/*
 * Страница регистрации.
 *
 * Дополняет общий style.css.
 *
 * Содержит:
 *
 * - секции регистрационной формы;
 * - показ и скрытие пароля;
 * - подтверждение возраста;
 * - согласия с документами;
 * - ошибки полей;
 * - состояние отправки;
 * - мобильную и десктопную адаптацию.
 */


/* =========================================================
   Переменные
   ========================================================= */

:root {
    --register-max-width: 620px;

    --register-border:
        color-mix(
            in srgb,
            var(--muted) 22%,
            transparent
        );

    --register-field-border:
        color-mix(
            in srgb,
            var(--muted) 40%,
            transparent
        );

    --register-section-border:
        color-mix(
            in srgb,
            var(--accent) 14%,
            var(--border)
        );
}


/* =========================================================
   Страница
   ========================================================= */

body.auth-page {
    min-width: 320px;

    margin: 0;

    background:
        radial-gradient(
            circle at 50% 0,
            color-mix(
                in srgb,
                var(--accent) 8%,
                transparent
            ),
            transparent 30rem
        ),
        var(--bg);
}


.auth-app-container {
    width: 100%;
    min-height: 100dvh;

    padding-bottom:
        env(
            safe-area-inset-bottom,
            0px
        );

    box-sizing: border-box;

    background: transparent;
}


/* =========================================================
   Шапка
   ========================================================= */

.auth-header {
    display: flex;

    min-height:
        calc(
            58px
            + env(
                safe-area-inset-top,
                0px
            )
        );

    align-items: center;

    gap: 10px;

    padding:
        calc(
            8px
            + env(
                safe-area-inset-top,
                0px
            )
        )
        max(
            14px,
            env(
                safe-area-inset-right,
                0px
            )
        )
        8px
        max(
            14px,
            env(
                safe-area-inset-left,
                0px
            )
        );

    box-sizing: border-box;
}


.auth-header h1 {
    min-width: 0;

    margin: 0;

    overflow: hidden;

    color: var(--text);

    font-size:
        clamp(
            1.05rem,
            5vw,
            1.3rem
        );

    font-weight: 780;
    line-height: 1.25;

    text-overflow: ellipsis;
    white-space: nowrap;
}


/* =========================================================
   Кнопка назад
   ========================================================= */

.auth-back-link {
    display: inline-flex;

    width: 44px;
    height: 44px;

    min-width: 44px;
    min-height: 44px;

    flex:
        0
        0
        44px;

    align-items: center;
    justify-content: center;

    padding: 0;

    color: var(--accent);

    background: transparent;

    border:
        1px solid
        transparent;

    border-radius: 14px;

    font-size: 1.5rem;
    line-height: 1;

    text-decoration: none;

    -webkit-tap-highlight-color:
        transparent;

    transition:
        color 0.16s ease,
        background-color 0.16s ease,
        border-color 0.16s ease,
        transform 0.12s ease;
}


.auth-back-link:hover {
    color: var(--text);

    background: var(--surface-hover);

    border-color: var(--border);

    text-decoration: none;
}


.auth-back-link:active {
    transform:
        scale(0.92);
}


.auth-back-link:focus-visible {
    outline:
        3px solid
        color-mix(
            in srgb,
            var(--accent) 62%,
            transparent
        );

    outline-offset: 2px;
}


/* =========================================================
   Основной контейнер
   ========================================================= */

.register-container {
    display: flex;

    width:
        min(
            calc(
                100%
                - 24px
            ),
            var(--register-max-width)
        );

    min-width: 0;

    flex-direction: column;

    gap: 20px;

    margin:
        22px
        auto
        36px;

    padding: 24px;

    box-sizing: border-box;

    background:
        color-mix(
            in srgb,
            var(--surface) 96%,
            transparent
        );

    border:
        1px solid
        var(--register-border);

    border-radius: var(--radius);

    box-shadow:
        0
        14px
        38px
        rgba(
            0,
            0,
            0,
            0.26
        );

    backdrop-filter:
        blur(14px);

