.interaction-page {
    max-width: 1180px;
    margin: 0 auto;
}

.interaction-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.interaction-page-actions,
.interaction-filter-actions,
.interaction-hero-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .5rem;
}

.interaction-overview-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: .75rem;
}

.interaction-overview-card {
    min-height: 84px;
    border: 1px solid var(--app-border);
    border-radius: .75rem;
    background: var(--app-surface);
    box-shadow: var(--app-shadow);
    padding: .95rem 1rem;
}

.interaction-overview-label {
    color: var(--app-text-soft);
    font-size: .78rem;
    margin-bottom: .3rem;
}

.interaction-overview-value {
    color: var(--app-text);
    font-size: 1.36rem;
    font-weight: 750;
    line-height: 1.12;
    overflow-wrap: anywhere;
}

.interaction-overview-value.success {
    color: #166534;
}

.interaction-overview-value.warning {
    color: #b45309;
}

.interaction-overview-value.danger {
    color: #be123c;
}

.interaction-filter-shell,
.interaction-panel,
.interaction-form-shell {
    padding: 1rem;
    border-radius: .75rem;
}

.interaction-filter-form {
    display: grid;
    grid-template-columns: minmax(180px, 1fr) minmax(150px, 210px) auto;
    align-items: end;
    gap: .75rem;
}

.interaction-filter-form.wide {
    grid-template-columns: minmax(180px, 1fr) minmax(150px, 210px) minmax(150px, 210px) minmax(150px, max-content) auto;
}

.interaction-card-grid,
.interaction-state-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.interaction-card,
.interaction-state-card {
    border: 1px solid var(--app-border);
    border-radius: .75rem;
    background: var(--app-surface);
    box-shadow: var(--app-shadow);
    overflow: hidden;
    transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.interaction-card:hover,
.interaction-state-card:hover {
    border-color: var(--app-primary);
    box-shadow: 0 18px 38px rgba(15, 23, 42, .09);
    transform: translateY(-2px);
}

.interaction-card {
    display: flex;
    min-height: 198px;
}

.interaction-state-card {
    padding: 1rem;
}

.interaction-card-rail,
.interaction-date-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    flex-direction: column;
    color: #fff;
    background: linear-gradient(180deg, var(--app-primary), var(--app-secondary));
    font-weight: 800;
    text-align: center;
}

.interaction-card-rail {
    width: 78px;
}

.interaction-date-mark {
    width: 72px;
    height: 72px;
    border-radius: 8px;
}

.interaction-card-rail span,
.interaction-date-mark span {
    font-size: 1.32rem;
    line-height: 1;
}

.interaction-card-rail small,
.interaction-date-mark small {
    margin-top: .25rem;
    color: rgba(255, 255, 255, .88);
    font-size: .74rem;
    text-transform: uppercase;
}

.interaction-card-body {
    display: flex;
    flex: 1;
    flex-direction: column;
    min-width: 0;
    padding: 1rem;
}

.interaction-card-head,
.interaction-state-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: .75rem;
}

.interaction-card-subline {
    color: var(--app-text-soft);
    font-size: .85rem;
}

.interaction-card-meta,
.interaction-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
}

.interaction-card-meta {
    margin-top: .9rem;
}

.interaction-pill,
.interaction-status {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    border: 1px solid var(--app-border);
    border-radius: 999px;
    color: var(--app-text-soft);
    background: #f8fafc;
    padding: .15rem .55rem;
    font-size: .74rem;
    white-space: nowrap;
}

.interaction-status {
    color: #475569;
    border-color: #e2e8f0;
    background: #f1f5f9;
    font-weight: 700;
}

.interaction-status.success,
.interaction-pill-success {
    color: #166534;
    border-color: #bbf7d0;
    background: #dcfce7;
}

.interaction-status.warning,
.interaction-pill-warning {
    color: #92400e;
    border-color: #fde68a;
    background: #fef3c7;
}

.interaction-status.danger {
    color: #be123c;
    border-color: #fecdd3;
    background: #ffe4e6;
}

.interaction-pill-muted {
    color: #475569;
    border-color: #e2e8f0;
    background: #f1f5f9;
}

.interaction-stat-stack {
    display: grid;
    gap: .5rem;
    margin-top: auto;
    padding-top: 1rem;
}

.interaction-stat-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    border-radius: .65rem;
    background: #f8fafc;
    color: var(--app-text-soft);
    font-size: .86rem;
    padding: .55rem .65rem;
}

.interaction-stat-row strong {
    color: var(--app-text);
    font-size: .96rem;
    font-weight: 650;
    text-align: right;
    overflow-wrap: anywhere;
}

