:root{
  --bg:#061326;--panel:#0b203a;--gold:#ffc400;--blue:#00a8ff;--text:#f7fbff;--muted:#a9bad0;--border:rgba(255,255,255,.13);--green:#29d17d;--red:#ff5c5c;
}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(circle at top right,#0f3c68,transparent 34%),linear-gradient(180deg,#061326,#020713);color:var(--text);font-family:Arial,Helvetica,sans-serif;min-height:100vh}
a{color:inherit}.wrap{max-width:1120px;margin:0 auto;padding:28px}.nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.brand{font-weight:900;letter-spacing:.04em;font-size:24px}
.navlinks{display:flex;gap:12px;flex-wrap:wrap}.navlinks a,.btn{display:inline-block;text-decoration:none;border:0;border-radius:999px;padding:12px 18px;background:var(--gold);color:#07101d;font-weight:900;cursor:pointer}
.navlinks a.secondary,.btn.secondary{background:#14283f;color:#fff;border:1px solid var(--border)}
.card{background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.03));border:1px solid var(--border);border-radius:26px;padding:26px;box-shadow:0 25px 70px rgba(0,0,0,.28);margin-bottom:18px}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}h1{font-size:clamp(32px,5vw,64px);line-height:.95;margin:0 0 16px}h2,h3{margin-top:0}.muted{color:var(--muted);line-height:1.7}
label{display:block;font-weight:900;margin:10px 0 6px}input,select,textarea{width:100%;padding:14px;border-radius:14px;border:1px solid var(--border);background:#0a1b31;color:var(--text);margin-bottom:12px}
input[type="checkbox"]{width:auto;transform:scale(1.2);margin-right:8px}textarea{min-height:130px}
.notice{background:rgba(0,168,255,.12);border:1px solid rgba(0,168,255,.35);padding:14px;border-radius:16px;margin:14px 0}.warn{background:rgba(255,196,0,.12);border-color:rgba(255,196,0,.4)}.error{background:rgba(255,80,80,.12);border-color:rgba(255,80,80,.4)}
.paid{background:rgba(41,209,125,.12);border-color:rgba(41,209,125,.45)}.unpaid{background:rgba(255,92,92,.12);border-color:rgba(255,92,92,.45)}
table{width:100%;border-collapse:collapse;margin-top:12px}th,td{padding:12px;border-bottom:1px solid var(--border);text-align:left;vertical-align:middle}th{color:var(--gold)}
.badge{display:inline-block;border:1px solid var(--border);border-radius:999px;padding:8px 12px;background:rgba(255,255,255,.05);color:var(--muted);font-size:13px;font-weight:900}.badge.paid-badge{color:var(--green);border-color:rgba(41,209,125,.5)}.badge.unpaid-badge{color:var(--red);border-color:rgba(255,92,92,.5)}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}@media(max-width:800px){.grid{grid-template-columns:1fr}.nav{align-items:flex-start;flex-direction:column;gap:14px}table{font-size:13px}}