.sb-updates {
    --sb-surface: color-mix(in srgb, var(--bs-body-bg, #0f1627) 88%, transparent);
    --sb-surface-soft: color-mix(in srgb, var(--bs-secondary-bg, #192238) 76%, transparent);
    --sb-border: color-mix(in srgb, var(--bs-border-color, #97acda) 72%, transparent);
    --sb-text-muted: color-mix(in srgb, var(--bs-body-color, #e3eafa) 70%, transparent);
    --sb-accent-a: #4f74c8;
    --sb-accent-b: #7457b8;
    --sb-success: #5fa77a;
    --sb-radius: 18px;
}

.sb-updates__intro {
    margin-bottom: 1.25rem;
    padding: 1.25rem 1.35rem;
    border: 1px solid var(--sb-border);
    border-radius: var(--sb-radius);
    color: var(--bs-body-color, #f4f7ff);
    background:
        radial-gradient(circle at 88% 0%, rgba(116, 87, 184, .15), transparent 36%),
        radial-gradient(circle at 12% 100%, rgba(79, 116, 200, .11), transparent 34%),
        var(--sb-surface);
    box-shadow: 0 16px 42px rgba(3, 7, 18, .16);
    backdrop-filter: blur(10px);
}

.sb-updates__intro p {
    color: var(--sb-text-muted);
}

.sb-updates__toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin: 1.25rem 0;
    padding: .65rem;
    border: 1px solid var(--sb-border);
    border-radius: 999px;
    background: color-mix(in srgb, var(--bs-body-bg, #0e1525) 78%, transparent);
    backdrop-filter: blur(12px);
}

.sb-display-modes {
    display: inline-flex;
    gap: .25rem;
}

.sb-mode-button {
    padding: .48rem .9rem;
    border: 0;
    border-radius: 999px;
    color: var(--sb-text-muted);
    background: transparent;
    font-size: .84rem;
    font-weight: 650;
    transition: color .2s ease, background-color .2s ease, box-shadow .2s ease;
}

.sb-mode-button:hover,
.sb-mode-button:focus-visible {
    color: #fff;
    background: rgba(255, 255, 255, .06);
}

.sb-mode-button.is-active {
    color: #fff;
    background: linear-gradient(135deg, rgba(79, 116, 200, .9), rgba(116, 87, 184, .9));
    box-shadow: 0 6px 16px rgba(54, 60, 124, .22);
}

.sb-updates__filter {
    width: min(220px, 40vw);
}

.sb-updates__filter .form-select {
    min-height: 38px;
    border: 1px solid var(--sb-border);
    border-radius: 999px;
    color: var(--bs-body-color, #f4f7ff);
    background-color: color-mix(in srgb, var(--bs-body-bg, #101827) 90%, transparent);
    box-shadow: none;
    color-scheme: dark;
}

.sb-updates__filter .form-select:hover,
.sb-updates__filter .form-select:focus {
    border-color: color-mix(in srgb, var(--sb-primary, #6f79d8) 55%, var(--sb-border));
    background-color: color-mix(in srgb, var(--bs-body-bg, #101827) 96%, transparent);
    box-shadow: 0 0 0 .2rem color-mix(in srgb, var(--sb-primary, #6f79d8) 14%, transparent);
}

.sb-updates__filter .form-select option {
    color: #f4f7ff;
    background: #101827;
}

.sb-update-list {
    display: grid;
    gap: 1.25rem;
}

.sb-update-card {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--sb-border);
    border-radius: var(--sb-radius);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, .025), transparent 38%),
        color-mix(in srgb, var(--bs-body-bg, #0f1627) 90%, transparent);
    box-shadow: 0 16px 40px rgba(3, 7, 18, .16);
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.sb-update-card:hover {
    transform: translateY(-2px);
    border-color: rgba(131, 156, 216, .28);
    box-shadow: 0 20px 48px rgba(3, 7, 18, .22);
}


.sb-update-card__accent {
    height: 6px;
    background: linear-gradient(90deg, var(--sb-accent-a), var(--sb-accent-b));
}

.sb-update-card__accent--violet {
    background: linear-gradient(90deg, #6857a4, #486caa);
}