.interaction-card-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .5rem;
    margin-top: 1rem;
}

.interaction-card-actions.single {
    grid-template-columns: 1fr;
}

.interaction-empty-state {
    grid-column: 1 / -1;
    padding: 2.2rem 1rem;
    text-align: center;
}

.interaction-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.interaction-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border: 1px solid var(--app-border);
    border-radius: .75rem;
    background: linear-gradient(135deg, var(--app-surface), var(--app-primary-faint));
    box-shadow: var(--app-shadow);
    padding: 1.25rem;
}

.interaction-hero-main {
    display: flex;
    align-items: center;
    min-width: 0;
    gap: 1rem;
}

.interaction-hero-meta {
    color: var(--app-text-soft);
    font-size: .9rem;
    margin-top: .55rem;
}

.interaction-detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
    gap: 1rem;
    align-items: start;
}

.interaction-info-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.interaction-info-label {
    color: var(--app-text-soft);
    font-size: .78rem;
    margin-bottom: .25rem;
}

.interaction-info-value {
    color: var(--app-text);
    font-size: .92rem;
    font-weight: 650;
    overflow-wrap: anywhere;
}

.interaction-note-box {
    border-top: 1px solid var(--app-border);
    color: var(--app-text-soft);
    margin-top: 1rem;
    padding-top: 1rem;
    white-space: pre-wrap;
}

.interaction-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.interaction-form-section-title {
    grid-column: 1 / -1;
    color: var(--app-text);
    border-top: 1px solid var(--app-border);
    margin-top: .25rem;
    padding-top: 1rem;
    font-size: .84rem;
    font-weight: 800;
}

.interaction-form-section-title:first-of-type {
    border-top: 0;
    margin-top: 0;
    padding-top: 0;
}

.grid-column-full {
    grid-column: 1 / -1;
}

.interaction-audience-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .75rem;
}

.interaction-audience-option {
    border: 1px solid var(--app-border);
    border-radius: .75rem;
    background: #f8fafc;
    padding: .85rem;
}

.interaction-content-box {
    border: 1px solid var(--app-border);
    border-radius: .75rem;
    background: #f8fafc;
    color: var(--app-text);
    padding: 1rem;
    white-space: pre-wrap;
}

.interaction-segmented {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    border: 1px solid var(--app-border);
    border-radius: .75rem;
    background: #f8fafc;
    padding: .28rem;
}

.interaction-segmented .btn {
    border-radius: 6px;
}

.messaging-layout {
    display: grid;
    grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
    gap: 1rem;
    align-items: stretch;
}

.messaging-sidebar,
.messaging-panel {
    min-height: 640px;
}

.messaging-sidebar,
.messaging-panel,
.people-panel,
.notification-panel {
    border: 1px solid var(--app-border);
    border-radius: .75rem;
    background: var(--app-surface);
    box-shadow: var(--app-shadow);
    overflow: hidden;
}

.messaging-sidebar-head,
.messaging-panel-head,
.people-panel-head,
.notification-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    border-bottom: 1px solid var(--app-border);
    padding: 1rem;
}

.conversation-list,
.people-list,
.notification-list {
    display: grid;
}

.conversation-item,
.people-item,
.notification-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .85rem;
    min-width: 0;
    border-bottom: 1px solid var(--app-border);
    color: var(--app-text);
    background: transparent;
    padding: .92rem 1rem;
    text-decoration: none;
}

.conversation-item:hover,
.people-item:hover,
.notification-item:hover {
    color: var(--app-text);
    background: var(--app-primary-faint);
}

.conversation-item.active {
    border-color: var(--app-primary);
    background: var(--app-primary-faint);
}

.conversation-main,
.people-main,
.notification-main {
    display: flex;
    align-items: center;
    min-width: 0;
    gap: .75rem;
}

.conversation-copy,
.people-copy,
.notification-copy {
    min-width: 0;
}

.conversation-title,
.people-title,
.notification-title {
    color: var(--app-text);
    font-weight: 750;
    line-height: 1.25;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.conversation-preview,
.people-subtitle,
.notification-body {
    color: var(--app-text-soft);
    font-size: .84rem;
    line-height: 1.35;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.notification-body {
    white-space: normal;
}

.conversation-meta,
.notification-meta {
    display: grid;
    justify-items: end;
    gap: .35rem;
    flex: 0 0 auto;
    color: var(--app-text-soft);
    font-size: .78rem;
    text-align: right;
}

