.admin-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 280px 1fr;
}

.sidebar-admin {
    background: #0f172a;
    color: #e2e8f0;
    padding: 1.5rem 1rem;
    position: sticky;
    top: 0;
    height: 100vh;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: .9rem;
    padding: .8rem 1rem 1.4rem;
    border-bottom: 1px solid rgba(148, 163, 184, .12);
    margin-bottom: 1rem;
}

.sidebar-logo {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--ba-primary), var(--ba-secondary));
    font-weight: 800;
    color: #fff;
}

.sidebar-brand small {
    display: block;
    color: #94a3b8;
}

.sidebar-client .sidebar-brand small {
    color: #64748b;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: .35rem;
}

.sidebar-link {
    color: inherit;
    text-decoration: none;
    padding: .9rem 1rem;
    border-radius: 14px;
    display: flex;
    align-items: center;
    gap: .8rem;
    transition: .2s ease;
}

.sidebar-admin .sidebar-link {
    color: #cbd5e1;
}

.sidebar-admin .sidebar-link:hover,
.sidebar-admin .sidebar-link.active {
    color: #fff;
    background: rgba(59, 130, 246, .18);
}

.sidebar-client .sidebar-link {
    color: var(--ba-text);
}

.sidebar-client .sidebar-link:hover,
.sidebar-client .sidebar-link.active {
    color: #0f172a;
    background: rgba(59, 130, 246, .08);
}

.admin-content {
    min-width: 0;
}

.topbar-admin {
    background: rgba(255, 255, 255, .82);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--ba-border);
    padding: 1.2rem 1.8rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 10;
}

.topbar-actions,
.topbar-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 800;
}

.stat-card {
    background: #fff;
    border-radius: 20px;
    padding: 1.3rem;
    border: 1px solid var(--ba-border);
    display: flex;
    gap: 1rem;
    align-items: center;
    box-shadow: 0 18px 45px rgba(15, 23, 42, .06);
    height: 100%;
}

.stat-card h3 {
    margin: .2rem 0 0;
    font-weight: 800;
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.permission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: .8rem;
}

.permission-item {
    border: 1px solid var(--ba-border);
    border-radius: 16px;
    padding: .9rem 1rem;
    display: grid;
    gap: .3rem;
}

.permission-item input {
    margin-right: .5rem;
}

.permission-item span {
    font-weight: 700;
    text-transform: capitalize;
}

.permission-item small {
    color: var(--ba-muted);
}

.ticket-thread {
    display: grid;
    gap: 1rem;
}

.ticket-message {
    border: 1px solid var(--ba-border);
    border-radius: 20px;
    padding: 1rem 1.1rem;
    background: #fff;
}

.ticket-message.client {
    border-left: 4px solid var(--ba-primary);
}

.ticket-message.internal {
    background: rgba(245, 158, 11, .08);
    border-color: rgba(245, 158, 11, .22);
}

.ticket-message-header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: .9rem;
    align-items: flex-start;
}

.ticket-message-meta {
    display: block;
    color: var(--ba-muted);
    font-size: .82rem;
    margin-top: .18rem;
    text-transform: capitalize;
}

.ticket-message-body {
    color: var(--ba-text);
}

.ticket-message-body p:last-child {
    margin-bottom: 0;
}

.ticket-attachments {
    display: flex;
    flex-wrap: wrap;
    gap: .65rem;
}

.attachment-chip {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    text-decoration: none;
    padding: .55rem .8rem;
    border-radius: 999px;
    background: rgba(59, 130, 246, .08);
    color: #2563eb;
    border: 1px solid rgba(59, 130, 246, .14);
    font-size: .86rem;
}

.timeline-mini {
    display: grid;
    gap: .9rem;
}

.timeline-mini-item {
    position: relative;
    padding: .95rem 1rem;
    border: 1px solid var(--ba-border);
    border-radius: 16px;
    background: #fbfdff;
}

.timeline-mini-item p {
    margin: .35rem 0;
    color: var(--ba-muted);
}

.sidebar-label {
    display: block;
    margin: 1rem .85rem .25rem;
    font-size: .72rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: #64748b;
    font-weight: 700;
}

.badge-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    display: inline-block;
}

@media (max-width: 991.98px) {
    .admin-shell {
        grid-template-columns: 1fr;
    }

    .sidebar-admin {
        position: relative;
        height: auto;
    }

    .topbar-admin,
    .topbar-actions,
    .topbar-user {
        padding: 1rem;
        flex-direction: column;
        align-items: flex-start;
    }

    .ticket-message-header {
        flex-direction: column;
    }
}