:root{--primary: #008bff;--primary-hover: #0066cc;--primary-soft: #eff6ff;--fg: #09090b;--muted: #71717b;--subtle: #a1a1aa;--border: #e4e4e7;--surface: #ffffff;--sidebar: #fafafa;--accent: #f4f4f5;--radius: 6px;--radius-lg: 10px;--success-bg: rgba(34, 197, 94, .1);--success-fg: #15803d;--warning-bg: rgba(250, 204, 21, .16);--warning-fg: #a16207;--danger-bg: rgba(239, 68, 68, .1);--danger-fg: #b91c1c;--info-bg: rgba(0, 139, 255, .1);--info-fg: #0066cc;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--fg);background:var(--surface);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.app-shell{min-height:100vh}.topbar{height:60px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;background:var(--surface);border-bottom:1px solid var(--border);position:relative;z-index:2}.brand{display:flex;align-items:center;gap:10px;min-width:0}.brand__divider{width:1px;height:24px;background:var(--border);margin:0 6px}.brand strong{display:block;font-size:14px;font-weight:600;line-height:20px}.brand span:not(.brand__divider){display:block;color:var(--muted);font-size:12px;line-height:16px}.topbar__right{display:flex;align-items:center;gap:16px}.environment{color:var(--muted);display:flex;align-items:center;gap:8px;font-size:12px;white-space:nowrap}.environment span{height:6px;width:6px;border-radius:50%;background:#22c55e}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--radius);font-weight:500;font-size:14px;line-height:20px;min-height:36px;padding:0 14px;transition:background-color .15s,color .15s,border-color .15s}.button:disabled{opacity:.5}.button--new,.button--outline{background:var(--surface);color:var(--fg);border-color:var(--border)}.button--new:hover:not(:disabled),.button--outline:hover:not(:disabled){background:var(--accent)}.button--primary{background:var(--primary);color:#fff}.button--primary:hover:not(:disabled){background:var(--primary-hover)}.button--soft{color:var(--info-fg);background:var(--primary-soft)}.button--soft:hover:not(:disabled){background:#dbeafe}.button--text{color:var(--muted);background:transparent}.button--text:hover:not(:disabled){color:var(--danger-fg);background:var(--danger-bg)}.button--small{min-height:32px;font-size:13px;padding:0 10px}.button--add{min-height:32px;background:transparent;color:var(--primary);padding-left:0}.button--add:hover:not(:disabled){color:var(--primary-hover)}.global-error{position:fixed;top:72px;right:24px;z-index:10;display:flex;align-items:center;gap:16px;max-width:min(480px,calc(100vw - 32px));padding:12px 14px;background:#fef2f2;border:1px solid #fecaca;color:var(--danger-fg);box-shadow:0 8px 24px #00000014;border-radius:var(--radius-lg);font-size:14px}.global-error button{padding:3px;display:grid;place-items:center;color:inherit;border:0;background:transparent}.workspace{display:grid;grid-template-columns:minmax(380px,.9fr) minmax(520px,1.1fr);height:calc(100vh - 60px);min-height:600px}.workspace--empty{display:flex;justify-content:center;background:var(--sidebar)}.workspace--empty .chat-panel{width:min(760px,100%);border-left:1px solid var(--border)}.chat-panel{display:flex;flex-direction:column;background:var(--surface);border-right:1px solid var(--border);min-height:0}.chat-panel__head{flex:none;padding:24px 32px 20px;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;border-bottom:1px solid var(--border)}.eyebrow{color:var(--muted);font-size:12px;line-height:16px}.chat-panel__head h1{margin:0 0 4px;font-size:24px;line-height:32px;font-weight:600}.chat-panel__head p{max-width:420px;margin:0;color:var(--muted);font-size:14px;line-height:20px}.chat-scroll{flex:1;overflow-y:auto;padding:24px 32px 16px;min-height:0;scrollbar-width:thin}.welcome{margin:24px auto 0;max-width:440px;text-align:center}.welcome__icon{margin:0 auto 16px;display:grid;place-items:center}.welcome h2{margin:0 0 8px;font-size:20px;line-height:28px;font-weight:600}.welcome p{margin:0 auto 20px;max-width:360px;font-size:14px;line-height:20px;color:var(--muted)}.examples{display:grid;gap:8px;text-align:left}.examples button{display:flex;align-items:center;justify-content:space-between;text-align:left;gap:12px;width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-lg);color:var(--fg);background:var(--surface);font-size:14px;line-height:20px}.examples button svg{flex:none;color:var(--subtle)}.examples button:hover:not(:disabled){background:var(--accent)}.examples button:hover:not(:disabled) svg{color:var(--primary)}.message{display:flex;align-items:flex-start;gap:10px;margin-bottom:20px}.message__avatar{display:grid;place-items:center;width:28px;height:28px;flex:none;border-radius:50%;color:var(--muted);background:var(--accent);font-size:11px;font-weight:600}.message--assistant .message__avatar{background:transparent}.message__content{flex:1;min-width:0}.message__meta{height:28px;display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600}.message__meta