:root {
    --board-navy: #071b3f;
    --board-navy-2: #0d2b59;
    --board-ice: #73d9ff;
    --board-yellow: #ffd43b;
    --board-ink: #11213d;
    --board-muted: #5c6c84;
    --board-line: #d9e6f3;
    --board-surface: #fff;
}

.community-site.message-board-home,
.community-site.message-board-page { background: #eef5fb; color: var(--board-ink); }
.community-site .message-board-hero,
.community-site .message-board-entry,
.community-site .message-board-section,
.community-site .message-board-safety { width: min(1160px, calc(100% - 32px)); margin-inline: auto; }
.message-board-hero { margin-top: 26px; border-radius: 24px; color: #fff; background: linear-gradient(135deg, var(--board-navy), var(--board-navy-2)); padding: 24px clamp(22px, 5vw, 56px) 38px; box-shadow: 0 18px 44px rgba(7, 27, 63, .18); }
.message-board-breadcrumb { display: flex; gap: 10px; align-items: center; min-height: 44px; font-size: .9rem; color: #ccefff; }
.message-board-breadcrumb a { color: #fff; }
.message-board-hero__content { display: grid; grid-template-columns: minmax(0, 1fr) minmax(220px, 420px); gap: 34px; align-items: center; }
.message-board-hero h1 { margin: 5px 0 12px; font-size: clamp(2.1rem, 6vw, 4rem); letter-spacing: .04em; }
.message-board-hero p { max-width: 700px; margin: 0; line-height: 1.8; }
.message-board-hero img { width: 100%; height: auto; filter: drop-shadow(0 10px 18px rgba(0,0,0,.22)); }
.message-board-eyebrow { color: #16638b; font-size: .78rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.message-board-hero .message-board-eyebrow { color: var(--board-yellow); }

.message-board-entry { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .9fr); gap: 30px; align-items: center; margin-top: 22px; padding: 28px; border: 1px solid var(--board-line); border-radius: 20px; background: var(--board-surface); }
.message-board-entry h2, .message-board-section h2, .message-board-safety h2 { margin: 4px 0 10px; font-size: clamp(1.45rem, 3vw, 2rem); }
.message-board-entry p { margin: 0; color: var(--board-muted); line-height: 1.75; }
.message-board-entry__actions { display: flex; gap: 14px; align-items: end; flex-wrap: wrap; }
.message-board-nickname { flex: 1 1 250px; }
.message-board-nickname label { display: block; margin-bottom: 7px; font-weight: 700; }
.message-board-nickname > div { display: flex; gap: 8px; }
.message-board-nickname input { min-width: 0; flex: 1; min-height: 44px; border: 1px solid #9fb7cc; border-radius: 10px; padding: 9px 12px; }
.message-board-honeypot { position: absolute !important; inline-size: 1px !important; block-size: 1px !important; overflow: hidden; opacity: 0; pointer-events: none; }
.message-board-button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 17px; border: 0; border-radius: 11px; background: var(--board-navy); color: #fff; font-weight: 800; text-decoration: none; cursor: pointer; }
.message-board-button:hover, .message-board-button:focus-visible { background: #174879; color: #fff; }
.message-board-button--secondary { background: #fff; color: var(--board-navy); border: 1px solid var(--board-navy); }
.message-board-identity { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.message-board-identity > span { border-radius: 999px; background: #e4f7ff; color: #0c5678; padding: 5px 10px; font-size: .8rem; font-weight: 800; }
.message-board-identity form { margin: 0; }
.message-board-identity button { min-height: 44px; border: 0; background: transparent; color: #315f85; text-decoration: underline; }
.message-board-alert { width: min(1160px, calc(100% - 32px)); margin: 18px auto 0; padding: 14px 18px; border: 1px solid #e2b74a; border-radius: 12px; background: #fff8da; }

.message-board-section { margin-top: 38px; }
.message-board-section__header { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 16px; }
.message-board-section__header p, .message-board-section__header h2 { margin-bottom: 0; }
.message-board-section__header > a { min-height: 44px; display: inline-flex; align-items: center; }
.message-board-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.message-board-card { min-width: 0; display: flex; flex-direction: column; padding: 22px; border: 1px solid var(--board-line); border-radius: 18px; background: #fff; box-shadow: 0 10px 24px rgba(20, 54, 91, .07); }
.message-board-card__icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: var(--board-navy); color: var(--board-yellow); font-size: 1.45rem; }
.message-board-card h3 { margin: 16px 0 8px; font-size: 1.18rem; }
.message-board-card > p { color: var(--board-muted); line-height: 1.65; }
.message-board-card__latest { display: block; margin: auto 0 16px; padding: 12px; border-radius: 12px; background: #f0f7fc; color: var(--board-ink); text-decoration: none; overflow-wrap: anywhere; }
.message-board-card__latest small, .message-board-card__latest strong { display: block; }
.message-board-card__latest small { color: #48708f; margin-bottom: 5px; }
.message-board-card__empty { margin-top: auto; }
.message-board-card__safety { display: grid; gap: 5px; margin: 0 0 16px; padding: 12px; border-radius: 12px; background: #fff7d6; color: #493a13; line-height: 1.5; }
.message-board-card--moderator { border-top: 4px solid var(--board-yellow); }

.message-board-topic-list { list-style: none; margin: 0; padding: 0; border: 1px solid var(--board-line); border-radius: 16px; overflow: hidden; background: #fff; }
.message-board-topic-list li { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(130px, .55fr) 100px 160px; gap: 16px; align-items: center; min-height: 64px; padding: 10px 18px; border-bottom: 1px solid #e8eff5; }
.message-board-topic-list li:last-child { border-bottom: 0; }
.message-board-topic-list a { overflow-wrap: anywhere; }
.message-board-topic-list span, .message-board-topic-list time { color: var(--board-muted); font-size: .88rem; }
.message-board-topic-list b { color: #0d628a; font-size: .75rem; }
.message-board-empty { padding: 28px; border: 1px dashed #9eb5ca; border-radius: 14px; background: #fff; text-align: center; }

.message-board-safety { margin-top: 38px; margin-bottom: 42px; padding: 28px; border-left: 5px solid var(--board-yellow); border-radius: 16px; background: var(--board-navy); color: #fff; }
.message-board-safety .message-board-eyebrow { color: var(--board-yellow); }
.message-board-safety p { max-width: 900px; line-height: 1.75; }
.message-board-safety div:last-child { display: flex; gap: 18px; flex-wrap: wrap; }
.message-board-safety a { display: inline-flex; align-items: center; min-height: 44px; color: var(--board-ice); }
.message-board-safety ul { margin: 10px 0 0; padding-left: 1.3rem; line-height: 1.8; }

.message-board-button:focus-visible, .message-board-card a:focus-visible,
.message-board-topic-list a:focus-visible, .message-board-safety a:focus-visible,
.message-board-nickname input:focus-visible { outline: 3px solid var(--board-yellow); outline-offset: 3px; }

@media (max-width: 980px) {
    .message-board-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .message-board-topic-list li { grid-template-columns: minmax(0, 1fr) 120px; }
    .message-board-topic-list time, .message-board-topic-list span:nth-of-type(2) { display: none; }
}

@media (max-width: 720px) {
    .community-site .message-board-hero, .community-site .message-board-entry,
    .community-site .message-board-section, .community-site .message-board-safety { width: min(100% - 24px, 1160px); }
    .message-board-hero { padding: 16px 20px 28px; border-radius: 18px; }
    .message-board-hero__content { grid-template-columns: 1fr; }
    .message-board-hero img { width: min(100%, 360px); }
    .message-board-entry { grid-template-columns: 1fr; padding: 22px; }
    .message-board-nickname > div { flex-direction: column; }
    .message-board-grid { grid-template-columns: 1fr; }
    .message-board-topic-list li { grid-template-columns: 1fr; gap: 4px; padding: 14px; }
    .message-board-topic-list time, .message-board-topic-list span:nth-of-type(2) { display: block; }
    .message-board-section__header { align-items: start; }
}

@media (min-resolution: 192dpi) {
    .message-board-card { box-shadow: 0 6px 14px rgba(20, 54, 91, .07); }
}