:root{--bg:#f5f6f8;--paper:#fff;--ink:#182638;--muted:#58687a;--line:#dce3ec;--blue:#2355a2;--blue-dark:#173e7d;--blue-light:#edf3ff;--error:#9d2837;--error-bg:#fff4f4;--success:#267057;--radius:14px;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);font-size:16px;line-height:1.6}
*{box-sizing:border-box}body{margin:0;background:var(--bg)}button,input,textarea{font:inherit}button,a,input,textarea,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #749ee0;outline-offset:4px}a{color:var(--blue)}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:fixed;top:-80px;left:16px;z-index:20;background:white;padding:10px}.skip:focus{top:8px}.site-header{background:var(--paper);border-bottom:1px solid var(--line)}.header-inner{max-width:1200px;margin:auto;padding:18px 28px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:12px;font-weight:650;line-height:1.3}.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--blue);color:white;display:grid;place-items:center;font-size:20px}.brand small{display:block;font-weight:400;font-size:12px;color:var(--muted);margin-top:3px}.help-link{border:0;background:transparent;color:var(--blue);padding:8px;font-size:14px;font-weight:600}.progress-region{max-width:1200px;margin:auto;padding:20px 28px 0}.progress-label{display:flex;justify-content:space-between;gap:16px;color:var(--muted);font-size:13px;margin-bottom:10px}.progress-track{height:5px;border-radius:10px;background:#e0e6ef;overflow:hidden}.progress-fill{height:100%;background:var(--blue);transition:width .25s}.steps{display:flex;gap:8px;list-style:none;padding:0;margin:12px 0 0}.steps li{flex:1;color:var(--muted);font-size:13px}.steps li.active{color:var(--blue);font-weight:650}.steps li.done{color:var(--success)}main{max-width:800px;margin:0 auto;padding:36px 28px 64px}main.task-page{max-width:1200px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(25px,3vw,34px);line-height:1.22;letter-spacing:-.035em;margin-bottom:14px;font-weight:650}h2{font-size:20px;letter-spacing:-.02em;line-height:1.35;margin-bottom:12px}h3{font-size:16px;margin-bottom:8px}.eyebrow{text-transform:uppercase;letter-spacing:.1em;font-size:11px;font-weight:700;color:var(--blue);margin-bottom:12px}.lead{font-size:17px;color:var(--muted);max-width:640px;margin-bottom:28px}.muted,.hint{color:var(--muted);font-size:14px}.hint{margin:8px 0 0}p{margin-bottom:16px}.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:28px}.login-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:38px;align-items:center}.login-page{max-width:1040px;padding-top:64px}.login-title{font-size:40px}.facts{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0}.fact{padding:6px 11px;background:#e9eef6;border-radius:6px;font-size:13px;color:#3c5576}.overview{list-style:none;counter-reset:flow;padding:0;margin:24px 0}.overview li{counter-increment:flow;display:flex;gap:14px;align-items:flex-start;margin:18px 0}.overview li:before{content:counter(flow);flex:0 0 28px;height:28px;border-radius:50%;background:var(--blue-light);color:var(--blue);text-align:center;font-size:14px;font-weight:650}.overview p{margin:0;font-size:14px;color:var(--muted)}.overview strong{display:block;color:var(--ink);font-size:15px}.divider{border-top:1px solid var(--line);padding-top:24px;margin-top:24px}.info{background:var(--blue-light);border-radius:10px;padding:16px 18px;font-size:14px;margin:20px 0}.info p:last-child{margin-bottom:0}.notice{background:#fff8e9;border:1px solid #e7d6ad;border-radius:10px;padding:14px 16px;font-size:14px;margin-bottom:18px}
label.field-label{display:block;font-weight:600;margin-bottom:8px}input[type=text],textarea{width:100%;border:1px solid #aebccc;border-radius:9px;background:white;color:var(--ink);padding:12px 14px;line-height:1.5}input:focus,textarea:focus{outline:3px solid #d8e6fc;border-color:var(--blue)}input[aria-invalid=true]{border-color:var(--error)}#code{text-transform:uppercase;letter-spacing:.08em}textarea{min-height:115px;resize:vertical}button.primary,button.secondary{min-height:44px;border-radius:8px;font-weight:600;font-size:15px;padding:10px 18px;border:1px solid