:root {
    --office-green: var(--sumait-green, #0d6638);
    --office-green-dark: var(--sumait-green-dark, #074b30);
    --office-gold: var(--sumait-gold, #f4b41a);
    --office-border: var(--sumait-border, #e3e8ee);
    --office-muted: var(--sumait-muted, #64748b);
}

.office-hero {
    background: linear-gradient(135deg, rgba(4, 76, 49, .98), rgba(13, 102, 56, .88));
    color: #fff;
}

.office-hero .breadcrumb-item,
.office-hero .breadcrumb-item::before,
.office-hero .breadcrumb-item a {
    color: rgba(255, 255, 255, .84);
}

.office-hero .breadcrumb-item.active,
.office-hero-subtitle {
    color: #fff;
}

.office-sidebar {
    position: sticky;
    top: 100px;
    padding: 20px;
    background: #fff;
    border: 1px solid var(--office-border);
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(15, 23, 42, .06);
}

.office-side-nav .list-group-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 12px;
    color: #253142;
    border: 0;
    border-bottom: 1px solid #edf0f3;
    font-weight: 700;
}

.office-side-nav .list-group-item:last-child { border-bottom: 0; }
.office-side-nav .list-group-item.active {
    background: #edf7f1;
    color: var(--office-green);
    border-radius: 9px;
}

.office-content-card,
.office-card,
.office-function-card,
.office-service-card,
.office-leader-card,
.office-staff-card {
    height: 100%;
    padding: 24px;
    background: #fff;
    border: 1px solid var(--office-border);
    border-radius: 15px;
    box-shadow: 0 9px 24px rgba(15, 23, 42, .05);
}

.office-card,
.office-function-card,
.office-service-card,
.office-staff-card {
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.office-card:hover,
.office-function-card:hover,
.office-service-card:hover,
.office-staff-card:hover {
    transform: translateY(-3px);
    border-color: #badcca;
    box-shadow: 0 15px 30px rgba(15, 23, 42, .09);
}

.office-card-icon {
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    margin-bottom: 14px;
    background: #edf7f1;
    color: var(--office-green);
    border-radius: 14px;
    font-size: 26px;
}

.office-badge {
    display: inline-flex;
    padding: 5px 10px;
    background: #edf7f1;
    color: var(--office-green);
    border: 1px solid #cce6d7;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 900;
}

.office-section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 20px;
}

.office-leader-card {
    background: linear-gradient(180deg, #fff, #f4faf7);
}

.office-leader-photo {
    display: grid;
    place-items: center;
    width: 92px;
    height: 92px;
    margin-bottom: 18px;
    overflow: hidden;
    background: #dcefe4;
    color: var(--office-green);
    border-radius: 50%;
    font-size: 46px;
}

.office-leader-photo img,
.office-staff-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.office-contact-strip {
    display: grid;
    gap: 10px;
    padding: 16px;
    background: #f8fafc;
    border: 1px solid var(--office-border);
    border-radius: 12px;
}

.office-contact-strip > div {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.office-contact-strip i { color: var(--office-green); }

.office-service-card {
    display: flex;
    align-items: flex-start;
    gap: 13px;
    padding: 19px;
}

.office-service-card > i {
    margin-top: 2px;
    color: var(--office-green);
    font-size: 20px;
}

.office-mini-card {
    padding: 20px;
    background: #f8fafc;
    border: 1px solid var(--office-border);
    border-radius: 13px;
}

.office-mini-card > i {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--office-green);
    font-size: 28px;
}

.office-staff-avatar {
    display: grid;
    place-items: center;
    width: 64px;
    height: 64px;
    margin-bottom: 14px;
    overflow: hidden;
    background: #edf7f1;
    color: var(--office-green);
    border-radius: 50%;
    font-size: 31px;
}

.office-document-card {
    display: flex;
    gap: 15px;
    height: 100%;
    padding: 18px;
    background: #fff;
    border: 1px solid var(--office-border);
    border-radius: 13px;
}

.office-document-icon {
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    width: 48px;
    height: 48px;
    background: #fff0f0;
    color: #b42318;
    border-radius: 11px;
    font-size: 23px;
}

.office-empty-state {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 22px;
    background: #f8fafc;
    color: var(--office-muted);
    border: 1px dashed #cbd5e1;
    border-radius: 13px;
}

.office-empty-state > i {
    color: var(--office-green);
    font-size: 29px;
}

.office-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 28px;
    background: linear-gradient(135deg, var(--office-green-dark), var(--office-green));
    color: #fff;
    border-radius: 16px;
}

@media (max-width: 991.98px) {
    .office-sidebar { position: static; }
    .office-cta,
    .office-section-heading {
        align-items: flex-start;
        flex-direction: column;
    }
}