/** Branded, optional sign-in invitation for signed-out landing visits. */

.guest-auth-dialog {
    position: fixed;
    inset: 0;
    width: min(47rem, calc(100% - (var(--space-4) * 2)));
    max-height: calc(100dvh - (var(--space-4) * 2));
    margin: auto;
    padding: 0;
    overflow: auto;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.guest-auth-dialog:not([open]) {
    display: none;
}

.guest-auth-dialog::backdrop {
    background: hsla(258, 45%, 7%, 0.68);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
}

.guest-auth-dialog__panel {
    display: grid;
    grid-template-columns: minmax(11rem, 0.72fr) minmax(0, 1.6fr);
    min-height: 31rem;
}

.guest-auth-dialog__brand {
    position: relative;
    display: flex;
    padding: var(--space-8) var(--space-5);
    overflow: hidden;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    color: var(--color-on-ink);
    text-align: center;
    background:
        radial-gradient(circle at 20% 15%, hsla(42, 95%, 62%, 0.2), transparent 34%),
        radial-gradient(circle at 110% 90%, hsla(252, 92%, 72%, 0.32), transparent 44%),
        var(--gradient-ink);
}

.guest-auth-dialog__brand::after {
    position: absolute;
    inset: 0;
    content: '';
    opacity: 0.14;
    pointer-events: none;
    background-image: radial-gradient(hsla(0, 0%, 100%, 0.72) 1px, transparent 1px);
    background-size: 24px 24px;
    -webkit-mask-image: linear-gradient(155deg, black, transparent 78%);
    mask-image: linear-gradient(155deg, black, transparent 78%);
}

.guest-auth-dialog__brand-mark,
.guest-auth-dialog__brand-name,
.guest-auth-dialog__brand-note {
    position: relative;
    z-index: 1;
}

.guest-auth-dialog__brand-mark {
    display: grid;
    width: 5rem;
    height: 5rem;
    place-items: center;
    background: hsla(0, 0%, 100%, 0.96);
    border: 1px solid hsla(0, 0%, 100%, 0.52);
    border-radius: var(--radius-xl);
    box-shadow: 0 1rem 2.5rem hsla(260, 60%, 4%, 0.34);
}

.guest-auth-dialog__brand-mark img {
    width: 4rem;
    height: 4rem;
}

.guest-auth-dialog__brand-name {
    margin-top: var(--space-4);
    font-size: var(--text-lg);
    font-weight: var(--weight-bold);
    line-height: var(--leading-tight);
}

.guest-auth-dialog__brand-note {
    margin-top: var(--space-2);
    color: var(--color-on-ink-muted);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
}

.guest-auth-dialog__content {
    position: relative;
    padding: var(--space-8);
}

.guest-auth-dialog__close {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    display: grid;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    place-items: center;
    color: var(--color-text-secondary);
    font-size: var(--text-2xl);
    line-height: 1;
    background: transparent;
    border: 0;
    border-radius: var(--radius-full);
    cursor: pointer;
}

.guest-auth-dialog__close:hover {
    color: var(--color-text);
    background: var(--color-surface-alt);
}

.guest-auth-dialog__close:focus-visible,
.guest-auth-dialog__guest-link:focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 2px;
}

.guest-auth-dialog__eyebrow {
    margin: 0 3rem var(--space-2) 0;
    color: var(--color-primary-600);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
}

.guest-auth-dialog h2 {
    margin: 0;
    font-size: var(--text-3xl);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
}

.guest-auth-dialog__content > p:not(.guest-auth-dialog__eyebrow):not(.guest-auth-dialog__assurance) {
    margin: var(--space-3) 0 0;
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

.guest-auth-dialog__benefits {
    display: grid;
    gap: var(--space-2);
    margin: var(--space-5) 0 0;
    padding: 0;
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    list-style: none;
}

.guest-auth-dialog__benefits li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.guest-auth-dialog__benefits span {
    display: grid;
    flex: 0 0 1.45rem;
    height: 1.45rem;
    place-items: center;
    color: var(--color-primary-700);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    background: var(--color-primary-100);
    border-radius: var(--radius-full);
}

.guest-auth-dialog__actions {
    display: grid;
    grid-template-columns: 0.82fr 1.4fr;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

.guest-auth-dialog__guest-link {
    display: block;
    width: fit-content;
    min-height: 2.75rem;
    margin: var(--space-3) auto 0;
    padding: 0.75rem var(--space-2);
    color: var(--color-primary-600);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    text-align: center;
}

.guest-auth-dialog__assurance {
    margin: var(--space-1) 0 0;
    color: var(--color-text-tertiary);
    font-size: var(--text-xs);
    text-align: center;
}

@media (max-width: 640px) {
    .guest-auth-dialog__panel {
        grid-template-columns: 1fr;
    }

    .guest-auth-dialog__brand {
        min-height: 8.75rem;
        padding: var(--space-5);
    }

    .guest-auth-dialog__brand-mark {
        width: 3.75rem;
        height: 3.75rem;
    }

    .guest-auth-dialog__brand-mark img {
        width: 3rem;
        height: 3rem;
    }

    .guest-auth-dialog__brand-name {
        margin-top: var(--space-2);
    }

    .guest-auth-dialog__brand-note {
        display: none;
    }

    .guest-auth-dialog__content {
        padding: var(--space-6) var(--space-5);
    }

    .guest-auth-dialog h2 {
        font-size: var(--text-2xl);
    }

    .guest-auth-dialog__actions {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 380px) {
    .guest-auth-dialog {
        width: calc(100% - (var(--space-2) * 2));
        max-height: calc(100dvh - (var(--space-2) * 2));
    }

    .guest-auth-dialog__content {
        padding: var(--space-5) var(--space-4);
    }
}

@media (prefers-reduced-motion: reduce) {
    .guest-auth-dialog::backdrop {
        -webkit-backdrop-filter: none;
        backdrop-filter: none;
    }
}

@media (forced-colors: active) {
    .guest-auth-dialog,
    .guest-auth-dialog__brand-mark {
        border: 2px solid CanvasText;
    }
}