:root{--bg:#0b1220;--panel:#121a2b;--muted:#7b8aa5;--text:#e9eefc;--brand:#3b82f6;--brand-600:#2563eb;--brand-700:#1d4ed8;--danger:#ef4444;--warning:#f59e0b;--success:#10b981;--border:#3a64c4;--shadow:0 10px 30px rgba(0,0,0,.35)}html,body,#root{height:100%;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}body{margin:0;background:linear-gradient(180deg,#0a1020,#0e1530 60%,#0b1220);color:var(--text);font-family:ui-sans-serif,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.app-shell{max-width:1000px;margin:0 auto;padding:24px}.topbar{display:flex;justify-content:space-between;align-items:center;margin:18px 0 24px;padding:16px 18px;background:rgba(18,26,43,.75);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow)}.topbar h1{margin:0;font-size:22px;letter-spacing:.3px}.controls{display:flex;align-items:center;gap:10px}.input{padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:#0f1627;color:var(--text);outline:none;min-width:140px}.input::placeholder{color:#8794b0}.btn{cursor:pointer;border:none;border-radius:10px;padding:10px 14px;color:#fff;transition:.2s box-shadow,.2s transform}.btn:hover{transform:translateY(-1px);box-shadow:0 8px 18px #3b82f640}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-600))}.btn-secondary{background:#1f2b46}.btn-warning{background:linear-gradient(135deg,#10b981b6,#0596685e)}.btn-danger{background:linear-gradient(135deg,#ef4444,#dc262681)}.btn-success{background:linear-gradient(135deg,#10b981b6,#0596685e)}.panel{background:rgba(18,26,43,.85);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow)}.panel-body{padding:18px}.alert{border-radius:10px;padding:12px 14px;margin:10px 0}.alert-error{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.35);color:#fecaca}.note-card{margin-bottom:16px;padding:16px;border:1px solid var(--border);border-radius:14px;background:#0f1627;box-shadow:0 8px 20px #00000040}.note-meta{font-size:12px;color:var(--muted);margin-top:10px;border-top:1px dashed var(--border);padding-top:10px}.muted{color:var(--muted)}.grid{display:grid;gap:14px}.row{display:flex;gap:10px;align-items:center}.form label{display:block;margin:0 0 6px 2px;color:var(--muted);font-size:13px}.form .field{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:#0f1627;color:var(--text);box-sizing:border-box}.form .textarea{resize:vertical}.empty{text-align:center;padding:48px;color:var(--muted);background:rgba(18,26,43,.65);border:1px dashed var(--border);border-radius:14px}.auth-card{max-width:420px;margin:70px auto;padding:0}.auth-header{padding:18px 18px 0}.auth-body{padding:18px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(0,0,0,.55);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;z-index:50}.modal{width:min(520px,92vw);background:rgba(18,26,43,.98);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}.modal-header{padding:16px 18px;border-bottom:1px solid var(--border)}.modal-body{padding:18px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;padding:0 18px 16px}@media (max-width: 530px){.controls{flex-direction:column}.controls .input,.controls .btn{width:100%}.topbar{flex-direction:column;gap:12px}.form .textarea{min-height:30px}}