    -webkit-backdrop-filter:
        blur(14px);
}


.register-container [hidden] {
    display: none !important;
}


/* =========================================================
   Вступительный блок
   ========================================================= */

.register-intro {
    display: flex;

    min-width: 0;

    flex-direction: column;

    align-items: center;

    gap: 8px;

    text-align: center;
}


.register-icon {
    display: inline-flex;

    width: 76px;
    height: 76px;

    flex:
        0
        0
        76px;

    align-items: center;
    justify-content: center;

    margin-bottom: 4px;

    color: var(--accent);

    background:
        color-mix(
            in srgb,
            var(--accent) 11%,
            var(--surface-hover)
        );

    border:
        1px solid
        color-mix(
            in srgb,
            var(--accent) 38%,
            transparent
        );

    border-radius: 50%;

    box-shadow:
        0
        12px
        28px
        color-mix(
            in srgb,
            var(--accent) 12%,
            transparent
        );

    font-size: 2rem;
    line-height: 1;

    user-select: none;
}


.register-intro h2 {
    margin: 0;

    color: var(--accent);

    font-size:
        clamp(
            1.25rem,
            5vw,
            1.6rem
        );

    line-height: 1.3;
}


.register-intro p {
    max-width: 470px;

    margin: 0;

    color: var(--muted);

    font-size: 0.9rem;
    line-height: 1.55;

    overflow-wrap: anywhere;
}


/* =========================================================
   Контекст выбранного действия и условия доступа
   ========================================================= */

.register-selected-route,
.register-access-note {
    padding:
        15px
        16px;

    background:
        color-mix(
            in srgb,
            var(--accent) 8%,
            var(--surface-hover)
        );

    border:
        1px solid
        color-mix(
            in srgb,
            var(--accent) 30%,
            var(--border)
        );

    border-radius: 16px;
}


.register-selected-route > div {
    display: flex;

    flex-direction: column;

    gap: 4px;
}


.register-selected-route span,
.register-selected-route small {
    color: var(--muted);

    font-size: 0.74rem;
}


.register-selected-route strong {
    color: var(--text);

    font-size: 0.94rem;
    line-height: 1.45;
}


.register-selected-route p,
.register-access-note p {
    margin-top: 9px;

    color: var(--muted);

    font-size: 0.79rem;
    line-height: 1.55;
}


.register-access-note h2 {
    margin: 0;

    color: var(--text);

    font-size: 0.96rem;
}


.register-access-note strong {
    color: var(--text);
}


.register-access-note a {
    display: inline-flex;

    margin-top: 10px;

    font-size: 0.78rem;
    font-weight: 760;
}


/* =========================================================
   Форма
   ========================================================= */

.register-form {
    display: flex;

    min-width: 0;

    flex-direction: column;

    gap: 18px;
}


.register-form .form-group {
    display: flex;

    min-width: 0;

    flex-direction: column;

    gap: 7px;

    margin: 0;
}


.register-form label {
    color: var(--text);

    font-size: 0.9rem;
    font-weight: 650;
    line-height: 1.35;
}


/* =========================================================
   Секции формы
   ========================================================= */

.register-form-section {
    display: flex;

    min-width: 0;

    flex-direction: column;

    gap: 16px;

    padding: 18px;

    background:
        color-mix(
            in srgb,
            var(--surface-raised) 88%,
            transparent
        );

    border:
        1px solid
        var(--register-section-border);

    border-radius: 17px;
}


.register-section-heading {
    display: flex;

    min-width: 0;

    align-items: flex-start;

    gap: 12px;

    padding-bottom: 13px;

    border-bottom:
        1px solid
        var(--border);
}


.register-section-heading > div {
    min-width: 0;
}


.register-section-number {
    display: inline-flex;

    width: 34px;
    height: 34px;

    min-width: 34px;

    flex:
        0
        0
        34px;

    align-items: center;
    justify-content: center;

    color:
        var(--accent-contrast);

    background: var(--accent);

    border-radius: 11px;

    box-shadow:
        0
        8px
        18px
        color-mix(
            in srgb,
            var(--accent) 20%,
            transparent
        );

    font-size: 0.82rem;
    font-weight: 850;
    line-height: 1;
}


.register-section-heading h2 {
    margin: 0;

    color: var(--text);

    font-size: 1rem;
    font-weight: 760;
    line-height: 1.3;
}


.register-section-heading p {
    margin:
        4px
        0
        0;

    color: var(--muted);

    font-size: 0.76rem;
    line-height: 1.45;

    overflow-wrap: anywhere;
}


/* =========================================================
   Поля формы
   ========================================================= */

