--purple:#6c52ad;--blue:#3164a5;--mono:ui-monospace,SFMono-Regular,Menlo,monospace}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;letter-spacing:-.035em}button,input,select{font:inherit}button,summary{cursor:pointer}button:disabled{cursor:default}button,a,input,summary{outline-offset:4px}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid #287bdb}button{touch-action:manipulation}a{color:inherit;text-underline-offset:3px}.wrap{max-width:1260px;margin:auto;padding:28px 32px 42px}.top{display:flex;align-items:center;justify-content:space-between;padding-bottom:26px}.experiment-brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:16px;letter-spacing:-.02em}.symbol{height:25px;width:25px;background:var(--ink);color:var(--lime);display:grid;place-items:center;border-radius:7px;font-size:18px}.topnote{font-size:12px;color:var(--muted);display:flex;gap:8px;align-items:center}.dot{height:6px;width:6px;border-radius:50%;background:var(--green);display:inline-block}.hero{display:flex;justify-content:space-between;gap:32px;align-items:flex-end;margin-bottom:26px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.03em;color:var(--green);margin:0 0 12px}.hero h1{font-size:clamp(29px,3.25vw,43px);line-height:1.19;letter-spacing:-.065em;margin:0 0 12px;font-weight:780}.hero p{font-size:15px;line-height:1.65;color:var(--muted);margin:0}.herobadge{border:1px solid var(--line);background:#fff9;border-radius:14px;padding:15px 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#edf0eb}.avatar{width:37px;height:37px;border-radius:12px;display:grid;place-items:center;background:#e8f0fc;color:var(--blue);font-size:18px;font-weight:750;flex-shrink:0}.jev .avatar{background:#e2f5d4;color:var(--green)}.codex .avatar{background:#eee9f8;color:var(--purple)}.panelname{font-size:17px;font-weight:750;line-height:1.2}.model{font-size:10px;letter-spacing:0;color:var(--muted);margin-top:4px}.pill{margin-left:auto;font-size:10px;letter-spacing:0;border:1px solid var(--line);border-radius:99px;padding:4px 7px;color:var(--muted);white-space:nowrap}.chat{padding:21px 18px 8px;min-height:219px;position:relative}.sender{font-size:10px;letter-spacing:0;color:var(--muted);margin-bottom:7px;display:flex;justify-content:space-between}.bubble{background:#f2f4f0;border-radius:2px 13px 13px 13px;padding:14px 15px;font-size:14px;line-height:1.65;min-height:81px;word-break:keep-all}.bubble.placeholder{color:#919b94}.answer{margin:15px 0 0 32px;padding:12px 14px;border-radius:13px 2px 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#dce3df;font-size:11px;color:#4f6559}.choice:not(:disabled):hover{background:#e5effb;border-color:#85a8d8}.choice:disabled{color:#a4aca6;border-color:#edf0ec}.choice.selected{background:#2f639e;color:white;border-color:#2f639e}.choice.wrong{background:#965044;border-color:#965044;color:white}.aihint{padding:11px 4px;color:var(--muted);font-size:12px;line-height:1.7}.aihint b{font-weight:650;color:#4d6152}.measure{padding:17px 18px 18px;border-top:1px solid #edf0eb;background:#fcfdfa;margin-top:auto}.mainmetric{display:flex;align-items:baseline;gap:7px;margin:0 0 13px}.seconds{font-family:var(--mono);font-size:34px;font-weight:550;letter-spacing:-.055em;line-height:1}.seconds small{font-size:14px;color:#859388;margin-left:4px;font-weight:400;letter-spacing:0}.jev .seconds{color:var(--green)}.codex .seconds{color:var(--purple)}.timenote{font-size:10px;color:var(--muted);letter-spacing:0}.metricrow{display:flex;justify-content:space-between;gap:10px;align-items:baseline;font-size:12px;margin-top:9px}.metricrow span{color:var(--muted)}.metricrow strong{white-space:nowrap;font-family:var(--mono);font-size:14px;font-weight:550;letter-spacing:-.03em}.metricdetail{font-size:10px;color:#879389;margin-top:5px;letter-spacing:0;line-height:1.6;min-height:32px}.meter{height:3px;background:#e9eee6;border-radius:2px;margin-top:14px;overflow:hidden}.meterfill{height:100%;width:0;background:#83a7cd;transition:width .08s linear}.jev .meterfill{background:#78ae60}.codex .meterfill{background:#a296c2}.running .panel:not(.finished){box-shadow:0 0 0 1px #c9d8c6}.finished .pill{color:var(--green);border-color:#bcd9b6;background:#f4faef}.startzone{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:19px 0 15px}.startcopy{font-size:12px;color:var(--muted);line-height:1.6}.startcopy strong{color:var(--ink);display:block;font-size:14px;margin-bottom:3px}.startbuttons{display:flex;align-items:center;gap:8px}.primary{background:var(--ink);color:white;border:1px solid var(--ink);border-radius:10px;padding:13px 24px;font-weight:650;white-space:nowrap;font-size:14px;min-width:156px}.primary:hover{background:#355041}.primary:disabled{opacity:.5}.secondary{border:1px solid var(--line);background:transparent;border-radius:10px;padding:13px 16px;color:var(--muted);white-space:nowrap;font-size:13px}.insight{padding:16px 19px;border:1px solid #dce6d4;border-radius:12px;background:#edf3e7;font-size:13px;line-height:1.7;display:none;margin:0 0 17px}.insight.show{display:block}.insight strong{color:#27744d}.foot{border-top:1px solid var(--line);padding-top:19px;display:grid;grid-template-columns:1.1fr 1fr;gap:32px}.settings{display:flex;gap:18px;flex-wrap:wrap}.setting label{display:block;font-size:11px;color:var(--muted);margin-bottom:7px}.inputbox{display:flex;align-items:center;font-size:12px;gap:6px;color:var(--muted)}input{border:1px solid #d8e1d5;background:#fff;border-radius:7px;padding:7px 9px;width:88px;color:var(--ink);font-family:var(--mono);font-size:13px;letter-spacing:0}.settingsnote{font-size:10px;line-height:1.6;margin-top:10px;color:var(--muted)}.honesty{font-size:11px;color:var(--muted);line-height:1.75}.honesty b{color:var(--ink);font-weight:650}.method{margin-top:18px;border:1px solid var(--line);border-radius:10px;padding:12px 15px;font-size:12px;line-height:1.8;color:var(--muted)}summary{color:#536857;font-weight:600}.methodgrid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:12px}.method p{margin:0 0 10px}.method a{color:#32613d}.rules{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}.rule{font-size:11px}.rule b{display:block;color:var(--ink)}.footer{display:flex;justify-content:space-between;gap:15px;font-size:10px;color:#879187;padding-top:20px;letter-spacing:0}.hidden{display:none!important}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media(min-width:1450px){.wrap{padding-top:40px}.hero{margin:12px 0 35px}.chat{min-height:263px}.bubble{font-size:15px}.panelhead{padding:21px}.actions{min-height:92px}}
@media(max-width:950px){.wrap{padding:24px 20px}.panels{gap:10px}.panelhead{padding:15px 12px;gap:8px}.avatar{width:31px;height:31px;font-size:15px}.panelname{font-size:15px}.pill{font-size:9px;padding:3px 5px}.chat{padding:17px 12px 8px;min-height:270px}.bubble{padding:11px;font-size:13px}.answer{margin-left:10px;padding:10px}.actions{padding:0 12px 12px}.choice{font-size:10px}.measure{padding:15px 12px}.seconds{font-size:30px}.herobadge{display:none}.hero h1{font-size:34px}.foot{gap:24px}.metricrow strong{font-size:13px}}
@media(max-width:660px){.wrap{padding:20px 16px}.top{padding-bottom:24px}.topnote{font-size:10px}.hero h1{font-size:31px}.hero p{font-size:13px}.hero{margin-bottom:22px}.progresscopy{display:none}.panels{grid-template-columns:1fr;gap:13px}.panelhead{padding:14px 16px}.avatar{width:34px;height:34px}.panelname{font-size:17px}.model{font-size:10px}.pill{font-size:10px}.chat{padding:16px 16px 5px;min-height:198px}.bubble{font-size:14px;min-height:65px}.answer{min-height:55px;margin:12px 0 8px 42px}.actions{padding:3px 16px 14px;min-height:0}.choice{font-size:12px;padding:10px 4px}.aihint{padding:0 0 9px;font-size:11px}.measure{padding:15px 16px;display:grid;grid-template-columns:1fr 1fr;gap:2px 