.sb-update-card__body {
    padding: 1.35rem;
}

.sb-update-card__header,
.sb-update-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.sb-update-card__badges {
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
}

.sb-badge {
    display: inline-flex;
    align-items: center;
    min-height: 27px;
    padding: .26rem .68rem;
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 999px;
    color: rgba(247, 249, 255, .92);
    background: rgba(255, 255, 255, .055);
    font-size: .73rem;
    font-weight: 650;
    line-height: 1;
}

.sb-badge--type {
    background: rgba(76, 108, 177, .2);
}

.sb-badge--version {
    background: rgba(111, 85, 167, .2);
}

.sb-badge--smart {
    background: rgba(72, 135, 105, .18);
}

.sb-updates[data-badge-theme="soft"] .sb-badge {
    border-color: rgba(255, 255, 255, .08);
    background: rgba(255, 255, 255, .04);
}

.sb-updates[data-badge-theme="gradient"] .sb-badge {
    background: linear-gradient(135deg, rgba(79, 116, 200, .3), rgba(116, 87, 184, .3));
}

.sb-update-card__meta,
.sb-update-card__read-time {
    display: flex;
    align-items: center;
    gap: .4rem;
    color: var(--sb-text-muted);
    font-size: .78rem;
}

.sb-update-card__content {
    margin: 1.15rem 0;
}

.sb-update-card__content h2 {
    margin-bottom: .75rem;
    font-size: clamp(1.2rem, 3vw, 1.65rem);
}

.sb-update-card__summary {
    color: rgba(235, 240, 251, .82);
    line-height: 1.7;
}

.sb-update-card__summary--compact {
    display: none;
}

.sb-embed {
    display: flex;
    align-items: flex-start;
    gap: .85rem;
    margin-top: 1rem;
    padding: .95rem 1rem;
    border: 1px solid rgba(91, 130, 201, .22);
    border-radius: 13px;
    background: rgba(65, 96, 157, .12);
}

.sb-embed--success {
    border-color: rgba(95, 167, 122, .22);
    background: rgba(67, 124, 88, .12);
}

.sb-embed__icon {
    display: grid;
    place-items: center;
    flex: 0 0 26px;
    width: 26px;
    height: 26px;
    border-radius: 8px;
    color: #dfe8ff;
    background: rgba(91, 130, 201, .24);
    font-weight: 750;
}

.sb-embed--success .sb-embed__icon {
    background: rgba(95, 167, 122, .25);
}

.sb-embed p {
    margin-top: .18rem;
    color: var(--sb-text-muted);
    line-height: 1.55;
}

.sb-update-quote {
    margin: 1rem 0 0;
    padding: .85rem 1rem;
    border-left: 3px solid rgba(116, 87, 184, .7);
    border-radius: 0 10px 10px 0;
    color: rgba(235, 240, 251, .76);
    background: rgba(116, 87, 184, .08);
    font-style: italic;
}

.sb-update-card__footer {
    padding-top: .95rem;
    border-top: 1px solid rgba(255, 255, 255, .075);
}

.sb-update-card__status {
    display: inline-flex;
    align-items: center;
    gap: .48rem;
    color: var(--sb-text-muted);
    font-size: .8rem;
    font-weight: 650;
}

.sb-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--sb-success);
    box-shadow: 0 0 0 4px rgba(95, 167, 122, .09);
}

.sb-status-dot--scheduled {
    background: #8b78ba;
    box-shadow: 0 0 0 4px rgba(139, 120, 186, .09);
}

.sb-update-list[data-current-mode="compact"] {
    gap: .8rem;
}

.sb-update-list[data-current-mode="compact"] .sb-update-card__body {
    padding: 1rem 1.15rem;
}

.sb-update-list[data-current-mode="compact"] .sb-update-card__summary--comfort,
.sb-update-list[data-current-mode="compact"] .sb-embed,
.sb-update-list[data-current-mode="compact"] .sb-update-quote,
.sb-update-list[data-current-mode="compact"] .sb-update-card__read-time {
    display: none;
}

.sb-update-list[data-current-mode="compact"] .sb-update-card__summary--compact {
    display: block;
    margin-bottom: 0;
}