.register-form input {
    width: 100%;
    min-width: 0;
    min-height: 50px;

    padding:
        11px
        13px;

    box-sizing: border-box;

    color: var(--text);

    background: var(--bg);

    border:
        1px solid
        var(--register-field-border);

    border-radius:
        var(--radius-sm);

    font: inherit;
    font-size: 1rem;
    line-height: 1.4;

    outline: none;

    transition:
        border-color 0.16s ease,
        background-color 0.16s ease,
        box-shadow 0.16s ease;
}


.register-form input::placeholder {
    color:
        color-mix(
            in srgb,
            var(--muted) 80%,
            transparent
        );
}


.register-form input:hover:not(
    :disabled
) {
    border-color:
        color-mix(
            in srgb,
            var(--accent) 32%,
            var(--register-field-border)
        );
}


.register-form input:focus-visible {
    background:
        var(--surface-hover);

    border-color: var(--accent);

    box-shadow:
        0
        0
        0
        3px
        color-mix(
            in srgb,
            var(--accent) 24%,
            transparent
        );
}


.register-form input[aria-invalid="true"],
.register-form input:user-invalid {
    border-color:
        color-mix(
            in srgb,
            var(--danger) 68%,
            var(--register-field-border)
        );
}


.register-form input[aria-invalid="true"]:focus-visible,
.register-form input:user-invalid:focus-visible {
    box-shadow:
        0
        0
        0
        3px
        color-mix(
            in srgb,
            var(--danger) 20%,
            transparent
        );
}


.register-form input:disabled {
    opacity: 0.64;

    cursor: wait;
}


/* =========================================================
   Подсказки полей
   ========================================================= */

.register-field-hint {
    margin: 0;

    color: var(--muted);

    font-size: 0.74rem;
    line-height: 1.42;

    overflow-wrap: anywhere;
}


/* =========================================================
   Поле пароля
   ========================================================= */

.password-wrapper {
    position: relative;

    display: flex;

    min-width: 0;

    align-items: stretch;
}


.password-wrapper #password {
    padding-right: 58px;
}


.toggle-password {
    position: absolute;

    top: 50%;
    right: 4px;

    display: inline-flex;

    width: 44px;
    height: 42px;

    align-items: center;
    justify-content: center;

    padding: 0;

    color: var(--muted);

    background: transparent;

    border: 0;
    border-radius: 9px;

    font: inherit;
    font-size: 1.05rem;
    line-height: 1;

    cursor: pointer;

    transform:
        translateY(-50%);

    -webkit-tap-highlight-color:
        transparent;

    transition:
        color 0.16s ease,
        background-color 0.16s ease,
        transform 0.12s ease;
}


.toggle-password:hover {
    color: var(--text);

    background:
        color-mix(
            in srgb,
            var(--surface-hover) 82%,
            transparent
        );
}


.toggle-password:active {
    transform:
        translateY(-50%)
        scale(0.92);
}


.toggle-password:focus-visible {
    outline:
        3px solid
        color-mix(
            in srgb,
            var(--accent) 58%,
            transparent
        );

    outline-offset: 1px;
}


.toggle-password:disabled {
    opacity: 0.5;

    cursor: not-allowed;
}


/* =========================================================
   Соглашения
   ========================================================= */

