:root{--bg:#f6f6f7;--surface:#fff;--border:#e3e4e8;--text:#18181b;--muted:#6b7280;--accent:#4f46e5;--accent-soft:#eef2ff;--ok:#16a34a;--ko:#dc2626}*{box-sizing:border-box}html,body{height:100%;margin:0}body{background:var(--bg);color:var(--text);font:14px/1.5 Inter,ui-sans-serif,system-ui,sans-serif}a{color:var(--accent)}button,input,textarea{font:inherit}button{cursor:pointer;border:1px solid var(--border);background:var(--surface);border-radius:8px;padding:8px 12px}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button:disabled{opacity:.6;cursor:default}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px}.muted{color:var(--muted)}.ko{color:var(--ko)}.ok{color:var(--ok)}.shell{max-width:1400px;margin:0 auto;padding:16px}.shell.large{max-width:none}.topbar{justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.workspace{grid-template-columns:minmax(320px,400px) 1fr;gap:16px;min-height:calc(100vh - 90px);display:grid}.workspace.replie{grid-template-columns:1fr}@media (max-width:900px){.workspace{grid-template-columns:1fr}}.chat{flex-direction:column;gap:10px;display:flex}.messages{flex-direction:column;gap:8px;max-height:55vh;display:flex;overflow-y:auto}.msg{white-space:pre-wrap;border-radius:10px;padding:8px 10px}.msg.user{background:var(--accent-soft);align-self:flex-end;max-width:92%}.msg.assistant{background:var(--bg);border:1px solid var(--border);max-width:92%}.msg small{color:var(--muted);margin-top:4px;display:block}textarea{border:1px solid var(--border);resize:vertical;border-radius:8px;width:100%;padding:10px}iframe.preview{border:1px solid var(--border);background:#fff;border-radius:10px;width:100%;height:calc(100vh - 170px)}.versions{flex-direction:column;gap:6px;margin:0;padding:0;font-size:13px;list-style:none;display:flex}.versions li{flex-wrap:wrap;align-items:baseline;gap:8px;display:flex}input[type=password]{border:1px solid var(--border);border-radius:8px;width:100%;padding:10px}.travail{align-items:center;gap:8px;display:inline-flex}.travail .points{gap:4px;display:inline-flex}.travail .points i{background:var(--accent);opacity:.3;border-radius:50%;width:6px;height:6px;animation:1.2s ease-in-out infinite respire}.travail .points i:nth-child(2){animation-delay:.2s}.travail .points i:nth-child(3){animation-delay:.4s}@keyframes respire{0%,80%,to{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}@media (prefers-reduced-motion:reduce){.travail .points i{opacity:.8;animation:none}}table.usage{border-collapse:collapse;width:100%;font-size:13px}table.usage th,table.usage td{border-bottom:1px solid var(--border);white-space:nowrap;padding:4px 8px}table.usage thead th{text-align:right;font-weight:600}table.usage thead tr:first-child th[colspan]{text-align:center;border-left:1px solid var(--border)}table.usage .num{text-align:right;font-variant-numeric:tabular-nums}table.usage tfoot td{border-bottom:none;font-weight:600}.barre{background:var(--border);border-radius:4px;height:8px;overflow:hidden}.barre i{background-color:var(--accent);background-image:repeating-linear-gradient(-45deg,#ffffff59 0 8px,#0000 8px 16px);background-size:22.6px 100%;height:100%;transition:width .5s linear;animation:.8s linear infinite defile;display:block}@keyframes defile{0%{background-position:0 0}to{background-position:22.6px 0}}@media (prefers-reduced-motion:reduce){.barre i{animation:none}}