:root{--bg: #0f172a;--panel: #1e293b;--panel2: #273449;--border: #334155;--text: #e2e8f0;--muted: #94a3b8;--accent: #38bdf8;--green: #22c55e;--red: #ef4444;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:var(--accent)}.app{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--panel);border-right:1px solid var(--border);padding:20px 12px;display:flex;flex-direction:column;gap:4px}.sidebar h1{font-size:16px;margin:0 8px 16px;line-height:1.3}.sidebar a{display:block;padding:10px 12px;border-radius:8px;color:var(--text);text-decoration:none;font-size:14px}.sidebar a.active,.sidebar a:hover{background:var(--panel2)}.sidebar .spacer{flex:1}.sidebar .user{font-size:12px;color:var(--muted);padding:8px}.main{flex:1;padding:28px 36px;max-width:1100px}.main h2{margin-top:0}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:24px}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px}.card .label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.card .value{font-size:24px;font-weight:700;margin-top:6px}.panel{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:18px;margin-bottom:20px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase}.green{color:var(--green)}.red{color:var(--red)}.muted{color:var(--muted)}button{background:var(--accent);color:#06283d;border:none;border-radius:8px;padding:9px 14px;font-weight:600;cursor:pointer;font-size:14px}button.ghost{background:transparent;color:var(--text);border:1px solid var(--border)}button:disabled{opacity:.5;cursor:default}input,select,textarea{background:var(--panel2);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:9px 10px;font-size:14px;width:100%}label{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}.field{margin-bottom:12px}.row{display:flex;gap:12px;flex-wrap:wrap}.row>*{flex:1;min-width:120px}.badge{font-size:11px;padding:2px 8px;border-radius:999px;background:var(--panel2);border:1px solid var(--border)}.pill-open{color:var(--accent)}.pill-closed{color:var(--muted)}.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-box{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:32px;width:340px}.stage{font-size:13px;color:var(--muted);margin:22px 0 8px;text-transform:uppercase;letter-spacing:.05em}.lesson{display:flex;gap:12px;align-items:flex-start;padding:12px;border:1px solid var(--border);border-radius:10px;margin-bottom:8px;background:var(--panel)}.lesson input{width:auto;margin-top:3px}.lesson .title{font-weight:600}.lesson .desc{font-size:13px;color:var(--muted);margin-top:3px}.error{color:var(--red);font-size:13px;margin-top:8px}.note{font-size:13px;color:var(--muted);background:var(--panel2);border-left:3px solid var(--accent);padding:10px 14px;border-radius:6px;margin-bottom:18px}.alert-stack{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}.alert-banner{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:12px 14px;border-radius:10px;border:1px solid var(--border);font-size:14px}.alert-critical{background:#3b1d1d;border-color:var(--red)}.alert-warning{background:#2d2618;border-color:#ca8a04}.alert-body{display:flex;flex-direction:column;gap:4px}.alert-body a{font-size:13px}.alert-msg{color:var(--muted);font-size:13px}.alert-dismiss{padding:4px 8px;min-width:auto}.quote-strip{display:flex;flex-wrap:wrap;align-items:center;gap:10px;background:var(--panel2);border:1px solid var(--border);border-radius:8px;padding:10px 12px;margin-bottom:14px;font-size:14px}.inline-notes{font-size:13px;padding:6px 8px}.ghost-link{color:var(--accent);text-decoration:none;font-size:13px}.ghost-link:hover{text-decoration:underline}.tfa-setup{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-start}.tfa-setup img{background:#fff;padding:8px;border-radius:8px}.chat-panel{display:flex;flex-direction:column;height:calc(100vh - 220px);min-height:380px}.chat-messages{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding-bottom:12px}.chat-msg{display:flex}.chat-msg.user{justify-content:flex-end}.chat-msg.assistant{justify-content:flex-start}.chat-bubble{max-width:75%;padding:10px 14px;border-radius:12px;font-size:14px;white-space:pre-wrap;line-height:1.5;border:1px solid var(--border)}.chat-msg.user .chat-bubble{background:#1c3a52;border-color:#2a5578}.chat-msg.assistant .chat-bubble{background:var(--panel2)}.chat-input{display:flex;gap:8px;border-top:1px solid var(--border);padding-top:12px}.chat-input input{flex:1}.chat-input button{min-width:80px}.ai-review{background:var(--panel2);border:1px solid var(--border);border-radius:8px;padding:12px 14px;font-size:14px;line-height:1.55;white-space:pre-wrap}