.session-login-modal {
    position: fixed;
    inset: 0;
    z-index: 10020;
    width: 100%;
    height: 100%;
    max-width: none;
    max-height: none;
    margin: 0;
    padding: 1.5rem;
    border: 0;
    background: transparent;
    overflow-y: auto;
}

.session-login-modal:not([open]) {
    display: none;
}

.session-login-modal.is-visible {
    display: flex;
    align-items: center;
    justify-content: center;
}

.session-login-modal::backdrop {
    background:
        radial-gradient(circle at top, rgba(48, 133, 214, 0.24), transparent 42%),
        rgba(11, 18, 32, 0.72);
    -webkit-backdrop-filter: blur(9px);
    backdrop-filter: blur(9px);
}

.session-login-modal__dialog {
    position: relative;
    width: min(100%, 430px);
    max-height: calc(100vh - 3rem);
    overflow-y: auto;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 24px;
    background: linear-gradient(180deg, #ffffff 0%, #f4f8fc 100%);
    box-shadow: 0 30px 80px rgba(11, 18, 32, 0.28);
    color: #142033;
}

.session-login-modal__brand {
    margin-bottom: 0.75rem;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #3085d6;
}

.session-login-modal__title {
    margin: 0;
    font-size: clamp(1.6rem, 2vw, 2rem);
    line-height: 1.1;
}

.session-login-modal__copy {
    margin: 0.75rem 0 1.5rem;
    color: #52627a;
    line-height: 1.6;
}

.session-login-modal__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    align-items: center;
    margin: -0.4rem 0 1.35rem;
}

.session-login-modal__link {
    color: #1d69b6;
    font-size: 0.92rem;
    font-weight: 700;
    text-decoration: none;
}

.session-login-modal__link:hover {
    text-decoration: underline;
}

.session-login-modal__link--muted {
    color: #6b778b;
}

.session-login-form {
    display: grid;
    gap: 1rem;
}

.session-login-form__field {
    display: grid;
    gap: 0.45rem;
}

.session-login-form__field span {
    font-size: 0.92rem;
    font-weight: 600;
    color: #1d2b40;
}

.session-login-form__field input {
    width: 100%;
    min-height: 52px;
    padding: 0.9rem 1rem;
    border: 1px solid rgba(20, 32, 51, 0.12);
    border-radius: 14px;
    background: #fff;
    font: inherit;
    color: #142033;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.session-login-form__field input:focus {
    outline: none;
    border-color: rgba(48, 133, 214, 0.7);
    box-shadow: 0 0 0 4px rgba(48, 133, 214, 0.14);
}

.session-login-form__actions {
    display: flex;
    justify-content: stretch;
    margin-top: 0.25rem;
}

.session-login-form__submit {
    width: 100%;
    min-height: 52px;
    border: 0;
    border-radius: 14px;
    background: linear-gradient(135deg, #1f5f9d 0%, #154d82 100%);
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
    box-shadow: 0 16px 30px rgba(48, 133, 214, 0.28);
}

.session-login-form__submit:hover {
    transform: translateY(-1px);
}

.session-login-form__submit:disabled {
    cursor: wait;
    opacity: 0.72;
    transform: none;
    box-shadow: none;
}

.session-login-alert {
    padding: 0.9rem 1rem;
    border-radius: 14px;
    font-size: 0.94rem;
    line-height: 1.45;
}

.session-login-alert.is-error {
    background: #fff1f1;
    color: #a12626;
    border: 1px solid #f4c4c4;
}

.session-login-alert.is-success {
    background: #edf8f0;
    color: #1a6b3f;
    border: 1px solid #b9e2c8;
}

body.session-login-lock {
    overflow: hidden;
}

@media (max-width: 640px) {
    .session-login-modal {
        padding: 1rem;
    }

    .session-login-modal__dialog {
        padding: 1.4rem;
        border-radius: 20px;
    }

    .session-login-modal__title {
        font-size: 1.45rem;
    }

    .session-login-modal__copy {
        font-size: 0.95rem;
        margin-bottom: 1.25rem;
    }

    .session-login-form__field span,
    .session-login-modal__link,
    .session-login-alert {
        font-size: 0.9rem;
    }

    .session-login-modal__meta {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 420px) {
    .session-login-modal {
        padding: 0.75rem;
    }

    .session-login-modal__dialog {
        padding: 1.1rem;
        border-radius: 18px;
    }

    .session-login-form__field input,
    .session-login-form__submit {
        min-height: 48px;
        font-size: 0.95rem;
    }
}