.site-module[data-module="register"] {
    --register-purple: var(--logo-purple);
    --register-red: var(--logo-red);
    --register-bg: var(--page-bg);
    --register-text: var(--text-primary);
    --register-muted: var(--text-muted);
    --register-serif: var(--font-serif, Georgia, serif);
    background-color: var(--register-bg);
    padding: var(--section-padding);
    position: relative;
    z-index: 1;
}

.site-module[data-module="register"] .site-module__inner {
    width: 100%;
}

.site-module[data-module="register"] .site-module__title {
    font-family: var(--register-serif);
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    font-weight: 600;
    color: var(--register-purple);
    text-align: center;
    line-height: 1.15;
    margin-bottom: 12px;
}

.site-module[data-module="register"] .site-module__subtitle {
    font-size: 1.05rem;
    font-weight: 300;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--register-muted);
    text-align: center;
    margin-bottom: 16px;
}

.register__description {
    max-width: 42rem;
    margin: 0 auto 28px;
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--register-muted);
    text-align: center;
}

.register-form {
    max-width: 44rem;
    margin: 0 auto;
    padding: clamp(24px, 4vw, 32px);
    border: 1px solid var(--border-purple);
    border-radius: var(--radius, 18px);
    background-color: var(--surface-solid);
    background-image: var(--surface-card);
    box-shadow: 0 18px 50px var(--shadow-brand);
}

.register-form__progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 0 0 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--register-muted);
}

.register-form__progress-step {
    display: inline-flex;
    align-items: center;
    color: var(--register-muted);
    transition: color 0.55s ease;
}

.register-form__progress-num {
    display: grid;
    place-items: center;
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    border: 1.5px solid var(--border-purple-strong);
    border-radius: 50%;
    background: transparent;
    color: var(--register-muted);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1;
    text-transform: none;
    transition: background-color 0.55s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.55s cubic-bezier(0.22, 1, 0.36, 1), color 0.55s ease, box-shadow 0.55s ease;
}

.register-form__progress-label {
    display: inline-block;
    max-width: 0;
    margin-left: 0;
    overflow: hidden;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(0);
    transition: max-width 0.55s cubic-bezier(0.22, 1, 0.36, 1), margin-left 0.55s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.35s ease, transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.register-form__progress-step:first-child .register-form__progress-label {
    transform: translateX(-18px);
}

.register-form__progress-step:last-child .register-form__progress-label {
    transform: translateX(18px);
}

.register-form:not(.is-courses) .register-form__progress-step:first-child,
.register-form.is-courses .register-form__progress-step:last-child {
    color: var(--register-purple);
}

.register-form:not(.is-courses) .register-form__progress-step:first-child .register-form__progress-num,
.register-form.is-courses .register-form__progress-step:last-child .register-form__progress-num {
    border-color: var(--register-purple);
    background: var(--register-purple);
    color: var(--text-on-brand);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

.register-form:not(.is-courses):not(.is-stepping) .register-form__progress-step:first-child .register-form__progress-label,
.register-form.is-courses:not(.is-stepping) .register-form__progress-step:last-child .register-form__progress-label {
    max-width: 18rem;
    margin-left: 8px;
    opacity: 1;
    transform: translateX(0);
}

.register-form__progress-line {
    position: relative;
    width: 42px;
    height: 2px;
    border-radius: 999px;
    background: var(--border-purple-strong);
    overflow: hidden;
}

.register-form__progress-line::after {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--register-purple);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.register-form.is-courses .register-form__progress-line::after {
    transform: scaleX(1);
}

.register-form__viewport {
    position: relative;
    overflow: hidden;
    transition: height 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.register-form__step {
    width: 100%;
}

.register-form__step[data-register-step="details"] {
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 6px;
    transform: translateX(0);
    transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.register-form.is-courses .register-form__step[data-register-step="details"] {
    transform: translateX(-100%);
}

.register-form__step[data-register-step="courses"] {
    position: absolute;
    top: 0;
    left: 0;
    padding: 6px;
    transform: translateX(100%);
    transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.register-form.is-courses .register-form__step[data-register-step="courses"] {
    transform: translateX(0);
}

.register-form__step-title {
    margin: 0 0 6px;
    font-family: var(--register-serif);
    font-size: clamp(1.55rem, 3vw, 1.9rem);
    font-weight: 600;
    line-height: 1.15;
    color: var(--register-purple);
    text-align: center;
}

.register-form__step-title:focus,
.register-form__step-title:focus-visible {
    outline: none;
    box-shadow: none;
}

.register-form__step-note {
    margin: 0 0 16px;
    text-align: center;
    color: var(--register-muted);
    font-size: 0.98rem;
    line-height: 1.55;
}

.register-form__courses {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.register-course {
    position: relative;
    display: block;
    cursor: pointer;
}

.register-course__input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.register-course__input:focus,
.register-course__input:focus-visible {
    outline: none;
    box-shadow: none;
}

.register-course__card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 13px 14px;
    border: 1px solid var(--border-purple-strong);
    border-radius: 14px;
    background-color: var(--surface-solid);
    background-image: var(--surface-input-gradient);
    transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.register-course__input:checked + .register-course__card {
    border-color: var(--register-purple);
    background-color: var(--surface-tint);
    background-image: var(--card-hover-gradient);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

.register-course__input:focus-visible + .register-course__card {
    box-shadow: 0 0 0 3px var(--focus-ring), inset 0 0 0 2px var(--focus-ring-strong);
}

.register-course__mark {
    display: grid;
    place-items: center;
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border: 2px solid var(--border-purple-strong);
    border-radius: 7px;
    color: transparent;
    background: transparent;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.register-course__mark svg {
    display: block;
    transform: scale(0.6);
    transition: transform 0.2s ease;
}

.register-course__input:checked + .register-course__card .register-course__mark {
    border-color: var(--register-purple);
    background: var(--register-purple);
    color: var(--text-on-brand);
}

.register-course__input:checked + .register-course__card .register-course__mark svg {
    transform: scale(1);
}

.register-course__copy {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.register-course__name {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--register-text);
}

.register-course__tag {
    font-size: 0.86rem;
    line-height: 1.4;
    color: var(--register-muted);
}

.register-form__actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-top: 16px;
}

.register-form__back {
    align-self: center;
    padding: 4px 10px;
    border: none;
    background: transparent;
    color: var(--register-purple);
    font: inherit;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
}

.register-form__back[hidden] {
    display: none;
}

.register-form__back:hover {
    color: var(--purple-light);
}

.register-form__back:focus-visible {
    outline: none;
    border-radius: 10px;
    box-shadow: inset 0 0 0 2px var(--focus-ring-strong);
}

.register-form__back:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.register-form__row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 0;
}

.register-form__group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.register-form__label {
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--register-purple);
}

.register-form__input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border-purple-strong);
    border-radius: var(--radius, 18px);
    background-color: var(--surface-solid);
    background-image: var(--surface-input-gradient);
    color: var(--register-text);
    font: inherit;
    font-size: 1rem;
    appearance: none;
    -webkit-appearance: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.register-form__input:focus,
.register-form__input:focus-visible {
    outline: none;
    border-color: var(--focus-ring-strong);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

.register-form__input.is-invalid,
.register-form__input.is-invalid:focus,
.register-form__input.is-invalid:focus-visible {
    border-color: var(--border-red-strong);
    box-shadow: 0 0 0 3px var(--ring-red);
}

.register-form__input:-webkit-autofill,
.register-form__input:-webkit-autofill:hover,
.register-form__input:-webkit-autofill:focus {
    border-radius: var(--radius, 18px);
    -webkit-box-shadow: 0 0 0 1000px var(--surface-solid) inset, 0 0 0 3px var(--focus-ring);
    -webkit-text-fill-color: var(--register-text);
    caret-color: var(--register-text);
}

.register-form__phone {
    display: flex;
    align-items: stretch;
    border-radius: var(--radius, 18px);
}

.register-form__phone-prefix {
    display: inline-flex;
    align-items: center;
    padding: 0 12px;
    border: 1px solid var(--border-purple-strong);
    border-right: none;
    border-radius: var(--radius, 18px) 0 0 var(--radius, 18px);
    background-color: var(--surface-tint);
    background-image: var(--surface-inset-gradient);
    color: var(--register-purple);
    font-size: 1rem;
    font-weight: 700;
}

.register-form__phone .register-form__input {
    border-radius: 0 var(--radius, 18px) var(--radius, 18px) 0;
}

.register-form__phone:focus-within .register-form__phone-prefix,
.register-form__phone:focus-within .register-form__input {
    border-color: var(--focus-ring-strong);
}

.register-form__phone:focus-within .register-form__input,
.register-form__phone:focus-within .register-form__input:focus,
.register-form__phone:focus-within .register-form__input:focus-visible {
    outline: none;
    box-shadow: none;
}

.register-form__phone:focus-within {
    box-shadow: 0 0 0 3px var(--focus-ring);
}

.register-form__phone:has(.is-invalid) {
    box-shadow: 0 0 0 3px var(--ring-red);
}