time{font-size:12px;color:var(--subtle);font-weight:400}.message__bubble{display:inline-block;max-width:100%;border-radius:var(--radius-lg);padding:0;font-size:14px;line-height:22px;white-space:pre-wrap;overflow-wrap:anywhere;color:var(--fg)}.message--user .message__bubble{background:var(--accent);padding:8px 12px}.typing{display:flex;gap:4px;padding:8px 2px}.typing i{width:5px;height:5px;border-radius:50%;background:var(--subtle);animation:typing 1s ease-in-out infinite alternate}.typing i:nth-child(2){animation-delay:.16s}.typing i:nth-child(3){animation-delay:.32s}@keyframes typing{to{opacity:.35;transform:translateY(-3px)}}.question-prompt{margin:4px 0 20px 38px;padding:10px 14px;border:1px solid #bfdbfe;background:var(--primary-soft);border-radius:var(--radius-lg)}.question-prompt span{color:var(--info-fg);font-size:12px;font-weight:600}.question-prompt p{margin:2px 0 0;color:var(--fg);font-size:14px;line-height:20px}.composer{flex:none;background:var(--surface);padding:12px 32px}.composer__box{display:flex;align-items:flex-end;gap:6px;padding:6px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface)}.composer__box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px var(--info-bg)}.composer textarea{flex:1;min-width:0;max-height:160px;padding:8px 10px;resize:none;border:0;outline:0;color:var(--fg);background:transparent;font-size:14px;line-height:20px}.composer textarea:focus{outline:0}.composer textarea::placeholder{color:var(--muted)}.composer__box button{width:36px;height:36px;flex:none;display:grid;place-items:center;color:#fff;background:var(--primary);border:0;border-radius:var(--radius)}.composer__box button:hover:not(:disabled){background:var(--primary-hover)}.composer__box button:disabled{background:#d4d4d8}.composer p{margin:8px 0 0;color:var(--muted);text-align:center;font-size:12px}.card-panel{background:var(--sidebar);overflow-y:auto;padding:24px clamp(24px,3.5vw,48px) 48px;min-height:0;scrollbar-width:thin}.card-panel__head h2{margin:4px 0 12px;max-width:760px;font-size:24px;line-height:32px;font-weight:600;overflow-wrap:anywhere}.card-panel__head-bottom{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.card-panel__version{color:var(--muted);font-size:12px}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:999px;color:#52525b;background:var(--accent);font-size:12px;line-height:16px;font-weight:500;white-space:nowrap}.badge--green{color:var(--success-fg);background:var(--success-bg)}.badge--amber{color:var(--warning-fg);background:var(--warning-bg)}.badge--blue{color:var(--info-fg);background:var(--info-bg)}.notice{display:flex;gap:8px;align-items:flex-start;margin:16px 0 24px;padding:0;border:0;background:transparent;color:var(--warning-fg)}.notice--existing{color:var(--success-fg)}.notice__icon{display:grid;place-items:center;width:16px;height:16px;flex:none;margin-top:2px;border:1.5px solid currentColor;border-radius:50%;font-size:10px;font-weight:700}.notice p{margin:0;font-size:13px;line-height:20px}.section-title{margin:0 0 12px;display:flex;align-items:center;justify-content:space-between;gap:8px}.section-title>div{display:flex;align-items:center;gap:8px}.section-title h3{margin:0;font-size:16px;line-height:24px;font-weight:600}.section-title__hint{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:12px}.fields-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding:20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg)}.field{min-width:0;display:block}.field--wide{grid-column:1 / -1}.field__label{display:block;margin:0 0 6px;color:var(--fg);font-size:13px;font-weight:500;line-height:20px}.field input,.characteristic input{width:100%;height:36px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--fg);padding:0 10px;font-size:14px;transition:border-color .15s,box-shadow .15s}.field input:hover:not(:disabled),.characteristic input:hover:not(:disabled){border-color:#d4d4d8}.field input:focus,.characteristic input:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 3px var(--info-bg)}.field input:disabled,.characteristic input:disabled{color:var(--muted);background:var(--sidebar)}.field input::placeholder,.characteristic input::placeholder{color:var(--subtle)}.field__meta{display:block;margin:4px 1px 0;color:var(--muted);font-size:12px;line-height:16px}.section-title--characteristics{margin-top:32px}.empty-characteristics{padding:16px;border:1px dashed var(--border);border-radius:var(--radius-lg);color:var(--muted);background:var(--surface);font-size:14px;line-height:20px}.characteristics{display:grid;gap:8px;padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg)}.characteristic{display:grid;grid-template-columns:minmax(90px,1.3fr) minmax(70px,1fr) minmax(50px,.55fr) 32px;gap:8px;align-items:start}.characteristic