body.registration-is-open { overflow: hidden; }
.registration-dialog { width: min(760px, calc(100% - 32px)); max-width: none; max-height: calc(100dvh - 48px); padding: 0; border: 1px solid #dce5f3; border-radius: 24px; color: #142034; background: #fff; box-shadow: 0 28px 100px #08132859; }
.registration-dialog[open] { display: flex; flex-direction: column; animation: registration-enter .22s ease-out; }
.registration-dialog::backdrop { background: #0b172bcc; backdrop-filter: blur(7px); }
.registration-heading { display: flex; flex: 0 0 auto; justify-content: space-between; gap: 16px; padding: 25px 30px 20px; background: linear-gradient(120deg, #edf4ff, #f8fafc); border-bottom: 1px solid #dce5f3; }
.registration-heading .eyebrow { font-size: .64rem; margin: 0 0 9px; color: #245fe1; }
.registration-heading h2 { font-size: clamp(1.5rem, 4vw, 2rem); line-height: 1.2; letter-spacing: -.06em; margin: 0 0 9px; }
.registration-heading p:last-child { font-size: .82rem; line-height: 1.55; max-width: 520px; margin: 0; color: #53627a; }
.registration-close { flex-shrink: 0; width: 44px; height: 44px; border-radius: 50%; background: #fff; border: 1px solid #dce5f3; }
.registration-scroll { overflow-y: auto; overscroll-behavior: contain; padding: 24px 30px 28px; min-height: 0; }
.registration-note { margin: 0 0 22px; padding: 14px 16px; border-left: 3px solid #2563eb; background: #f3f6fb; border-radius: 0 12px 12px 0; font-size: .82rem; line-height: 1.65; overflow-wrap: anywhere; }
.registration-dialog a:not(.button) { color: #205aca; text-decoration: underline; text-underline-offset: 3px; }
.registration-dialog h3 { font-size: 1.1rem; margin: 0 0 8px; letter-spacing: -.03em; }
.registration-dialog .small-muted { margin: 0 0 22px; }
.registration-dialog .form-grid { gap: 0 18px; }
.registration-dialog .form-field { min-width: 0; margin-bottom: 20px; }
.registration-dialog .form-field label { font-size: .8rem; }
.registration-dialog input:not([type=checkbox]), .registration-dialog select { font-size: 16px; min-height: 46px; background: #fff; }
.registration-dialog input[readonly] { background: #f3f6fb; color: #53627a; }
.registration-dialog .form-field small { font-size: .72rem; line-height: 1.55; }
.registration-dialog .checkbox-label { line-height: 1.65; }
.registration-dialog .checkbox-label input { flex: 0 0 auto; }
.registration-dialog .button { min-height: 46px; text-align: center; font-size: .8rem; white-space: normal; }
.registration-dialog :disabled { cursor: wait; opacity: .65; }
.registration-dialog [aria-invalid=true] { border-color: #ba3434; }
.registration-dialog .registration-field-error { display: block; color: #a92222; font-weight: 600; margin: 6px 0 0; font-size: .76rem; }
.registration-dialog #registration-feedback { margin: 0 0 20px; font-size: .85rem; line-height: 1.65; }
.registration-dialog #registration-feedback a { color: inherit; }
.registration-footer { display: flex; justify-content: space-between; gap: 12px; flex: 0 0 auto; padding: 15px 30px; background: #f8fafc; border-top: 1px solid #e3e9f2; font-size: .65rem; color: #53627a; }
.registration-footer > span:last-child { font-weight: 800; letter-spacing: .06em; white-space: nowrap; }
.registration-dot { color: #2563eb; }
.registration-loading { display: flex; align-items: center; gap: 12px; padding: 40px 0; color: #53627a; }
.registration-loading::before { content: ''; width: 22px; height: 22px; border: 2px solid #dce5f3; border-top-color: #2563eb; border-radius: 50%; animation: registration-spin .8s linear infinite; }
.registration-complete { padding: 20px 0; text-align: center; overflow-wrap: anywhere; }
.registration-complete h3 { font-size: 1.5rem; }
.registration-complete p { color: #53627a; font-size: .9rem; line-height: 1.7; margin: 12px 0 24px; }
.registration-check { display: grid; place-items: center; width: 64px; height: 64px; margin: 0 auto 20px; border-radius: 50%; background: #e7f6ed; color: #1b7545; font-size: 1.7rem; }
.registration-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.registration-quiet { color: #205aca; background: #edf4ff; border: 1px solid #d8e6ff; }
.registration-dialog :focus-visible { outline: 3px solid #4d83ef; outline-offset: 3px; }
@keyframes registration-enter { from { opacity: 0; transform: translateY(12px) scale(.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes registration-spin { to { transform: rotate(360deg); } }
@media (max-width: 600px) {
    .registration-dialog { width: calc(100% - 16px); max-height: calc(100dvh - 16px); border-radius: 18px; }
    .registration-heading { padding: 19px 18px 17px; gap: 8px; }
    .registration-scroll { padding: 20px 18px; }
    .registration-dialog .form-grid { grid-template-columns: minmax(0, 1fr); }
    .registration-footer { padding: 12px 18px; }
    .registration-footer > span:last-child { display: none; }
    .registration-actions { flex-direction: column; }
    .registration-dialog form > .button { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { .registration-dialog[open], .registration-loading::before { animation: none; } }