.state{min-height:calc(100vh - 68px);display:grid;place-content:center;text-align:center;padding:30px}.spinner{width:36px;height:36px;border:4px solid #d9eee8;border-top-color:var(--teal);border-radius:50%;margin:auto;animation:spin .8s linear infinite}.state-icon{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;margin:auto;background:#fee2e2;color:#b91c1c;font-size:28px;font-weight:800}.hint{padding:12px 16px;background:#fff;border:1px solid var(--line);border-radius:12px}.small{font-size:12px;margin-top:10px}.empty{padding:45px;text-align:center;border:1px dashed #b8cbc7;border-radius:18px;background:#fff}.empty.compact{padding:26px}.material-section{margin-top:26px}.material-section h2{font-size:18px}.files{display:grid;gap:9px}.file-card{display:grid;grid-template-columns:42px 1fr auto;gap:12px;align-items:center;text-align:left;border:1px solid var(--line);border-radius:13px;background:#fff;padding:13px;cursor:pointer}.file-card:hover{border-color:#72c5b8}.file-card span:nth-child(2){display:flex;flex-direction:column}.file-card small{color:var(--muted)}.preserve{white-space:pre-wrap}.phase-note{font-size:13px;margin:0}.read-only{padding:10px;border-radius:10px;background:#f1f5f9;color:#475569;font-size:13px}.score-row input.invalid{border-color:#dc2626;background:#fef2f2}.badge.warn{background:#fee2e2;color:#b91c1c}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);opacity:0;pointer-events:none;padding:11px 18px;border-radius:10px;background:#172033;color:#fff;z-index:20;transition:.2s;box-shadow:0 12px 35px #0003}.toast.show{opacity:1;transform:translate(-50%,0)}.toast.ok{background:#047857}.toast.bad{background:#b91c1c}textarea:disabled,input:disabled{background:#f1f5f9;color:#475569}.buttons button:disabled{opacity:.55;cursor:wait}@keyframes spin{to{transform:rotate(360deg)}}