:root{--ink:#172033;--muted:#677286;--line:#dfe4ea;--paper:#fff;--wash:#f3f5f7;--red:#e31837;--red-dark:#b10f29;--navy:#101827;--green:#0f7b55;--amber:#9a6200;--shadow:0 18px 55px rgba(16,24,39,.1);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--wash)}
*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;min-height:100vh;background:linear-gradient(135deg,#eef1f4 0,#fafafa 48%,#eef1f4 100%)}button,input,textarea{font:inherit}.site-header{height:76px;padding:0 clamp(20px,5vw,72px);background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;box-shadow:0 6px 22px rgba(16,24,39,.22)}.brand{display:flex;gap:12px;align-items:center;color:#fff;text-decoration:none}.brand-mark{width:42px;height:42px;border:2px solid #fff;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:14px;letter-spacing:-.5px}.brand strong,.brand small{display:block}.brand small{font-size:12px;color:#aeb8c7;margin-top:2px}.user-area{display:flex;align-items:center;gap:14px;font-size:14px}main{max-width:1240px;margin:0 auto;padding:clamp(24px,5vw,64px) clamp(16px,4vw,44px)}.auth-card{max-width:440px;margin:5vh auto;background:var(--paper);border-radius:18px;padding:clamp(26px,5vw,44px);box-shadow:var(--shadow);border:1px solid #edf0f3}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:11px;font-weight:800;color:var(--red);margin:0 0 8px}h1{font-size:clamp(28px,4vw,42px);line-height:1.08;letter-spacing:-.035em;margin:0 0 12px}h2{font-size:18px;margin:0}.muted{color:var(--muted);line-height:1.55;margin:0 0 24px}form{display:grid;gap:18px}label{display:grid;gap:7px;font-size:13px;font-weight:700}input,textarea{width:100%;border:1px solid #ccd3dc;border-radius:10px;background:#fff;color:var(--ink);padding:12px 13px;outline:none;transition:border .15s,box-shadow .15s}input:focus,textarea:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(227,24,55,.12)}textarea{resize:vertical;line-height:1.5}.button{border:0;border-radius:9px;padding:11px 17px;font-weight:750;cursor:pointer}.button:disabled{opacity:.6;cursor:wait}.button-primary{background:var(--red);color:#fff;box-shadow:0 7px 18px rgba(227,24,55,.2)}.button-primary:hover{background:var(--red-dark)}.button-quiet{background:rgba(255,255,255,.1);color:#fff}.form-error{color:#b42318;font-size:13px;min-height:1.3em;margin:0}.workspace{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);grid-template-areas:"entry history" "result history";gap:22px;align-items:start}.case-entry,.history-panel,.result-panel{background:var(--paper);border:1px solid #e3e7ec;border-radius:18px;box-shadow:0 10px 34px rgba(16,24,39,.07)}.case-entry{grid-area:entry;padding:clamp(24px,4vw,38px)}.history-panel{grid-area:history;overflow:hidden;position:sticky;top:24px}.result-panel{grid-area:result;padding:clamp(24px,4vw,38px);min-height:220px}.form-row{display:grid;grid-template-columns:1.4fr .7fr;gap:14px}.optional{font-weight:500;color:var(--muted)}.form-actions{display:flex;align-items:center;gap:15px;flex-wrap:wrap}.safety-note{color:var(--green);font-size:12px;font-weight:700}.panel-title{display:flex;justify-content:space-between;align-items:center;padding:20px 22px;border-bottom:1px solid var(--line)}.icon-button{border:0;background:#eef1f4;border-radius:8px;width:34px;height:34px;cursor:pointer;font-size:20px}.case-list{max-height:calc(100vh - 210px);overflow:auto}.case-item{display:block;width:100%;text-align:left;background:#fff;border:0;border-bottom:1px solid var(--line);padding:16px 22px;cursor:pointer}.case-item:hover,.case-item.active{background:#f8f9fa}.case-item.active{box-shadow:inset 3px 0 var(--red)}.case-vin{display:flex;justify-content:space-between;gap:10px;font-weight:750;font-size:13px}.case-prompt{margin:6px 0;color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.case-meta{font-size:11px;color:#8791a2}.status{display:inline-flex;align-items:center;border-radius:99px;padding:4px 8px;font-size:10px;text-transform:uppercase;letter-spacing:.05em;background:#edf0f4;color:#4c586b}.status.complete{background:#e6f5ee;color:var(--green)}.status.failed{background:#fce8e8;color:#a21c1c}.status.needs_input{background:#fff1d6;color:var(--amber)}.empty-state{text-align:center;padding:28px 12px;color:var(--muted)}.empty-state h2{color:var(--ink);margin:12px 0 7px}.empty-state p{max-width:500px;margin:auto;line-height:1.5}.empty-icon{width:46px;height:46px;border-radius:50%;background:#e7f4ee;color:var(--green);display:inline-grid;place-items:center;font-weight:900}.result-head{display:flex;justify-content:space-between;gap:16px;align-items:start;margin-bottom:22px}.result-vin{font-size:12px;letter-spacing:.08em;color:var(--muted);margin-top:7px}.answer-block{border-top:1px solid var(--line);padding:17px 0}.answer-block:first-of-type{border-top:0}.answer-label{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--red);font-weight:850;margin-bottom:7px}.answer-block p{margin:0;line-height:1.6}.needed{margin:0;padding-left:20px;display:grid;gap:8px;line-height:1.45}.question{background:#fff5df;border-left:3px solid #d28a00;padding:14px 15px;border-radius:0 9px 9px 0;margin-top:12px}.pending{display:flex;gap:14px;align-items:center;color:var(--muted)}.spinner{width:24px;height:24px;border-radius:50%;border:3px solid #dfe4ea;border-top-color:var(--red);animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}footer{text-align:center;color:#7e8796;font-size:11px;padding:0 20px 28px}
@media(max-width:800px){.site-header{height:66px;padding:0 16px}.brand-mark{width:36px;height:36px}.user-area #user-name{display:none}main{padding:20px 12px}.workspace{grid-template-columns:1fr;grid-template-areas:"entry" "result" "history"}.history-panel{position:static}.case-list{max-height:360px}.form-row{grid-template-columns:1fr}.case-entry,.result-panel{border-radius:14px}.form-actions .button{width:100%}.safety-note{width:100%;text-align:center}}
dialog{width:min(92vw,480px);border:0;border-radius:16px;padding:0;box-shadow:0 24px 70px rgba(16,24,39,.3)}dialog::backdrop{background:rgba(16,24,39,.58)}.dialog-form{padding:26px}.dialog-title{display:flex;justify-content:space-between;align-items:center}.dialog-title h2{font-size:22px}.dialog-form .form-actions{margin-top:4px}
.case-list-empty { padding: 20px 22px; }