:root{--bg:#0b1220;--panel:#131c2e;--panel2:#1a2540;--text:#e8edf7;--muted:#8a99b8;--accent:#4f8cff;--accent2:#2bd4a0;--danger:#ff6b6b;--border:#243049;--radius:12px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.auth-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:32px;width:100%;max-width:400px}.auth-card h1{margin:0 0 4px;font-size:22px}.auth-card .sub{color:var(--muted);margin:0 0 24px;font-size:14px}.field{margin-bottom:16px}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.field input,.field select{width:100%;padding:10px 12px;background:var(--panel2);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:15px}.field input:focus,.field select:focus{outline:none;border-color:var(--accent)}.btn{width:100%;padding:12px;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;background:var(--accent);color:#fff;transition:opacity .15s}.btn:hover{opacity:.9}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:var(--panel2);border:1px solid var(--border)}.err{background:hsla(0,100%,71%,.12);color:var(--danger);padding:10px 12px;border-radius:8px;margin-bottom:16px}.err,.foot{font-size:14px}.foot{margin-top:18px;text-align:center;color:var(--muted)}.shell{min-height:100vh;background:var(--bg)}.main{padding:24px 28px;max-width:100%}.main h2{margin:0 0 8px}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:var(--panel);border-bottom:1px solid var(--border)}.topbar-inner{max-width:1600px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:16px;min-height:56px;flex-wrap:wrap}.topbar-brand{display:flex;align-items:baseline;gap:8px;white-space:nowrap;margin-right:8px}.topbar-brand .brand-mark{font-size:18px}.topbar-brand .brand-text{font-weight:800;font-size:15px;color:var(--text)}.topbar-brand .brand-cab{font-size:12px;color:var(--muted);border-left:1px solid var(--border);padding-left:8px}.topnav{display:flex;align-items:center;gap:2px;flex-wrap:wrap;flex:1 1}.topnav-link{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:8px;color:var(--muted);font-size:13.5px;font-weight:500;white-space:nowrap;transition:all .12s}.topnav-link:hover{background:var(--panel2);color:var(--text);text-decoration:none}.topnav-link.active{background:var(--accent);color:#fff}.topnav-link .topnav-icon{font-size:14px}.topbar-actions{display:flex;align-items:center;gap:4px;white-space:nowrap}.topbar-action{display:inline-block;padding:8px 12px;border-radius:8px;background:transparent;border:1px solid var(--border);color:var(--muted);font-size:12.5px;cursor:pointer;font-family:inherit;text-decoration:none}.topbar-action:hover{background:var(--panel2);color:var(--text);text-decoration:none}.placeholder{margin-top:24px;background:var(--panel);border:1px dashed var(--border);border-radius:var(--radius);padding:40px;text-align:center;color:var(--muted)}