/* