.registration-modal.modal-content {
    padding: 0;
    border: none;
    overflow: hidden;
    background: var(--bg-primary, #fff);
    border-radius: 12px;
    box-shadow: var(--shadow-lg, 0 10px 40px rgba(0, 0, 0, 0.25));
}

.registration-modal__header {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary, linear-gradient(135deg, #1a4b82, #1A4B82));
    color: #fff;
    border-radius: 12px 12px 0 0;
    border: 0;
    padding: 1rem 3.25rem 0.9rem 1.25rem;
    min-height: 4rem;
}

.registration-modal__header .modal-title {
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    width: 100%;
    margin: 0;
    text-align: center;
    line-height: 1.3;
}

.registration-modal__header .btn-close {
    position: absolute;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
    margin: 0;
    padding: 0.5rem;
    opacity: 0.9;
}

.registration-modal__header .btn-close:hover,
.registration-modal__header .btn-close:focus {
    opacity: 1;
}

.registration-modal .modal-body {
    padding: 1rem 1.25rem 1.25rem;
    font-size: 0.875rem;
}

#registrationModal {
    z-index: 1060;
}

.registration-step[hidden] {
    display: none !important;
}

.registration-step__title {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.registration-step[data-step="phone"] .form-label {
    margin-bottom: 0.35rem;
    font-size: 0.875rem;
}

.registration-step[data-step="phone"] .registration-phone-field {
    margin-bottom: 0.75rem;
}

.registration-terms {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

.registration-terms .terms-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0;
}

.registration-terms .terms-item input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    min-width: 1rem;
    margin: 0.125rem 0 0;
    padding: 0;
    flex-shrink: 0;
    cursor: pointer;
    accent-color: var(--primary-color, #1a4b82);
}

.registration-terms .terms-item label {
    margin: 0;
    font-size: 0.8125rem;
    line-height: 1.35;
    font-weight: 400;
    color: var(--text-secondary, #6c757d);
    cursor: pointer;
}

.registration-terms .terms-item label a {
    font-size: inherit;
    line-height: inherit;
}

.registration-step[data-step="phone"] .registration-step__actions {
    margin-top: 0.75rem;
}

@media (max-width: 576px) {
    .registration-modal__header {
        padding: 0.9rem 3rem 0.8rem 1rem;
        min-height: 3.5rem;
    }

    .registration-modal__header .modal-title {
        font-size: 0.95rem;
    }

    .registration-modal__header .btn-close {
        right: 0.75rem;
        padding: 0.45rem;
    }

    .registration-modal .modal-body {
        padding: 0.9rem 1rem 1.1rem;
    }

    .registration-terms {
        gap: 0.4rem;
    }

    .registration-terms .terms-item {
        gap: 0.4rem;
    }

    .registration-terms .terms-item label {
        font-size: 0.78rem;
        line-height: 1.3;
    }

    .registration-terms .terms-item input[type="checkbox"] {
        width: 0.95rem;
        height: 0.95rem;
        min-width: 0.95rem;
        margin-top: 0.1rem;
    }
}

.registration-existing-profile__avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color, #dee2e6);
}

.registration-existing-profile__name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

.registration-modal__login-link a {
    font-weight: 500;
}

.registration-username-field .registration-username-field__prefix {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-weight: 600;
    background: var(--bg-secondary, #f8f9fa);
    color: var(--text-secondary, #6c757d);
    border-color: var(--border-color, #dee2e6);
}

.registration-username-field .form-control {
    min-width: 0;
}

.registration-username-field__hint {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.8125rem;
    line-height: 1.35;
}

.registration-username-field__feedback {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.8125rem;
    line-height: 1.35;
}

.registration-username-field__feedback--checking {
    color: var(--text-secondary, #6c757d);
}

.registration-username-field__feedback--available {
    color: var(--success-color, #198754);
}

.registration-username-field__feedback--taken {
    color: var(--danger-color, #dc3545);
}

.registration-username-field__feedback--error {
    color: var(--text-secondary, #6c757d);
}

.registration-username-field .form-control.is-invalid {
    border-color: var(--danger-color, #dc3545);
}