.sb-update-list[data-current-mode="compact"] .sb-update-card__content {
    margin: .8rem 0;
}

.sb-updates__empty {
    padding: 3.25rem 1.25rem;
    text-align: center;
    border: 1px dashed rgba(151, 172, 218, .2);
    border-radius: var(--sb-radius);
    color: var(--sb-text-muted);
    background: color-mix(in srgb, var(--bs-body-bg, #0f1627) 72%, transparent);
}

.sb-updates__empty-icon {
    margin-bottom: .75rem;
    font-size: 1.75rem;
}

@media (max-width: 767.98px) {
    .sb-updates__toolbar,
    .sb-update-card__header,
    .sb-update-card__footer {
        align-items: stretch;
        flex-direction: column;
    }


    .sb-updates__toolbar {
        border-radius: 16px;
    }

    .sb-display-modes {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .sb-updates__filter {
        width: 100%;
    }


    .sb-update-card__meta {
        flex-wrap: wrap;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sb-mode-button,
    .sb-update-card {
        transition: none;
    }
}

/* Public background presets. They affect only the page atmosphere, never the cards. */
.sb-public-page {
    --sb-page-bg-base: #24262b;
    --sb-page-bg-layer: linear-gradient(180deg, #26282e 0%, #202228 52%, #1c1e24 100%);
    --sb-page-orb-a: rgba(107, 122, 151, .22);
    --sb-page-orb-b: rgba(73, 86, 112, .18);
    position: relative;
    isolation: isolate;
    width: 100vw;
    max-width: 100vw;
    min-height: max(68vh, 580px);
    margin-left: calc(50% - 50vw);
    overflow: hidden;
    color: var(--bs-body-color, #e5e7eb);
    background-color: var(--sb-page-bg-base);
    background-image: var(--sb-page-bg-layer);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.sb-public-page::before,
.sb-public-page::after {
    content: "";
    position: absolute;
    z-index: -2;
    width: clamp(260px, 34vw, 560px);
    aspect-ratio: 1;
    border-radius: 50%;
    pointer-events: none;
    filter: blur(82px);
    opacity: .22;
}

.sb-public-page::before {
    top: -24%;
    left: -10%;
    background: var(--sb-page-orb-a);
}

.sb-public-page::after {
    right: -12%;
    bottom: -30%;
    background: var(--sb-page-orb-b);
}

.sb-public-page > .sb-background-particles {
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: 0;
    transform: translateZ(0);
    will-change: background-position;
}

.sb-public-page > .sb-updates {
    position: relative;
    z-index: 1;
    width: 100%;
}

.sb-background--discord-dark {
    --sb-page-bg-base: #24262b;
    --sb-page-bg-layer:
        radial-gradient(ellipse at 16% -4%, rgba(143, 157, 181, .12), transparent 38%),
        radial-gradient(ellipse at 88% 16%, rgba(74, 91, 122, .12), transparent 44%),
        linear-gradient(180deg, #26282e 0%, #202228 52%, #1c1e24 100%);
    --sb-page-orb-a: rgba(107, 122, 151, .22);
    --sb-page-orb-b: rgba(73, 86, 112, .18);
}

.sb-background--discord-dark > .sb-background-particles {
    opacity: .46;
    background-image:
        radial-gradient(circle, rgba(255, 255, 255, .58) 0 1px, transparent 1.55px),
        radial-gradient(circle, rgba(220, 231, 255, .25) 0 .8px, transparent 1.35px),
        radial-gradient(circle, rgba(255, 255, 255, .16) 0 .65px, transparent 1.2px);
    background-size: 86px 86px, 131px 131px, 179px 179px;
    background-position: 0 0, 43px 27px, 91px 64px;
    animation: sbParticles 52s linear infinite;
}

.sb-background--modern-deep-blue {
    --sb-page-bg-base: #071126;
    --sb-page-bg-layer:
        radial-gradient(ellipse at 12% -8%, rgba(54, 119, 218, .28), transparent 40%),
        radial-gradient(ellipse at 90% 18%, rgba(50, 73, 166, .22), transparent 44%),
        linear-gradient(150deg, #061022 0%, #0a1c3e 56%, #07152d 100%);
    --sb-page-orb-a: rgba(35, 96, 190, .30);
    --sb-page-orb-b: rgba(50, 64, 142, .24);
}

