/* PatrasKEP Preview Gate */
body.preview-locked {
  margin: 0;
  background:
    radial-gradient(circle at top, rgba(115, 170, 255, 0.20), transparent 42%),
    linear-gradient(160deg, #06101f 0%, #0a1630 48%, #081120 100%);
}
body.preview-locked > :not(#preview-gate-overlay) {
  display: none !important;
}
#preview-gate-overlay {
  position: fixed; inset: 0; z-index: 999999;
  display: grid; place-items: center;
  background:
    radial-gradient(circle at top, rgba(115, 170, 255, 0.20), transparent 42%),
    linear-gradient(160deg, #06101f 0%, #0a1630 48%, #081120 100%);
  color: #f5f7fb;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
.preview-card {
  width: min(92vw, 440px);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(8,17,32,.72);
  backdrop-filter: blur(18px);
  border-radius: 24px;
  box-shadow: 0 30px 90px rgba(0,0,0,.45);
  padding: 28px;
}
.preview-badge { display:inline-flex; align-items:center; gap:8px; padding: 8px 14px; border-radius:999px; background: rgba(99, 150, 255, .14); border: 1px solid rgba(125, 166, 255, .22); color:#dbe7ff; font-size:13px; font-weight:700; letter-spacing:.02em; }
.preview-card h1 { margin: 18px 0 8px; font-size: 30px; line-height:1.05; }
.preview-card p { margin: 0 0 18px; color:#c8d2e6; line-height:1.55; }
.preview-form { display:grid; gap:12px; }
.preview-input { width:100%; box-sizing:border-box; border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.07); color: #fff; border-radius: 16px; padding: 14px 16px; font-size: 16px; outline: none; }
.preview-input:focus { border-color: rgba(125,166,255,.7); box-shadow:0 0 0 4px rgba(82,125,255,.18); }
.preview-button { border:0; border-radius: 16px; padding: 14px 16px; font-size: 16px; font-weight: 800; background: linear-gradient(135deg, #5f8cff, #8f6bff); color:#fff; cursor:pointer; box-shadow: 0 16px 32px rgba(77, 111, 255, .35); }
.preview-note { margin-top: 14px; font-size: 13px; color:#9fb0d1; }
.preview-error { display:none; margin-top: 10px; color:#ffb6b6; font-size: 13px; }
.preview-footer { margin-top: 18px; font-size: 12px; color:#8da1c5; }
.preview-logo { width: 56px; height: 56px; border-radius:16px; object-fit:contain; background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.12); padding:8px; }
.preview-top { display:flex; align-items:center; gap:14px; }