.activity-workspace {
    max-width: 1440px;
    margin: 0 auto;
    color: var(--omni-color-text, #252238);
    --activity-border: var(--omni-color-border, #e5e2ed);
    --activity-surface: var(--omni-color-surface, #fff);
    --activity-muted: var(--omni-color-text-muted, #706b80);
    --activity-primary: var(--omni-color-primary, #6950c7);
}

.activity-context { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; color: var(--activity-muted); font-size: .8rem; }
.activity-context span:first-child { color: var(--activity-primary); font-weight: 700; letter-spacing: .08em; }
.activity-workspace .activity-details-container { margin-bottom: 24px; }
.activity-workspace .activity-details-card { padding: 24px; border: 1px solid var(--activity-border); border-radius: var(--omni-radius-card, 20px); background: var(--activity-surface); box-shadow: var(--omni-shadow-card, 0 4px 18px #25223808); }
.activity-workspace .activity-header { margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--activity-border); gap: 16px; }
.activity-workspace .activity-info { min-width: 0; }
.activity-workspace .activity-title { font-size: 1.65rem; color: inherit; overflow-wrap: anywhere; }
.activity-workspace .activity-description { color: var(--activity-muted); overflow-wrap: anywhere; }
.activity-workspace .activity-metadata-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-bottom: 20px; }
.activity-workspace .metadata-item { padding: 14px; gap: 10px; border: 1px solid var(--activity-border); background: var(--omni-color-page, #f7f6fa); transform: none; }
.activity-workspace .metadata-icon:not(.certificate-status .metadata-icon) { background: var(--omni-color-primary-soft, #f0ecfa); color: var(--activity-primary); }
.activity-workspace .metadata-content { min-width: 0; }
.activity-workspace .metadata-label { color: var(--activity-muted); font-size: .7rem; letter-spacing: .02em; overflow-wrap: anywhere; }
.activity-workspace .metadata-value { color: var(--omni-color-text, #252238); font-size: .9rem; }
.activity-workspace .certificate-status.no-certificate { background: var(--omni-color-page, #f7f6fa); border-color: var(--activity-border); }
.activity-workspace .certificate-status.no-certificate .metadata-icon { background: var(--activity-border); color: var(--activity-muted); }
.activity-workspace .activity-admins-list { padding: 16px; background: var(--activity-surface); border: 1px solid var(--activity-border); }
.activity-workspace .admins-header { padding-bottom: 12px; margin-bottom: 12px; border-bottom: 1px solid var(--activity-border); gap: 12px; }
.activity-workspace .admins-title { color: inherit; font-size: .95rem; }
.activity-workspace .admins-title i { color: var(--activity-primary); }
.activity-workspace .admin-item { max-width: 100%; padding: 6px 10px; border-color: var(--activity-border); background: var(--omni-color-page, #f7f6fa); color: var(--activity-muted); font-size: .8rem; }
.activity-workspace .admin-item span { overflow-wrap: anywhere; min-width: 0; }
.activity-workspace .admin-badge,
.activity-workspace .admin-item.more { background: var(--omni-color-primary-soft, #f0ecfa); color: var(--activity-primary); border-color: transparent; }

