.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: transparent;
    font-family: 'Segoe UI', sans-serif;
    border-radius: 20px;
}

.login-book {
    display: flex;
    align-items: stretch;
    width: 100%;
    max-width: 860px;
    margin: 20px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 15px 15px 55px var(--color-black);
    border: 1px solid var(--color-border-light);
}

.login-book__page {
    padding: 40px;
    text-align: center;
}

.login-book__page--form {
    flex: 1 1 50%;
    background: var(--color-white);
    box-shadow: inset -22px 0 24px -24px rgba(var(--color-black-rgb), 0.35);
    position: relative;
    z-index: 1;
}

.login-book__page--art {
    flex: 1 1 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 70% 20%, var(--color-secondary-light) 0%, var(--dark-green) 55%, var(--color-secondary-deepest) 100%);
    box-shadow: inset 22px 0 24px -24px rgba(var(--color-black-rgb), 0.45);
    position: relative;
    overflow: hidden;
}

.login-book__sky {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 18px;
    padding: 30px;
    box-sizing: border-box;
}

.login-book__star {
    position: absolute;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--soft-read-color);
    animation: login-book-twinkle 2.6s ease-in-out infinite;
}

.login-book__star--1 { top: 18%; left: 22%; animation-delay: 0s; }
.login-book__star--2 { top: 30%; left: 70%; animation-delay: 0.4s; width: 2px; height: 2px; }
.login-book__star--3 { top: 55%; left: 15%; animation-delay: 0.8s; }
.login-book__star--4 { top: 68%; left: 78%; animation-delay: 1.2s; width: 4px; height: 4px; }
.login-book__star--5 { top: 15%; left: 55%; animation-delay: 1.6s; width: 2px; height: 2px; }
.login-book__star--6 { top: 75%; left: 45%; animation-delay: 2s; }

@keyframes login-book-twinkle {
    0%, 100% { opacity: 0.25; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1.3); }
}

.login-book__moon {
    width: 56px;
    height: 56px;
    color: var(--soft-read-color);
    filter: drop-shadow(0 0 18px rgba(var(--color-cream-rgb), 0.45));
}

.login-book__quill {
    width: 34px;
    height: 34px;
    color: var(--light-green);
    opacity: 0.9;
    transform: rotate(-8deg);
}

.login-book__quote {
    margin: 6px 0 0;
    max-width: 260px;
    color: var(--soft-read-color);
    font-style: italic;
    font-size: 1rem;
    line-height: 1.6;
    opacity: 0.9;
}

@media (max-width: 900px) {
    .login-book {
        flex-direction: column;
        max-width: 460px;
    }

    .login-book__page--form {
        box-shadow: inset 0 -22px 24px -24px rgba(var(--color-black-rgb), 0.35);
        order: 2;
    }

    .login-book__page--art {
        box-shadow: inset 0 22px 24px -24px rgba(var(--color-black-rgb), 0.45);
        order: 1;
        padding: 26px;
    }

    .login-book__sky {
        flex-direction: row;
        gap: 16px;
        padding: 10px;
    }

    .login-book__quote {
        display: none;
    }

    .login-book__moon {
        width: 40px;
        height: 40px;
    }

    .login-book__quill {
        width: 26px;
        height: 26px;
    }
}

@media (max-width: 480px) {
    .login-book__page--art {
        display: none;
    }
}

.login-card__title {
    color: var(--dark-green);
    margin-bottom: 8px;
    font-size: 1.8rem;
}

.login-card__subtitle {
    a {
        color: var(--dark-green);
        font-size: 16px;
        margin-bottom: 30px;
        font-weight: bold;
    }
}

.login-form__group {
    text-align: left;
    margin-bottom: 20px;
}

.login-form__label {
    display: block;
    font-weight: 600;
    color: var(--color-text-strong);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.login-form__input {
    width: 100%;
    padding: 12px 15px;
    border: 1.5px solid var(--color-border);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    box-sizing: border-box; 
}

.login-form__input:focus {
    outline: none;
    outline: none;
    border-color: var(--color-focus);
    background-color: var(--color-white);
}

.login-form__input.input-validation-error {
    border-color: var(--color-danger);
}

.login-form__input.input-validation-error:focus {
    box-shadow: 0 0 0 3px rgba(var(--color-danger-rgb), 0.12);
}

.login-form__error {
    display: block;
    color: var(--color-danger);
    font-size: 0.8rem;
    margin-top: 5px;
}

.login-form__button {
    position: relative;
    width: 100%;
    padding: 14px;
    background-color: var(--dark-green);
    color: var(--color-white);
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease, opacity 0.2s ease;
    margin-top: 10px;
}

.login-form__button:hover {
    background-color: var(--light-green);
}

.login-form__button--loading {
    cursor: not-allowed;
    opacity: 0.85;
}

.login-form__button--loading .login-form__button-text {
    visibility: hidden;
}

.login-form__spinner {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 18px;
    height: 18px;
    margin: -9px 0 0 -9px;
    border: 2px solid rgba(var(--color-white-rgb), 0.4);
    border-top-color: var(--color-white);
    border-radius: 50%;
    animation: login-form-spin 0.7s linear infinite;
}

.login-form__button--loading .login-form__spinner {
    display: block;
}

@keyframes login-form-spin {
    to {
        transform: rotate(360deg);
    }
}

.login-form__footer {
    margin-top: 25px;
    font-size: 0.85rem;

    a {
        color: var(--dark-green);
        font-weight: bold;
        font-size: 16px;
    }
}

.login-form__link {
    color: var(--color-focus);
    text-decoration: none;
    transition: color 0.2s;
}

.login-form__link:hover {
    color: var(--color-secondary-lighter);
    text-decoration: underline;
}

.login-form__divider {
    color: var(--color-border);
    margin: 0 10px;
}