24px}.mainmetric{grid-row:span 2;display:block;margin:0}.seconds{font-size:32px}.timenote{display:block;margin-top:7px}.metricrow{font-size:11px;margin-top:0}.metricdetail{grid-column:1/-1;min-height:0;margin-top:8px}.meter{grid-column:1/-1;margin-top:7px}.controlbar{position:sticky;top:0;z-index:3;background:#f5f5f0f5;backdrop-filter:blur(12px);padding:10px 0;gap:8px}.startzone{border-top:1px solid var(--line);padding:12px 0;margin-top:12px;gap:8px}.casebutton{padding:8px 10px}.caselabel{display:none}.startcopy{font-size:10px}.startcopy strong{font-size:12px}.primary{font-size:12px;padding:12px 14px;min-width:115px}.secondary{font-size:11px;padding:12px 10px}.foot{grid-template-columns:1fr;gap:18px}.settings{gap:16px}.methodgrid,.rules{grid-template-columns:1fr;gap:12px}.footer{line-height:1.6}.insight{font-size:12px;padding:13px}.panel .chat{transition:none}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}

.scoreboard{position:sticky;top:0;z-index:6;display:grid;grid-template-columns:1fr 1fr 1fr 1fr;border:1px solid #d9e3d4;border-radius:14px;background:#f9fbf5f7;backdrop-filter:blur(14px);margin:0 0 26px;box-shadow:0 3px 12px #213a2410;overflow:hidden}.scoreitem{padding:14px 19px 12px;min-width:0;border-right:1px solid #e5ebe0}.scoreitem:nth-child(4){border:0}.scoreitem>span{display:block;font-size:11px;color:#6b7d6c;margin-bottom:7px}.scoreitem>strong{display:block;font-family:var(--mono);font-size:22px;letter-spacing:-.05em;white-space:nowrap;font-weight:600}.scoreitem>small{display:block;color:#82917f;font-size:10px;margin-top:5px;letter-spacing:0}.countitem strong{font-size:24px}.countitem strong small{font-family:inherit;font-size:12px;letter-spacing:0;color:#7b8d77;font-weight:400}.scoreitem:nth-child(3)>strong{color:var(--green)}.scoreitem:nth-child(4)>strong{color:var(--purple)}.scoreprogress{height:3px;border-radius:2px;background:#e3ebdc;margin-top:11px}.scoreprogress div{width:0;height:100%;background:#73a853;transition:width .25s}.scorefoot{grid-column:1/-1;display:flex;justify-content:space-between;gap:10px;padding:7px 15px;background:#eef4e9;color:#73856d;font-size:10px;letter-spacing:0;border-top:1px solid #e0e9d8}.scorefoot button{border:0;background:none;color:#4b6c46;font-size:10px;padding:0;text-decoration:underline;text-underline-offset:3px}.scorefoot button:disabled{color:#a5b09f;text-decoration:none}.casecount{font-size:12px;color:var(--muted);white-space:nowrap}#caseSelect{border:1px solid var(--line);background:white;color:var(--ink);padding:10px 30px 10px 12px;border-radius:8px;font-size:13px;max-width:145px}.formula{font-size:10px;line-height:1.7;letter-spacing:0;color:#64765c;margin-top:6px;grid-column:1/-1}.allsummary{border:1px solid #b4d59e;border-radius:14px;background:#e6f3dc;padding:21px;margin-bottom:20px}.allsummary h2{font-size:20px;margin:0 0 7px}.allsummary p{font-size:13px;line-height:1.7;margin:5px 0;color:#517346}#inputError{color:#a04736}.settingsnote{max-width:490px}.scoreboard.finished-all{border-color:#8abc6c;box-shadow:0 0 0 2px #c4dfb450}
@media(max-width:660px){.scoreboard{margin-bottom:24px;border-radius:10px}.scoreitem{padding:10px 7px}.scoreitem>span{font-size:9px;letter-spacing:-.04em;white-space:nowrap}.scoreitem>strong{font-size:13px;letter-spacing:-.07em}.scoreitem>small{font-size:8px;letter-spacing:-.04em}.countitem strong{font-size:18px;line-height:1}.countitem strong small{font-size:9px}.scorefoot{font-size:8px;padding:7px;gap:6px}.scorefoot button{font-size:8px;white-space:nowrap}.scoreprogress{margin-top:8px}.controlbar{position:static;backdrop-filter:none;flex-wrap:wrap;gap:8px;padding-top:0}#caseSelect{font-size:12px;max-width:130px;padding:9px 17px 9px 8px}.startbuttons{margin-left:auto}.primary{min-width:112px}.casecontrols{gap:5px}.casecount{font-size:10px}.allsummary{padding:16px}.allsummary h2{font-size:18px}.formula{margin-top:3px}}