small{grid-column:1 / -1;margin:-2px 0 4px 1px;color:var(--muted);font-size:12px}.icon-button{width:32px;height:36px;display:grid;place-items:center;border:0;border-radius:var(--radius);background:transparent;color:var(--subtle)}.icon-button:hover:not(:disabled){color:var(--danger-fg);background:var(--danger-bg)}.card-panel__footer{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}.card-panel__footnote{color:var(--muted);font-size:12px;line-height:18px;margin:10px 0 0}.comparison{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.comparison__side{min-width:0;padding:20px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface)}.comparison__side h3{margin:0 0 16px;font-size:16px;font-weight:600}.comparison__side h4{margin:16px 0 8px;font-size:14px;font-weight:600}.comparison__side dl{margin:0;display:grid;gap:10px}.comparison__side dt{color:var(--muted);font-size:12px}.comparison__side dd{margin:2px 0 0;font-size:14px;line-height:20px;overflow-wrap:anywhere}.comparison__side ul{margin:0;padding-left:18px;font-size:14px;line-height:22px;overflow-wrap:anywhere}.comparison__side p{margin:0;color:var(--muted);font-size:14px}.candidates-section{margin-top:32px;padding-top:24px;border-top:1px solid var(--border)}.candidates-section__intro{margin:-4px 0 16px;color:var(--muted);font-size:14px;line-height:20px}.candidate-list{display:grid;gap:12px}.candidate{padding:16px 20px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface)}.candidate--selected{border-color:var(--primary);box-shadow:0 0 0 3px var(--info-bg)}.candidate__top{display:flex;gap:6px;flex-wrap:wrap}.candidate h4{margin:10px 0 2px;font-size:15px;line-height:22px;font-weight:600}.candidate__class{color:var(--muted);font-size:13px;margin:0 0 10px}.candidate__reason{color:var(--muted);font-size:13px;line-height:20px;margin:0 0 10px}.candidate__facts{color:var(--fg);font-size:13px;line-height:20px;margin:8px 0}.candidate__facts strong{color:var(--success-fg);font-weight:600}.candidate__facts p{margin:2px 0 0;color:#3f3f46}.candidate__facts--different strong{color:var(--warning-fg)}.class-options{margin:12px 0 20px;padding:16px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface)}.class-options>strong{display:block;margin-bottom:10px;font-size:14px;font-weight:600}.class-options>div{display:flex;flex-wrap:wrap;gap:8px}.candidate__full{margin:0 0 10px;color:var(--muted);font-size:13px;line-height:20px}.candidate__full summary{cursor:pointer;color:var(--primary)}.candidate__full p{margin:4px 0 0;color:var(--fg);overflow-wrap:anywhere}.candidate__ids{display:grid;grid-template-columns:1fr 2fr;gap:8px;margin:12px 0;padding:12px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.candidate__ids div{min-width:0}.candidate__ids dt{color:var(--muted);font-size:12px}.candidate__ids dd{color:var(--fg);font-size:13px;font-variant-numeric:tabular-nums;margin:2px 0 0;overflow-wrap:anywhere}.candidate__actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.loading-screen{min-height:calc(100vh - 60px);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;color:var(--muted);text-align:center;padding:24px}.loading-screen h2{margin:0;color:var(--fg);font-weight:600}.loading-screen p{font-size:14px;margin:0 0 8px}.spinner{width:28px;height:28px;border-radius:50%;border:3px solid var(--info-bg);border-top-color:var(--primary);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.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}@media(prefers-reduced-motion:reduce){.typing i,.spinner{animation:none}}@media(max-width:1050px){.workspace{grid-template-columns:minmax(340px,.9fr) minmax(420px,1.1fr)}.chat-panel__head,.chat-scroll,.composer,.card-panel{padding-left:24px;padding-right:24px}.brand__wordmark,.brand__divider{display:none}}@media(max-width:790px){.topbar{height:56px;padding:0 16px}.workspace{display:block;height:auto;min-height:0}.chat-panel{min-height:540px;height:min(690px,calc(100vh - 56px));border-right:0;border-bottom:1px solid var(--border)}.workspace--empty .chat-panel{border-left:0}.card-panel{overflow:visible;padding:24px 16px 48px}.chat-panel__head{padding-top:20px;padding-bottom:16px}.chat-panel__head h1{font-size:20px;line-height:28px}.loading-screen{min-height:calc(100vh - 56px)}}@media(max-width:520px){.topbar{gap:10px}.environment{display:none}.button--new{font-size:0;width:36px;padding:0;gap:0}.button--new svg{width:17px}.chat-panel__head,.chat-scroll,.composer{padding-left:16px;padding-right:16px}.fields-grid{grid-template-columns:1fr;padding:16px}.comparison{grid-template-columns:1fr}.field--wide{grid-column:auto}.card-panel__footer .button{flex:1}.characteristic{grid-template-columns:minmax(85px,1.2fr) minmax(70px,1fr) 56px 28px;gap:6px}.characteristic input{padding:0 6px;font-size:13px}.question-prompt{margin-left:0}}