.activity-navigation { padding: 8px; margin-bottom: 24px; gap: 4px; background: var(--activity-surface); border: 1px solid var(--activity-border); border-radius: 14px; }
.activity-navigation a { display: block; text-decoration: none; border-radius: 9px; }
.activity-navigation .nav-link { color: var(--omni-color-text, #252238); border-radius: 9px; min-height: 44px; display: flex; align-items: center; gap: 8px; font-size: .875rem; font-weight: 600; padding: 10px 12px; }
.activity-navigation .nav-link.active { background: var(--activity-primary); color: #fff; }
.activity-navigation a:hover .nav-link:not(.active) { background: var(--omni-color-primary-soft, #f0ecfa); color: var(--activity-primary); }
.activity-section-heading { margin: 0 0 16px; }
.activity-section-heading h2 { font-size: 1.1rem; font-weight: 700; margin: 0 0 4px; }
.activity-section-heading p { color: var(--activity-muted); font-size: .875rem; margin: 0; }
.activity-content-card { border: 1px solid var(--activity-border); border-radius: 16px; background: var(--activity-surface); box-shadow: none; min-height: 160px; }
.activity-content-card .card-body { margin-top: 0 !important; padding: 50px 20px 20px; gap: 12px; }
.activity-content-card .card-img-top { width: 56px; height: 64px; flex-shrink: 0; margin: 0 !important; }
.activity-create-card { border-style: dashed; background: var(--omni-color-primary-soft, #f0ecfa); cursor: pointer; }
.activity-create-card .card-body { padding-top: 20px; }
.activity-open { padding: 8px 0; color: var(--activity-primary); text-align: left; }
.activity-workspace .text-dark { color: var(--omni-color-text, #252238) !important; }
.activity-workspace .text-muted { color: var(--activity-muted) !important; }
.activity-workspace .btn { min-height: 44px; border-radius: var(--omni-radius-control, 10px); }
.activity-workspace .btn-sm { min-width: 44px; }
.activity-workspace .btn-primary,
.activity-workspace .btn-info { background: var(--activity-primary); border-color: var(--activity-primary); color: #fff; }
.activity-workspace .btn-outline-primary { color: var(--activity-primary); border-color: var(--activity-primary); }
.activity-workspace .btn-outline-primary:hover { background: var(--activity-primary); color: #fff; }
.activity-workspace .form-control { min-height: 44px; background: var(--activity-surface) !important; color: var(--omni-color-text, #252238); border: 1px solid var(--activity-border) !important; border-radius: var(--omni-radius-control, 10px); }
.activity-workspace :is(button, a, input, [tabindex]):focus-visible { outline: 3px solid var(--activity-primary); outline-offset: 3px; box-shadow: var(--omni-shadow-control-focus); }
.activity-workspace :is(#pills-participants, #pills-presence-list) > .card { height: auto !important; min-height: 320px !important; background: var(--activity-surface); border: 1px solid var(--activity-border) !important; border-radius: 16px; box-shadow: none !important; }
.activity-workspace :is(#pills-participants, #pills-presence-list) .card-header { border-radius: 16px 16px 0 0; padding: 20px !important; background: var(--activity-surface) !important; }
.activity-workspace :is(#pills-participants, #pills-presence-list) .table { table-layout: fixed; color: inherit; }
.activity-workspace :is(#pills-participants, #pills-presence-list) .table tr { background: transparent; }
.activity-workspace :is(#pills-participants, #pills-presence-list) .table td { padding: 12px 20px; border-color: var(--activity-border); }
.activity-workspace :is(#pills-participants, #pills-presence-list) td .bg-white { background: var(--activity-surface) !important; box-shadow: none !important; margin: 0 !important; padding: 8px 12px !important; }
.activity-workspace :is(#pills-participants, #pills-presence-list) .flex-grow-1 { min-width: 0; overflow-wrap: anywhere; }
.activity-workspace #pills-participants [style*="border-style: dashed"] { border: 1px solid var(--activity-border) !important; border-radius: 10px !important; font-size: .85rem !important; }
.activity-workspace #pills-presence-list [data-toggle="modal"] { border-style: solid !important; min-height: 44px; }
.activity-workspace #pills-presence-list :is(h5, label) { color: var(--omni-color-text, #252238) !important; }
.activity-workspace .alert { background: var(--activity-surface); color: var(--activity-muted); border: 1px solid var(--activity-border); border-radius: 16px; padding: 28px; }

