body { font-family: 'Open Sans', sans-serif; margin: 0; background: #fff; color: #0f172a; }
.page { max-width: 980px; margin: 0 auto; padding: 44px 20px 32px; }
h1 { font-weight: 600; font-size: 48px; line-height: 1.1; margin: 0 0 10px; }
.subhead { color: #64748b; font-size: 16px; margin: 0 0 34px; }
.card { display: grid; grid-template-columns: 1fr 1.2fr; gap: 22px; border-top: 1px solid #e2e8f0; padding-top: 28px; }
@media (max-width: 860px) { .card { grid-template-columns: 1fr; } h1 { font-size: 36px; } }
.left { padding-right: 18px; border-right: 1px solid #e2e8f0; }
@media (max-width: 860px) { .left { border-right: none; border-bottom: 1px solid #e2e8f0; padding-right: 0; padding-bottom: 18px; } }
.item { display: grid; grid-template-columns: 28px 1fr; gap: 10px; margin-bottom: 18px; }
.icon { width: 22px; height: 22px; color: #94a3b8; margin-top: 2px; }
.item h3 { margin: 0; font-size: 16px; font-weight: 600; color: #0f172a; }
.item p { margin: 4px 0 0; color: #64748b; font-size: 14px; line-height: 1.35; }

.form { padding-left: 18px; }
@media (max-width: 860px) { .form { padding-left: 0; } }
.field { margin-bottom: 14px; }
.input, .btn { font-family: inherit; }
.input { width: 100%; height: 44px; border: 1px solid #cbd5e1; border-radius: 6px; padding: 0 12px; font-size: 14px; outline: none; box-sizing: border-box; }
.input:focus { border-color: var(--accent-color, #2563eb); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12); }
.domainRow { display: grid; grid-template-columns: 70px 1fr 150px; }
.domainRow span { display: flex; align-items: center; justify-content: center; height: 44px; border: 1px solid #cbd5e1; background: #f8fafc; color: #64748b; font-size: 14px; }
.domainRow span:first-child { border-radius: 6px 0 0 6px; border-right: none; }
.domainRow span:last-child { border-radius: 0 6px 6px 0; border-left: none; }
.domainRow input { border-radius: 0; border-left: none; border-right: none; }
.btn { height: 44px; width: 100%; border: none; border-radius: 6px; background: var(--accent-color, #2563eb); color: #fff; font-weight: 600; font-size: 14px; cursor: pointer; }
.btn:hover { filter: brightness(0.95); }
.validation-summary-errors { margin-bottom: 14px; padding: 10px 12px; background: #fee2e2; border-radius: 6px; color: #b91c1c; font-size: 13px; }
.validation-summary-errors ul { margin: 0; padding-left: 18px; }
.error { color: #b91c1c; font-size: 12px; margin-top: 5px; display: block; }
.hidden { display: none; }
.notice { margin-bottom: 14px; padding: 10px 12px; background: #fee2e2; border-radius: 6px; color: #b91c1c; font-size: 13px; }
.successBox { margin-top: 14px; padding: 10px 12px; background: #dcfce7; border-radius: 6px; color: #166534; font-size: 13px; }
.availability { font-size: 13px; margin-top: 6px; font-weight: 600; }
.availability.ok { color: #16a34a; }
.availability.bad { color: #b91c1c; }
.loadingOverlay { position: fixed; inset: 0; background: rgba(255,255,255,0.85); display: none; align-items: center; justify-content: center; z-index: 9999; }
.loadingCard { width: 340px; background: #fff; border: 1px solid #e5e7eb; border-radius: 10px; padding: 18px; box-shadow: 0 10px 25px rgba(0,0,0,0.08); text-align: center; }
.spinner { width: 44px; height: 44px; border: 4px solid #e5e7eb; border-top-color: var(--accent-color, #2563eb); border-radius: 50%; margin: 0 auto 12px; animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }