.room-index-page .simple-header {
    padding-top: 1.6rem;
}

.room-index-page .room-index-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-bottom: 1.45rem;
}

.room-index-page .room-index-nav a,
.room-index-page .room-enter-link,
.room-index-page .room-secondary-link {
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 2px;
    padding: 0.45rem 0.75rem;
    background: rgba(255, 255, 255, 0.045);
    color: var(--text);
    font-weight: 700;
}

.room-index-page .room-index-nav a:hover,
.room-index-page .room-enter-link:hover,
.room-index-page .room-secondary-link:hover {
    border-color: var(--accent);
}

.room-index-page .room-section-head {
    display: grid;
    gap: 0.35rem;
    margin-bottom: 1rem;
}

.room-index-page .room-card-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 0.85rem;
}

.room-index-page .room-alert {
    margin: 0 0 1rem;
    border: 1px solid rgba(232, 201, 139, 0.36);
    border-radius: 2px;
    padding: 0.85rem 1rem;
    background: rgba(232, 201, 139, 0.1);
    color: var(--accent-soft);
    line-height: 1.7;
}

.room-index-page .room-index-card {
    min-width: 0;
    display: grid;
    gap: 0.9rem;
    border: 1px solid rgba(236, 220, 188, 0.18);
    border-radius: 2px;
    padding: 1rem;
    background: rgba(8, 12, 18, 0.82);
    box-shadow: none;
}

.room-index-page .room-index-card.has-new {
    border-color: rgba(232, 201, 139, 0.42);
}

.room-index-page .room-card-top {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    align-items: flex-start;
}

.room-index-page .room-type {
    margin: 0 0 0.32rem;
    color: var(--accent);
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.room-index-page .room-title {
    margin: 0;
    color: var(--text);
    font-size: 1.16rem;
}

.room-index-page .new-badge {
    flex: 0 0 auto;
    border: 1px solid rgba(232, 201, 139, 0.45);
    border-radius: 2px;
    padding: 0.16rem 0.48rem;
    background: rgba(232, 201, 139, 0.14);
    color: var(--accent-soft);
    font-size: 0.72rem;
    font-weight: 800;
}

.room-index-page .room-description,
.room-index-page .room-latest,
.room-index-page .empty-room-note {
    margin: 0;
    color: var(--muted);
    line-height: 1.72;
}

.room-index-page .room-meta-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem;
    margin: 0;
}

.room-index-page .room-meta-grid div {
    min-width: 0;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 2px;
    padding: 0.55rem;
    background: rgba(255, 255, 255, 0.035);
}

.room-index-page .room-meta-grid dt,
.room-index-page .room-latest span {
    margin-bottom: 0.16rem;
    color: var(--accent);
    font-size: 0.73rem;
    font-weight: 800;
}

.room-index-page .room-meta-grid dd {
    margin: 0;
    color: var(--text);
    font-family: "Yu Gothic", "Hiragino Sans", "Meiryo", system-ui, sans-serif;
    font-size: 0.9rem;
}

.room-index-page .room-latest {
    border-left: 2px solid rgba(232, 201, 139, 0.38);
    padding-left: 0.75rem;
}

.room-index-page .room-latest span {
    display: block;
}

.room-index-page .room-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 0.1rem;
}

.room-index-page .room-enter-link {
    border-color: rgba(232, 201, 139, 0.42);
    background: rgba(232, 201, 139, 0.12);
}

.room-index-page .empty-room-note {
    border: 1px solid var(--line);
    border-radius: 2px;
    padding: 0.85rem;
    background: rgba(255, 255, 255, 0.035);
}

@media (max-width: 760px) {
    .room-index-page .room-card-list,
    .room-index-page .room-meta-grid {
        grid-template-columns: 1fr;
    }

    .room-index-page .room-index-nav a,
    .room-index-page .room-enter-link,
    .room-index-page .room-secondary-link {
        width: 100%;
    }

    .room-index-page .room-index-card {
        margin-inline: -0.85rem;
        border-left: 0;
        border-right: 0;
        border-radius: 0;
    }
}

/* Room directory: two columns on PC, one column on mobile. */
.room-index-page .room-card-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .9rem;
    border-top: 0;
}

.room-index-page .room-index-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-content: start;
    align-items: start;
    gap: .85rem;
    min-width: 0;
    padding: 1rem;
    border: 1px solid rgba(236, 220, 188, 0.18);
    background: rgba(8, 12, 18, 0.72);
}

.room-index-page .room-card-top,
.room-index-page .room-description,
.room-index-page .room-meta-grid,
.room-index-page .room-latest,
.room-index-page .room-card-actions {
    grid-column: 1;
    grid-row: auto;
    min-width: 0;
}

.room-index-page .room-description,
.room-index-page .room-latest { overflow-wrap: anywhere; }

.room-index-page .room-card-actions { align-self: end; }

@media (max-width: 760px) {
    .room-index-page .room-card-list { grid-template-columns: 1fr; }
    .room-index-page .room-index-card {
        margin-inline: 0;
        padding: .9rem;
        border-left: 1px solid rgba(236, 220, 188, 0.18);
        border-right: 1px solid rgba(236, 220, 188, 0.18);
    }
}