/* Participant actions follow the course design. */
.activity-workspace #pills-participants .participant-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    align-items: center;
    gap: 6px;
}
.activity-workspace #pills-participants .participant-actions > .btn {
    min-height: 32px;
    min-width: 32px;
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    margin: 0;
    padding: 5px 8px;
    border: 1px solid var(--activity-border);
    border-radius: var(--omni-radius-control, 10px) !important;
    background: var(--omni-color-primary-soft, #f0ecfa);
    color: var(--activity-primary);
    font-size: .75rem;
    font-weight: 600;
    box-shadow: none;
}
.activity-workspace #pills-participants .participant-actions > .btn:hover {
    background: var(--omni-color-primary-soft, #f0ecfa);
    border-color: var(--activity-primary);
    color: var(--activity-primary);
}
.activity-workspace #pills-participants .participant-actions > .btn-outline-danger {
    order: 1;
    color: var(--omni-color-danger, #bd3048);
    border-color: color-mix(in srgb, var(--omni-color-danger, #bd3048) 30%, var(--activity-surface));
    background: color-mix(in srgb, var(--omni-color-danger, #bd3048) 9%, var(--activity-surface));
    margin-left: 4px;
}
.activity-workspace #pills-participants .participant-actions > .btn-outline-danger:hover {
    border-color: var(--omni-color-danger, #bd3048);
    background: var(--omni-color-danger, #bd3048);
    color: #fff;
}
.activity-workspace #pills-participants .participant-actions > .btn-outline-success { color: #18743c; background: #eaf7ee; border-color: #b6dec3; }
.activity-workspace #pills-participants .participant-actions > .btn-outline-success:hover { color: #fff; background: #18743c; border-color: #18743c; }
.activity-workspace #pills-participants .participant-actions > .btn-outline-warning { color: #855600; background: #fff5da; border-color: #e9d18f; }
.activity-workspace #pills-participants .participant-actions > .btn-outline-warning:hover { color: #fff; background: #855600; border-color: #855600; }
.activity-workspace #pills-participants .card-header > .row:first-child { margin-top: 0 !important; }
.activity-workspace #pills-participants .input-group { gap: 8px; }
.activity-workspace #pills-participants .input-group-append { margin-left: 0; }
.activity-workspace #pills-participants .input-group .form-control { border-radius: var(--omni-radius-control, 10px); }

@media (min-width: 1200px) {
    .activity-workspace .activity-metadata-grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
}
@media (max-width: 767px) {
    .activity-workspace #pills-participants .participant-actions > .btn { min-height: 40px; }
    .activity-workspace #pills-participants .participant-actions { justify-content: flex-start; margin-top: 8px; }
    .activity-workspace #pills-participants .participant-actions > .btn-outline-danger { margin-left: 0; }
    .activity-workspace .activity-details-card { padding: 16px; }
    .activity-workspace .activity-metadata-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
    .activity-workspace .metadata-item { padding: 10px; gap: 8px; }
    .activity-workspace .metadata-icon { width: 28px; height: 28px; font-size: 1rem; }
    .activity-workspace .activity-title { font-size: 1.3rem; }
    .activity-navigation { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .activity-navigation .nav-link { height: 100%; font-size: .8rem; padding: 10px 8px; }
    .activity-content-card { margin-bottom: 12px; height: auto !important; }
    .activity-workspace :is(#pills-participants, #pills-presence-list) .table td { padding: 12px; }
    .activity-workspace :is(#pills-participants, #pills-presence-list) .card-header { padding: 16px !important; }
    .activity-workspace #pills-presence-list .btn-group { flex-wrap: wrap; gap: 8px; }
}

.activity-progress { padding: 24px; margin-bottom: 24px; border: 1px solid var(--activity-border); border-radius: var(--omni-radius-card, 20px); background: var(--activity-surface); }
.activity-progress > div { gap: 20px; flex-wrap: wrap; }
.activity-progress h5 { color: var(--activity-primary) !important; }
.activity-content-card .flex-grow-1 { min-width: 0; overflow-wrap: anywhere; }
.activity-workspace .activity-header, .activity-workspace .admins-header { flex-wrap: wrap; }
.activity-workspace .activity-admins-section { margin-left: 0; }
.activity-workspace .activity-metadata-grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.activity-workspace #pills-medical-record .card { background: var(--activity-surface); border: 1px solid var(--activity-border); border-radius: 16px; }
@media (max-width: 767px) {
 .activity-workspace .activity-metadata-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
 .activity-navigation li, .activity-navigation a { min-width: 0; height: 100%; }
 .activity-navigation .nav-link { overflow-wrap: anywhere; }
 .activity-progress { padding: 16px; }
}