.page--auth {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.page--auth .page__main {
    display: flex;
    flex: 1;
    flex-direction: column;
}

.page--auth .section {
    flex: 1;
    display: flex;
    align-items: center;
    padding: 24px 0 80px;
}

.auth-page__wrap {
    display: flex;
    justify-content: center;
    width: 100%;
}

.auth-page__card {
    width: 100%;
    max-width: 420px;
    padding: 40px 36px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.auth-page__head {
    margin-bottom: 32px;
    text-align: center;
}

.auth-page__logo {
    display: inline-flex;
    margin-bottom: 20px;
}

.auth-page__logo .logo__mark {
    width: 48px;
    height: 48px;
    font-size: 22px;
}

.auth-page__title {
    margin: 0 0 12px;
    font-size: clamp(24px, 3vw, 28px);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-primary);
}

.auth-page__desc {
    margin: 0;
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.auth-page__alert {
    margin: 0 0 20px;
    padding: 12px 14px;
    font-size: 14px;
    line-height: 1.5;
    color: #991b1b;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius-sm);
}

.auth-page__consent {
    margin-bottom: 24px;
}

.auth-consent {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
}

.auth-consent__input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

.auth-consent__box {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: 1px;
    background: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-radius: 6px;
    transition:
        background var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.auth-consent__box::after {
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M2.5 6L5 8.5L9.5 3.5' stroke='white' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 12px no-repeat;
    opacity: 0;
    transition: opacity var(--transition);
}

.auth-consent__input:checked + .auth-consent__box {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.auth-consent__input:checked + .auth-consent__box::after {
    opacity: 1;
}

.auth-consent__input:focus-visible + .auth-consent__box {
    outline: 2px solid var(--color-primary-light);
    outline-offset: 2px;
}

.auth-consent__text {
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text-secondary);
}

.auth-consent__link {
    color: var(--color-primary-light);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.auth-consent__link:hover {
    color: var(--color-primary);
}

.auth-page__providers {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.oauth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    min-height: 52px;
    padding: 12px 20px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-on-primary);
    border: 1.5px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition:
        background var(--transition),
        border-color var(--transition),
        box-shadow var(--transition),
        transform var(--transition);
    text-decoration: none;
}

.oauth-btn__icon {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
}

.oauth-btn__label {
    flex: 1;
    text-align: center;
    padding-right: 24px;
}

.oauth-btn--vk {
    background: #0077FF;
    border-color: #0077FF;
}

.oauth-btn--vk:hover {
    background: #0066DD;
    border-color: #0066DD;
    box-shadow: 0 6px 20px rgba(0, 119, 255, 0.35);
    transform: translateY(-1px);
}

.oauth-btn--yandex {
    background: #FC3F1D;
    border-color: #FC3F1D;
}

.oauth-btn--yandex:hover {
    background: #E83818;
    border-color: #E83818;
    box-shadow: 0 6px 20px rgba(252, 63, 29, 0.35);
    transform: translateY(-1px);
}

.oauth-btn--dev {
    color: var(--color-primary);
    background: #f0fdf4;
    border-color: #86efac;
}

.oauth-btn--dev:hover {
    background: #dcfce7;
    border-color: #4ade80;
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.2);
    transform: translateY(-1px);
}

.auth-page__card:not(:has(.auth-consent__input:checked)) .oauth-btn--dev {
    opacity: 1;
    pointer-events: auto;
    cursor: pointer;
    filter: none;
}

.auth-page__card:not(:has(.auth-consent__input:checked)) .oauth-btn--dev:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.2);
}

.oauth-btn:active {
    transform: translateY(0);
}

.oauth-btn:focus-visible {
    outline: 2px solid var(--color-primary-light);
    outline-offset: 2px;
}

.auth-page__card:not(:has(.auth-consent__input:checked)) .oauth-btn {
    opacity: 0.45;
    pointer-events: none;
    cursor: not-allowed;
    filter: grayscale(0.15);
}

.auth-page__card:not(:has(.auth-consent__input:checked)) .oauth-btn:hover {
    transform: none;
    box-shadow: none;
}

@media (max-width: 768px) {
    .page--auth .section {
        padding: 16px 0 64px;
    }

    .auth-page__card {
        padding: 32px 24px;
    }

    .auth-page__head {
        margin-bottom: 24px;
    }
}

@media (max-width: 480px) {
    .auth-page__card {
        padding: 28px 20px;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
    }
}

@media (prefers-reduced-motion: reduce) {
    .oauth-btn--vk:hover,
    .oauth-btn--yandex:hover {
        transform: none;
    }
}