:root{--bg:#071522;--panel:#0d2033;--panel2:#10283f;--line:#20384e;--muted:#9fb0c0;--text:#f7fafc;--orange:#ff9825;--orange2:#ffb24d;--blue:#38a9ff;--red:#ff5b64;--green:#39d98a;--shadow:0 18px 50px rgba(0,0,0,.28)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer}.boot{height:100vh;display:grid;place-items:center;align-content:center;gap:25px}.logo{font-size:30px;font-weight:900;letter-spacing:3px}.logo b{color:var(--orange)}.spinner{width:34px;height:34px;border:3px solid #1b3349;border-top-color:var(--orange);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.shell{min-height:100vh;background-image:linear-gradient(rgba(29,57,82,.22) 1px,transparent 1px),linear-gradient(90deg,rgba(29,57,82,.22) 1px,transparent 1px);background-size:70px 70px}.topbar{height:76px;display:flex;align-items:center;padding:0 34px;border-bottom:1px solid #11293c;background:rgba(7,21,34,.93);backdrop-filter:blur(14px);position:sticky;top:0;z-index:30}.topbar .logo{font-size:24px}.topbar nav{margin-left:auto;display:flex;align-items:center;gap:10px}.topbar .userchip{color:var(--muted);font-size:13px;margin-right:8px}.container{max-width:1500px;margin:auto;padding:34px}.hero{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}.hero h1{font-size:34px;margin:0 0 7px}.hero p{margin:0;color:var(--muted)}.btn{border:1px solid var(--line);background:#0b1b2a;color:#eaf2f8;border-radius:11px;padding:11px 16px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;transition:.18s}.btn:hover{transform:translateY(-1px);border-color:#3c5b74}.btn.primary{background:var(--orange);color:#071522;border-color:var(--orange);box-shadow:0 8px 25px rgba(255,152,37,.22)}.btn.danger{color:#ffb5ba;border-color:#73333a}.btn.ghost{background:transparent}.btn.small{padding:7px 10px;border-radius:8px;font-size:12px}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}.project-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:.2s;cursor:pointer}.project-card:hover{transform:translateY(-3px);border-color:#36546e}.cover{height:155px;background:linear-gradient(140deg,#142e46,#0b1b2a);position:relative;overflow:hidden}.cover img{width:100%;height:100%;object-fit:cover}.cover 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p{color:#a9bbca;font-size:19px;max-width:650px;line-height:1.6}.auth-box-wrap{display:grid;place-items:center;padding:40px;background:#08192a}.auth-box{width:min(440px,100%);background:var(--panel);border:1px solid var(--line);padding:34px;border-radius:20px;box-shadow:var(--shadow)}.auth-box h2{margin:0 0 7px}.auth-box>p{color:var(--muted);margin:0 0 25px}.field{display:flex;flex-direction:column;gap:7px;margin:14px 0}.field label{font-size:12px;color:#b8c6d3;font-weight:700}.input,.select,.textarea{width:100%;background:#081827;border:1px solid #294157;color:#fff;border-radius:10px;padding:12px 13px;outline:none}.input:focus,.select:focus,.textarea:focus{border-color:var(--orange)}.textarea{min-height:100px;resize:vertical}.auth-box .btn{width:100%;margin-top:12px}.link{color:var(--orange2);text-decoration:none}.hint{font-size:12px;color:#758a9e;line-height:1.5}.modal-back{position:fixed;inset:0;background:rgba(0,0,0,.65);display:grid;place-items:center;z-index:100;padding:20px}.modal{width:min(560px,100%);max-height:90vh;overflow:auto;background:#0c2032;border:1px solid #2c465d;border-radius:18px;box-shadow:0 30px 90px #000;padding:25px}.modal h2{margin-top:0}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}.project-head{display:flex;gap:16px;align-items:center;margin-bottom:22px}.project-head .back{font-size:20px}.tabs{display:flex;gap:8px;border-bottom:1px solid var(--line);margin-bottom:20px}.tab{padding:12px 16px;color:#94a8ba;border-bottom:2px solid transparent;cursor:pointer;font-weight:700}.tab.active{color:#fff;border-bottom-color:var(--orange)}.project-layout{display:grid;grid-template-columns:1fr 320px;gap:18px}.viewer-card{background:#050b12;border:1px solid var(--line);border-radius:16px;overflow:hidden;min-height:620px;position:relative}.viewer-stage{height:620px;position:relative;overflow:hidden}.viewer-stage canvas{display:block;width:100%;height:100%}.viewer-empty{height:100%;display:grid;place-items:center;color:#7890a6;text-align:center;padding:30px}.sidepanel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:14px;min-height:620px}.sidepanel h3{margin:5px 5px 13px}.thumb-list{display:grid;gap:10px;max-height:520px;overflow:auto;padding-right:3px}.thumb{display:grid;grid-template-columns:90px 1fr;gap:10px;align-items:center;border:1px solid #233c53;background:#0a1a29;border-radius:10px;padding:7px;cursor:pointer}.thumb.active{border-color:var(--orange);box-shadow:0 0 0 1px var(--orange) inset}.thumb img{width:90px;height:58px;object-fit:cover;border-radius:7px;background:#162b3d}.thumb .name{font-size:12px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.thumb 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.qrbox svg{display:block;width:260px;height:260px}