.stat-card {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid #334155;
    border-radius: 0.75rem;
    padding: 1rem 1.25rem;
}
.stat-label {
    display: block;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #64748b;
    margin-bottom: 0.25rem;
}
.stat-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: #fcd34d;
}
.mail-item {
    border: 1px solid #334155;
    border-radius: 0.75rem;
    padding: 0.875rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}
.mail-item-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: #e2e8f0;
}
.mail-item-meta {
    font-size: 0.7rem;
    color: #64748b;
}
.status-badge {
    font-size: 0.65rem;
    padding: 0.2rem 0.5rem;
    border-radius: 9999px;
    text-transform: uppercase;
}
.status-active { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.status-draft { background: rgba(100, 116, 139, 0.2); color: #94a3b8; }
.status-sent { background: rgba(56, 189, 248, 0.15); color: #38bdf8; }
.status-new { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.sequence-step {
    border-left: 2px solid #b45309;
    padding-left: 0.75rem;
    margin-left: 0.5rem;
    font-size: 0.75rem;
    color: #94a3b8;
}