transparent;line-height:1.5}.primary{background:var(--blue);color:white}.primary:hover:not(:disabled){background:var(--blue-dark)}.secondary{background:white;color:var(--ink);border-color:var(--line)!important}.secondary:hover:not(:disabled){background:#f1f4f8}.full{width:100%}.actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:26px}.actions .hint{margin:0}.error{background:var(--error-bg);color:var(--error);border-radius:8px;padding:12px 14px;font-size:14px;margin:14px 0}.error:empty{display:none}.consent{display:flex;gap:12px;align-items:flex-start;font-size:15px;margin:22px 0}.consent input{flex:0 0 20px;width:20px;height:20px;margin-top:4px;accent-color:var(--blue)}details{border-top:1px solid var(--line);margin-top:20px;padding-top:16px}summary{cursor:pointer;font-weight:600;color:var(--blue);font-size:14px}details>div{margin-top:14px;font-size:14px;color:var(--muted)}
fieldset.question{min-width:0;border:0;border-bottom:1px solid var(--line);margin:0;padding:24px 0}.question legend{float:left;width:100%;font-weight:550;margin-bottom:14px;padding:0}.question legend+*{clear:both}.question.invalid{border-radius:8px;outline:2px solid var(--error);outline-offset:6px;background:#fffafb}.question.invalid .question-error{color:var(--error);font-size:13px;margin:8px 0 0}.choices{display:flex;flex-direction:column;gap:8px}.choices.inline{flex-direction:row;flex-wrap:wrap}.choices label{position:relative;display:block}.choices input,.scale input{position:absolute;opacity:0;width:1px;height:1px}.option{display:flex;align-items:center;gap:10px;background:white;border:1px solid var(--line);border-radius:8px;padding:11px 14px;font-size:15px;cursor:pointer}.option:before{content:"";width:16px;height:16px;border:1px solid #9cabbf;border-radius:50%;flex-shrink:0}input:checked+.option{border-color:var(--blue);background:var(--blue-light);color:var(--blue-dark)}input:checked+.option:before{border:5px solid var(--blue)}input:focus-visible+.option,input:focus-visible+.scale-number{outline:3px solid #749ee0;outline-offset:3px}.scale{max-width:480px}.scale-values{display:flex;gap:8px}.scale label{position:relative;flex:1}.scale-number{display:grid;place-items:center;border:1px solid #bac6d6;border-radius:8px;min-height:48px;background:white;cursor:pointer;font-weight:550}input:checked+.scale-number{background:var(--blue);color:white;border-color:var(--blue)}.scale-ends{display:flex;justify-content:space-between;gap:24px;font-size:13px;color:var(--muted);margin-top:8px}.scale-ends span:last-child{text-align:right}.question-count{position:sticky;top:0;background:var(--bg);padding:12px 0;z-index:2;font-size:14px;color:var(--muted);border-bottom:1px solid var(--line)}.section-title{margin:34px 0 0}.optional{font-size:12px;color:var(--muted);font-weight:400;display:block;margin-top:4px}
.task-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:24px}.task-heading h1{margin:0}.task-layout{display:grid;grid-template-columns:minmax(260px,350px) minmax(0,1fr);gap:24px;align-items:start}.task-brief{position:sticky;top:20px;padding:24px}.task-brief .task-text{font-size:16px;line-height:1.75;margin-bottom:0}.task-brief h2{font-size:17px}.task-brief ol{font-size:14px;padding-left:20px;color:var(--muted);margin:12px 0 0}.task-brief li{padding:3px 0}.chat-panel{padding:0;overflow:hidden}.chat-header{padding:18px 24px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px}.avatar{width:34px;height:34px;background:var(--blue-light);color:var(--blue);border-radius:10px;display:grid;place-items:center;font-size:18px}.chat-header h2{font-size:16px;margin:0}.chat-header p{font-size:12px;color:var(--muted);margin:0}.chat-history{padding:24px;max-height:520px;overflow-y:auto;overscroll-behavior:contain;scroll-margin:20px}.chat-empty{text-align:center;padding:28px 8px;color:var(--muted);font-size:14px}.chat-empty h3{color:var(--ink);font-size:18px}.chat-empty p{max-width:340px;margin:12px auto 0}.message{margin-bottom:24px}.message:last-child{margin-bottom:0}.message-author{font-size:12px;font-weight:650;color:var(--muted);margin-bottom:6px}.message-body{white-space:pre-wrap;overflow-wrap:anywhere;font-size:15px;line-height:1.7}.message.user{background:#f1f5fb;padding:14px 16px;border-radius:12px;margin-left:28px}.tool-event{font-size:12px;color:var(--muted);padding:6px 