.interaction-unread-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    border-radius: 999px;
    color: #fff;
    background: #ef4444;
    padding: 0 .42rem;
    font-size: .74rem;
    font-weight: 800;
}

.interaction-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    border: 1px solid var(--app-primary-soft);
    border-radius: 999px;
    color: #fff;
    background: linear-gradient(135deg, var(--app-primary), var(--app-secondary));
    font-size: .78rem;
    font-weight: 850;
    overflow: hidden;
}

.interaction-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.messaging-panel {
    display: flex;
    flex-direction: column;
}

.messaging-empty {
    display: grid;
    place-items: center;
    min-height: 380px;
    color: var(--app-text-soft);
    text-align: center;
    padding: 2rem;
}

.message-scroll {
    flex: 1;
    min-height: 0;
    max-height: 480px;
    overflow: auto;
    padding: 1rem;
}

.message-row {
    display: flex;
    margin-bottom: .75rem;
}

.message-row.mine {
    justify-content: flex-end;
}

.message-row.theirs {
    justify-content: flex-start;
}

.message-bubble {
    max-width: min(75%, 620px);
    border: 1px solid var(--app-border);
    border-radius: .75rem;
    padding: .72rem .85rem;
}

.message-bubble.mine {
    color: #fff;
    border-color: var(--app-primary);
    background: linear-gradient(135deg, var(--app-primary), var(--app-secondary));
}

.message-bubble.theirs {
    color: var(--app-text);
    background: #f8fafc;
}

.message-sender {
    color: rgba(255, 255, 255, .82);
    font-size: .76rem;
    font-weight: 750;
    margin-bottom: .25rem;
}

.message-body {
    color: inherit;
    font-size: .9rem;
    line-height: 1.45;
    white-space: pre-wrap;
}

.message-time {
    color: rgba(255, 255, 255, .72);
    font-size: .72rem;
    margin-top: .35rem;
    text-align: right;
}

.message-bubble.theirs .message-time {
    color: var(--app-text-soft);
}

.message-bubble.theirs .message-sender {
    color: var(--app-text-soft);
}

.message-compose {
    border-top: 1px solid var(--app-border);
    padding: 1rem;
}

.message-compose-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: .65rem;
}

.people-layout {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.people-search-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: .65rem;
    border-bottom: 1px solid var(--app-border);
    padding: 1rem;
}

.group-mode-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .75rem;
}

.group-mode-option {
    display: block;
    border: 1px solid var(--app-border);
    border-radius: .75rem;
    background: #f8fafc;
    padding: .9rem;
}

.group-mode-option select,
.group-mode-option input[type="radio"] {
    margin-right: .4rem;
}

.notification-item.unread {
    background: var(--app-primary-faint);
}

@media (max-width: 991.98px) {
    .interaction-overview-grid,
    .interaction-card-grid,
    .interaction-state-grid,
    .interaction-detail-layout,
    .messaging-layout,
    .people-layout {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .interaction-filter-form,
    .interaction-filter-form.wide,
    .interaction-form-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 767.98px) {
    .interaction-page-header,
    .interaction-hero {
        align-items: stretch;
        flex-direction: column;
    }

    .interaction-page-actions,
    .interaction-page-actions .btn,
    .interaction-filter-actions,
    .interaction-filter-actions .btn,
    .interaction-hero-actions,
    .interaction-hero-actions .btn {
        width: 100%;
    }

    .interaction-hero-main {
        align-items: flex-start;
    }

    .interaction-overview-grid,
    .interaction-card-grid,
    .interaction-state-grid,
    .interaction-detail-layout,
    .messaging-layout,
    .people-layout,
    .interaction-info-grid,
    .interaction-filter-form,
    .interaction-filter-form.wide,
    .interaction-form-grid,
    .interaction-audience-grid,
    .group-mode-grid {
        grid-template-columns: 1fr;
    }

    .messaging-sidebar,
    .messaging-panel {
        min-height: 0;
    }

    .message-compose-form,
    .people-search-form {
        grid-template-columns: 1fr;
    }

    .message-bubble {
        max-width: 88%;
    }

    .interaction-card-actions {
        grid-template-columns: 1fr;
    }

    .interaction-pagination {
        align-items: stretch;
        flex-direction: column;
    }
}

@media (max-width: 575.98px) {
    .interaction-card {
        flex-direction: column;
        min-height: 0;
    }

    .interaction-card-rail {
        width: 100%;
        min-height: 56px;
        flex-direction: row;
        gap: .35rem;
    }

    .interaction-date-mark {
        width: 56px;
        height: 56px;
    }
}