.register-agreements {
    display: flex;

    min-width: 0;

    flex-direction: column;

    gap: 12px;

    margin: 0;

    padding: 18px;

    background:
        color-mix(
            in srgb,
            var(--surface-hover) 70%,
            transparent
        );

    border:
        1px solid
        color-mix(
            in srgb,
            var(--muted) 18%,
            transparent
        );

    border-radius: 17px;
}


.register-agreements > legend {
    padding:
        0
        8px;

    color: var(--accent);

    font-size: 0.92rem;
    font-weight: 750;
    line-height: 1.35;
}


.register-agreements-description {
    margin:
        0
        0
        2px;

    color: var(--muted);

    font-size: 0.77rem;
    line-height: 1.48;

    overflow-wrap: anywhere;
}


.register-agreement {
    display: flex;

    min-width: 0;

    flex-direction: column;

    gap: 6px;
}


.register-optional-consent {
    margin-top: 4px;

    border-top:
        1px solid
        var(--register-border);
}


.register-optional-consent summary {
    padding:
        13px
        2px;

    color: var(--muted);

    cursor: pointer;

    font-size: 0.79rem;
    font-weight: 720;
}


.register-optional-consent[open] summary {
    color: var(--text);
}


.register-optional-consent .register-agreement {
    margin-top: 0;
}


/* =========================================================
   Пользовательский checkbox
   ========================================================= */

.checkbox-group {
    position: relative;

    display: grid;

    grid-template-columns:
        auto
        minmax(
            0,
            1fr
        );

    align-items: flex-start;

    gap: 11px;

    min-width: 0;

    padding:
        12px;

    box-sizing: border-box;

    background: var(--bg);

    border:
        1px solid
        color-mix(
            in srgb,
            var(--muted) 25%,
            transparent
        );

    border-radius:
        var(--radius-sm);

    cursor: pointer;

    -webkit-tap-highlight-color:
        transparent;

    transition:
        background-color 0.16s ease,
        border-color 0.16s ease,
        box-shadow 0.16s ease;
}


.checkbox-group:hover {
    background: var(--surface-hover);

    border-color:
        color-mix(
            in srgb,
            var(--accent) 34%,
            var(--border)
        );
}


.checkbox-group:has(
    input:checked
) {
    background:
        color-mix(
            in srgb,
            var(--accent) 7%,
            var(--surface-hover)
        );

    border-color:
        color-mix(
            in srgb,
            var(--accent) 45%,
            var(--border)
        );
}


.checkbox-group:has(
    input[aria-invalid="true"]
) {
    border-color:
        color-mix(
            in srgb,
            var(--danger) 55%,
            var(--border)
        );
}


.checkbox-group input[type="checkbox"] {
    position: absolute;

    width: 1px;
    height: 1px;

    padding: 0;
    margin: -1px;

    overflow: hidden;

    clip:
        rect(
            0,
            0,
            0,
            0
        );

    clip-path:
        inset(50%);

    border: 0;

    white-space: nowrap;
}


.register-checkbox-control {
    display: inline-flex;

    width: 23px;
    height: 23px;

    min-width: 23px;

    align-items: center;
    justify-content: center;

    margin-top: 1px;

    color: transparent;

    background:
        var(--surface-raised);

    border:
        1px solid
        var(--register-field-border);

    border-radius: 7px;

    box-shadow:
        inset
        0
        0
        0
        1px
        color-mix(
            in srgb,
            var(--text) 2%,
            transparent
        );

    transition:
        color 0.16s ease,
        background-color 0.16s ease,
        border-color 0.16s ease,
        transform 0.12s ease;
}


.register-checkbox-mark {
    color: inherit;

    font-size: 0.8rem;
    font-weight: 900;
    line-height: 1;
}


.checkbox-group
input:checked
+ .register-checkbox-control {
    color:
        var(--accent-contrast);

    background: var(--accent);

    border-color: var(--accent);

    transform:
        scale(1.04);
}


.checkbox-group
input:focus-visible
+ .register-checkbox-control {
    outline:
        3px solid
        color-mix(
            in srgb,
            var(--accent) 58%,
            transparent
        );

    outline-offset: 2px;
}


.checkbox-group
input[aria-invalid="true"]
+ .register-checkbox-control {
    border-color: var(--danger);
}