.sb-background--soft-blue {
    --sb-page-bg-base: #1a3551;
    --sb-page-bg-layer:
        radial-gradient(ellipse at 10% -5%, rgba(195, 226, 252, .24), transparent 38%),
        radial-gradient(ellipse at 90% 14%, rgba(112, 177, 230, .24), transparent 42%),
        linear-gradient(150deg, #1a3551 0%, #28557e 56%, #24496c 100%);
    --sb-page-orb-a: rgba(145, 199, 240, .27);
    --sb-page-orb-b: rgba(93, 154, 210, .24);
}

@keyframes sbParticles {
    to {
        background-position: 86px 172px, -88px 152px, 189px -113px;
    }
}

/* Public controls stay readable while allowing the selected atmosphere to remain visible. */
.sb-public-page .sb-updates__intro,
.sb-public-page .sb-updates__toolbar,
.sb-public-page .sb-empty-state {
    color: var(--bs-body-color, #f3f6ff);
    background: rgba(10, 16, 29, .68);
    border-color: rgba(170, 191, 230, .18);
    box-shadow: 0 18px 48px rgba(2, 7, 18, .20);
    backdrop-filter: blur(14px) saturate(115%);
    -webkit-backdrop-filter: blur(14px) saturate(115%);
}

.sb-background--soft-blue .sb-updates__intro,
.sb-background--soft-blue .sb-updates__toolbar,
.sb-background--soft-blue .sb-empty-state {
    background: rgba(12, 31, 52, .68);
    border-color: rgba(219, 237, 255, .20);
}

/* The card design is deliberately invariant across all background presets. */
.sb-public-page .sb-update-card {
    color: var(--bs-body-color, #eef3ff);
}

.sb-mode-button {
    min-height: 38px;
    letter-spacing: .01em;
}

.sb-updates__filter .form-select {
    padding-inline: .9rem 2.25rem;
}

@supports not (backdrop-filter: blur(1px)) {
    .sb-public-page .sb-updates__intro,
    .sb-public-page .sb-updates__toolbar,
    .sb-public-page .sb-empty-state {
        background: rgba(10, 16, 29, .92);
    }
}

@media (prefers-reduced-motion: reduce) {
    .sb-background-particles {
        animation: none !important;
        will-change: auto;
    }
}

@media (max-width: 700px) {
    .sb-public-page {
        min-height: 70vh;
    }

    .sb-public-page::before,
    .sb-public-page::after {
        filter: blur(60px);
        opacity: .16;
    }
}

.sb-update-card__image {
    display: block;
    width: 100%;
    max-height: 430px;
    object-fit: cover;
}

.sb-update-card[data-importance="critical"] .sb-update-card__accent { background: #ef4444; }
.sb-update-card[data-importance="important"] .sb-update-card__accent { background: #f59e0b; }
.sb-update-card[data-importance="minor"] .sb-update-card__accent { background: #64748b; }

.sb-embed {
    border-left: 4px solid var(--sb-embed-color, #3b82f6);
}

.sb-update-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 1rem;
    padding: .68rem 1rem;
    border-radius: 12px;
    color: #fff;
    background: linear-gradient(135deg, #426fbe, #6857a4);
    box-shadow: 0 8px 22px rgba(34, 55, 105, .2);
    text-decoration: none;
    transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}

.sb-update-action:hover,
.sb-update-action:focus-visible {
    color: #fff;
    transform: translateY(-1px);
    filter: brightness(1.06);
    box-shadow: 0 11px 26px rgba(34, 55, 105, .27);
}

.sb-ai-summary {
    margin: 1rem 0;
    padding: .9rem 1rem;
    border: 1px solid rgba(96, 165, 250, .2);
    border-radius: 14px;
    background: rgba(59, 130, 246, .08);
}

.sb-empty-state {
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--sb-border);
    border-radius: var(--sb-radius);
    color: var(--sb-text-muted);
    background: var(--sb-surface);
    backdrop-filter: blur(10px);
}

@media (max-width: 700px) {
    .sb-update-card__image {
        max-height: 250px;
    }
}