:root{
  --gate-bg: rgba(0,0,0,.72);
  --gate-card: rgba(14,16,22,.92);
  --gate-line: rgba(255,255,255,.10);
  --gate-text: #e9edf5;
  --gate-muted:#aab3c5;
  --gate-accent:#7c5cff;
  --gate-accent2:#3dd6d0;
  --gate-radius: 18px;
  --gate-shadow: 0 24px 60px rgba(0,0,0,.55);
  --gate-focus: 0 0 0 3px rgba(124,92,255,.35);
}

.gate-overlay{
  position: fixed;
  inset: 0;
  background: var(--gate-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  z-index: 9999;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.gate-card{
  width: min(560px, 100%);
  color: var(--gate-text);
  border: 1px solid var(--gate-line);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border-radius: 22px;
  box-shadow: var(--shadow2);
  padding: 18px 16px 16px;
  position:relative;
  overflow:hidden;
  margin: auto;
}

/* subtle highlight */
.gate-card::before{
  content:"";
  position:absolute;
  inset:-2px;
  background:
    radial-gradient(420px 240px at 20% 0%, rgba(124,92,255,.18), transparent 60%),
    radial-gradient(360px 220px at 80% 0%, rgba(61,214,208,.10), transparent 62%);
  pointer-events:none;
}

.gate-card::before{
  content:"";
  position:absolute;
  inset:-2px;
  background:
    radial-gradient(420px 240px at 20% 0%, rgba(124,92,255,.18), transparent 60%),
    radial-gradient(360px 220px at 80% 0%, rgba(61,214,208,.10), transparent 62%);
  pointer-events:none;
}

.gate-head h2{ margin:0 0 6px; font-size:20px; }
.gate-sub{ margin:0 0 14px; color:var(--gate-muted); font-size:14px; line-height:1.45; }

.gate-label{ display:block; font-size:12px; color:var(--gate-muted); margin:10px 0 6px; }

.gate-row{ display:flex; gap:10px; align-items:center; }

.gate-input{
  flex:1; height:44px; border-radius:12px;
  border:1px solid var(--gate-line);
  background: rgba(0,0,0,.22);
  color: var(--gate-text);
  padding: 0 12px;
  outline:none;
}
.gate-btn{
  height:44px; padding:0 14px; border-radius:12px;
  border:1px solid rgba(124,92,255,.45);
  background: linear-gradient(135deg, rgba(124,92,255,.95), rgba(61,214,208,.55));
  color:rgba(242,242,242,1); font-weight:700; cursor:pointer;
}
.gate-btn:active{ transform: translateY(1px); }

.gate-btn-ghost{ background:transparent; color:var(--gate-text); border-color: var(--gate-line); }

.gate-meta{
  margin-top:10px; display:flex; align-items:center; gap:10px; flex-wrap:wrap;
  color: var(--gate-muted); font-size:13px;
}
.gate-link{ background:none; border:none; padding:0; color: var(--gate-accent2); cursor:pointer; text-decoration:none; }
.gate-link:hover{ text-decoration: underline; }
.gate-dot{ opacity:.6; }

.gate-request{ margin-top:12px; }
.gate-sep{ height:1px; background: var(--gate-line); margin:12px 0; }

.gate-hint{ margin:10px 0 0; font-size:12px; color: var(--gate-muted); }
.gate-msg{ margin:12px 0 0; font-size:13px; min-height:18px; color: var(--gate-muted); }
.gate-msg.ok{ color:#7CFFB2; }
.gate-msg.err{ color:#ff6b8b; }
form input,
form textarea{
  width:100%;
  margin-top:4px;
  padding:.75rem;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.25);
  color:inherit;
  outline:0;
}
 input:focus,
 input:focus-visible{
  border-color: transparent;
    box-shadow:
    0 0 0 2px rgba(124,92,255,.75),
    0 0 0 7px rgba(124,92,255,.18);
}
.captcha{
  display:flex;
  gap:10px;
  align-items:center;
}
.captcha img{
  border-radius:10px;
  cursor:pointer;
  margin: auto;
}