:root {
    color-scheme: light;
    font-family: "Segoe UI", Arial, Helvetica, sans-serif;
    color: #17324d;
    background: #eaf1f5;
    --brand-blue: #0875ad;
    --brand-blue-dark: #075a88;
    --brand-teal: #168b83;
    --surface: #ffffff;
    --surface-soft: #f6fafc;
    --border: #cad9e2;
    --border-soft: #dce6ec;
    --muted: #5c7184;
    --focus: #f4b400;
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    background: #eaf1f5;
    font-size: 15px;
    line-height: 1.35;
}

a {
    color: var(--brand-blue-dark);
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

a:hover {
    color: var(--brand-blue);
}

a:focus-visible,
summary:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 2px;
}

.page {
    width: min(100% - 20px, 760px);
    margin: 0 auto;
    padding: 10px 0 18px;
}

.hero,
.panel {
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
}

.hero {
    overflow: hidden;
}

.hero__banner {
    display: block;
    width: 100%;
    height: auto;
}

.panel {
    margin-top: 8px;
    padding: 10px 12px;
}

.panel h2 {
    display: flex;
    align-items: center;
    gap: 7px;
    margin: 0 0 8px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-soft);
    color: #142f47;
    font-size: 17px;
    line-height: 1.15;
}

.panel h2::before {
    width: 4px;
    height: 16px;
    border-radius: 2px;
    background: var(--brand-teal);
    content: "";
}

.panel--important {
    border-color: #e3b8b0;
    background: #fffafa;
}

.panel--important h2::before {
    background: #bb493a;
}

.entry-list {
    display: grid;
    gap: 5px;
}

.entry {
    display: block;
    margin: 0;
    border: 1px solid var(--border-soft);
    border-radius: 6px;
    color: inherit;
    background: var(--surface-soft);
    text-decoration: none;
}

.entry__summary {
    display: grid;
    grid-template-columns: 88px minmax(0, 1fr) 18px;
    column-gap: 8px;
    align-items: start;
    width: 100%;
    min-height: 34px;
    margin: 0;
    padding: 7px 8px;
}

.entry time {
    grid-column: 1;
    color: #12648b;
    font-size: 13px;
    font-weight: 650;
    white-space: nowrap;
}

.entry__headline {
    grid-column: 2;
    color: #17324d;
    font-size: 14px;
    font-weight: 650;
    line-height: 1.25;
}

.entry--expandable > summary {
    cursor: pointer;
    list-style: none;
}

.entry--expandable > summary::-webkit-details-marker {
    display: none;
}

.entry--expandable > summary::after {
    grid-column: 3;
    color: var(--brand-blue-dark);
    content: "›";
    font-size: 20px;
    font-weight: 700;
    line-height: 16px;
    transition: transform 120ms ease;
}

.entry--expandable[open] > summary::after {
    transform: rotate(90deg);
}

.entry--expandable:hover,
.entry--link:hover {
    border-color: #9fbfce;
    background: #eef7fa;
}

.entry__indicator {
    grid-column: 3;
    color: var(--brand-blue-dark);
    font-size: 15px;
    font-weight: 700;
    line-height: 16px;
}

.entry__body {
    margin: 0 8px 8px 104px;
    padding: 7px 9px;
    border-left: 3px solid #b8dbe5;
    background: #ffffff;
}

.entry__detail {
    margin: 0;
    color: #334c61;
    white-space: pre-wrap;
}

.entry__action {
    margin: 7px 0 0;
}

.promotion {
    margin: 0 0 6px;
    padding: 8px 9px;
    border: 1px solid #b8ddc4;
    border-left: 4px solid #2a8c4b;
    border-radius: 6px;
    background: #f4fbf6;
}

.promotion h3 {
    margin: 0;
    color: #244c34;
    font-size: 14px;
}

.promotion__text {
    margin: 3px 0 0;
    color: #355846;
}

.version__number {
    margin: 0;
    color: #203d55;
    font-weight: 700;
}

.status {
    margin: 7px 0 0;
    padding: 6px 8px;
    border: 1px solid transparent;
    border-radius: 5px;
    font-weight: 700;
    text-align: center;
}

.status--available {
    border-color: #f0c9b6;
    color: #8a3212;
    background: #fff1e8;
}

.status--current {
    border-color: #b8dfc3;
    color: #187236;
    background: #edf9f0;
}

.empty {
    margin: 0;
    color: var(--muted);
}

.footer {
    margin-top: 8px;
    padding: 0 2px;
}

.footer__links {
    display: flex;
    flex-wrap: wrap;
    gap: 5px 12px;
    align-items: center;
}

.footer a {
    font-size: 13px;
    font-weight: 600;
}

@media (max-width: 52rem) {
    html,
    body {
        min-width: 0;
    }

    body {
        font-size: 14px;
        line-height: 1.3;
    }

    .page {
        width: 100%;
        padding: 6px;
    }

    .hero,
    .panel {
        border-radius: 6px;
    }

    .panel {
        margin-top: 6px;
        padding: 7px 8px;
    }

    .panel h2 {
        gap: 6px;
        margin-bottom: 5px;
        padding-bottom: 4px;
        font-size: 15px;
    }

    .panel h2::before {
        width: 3px;
        height: 14px;
    }

    .entry-list {
        gap: 4px;
    }

    .entry__summary {
        grid-template-columns: 86px minmax(0, 1fr) 16px;
        column-gap: 6px;
        min-height: 30px;
        padding: 5px 6px;
    }

    .entry time {
        font-size: 12px;
    }

    .entry__headline {
        font-size: 13px;
        line-height: 1.2;
    }

    .entry--expandable > summary::after {
        font-size: 18px;
    }

    .entry__body {
        margin: 0 6px 6px 98px;
        padding: 6px 7px;
    }

    .promotion {
        margin-bottom: 5px;
        padding: 6px 7px;
    }

    .promotion h3 {
        font-size: 13px;
    }

    .version__number,
    .status {
        font-size: 13px;
    }

    .status {
        margin-top: 5px;
        padding: 5px 7px;
    }

    .footer {
        margin-top: 6px;
    }

    .footer a {
        font-size: 12px;
    }
}

@media (max-width: 28rem) {
    .page {
        padding: 4px;
    }

    .panel {
        margin-top: 4px;
        padding: 6px;
    }

    .panel h2 {
        font-size: 14px;
    }

    .entry__summary {
        grid-template-columns: 76px minmax(0, 1fr) 14px;
        column-gap: 5px;
        padding: 5px;
    }

    .entry time {
        font-size: 11px;
    }

    .entry__headline {
        font-size: 12px;
    }

    .entry__body {
        margin: 0 5px 5px 86px;
        padding: 5px 6px;
        font-size: 12px;
    }

    .version__number,
    .status {
        font-size: 12px;
    }

    .footer__links {
        gap: 4px 9px;
    }

    .footer a {
        font-size: 11px;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}