:root{--bg: #0b1020;--panel: #141a2e;--panel-2: #1b2340;--panel-3: #20294a;--line: #263056;--text: #e7ecff;--muted: #8a93b8;--accent: #5b8cff;--accent-2: #7c5cff;--ok: #35c88f;--danger: #ee8274;--shadow: 0 18px 50px rgba(0,0,0,.22)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.app{display:flex;height:100vh;overflow:hidden}.sidebar{width:280px;min-width:280px;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column}.brand{padding:18px 16px;font-weight:700;font-size:18px;background:linear-gradient(90deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}.brand small{display:block;font-size:11px;color:var(--muted);-webkit-text-fill-color:var(--muted);font-weight:400}.list{flex:1;overflow-y:auto;padding:8px}.item{padding:12px 14px;border-radius:12px;cursor:pointer;margin-bottom:4px;border:1px solid transparent}.item:hover{background:var(--panel-2)}.item.active{background:var(--panel-2);border-color:var(--line)}.item .name{font-weight:600;font-size:14px}.item .desc{font-size:12px;color:var(--muted);margin-top:2px;line-height:1.3}.badge{font-size:10px;padding:1px 6px;border-radius:6px;background:var(--line);color:var(--muted);margin-left:6px}.main{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{padding:14px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.topbar .title{font-weight:600}.topbar .actions button{margin-left:8px}.messages{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:14px}.msg{max-width:720px;padding:12px 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span{color:var(--muted);font-size:11px;margin-top:2px}.download-link{color:#a9c0ff;font-size:12px;font-weight:650;text-decoration:none;white-space:nowrap}.download-link:hover,.download-link:focus{color:#fff;text-decoration:underline}.composer{padding:16px 20px;border-top:1px solid var(--line);display:flex;gap:10px}textarea,input{background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:12px;padding:12px 14px;font:inherit;width:100%;resize:none;outline:none}textarea:focus,input:focus{border-color:var(--accent)}button{background:var(--accent);color:#fff;border:none;border-radius:12px;padding:10px 18px;font:inherit;font-weight:600;cursor:pointer}button.ghost{background:transparent;border:1px solid var(--line);color:var(--muted)}button:disabled{opacity:.5;cursor:default}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}select{background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:10px;padding:10px 12px;font:inherit}.center{display:flex;align-items:center;justify-content:center;height:100vh}.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:28px;width:360px}.card h1{margin:0 0 4px;font-size:22px}.card p{color:var(--muted);margin:0 0 20px;font-size:13px}.card label{display:block;font-size:12px;color:var(--muted);margin:12px 0 6px}.card button{width:100%;margin-top:18px}.err{color:#ff6b6b;font-size:13px;margin-top:10px}.empty{color:var(--muted);text-align:center;margin-top:80px}.admin{padding:24px;overflow-y:auto}.admin h2{margin-top:0}.admin table{width:100%;border-collapse:collapse;font-size:14px}.admin th,.admin td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}.admin th{color:var(--muted);font-weight:500}.admin-shell{max-width:1400px;margin:0 auto;padding:28px clamp(16px,3vw,38px) 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var(--line)}.documents-table th{color:var(--muted);font-weight:550;background:#141a2eb3}.documents-table tbody tr:last-child td{border-bottom:none}.documents-table td:nth-child(3){max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.format-pill{display:inline-block;padding:3px 6px;border-radius:5px;background:#313a62;font-size:10px;font-weight:750}.format-pdf{background:#6d1d35}.format-xlsx{background:#175738}.format-pptx{background:#6b371d}.documents-empty{color:var(--muted);text-align:center;padding:30px!important}.document-pagination{display:flex;align-items:center;justify-content:center;gap:14px;margin:18px 0 4px;color:var(--muted);font-size:13px}.document-pagination button{padding:7px 12px}@media (max-width: 1100px){.admin-grid{grid-template-columns:1fr}}@media (max-width: 720px){.sidebar{position:absolute;z-index:10;height:100%;transform:translate(-100%);transition:transform 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