.register-checkbox-text {
    min-width: 0;

    color: var(--text);

    font-size: 0.84rem;
    font-weight: 400;
    line-height: 1.52;

    overflow-wrap: anywhere;
}


.register-checkbox-text a {
    color: var(--accent);

    font-weight: 650;

    text-decoration: none;
}


.register-checkbox-text a:hover {
    text-decoration: underline;

    text-underline-offset: 3px;
}


.register-checkbox-text a:focus-visible {
    outline:
        3px solid
        color-mix(
            in srgb,
            var(--accent) 58%,
            transparent
        );

    outline-offset: 2px;

    border-radius: 4px;
}


/* =========================================================
   Ошибки
   ========================================================= */

.register-form .field-error,
.register-form-error {
    margin: 0;

    color:
        color-mix(
            in srgb,
            var(--danger) 86%,
            var(--text)
        );

    font-size: 0.82rem;
    line-height: 1.4;

    overflow-wrap: anywhere;
}


.register-form .field-error:empty,
.register-form-error:empty {
    display: none;
}


.register-form .field-error:not(
    :empty
) {
    padding:
        7px
        9px;

    background:
        color-mix(
            in srgb,
            var(--danger) 7%,
            var(--surface)
        );

    border-left:
        3px solid
        color-mix(
            in srgb,
            var(--danger) 70%,
            transparent
        );

    border-radius:
        0
        var(--radius-sm)
        var(--radius-sm)
        0;
}


.register-form-error:not(
    :empty
) {
    padding:
        10px
        12px;

    background:
        color-mix(
            in srgb,
            var(--danger) 8%,
            var(--surface)
        );

    border:
        1px solid
        color-mix(
            in srgb,
            var(--danger) 42%,
            transparent
        );

    border-radius:
        var(--radius-sm);

    text-align: center;
}


/* =========================================================
   Кнопка регистрации
   ========================================================= */

.btn-register {
    position: relative;

    display: inline-flex;

    width: 100%;
    min-height: 52px;

    align-items: center;
    justify-content: center;

    gap: 10px;

    box-sizing: border-box;

    font-size: 1rem;
    font-weight: 750;
}


.register-submit-text {
    display: inline-block;
}


.register-submit-loader {
    width: 18px;
    height: 18px;

    flex:
        0
        0
        18px;

    border:
        2px solid
        color-mix(
            in srgb,
            currentColor 32%,
            transparent
        );

    border-top-color: currentColor;

    border-radius: 50%;

    animation:
        register-button-spin
        0.72s
        linear
        infinite;
}


.btn-register[aria-busy="true"] {
    cursor: wait;
}


.btn-register:disabled {
    opacity: 0.62;

    cursor: wait;

    transform: none;
}


@keyframes register-button-spin {
    to {
        transform:
            rotate(360deg);
    }
}


/* =========================================================
   Переход ко входу
   ========================================================= */

.register-secondary-actions {
    display: flex;

    min-width: 0;

    flex-direction: column;

    align-items: center;

    gap: 10px;

    text-align: center;
}


.register-divider {
    position: relative;

    display: flex;

    width: 100%;

    align-items: center;
    justify-content: center;

    margin:
        3px
        0;
}


.register-divider::before {
    position: absolute;

    right: 0;
    left: 0;

    height: 1px;

    background:
        color-mix(
            in srgb,
            var(--muted) 20%,
            transparent
        );

    content: "";
}


.register-divider span {
    position: relative;

    padding:
        0
        10px;

    color: var(--muted);

    background: var(--surface);

    font-size: 0.74rem;
    line-height: 1;
}


.register-secondary-actions > p {
    margin: 0;

    color: var(--muted);

    font-size: 0.84rem;
    line-height: 1.4;
}


.register-login-button {
    display: inline-flex;

    width: 100%;
    min-height: 48px;

    align-items: center;
    justify-content: center;

    box-sizing: border-box;

    text-decoration: none;
}


.register-login-button:hover {
    text-decoration: none;
}


/* =========================================================
   Нижняя информация
   ========================================================= */

