*{box-sizing:border-box}html{min-height:100%}body{margin:0;min-height:100%}body{color:#172033;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f6f8fb}a{color:inherit}.app-shell{min-height:100dvh;background:radial-gradient(circle at top left,rgba(14,165,233,.18),transparent 32rem),radial-gradient(circle at top right,rgba(16,185,129,.16),transparent 30rem),linear-gradient(180deg,#f8fbff,#eef3f8);padding:28px}.topbar{align-items:center;background:#ffffffc7;border:1px solid rgba(208,216,226,.82);border-radius:8px;box-shadow:0 12px 36px #12203214;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);display:flex;justify-content:space-between;margin:0 auto 24px;max-width:1180px;padding:16px 18px}.brand-link{text-decoration:none}.eyebrow{color:#64748b;font-size:.78rem;font-weight:800;letter-spacing:0;margin:0 0 6px;text-transform:uppercase}h1,h2,p{margin:0}h1{color:#0f172a;font-size:2.5rem;line-height:1.05}h2{color:#0f172a;font-size:1.35rem;line-height:1.2}.workspace{display:grid;gap:18px;grid-template-columns:minmax(0,1fr);margin:0 auto;max-width:1180px}.workspace.narrow{max-width:520px}.registration-panel,.admin-panel{background:#ffffffe6;border:1px solid rgba(208,216,226,.9);border-radius:8px;box-shadow:0 22px 60px #1220321a;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);min-width:0;padding:28px}.panel-heading{margin-bottom:22px}.form-grid{display:grid;gap:16px}.form-grid.two-columns{grid-template-columns:repeat(2,minmax(0,1fr))}.form-grid.compact{gap:14px}.full-row{grid-column:1 / -1}label{display:grid;gap:8px}label span{color:#334155;font-size:.9rem;font-weight:750}input{background:#fff;border:1px solid #cbd5e1;border-radius:8px;color:#172033;font:inherit;min-height:48px;outline:none;padding:0 14px;transition:border-color .2s ease,box-shadow .2s ease;width:100%}input:focus{border-color:#0284c7;box-shadow:0 0 0 3px #0284c729}input:disabled{background:#eef2f7;color:#64748b}button,.admin-button{align-items:center;border:0;border-radius:8px;cursor:pointer;display:inline-flex;font:inherit;font-weight:800;gap:8px;justify-content:center;min-height:44px;padding:0 16px;text-decoration:none}button:disabled{cursor:progress;opacity:.62}.admin-button,.ghost-button{background:#fff;border:1px solid #cbd5e1;color:#0f172a}.admin-button:hover,.ghost-button:hover{border-color:#0284c7}.admin-button span{background:#0284c7;border-radius:999px;color:#fff;display:inline-grid;font-size:.78rem;height:22px;place-items:center;width:22px}.primary-button{background:linear-gradient(135deg,#0284c7,#059669);color:#fff;margin-top:4px}.primary-button:hover{background:linear-gradient(135deg,#0369a1,#047857)}.ghost-button.danger{color:#a3382d}.admin-actions{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}.message{background:#ecfdf5;border:1px solid #a7f3d0;border-radius:8px;color:#047857;font-weight:700;line-height:1.4;margin-top:16px;padding:12px 14px}.message.error{background:#fff0ed;border-color:#efb2a9;color:#9f2f25}.table-wrap{border:1px solid #dbe4ef;border-radius:8px;max-height:520px;overflow:auto}table{border-collapse:collapse;font-size:.92rem;min-width:1180px;width:100%}th,td{border-bottom:1px solid #e2e8f0;padding:13px 14px;text-align:left}th{background:#f1f5f9;color:#334155;font-size:.78rem;font-weight:850;position:sticky;text-transform:uppercase;top:0}td{color:#283342}tbody tr:last-child td{border-bottom:0}.empty{color:#697586;text-align:center}@media(max-width:900px){.app-shell{padding:18px}.topbar{align-items:flex-start;gap:16px}h1{font-size:2rem}}@media(max-width:560px){.topbar{flex-direction:column}.registration-panel,.admin-panel{padding:20px}.admin-button,.primary-button,.ghost-button{width:100%}.form-grid.two-columns{grid-template-columns:1fr}}