0;border-left:2px solid var(--line);padding-left:12px;margin:12px 0}.tool-event summary{font-size:12px;color:var(--muted);font-weight:400}.tool-event code{display:block;font-size:11px;overflow-wrap:anywhere;margin:4px 0}.composer{padding:18px 24px 22px;border-top:1px solid var(--line);background:#fcfdff}.composer label{font-size:14px}.composer textarea{min-height:98px;max-height:240px}.composer-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:10px}.composer-bottom .hint{font-size:12px;margin:0}.chat-status{font-size:14px;color:var(--muted);padding-top:10px}.working:before{content:"";display:inline-block;width:8px;height:8px;background:var(--blue);border-radius:50%;margin-right:8px;animation:pulse 1.4s infinite}.task-footer{padding:22px 24px;background:white;border-top:1px solid var(--line)}.task-footer p{font-size:13px;color:var(--muted);margin-bottom:12px}.confirmation{background:var(--blue-light);border-radius:10px;padding:18px;margin-top:16px}.confirmation h3{font-size:16px}.confirmation p{color:var(--ink);font-size:14px}.confirmation .actions{margin-top:12px}.finish-mark{width:56px;height:56px;display:grid;place-items:center;border-radius:50%;background:#e4f3ed;color:var(--success);font-size:27px;margin-bottom:24px}
dialog{border:1px solid var(--line);border-radius:16px;max-width:560px;width:calc(100% - 32px);padding:28px;color:var(--ink);box-shadow:0 20px 80px #18263830}dialog::backdrop{background:#13233b66}dialog .dialog-head{display:flex;justify-content:space-between;align-items:start;gap:20px}dialog .dialog-close{background:transparent;border:0;font-size:22px;color:var(--muted);padding:0 6px}dialog h3{margin-top:22px}dialog p,dialog li{font-size:14px;color:var(--muted)}dialog ul{padding-left:22px}.site-footer{max-width:1200px;margin:auto;padding:20px 28px 28px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:12px}.loading{padding:50px 0;color:var(--muted)}@keyframes pulse{50%{opacity:.3}}
.thinking{background:var(--blue-light);border:1px solid #cddbf2;border-radius:12px;padding:14px 16px;margin-right:28px}.thinking-line{display:flex;align-items:center;gap:12px;font-size:15px;font-weight:600;color:var(--blue-dark)}.thinking-dots{display:inline-flex;gap:5px}.thinking-dots span{width:9px;height:9px;border-radius:50%;background:var(--blue);animation:denkt 1.2s infinite ease-in-out}.thinking-dots span:nth-child(2){animation-delay:.15s}.thinking-dots span:nth-child(3){animation-delay:.3s}.thinking-time{margin-left:auto;font-size:13px;font-weight:400;color:var(--muted);font-variant-numeric:tabular-nums}.thinking-bar{height:3px;margin-top:12px;border-radius:2px;background:linear-gradient(90deg,transparent,var(--blue),transparent) 0 0/50% 100% no-repeat #d6e2f5;animation:laeuft 1.6s linear infinite}.thinking-hint{font-size:14px;color:var(--muted);margin:10px 0 0}.thinking-hint:empty{display:none}@keyframes denkt{0%,80%,100%{transform:translateY(0);opacity:.35}40%{transform:translateY(-5px);opacity:1}}@keyframes laeuft{from{background-position:-100% 0}to{background-position:200% 0}}
@media(max-width:850px){.task-layout{grid-template-columns:1fr}.task-brief{position:static}.login-layout{grid-template-columns:1fr;gap:20px}.login-page{padding-top:32px;max-width:640px}.login-title{font-size:32px}.task-brief ol{display:block}.chat-history{max-height:450px}}
@media(max-width:480px){.header-inner{padding:16px}.brand{font-size:14px}.brand small{font-size:11px}.progress-region{padding:16px 16px 0}main{padding:26px 16px 40px}.panel{padding:20px}.chat-panel{padding:0}.task-brief{padding:20px}.chat-header,.chat-history,.composer,.task-footer{padding:18px}.steps li{font-size:11px}.steps{gap:4px}.scale-values{gap:5px}.scale-number{min-height:44px}.task-heading{align-items:start;flex-direction:column;gap:6px}.composer-bottom{align-items:flex-end}.composer-bottom .hint{max-width:145px}.actions{align-items:stretch}.actions button{flex:1}.site-footer{padding:18px 16px;flex-direction:column}.message.user{margin-left:12px}.choices.inline .option{padding:10px 12px}.question-count{font-size:13px}}
@media(prefers-reduced-motion:reduce){*,*:before{animation:none!important;transition:none!important;scroll-behavior:auto!important}}