.register-form__phone:has(.is-invalid) .register-form__phone-prefix,
.register-form__phone:has(.is-invalid) .register-form__input {
    border-color: var(--border-red-strong);
}

.register-form__submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-top: 0;
    padding: 14px 20px;
    border: none;
    border-radius: var(--radius, 18px);
    background-color: var(--register-purple);
    background-image: var(--button-purple-gradient);
    color: var(--text-on-brand);
    font: inherit;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background-image 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 8px 22px var(--shadow-brand-strong);
}

.register-form__submit:hover {
    background-image: var(--button-purple-hover-gradient);
    transform: translateY(-1px);
    box-shadow: 0 12px 28px var(--shadow-brand-strong);
}

.register-form__submit:active {
    transform: translateY(0);
}

.register-form__submit:focus-visible {
    outline: none;
    box-shadow: 0 8px 22px var(--shadow-brand-strong), inset 0 0 0 3px var(--text-on-brand);
}

.register-form__submit:disabled {
    opacity: 0.72;
    cursor: not-allowed;
    transform: none;
}

.register__follow {
    margin-top: 48px;
    padding-top: 40px;
    border-top: 1px solid var(--section-line);
    text-align: center;
}

.register__follow-title {
    margin: 0 0 8px;
    font-family: var(--register-serif);
    font-size: clamp(1.5rem, 3vw, 1.9rem);
    font-weight: 600;
    color: var(--register-purple);
}

.register__follow-subtitle {
    margin: 0 0 14px;
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--register-muted);
}

.register__follow-text {
    max-width: 38rem;
    margin: 0 auto 24px;
    font-size: 1.02rem;
    line-height: 1.7;
    color: var(--register-muted);
}

.register__instagram-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 14px 24px;
    border-radius: var(--radius, 18px);
    background-color: var(--register-purple);
    background-image: var(--button-purple-gradient);
    color: var(--text-on-brand);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    box-shadow: 0 10px 28px var(--shadow-brand-strong);
    transition: background-image 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.register__instagram-link:hover {
    background-image: var(--button-purple-hover-gradient);
    transform: translateY(-2px);
    box-shadow: 0 14px 34px var(--shadow-brand-strong);
}

.register__instagram-link:focus-visible {
    outline: none;
    box-shadow: 0 10px 28px var(--shadow-brand-strong), inset 0 0 0 3px var(--text-on-brand);
}

.register__instagram-icon {
    width: 1.35rem;
    height: 1.35rem;
    flex-shrink: 0;
}

.site-toast {
    position: fixed;
    left: 50%;
    bottom: 28px;
    z-index: var(--z-toast);
    max-width: min(28rem, calc(100dvw - 32px));
    padding: 14px 20px;
    border-radius: 14px;
    background-color: var(--logo-purple);
    background-image: var(--button-purple-gradient);
    color: var(--text-on-brand);
    font-size: 0.98rem;
    font-weight: 700;
    line-height: 1.45;
    text-align: center;
    box-shadow: 0 16px 40px var(--shadow-brand-strong);
    opacity: 0;
    transform: translate(-50%, 16px);
    pointer-events: none;
    transition: opacity 0.28s ease, transform 0.28s ease;
}

.site-toast.is-visible {
    opacity: 1;
    transform: translate(-50%, 0);
}

@media (hover: hover) and (pointer: fine) {
    .register-course:hover .register-course__card {
        border-color: var(--focus-ring-strong);
    }

    .register-course__input:checked + .register-course__card:hover {
        border-color: var(--register-purple);
    }
}

@media (max-width: 767px) {
    .register-form__progress {
        gap: 8px;
        font-size: 0.68rem;
        letter-spacing: 0.04em;
    }

    .register-form__progress-line {
        width: 24px;
    }

    .register-form__step[data-register-step="details"] {
        gap: 16px;
    }

    .register-form__row {
        grid-template-columns: minmax(0, 1fr);
        gap: 16px;
        margin-bottom: 0;
    }

    .register__follow {
        margin-top: 40px;
        padding-top: 32px;
    }

    .site-toast {
        bottom: 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .register-form__submit,
    .register__instagram-link,
    .site-toast,
    .register-form__viewport,
    .register-form__step[data-register-step="details"],
    .register-form__step[data-register-step="courses"],
    .register-form__progress-line::after,
    .register-form__progress-step,
    .register-form__progress-num,
    .register-form__progress-label,
    .register-course__card,
    .register-course__mark,
    .register-course__mark svg {
        transition: none;
    }

    .register-form__submit:hover,
    .register__instagram-link:hover {
        transform: none;
    }
}