:root{
  --bg:#000000;
  --panel:#0f0f0f;
  --line:#262626;
  --text:#ffffff;
  --muted:#b8b8b8;
  --muted2:#8f8f8f;
  --shadow:0 18px 50px rgba(0,0,0,.45);
  --radius:18px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:#000;color:var(--text);font-family:Arial,Helvetica,sans-serif}
body{
  background-image:
    radial-gradient(circle at top left, rgba(255,255,255,.04), transparent 28%),
    linear-gradient(180deg, rgba(255,255,255,.02), transparent 18%);
}
a{color:#fff;text-decoration:none}
.portal-container{width:min(1120px,92%);margin:0 auto}
.portal-main{min-height:calc(100vh - 140px);padding:34px 0}
.portal-header{
  position:sticky;top:0;z-index:50;
  background:rgba(0,0,0,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.portal-nav{
  display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px 0;
}
.portal-brand strong{display:block;font-size:1rem}
.portal-brand span{display:block;font-size:.75rem;color:var(--muted2);text-transform:uppercase;letter-spacing:.08em;margin-top:3px}
.portal-links{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.portal-links a{color:var(--muted);font-size:.95rem}
.portal-links a:hover{color:#fff}
.portal-link-action{
  padding:10px 14px;border:1px solid rgba(255,255,255,.12);
  border-radius:12px;background:#111;color:#fff !important;
}
.portal-card{
  background:linear-gradient(180deg,#111,#090909);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow);
}
.portal-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.portal-center{width:min(620px,92%);margin:0 auto}
.portal-title{margin:0 0 10px;font-size:2rem;line-height:1.1}
.portal-subtitle{margin:0;color:var(--muted);line-height:1.7}
.portal-top{margin-bottom:18px}
.portal-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.portal-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:46px;padding:0 18px;border-radius:14px;border:none;
  background:#fff;color:#000;font-weight:700;cursor:pointer;
}
.portal-btn-outline{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:46px;padding:0 18px;border-radius:14px;
  border:1px solid rgba(255,255,255,.12);background:transparent;color:#fff;
}
.portal-form-group{margin-bottom:16px}
.portal-form-group label{display:block;margin-bottom:8px;color:#ddd}
.portal-input,.portal-textarea{
  width:100%;min-height:50px;padding:13px 14px;border-radius:14px;
  border:1px solid rgba(255,255,255,.10);background:#050505;color:#fff;outline:none;
}
.portal-notice{
  padding:14px 16px;border-radius:14px;border:1px solid rgba(255,255,255,.08);
  background:#0c0c0c;color:var(--muted);line-height:1.6;margin-bottom:14px;
}
.portal-table-wrap{overflow:auto;border-radius:16px}
.portal-table{
  width:100%;border-collapse:collapse;background:#0d0d0d;border:1px solid rgba(255,255,255,.08)
}
.portal-table th,.portal-table td{
  padding:14px 16px;border-bottom:1px solid rgba(255,255,255,.06);text-align:left;vertical-align:middle
}
.portal-table th{background:#050505;color:var(--muted);font-size:.9rem;font-weight:600}
.portal-empty{
  padding:18px;border-radius:14px;background:#0a0a0a;border:1px solid rgba(255,255,255,.08);color:var(--muted)
}
.portal-detail-list{display:grid;gap:10px}
.portal-detail-row{
  display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.06)
}
.portal-detail-row:last-child{border-bottom:none}
.portal-footer{border-top:1px solid rgba(255,255,255,.06);background:#000}
.portal-footer p{margin:0;padding:20px 0;color:var(--muted2)}
.mono{font-family:Consolas,Monaco,monospace;word-break:break-all}
@media (max-width: 980px){
  .portal-nav{flex-direction:column;align-items:flex-start}
  .portal-grid-2{grid-template-columns:1fr}
  .portal-title{font-size:1.7rem}
}