:root{color-scheme:light dark;--bg: #0f1115;--card: #171a21;--border: #262b36;--text: #e8eaed;--muted: #8b93a3;--accent: #4f8cff;--danger: #ff5c5c;--warn: #ffb454;--ok: #4fd18b;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.app{max-width:640px;margin:0 auto;padding:24px 16px 64px}header{display:flex;align-items:center;gap:10px}header h1{font-size:1.4rem;margin:0;flex:1}.top-nav{display:flex;gap:14px}.top-nav a{color:var(--muted);text-decoration:none;font-size:.85rem}.top-nav a:hover{color:var(--text)}footer a{color:var(--muted)}.tagline{color:var(--muted);margin-top:4px;margin-bottom:24px}main{display:flex;flex-direction:column;gap:20px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px}.card h2{font-size:1.05rem;margin:0 0 14px}.upload-form label{display:flex;flex-direction:column;gap:6px;font-size:.85rem;color:var(--muted);margin-bottom:14px}.upload-form .row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}select,input[type=number]{background:#0f1115;border:1px solid var(--border);color:var(--text);border-radius:8px;padding:8px 10px;font-size:.95rem}.file-drop{border:1px dashed var(--border);border-radius:10px;padding:18px;display:flex;flex-direction:row!important;align-items:center;gap:10px;cursor:pointer;color:var(--text)!important}.file-drop input[type=file]{display:none}button{width:100%;background:var(--accent);color:#fff;border:none;border-radius:8px;padding:12px;font-size:.95rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px}button:disabled{opacity:.6;cursor:not-allowed}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error{color:var(--danger);font-size:.85rem;margin-top:10px}.muted{color:var(--muted)}.feedback .summary{margin-top:0}.corrections{list-style:none;margin:0 0 16px;padding:0;display:flex;flex-direction:column;gap:12px}.corrections li{display:flex;gap:10px;align-items:flex-start;border-left:3px solid var(--border);padding-left:10px}.corrections li p{margin:2px 0 0;color:var(--muted);font-size:.9rem}.corrections li.severity-high{border-color:var(--danger)}.corrections li.severity-high svg{color:var(--danger)}.corrections li.severity-medium{border-color:var(--warn)}.corrections li.severity-medium svg{color:var(--warn)}.corrections li.severity-low{border-color:var(--ok)}.corrections li.severity-low svg{color:var(--ok)}.next-session{background:#0f1115;border-radius:8px;padding:12px 14px}.next-session h3{margin:0 0 6px;font-size:.9rem}.next-session p{margin:0;font-size:.9rem;color:var(--muted)}.history{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}.history li{border-bottom:1px solid var(--border);padding-bottom:12px}.history li:last-child{border-bottom:none;padding-bottom:0}.history-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:.9rem}.history-summary{margin:6px 0 0;color:var(--muted);font-size:.85rem}.status{margin-left:auto;font-size:.75rem;text-transform:uppercase;letter-spacing:.03em;padding:2px 8px;border-radius:999px;border:1px solid var(--border)}.status-complete{color:var(--ok);border-color:var(--ok)}.status-analyzing,.status-pending{color:var(--warn);border-color:var(--warn)}.status-failed{color:var(--danger);border-color:var(--danger)}footer{margin-top:40px;color:var(--muted);font-size:.75rem;line-height:1.5}.allowance-note{font-size:.85rem;margin:0 0 4px}.success{display:flex;align-items:center;gap:8px;color:var(--ok);font-size:.9rem;margin-bottom:16px}.upgrade-prompt .upgrade-head{display:flex;align-items:center;gap:8px;margin-bottom:12px}.upgrade-prompt .upgrade-head h2{margin:0;font-size:1.05rem}.upgrade-prompt p{margin:0 0 8px}.upgrade-prompt button{margin-top:8px}