.register-footer {
    display: flex;

    flex-direction: column;

    gap: 8px;

    padding-top: 15px;

    border-top:
        1px solid
        color-mix(
            in srgb,
            var(--muted) 16%,
            transparent
        );

    text-align: center;
}


.register-footer p {
    margin: 0;

    color: var(--muted);

    font-size: 0.72rem;
    line-height: 1.45;

    overflow-wrap: anywhere;
}


/* =========================================================
   JavaScript отключён
   ========================================================= */

.register-noscript {
    padding:
        11px
        12px;

    color:
        color-mix(
            in srgb,
            var(--danger) 86%,
            var(--text)
        );

    background:
        color-mix(
            in srgb,
            var(--danger) 8%,
            var(--surface)
        );

    border:
        1px solid
        color-mix(
            in srgb,
            var(--danger) 42%,
            transparent
        );

    border-radius:
        var(--radius-sm);

    font-size: 0.84rem;
    line-height: 1.45;

    text-align: center;
}


/* =========================================================
   Отключённые состояния
   ========================================================= */

.register-container button:disabled,
.register-container .btn:disabled {
    opacity: 0.62;

    cursor: not-allowed;

    transform: none;
}


/* =========================================================
   Планшеты и десктоп
   ========================================================= */

@media (min-width: 700px) {
    .register-container {
        margin-top: 38px;

        padding:
            30px
            32px;
    }


    .register-login-button {
        width: auto;
        min-width: 250px;
    }
}


/* =========================================================
   Мобильные устройства
   ========================================================= */

@media (max-width: 699px) {
    .register-container {
        width:
            calc(
                100%
                - 20px
            );

        margin-top: 14px;

        padding:
            20px
            16px
            calc(
                22px
                + env(
                    safe-area-inset-bottom,
                    0px
                )
            );
    }


    .register-icon {
        width: 68px;
        height: 68px;

        flex-basis: 68px;

        font-size: 1.8rem;
    }


    .register-form-section,
    .register-agreements {
        padding:
            15px
            12px;
    }


    .checkbox-group {
        padding:
            11px
            10px;
    }
}


/* =========================================================
   Маленькие телефоны
   ========================================================= */

@media (max-width: 380px) {
    .register-container {
        width:
            calc(
                100%
                - 14px
            );

        padding-right: 12px;
        padding-left: 12px;
    }


    .register-form-section,
    .register-agreements {
        padding:
            14px
            10px;
    }


    .register-section-heading {
        gap: 9px;
    }


    .register-section-number {
        width: 31px;
        height: 31px;

        min-width: 31px;

        flex-basis: 31px;

        border-radius: 10px;
    }


    .checkbox-group {
        gap: 9px;
    }


    .register-checkbox-text {
        font-size: 0.8rem;
    }
}


/* =========================================================
   Низкий горизонтальный экран
   ========================================================= */

@media (
    max-width: 900px
) and (
    orientation: landscape
) and (
    max-height: 540px
) {
    .register-container {
        max-width: 760px;

        margin-top: 8px;
        margin-bottom: 12px;

        padding:
            16px
            20px;
    }


    .register-intro {
        display: grid;

        grid-template-columns:
            auto
            minmax(
                0,
                1fr
            );

        text-align: left;
    }


    .register-icon {
        grid-row:
            1
            /
            span 2;

        width: 58px;
        height: 58px;

        flex-basis: 58px;

        font-size: 1.5rem;
    }


    .register-intro h2,
    .register-intro p {
        grid-column: 2;
    }
}


/* =========================================================
   Уменьшение анимации
   ========================================================= */

@media (
    prefers-reduced-motion: reduce
) {
    .auth-back-link,
    .register-form input,
    .toggle-password,
    .checkbox-group,
    .register-checkbox-control {
        transition: none;
    }


    .register-submit-loader {
        animation: none;
    }
}


/* =========================================================
   Печать
   ========================================================= */

@media print {
    .auth-header,
    .register-secondary-actions,
    .btn-register {
        display: none !important;
    }


    .register-container {
        width: 100%;
        max-width: none;

        margin: 0;
        padding: 0;

        border: 0;

        box-shadow: none;
    }


    .register-form-section,
    .register-agreements {
        break-inside: avoid;

        border:
            1px solid
            var(--muted);
    }
}