:root{--bg:#eef2f7;--panel:#fff;--ink:#162033;--muted:#5f6b7f;--line:#d5ddea;--accent:#0b5fff;--accent-2:#093ea3;--ok:#0f7a4b;--err:#b42318}*{box-sizing:border-box}body{color:var(--ink);background:linear-gradient(135deg,#e9eef8,#f7fafc);margin:0;font-family:Manrope,Segoe UI,sans-serif}.auth-shell{place-items:center;min-height:100vh;padding:20px;display:grid}.auth-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;gap:10px;width:min(420px,100%);padding:24px;display:grid;box-shadow:0 12px 30px #093ea314}.auth-card input,.auth-card button{border:1px solid var(--line);font:inherit;border-radius:10px;padding:11px}.auth-card button{background:var(--accent);color:#fff;cursor:pointer;border:none;font-weight:700}.app-shell{max-width:1020px;margin:0 auto;padding:20px}.top-bar{justify-content:space-between;align-items:center;gap:12px;display:flex}.top-bar h1{margin:0;font-family:Space Grotesk,Segoe UI,sans-serif}.logout-btn{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:10px;padding:10px 14px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;margin-top:14px;padding:16px}.model-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;display:grid}.model-card{text-align:left;border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:10px;padding:10px}.model-card.active{border-color:var(--accent);background:#edf3ff}.model-title{font-weight:700}textarea,input[type=url],input[type=file]{border:1px solid var(--line);width:100%;font:inherit;border-radius:10px;padding:10px}.hint{color:var(--muted);margin:10px 0 8px}.analyze-btn{background:var(--accent);color:#fff;cursor:pointer;border:0;border-radius:10px;margin-top:14px;padding:12px 18px;font-weight:700}.analyze-btn:hover{background:var(--accent-2)}.analyze-btn:disabled{opacity:.55;cursor:not-allowed}.status{color:var(--ok)}.error{color:var(--err)}.result p{margin:6px 0}@media (width<=640px){.app-shell{padding:12px}.top-bar{flex-direction:column;align-items:flex-start}}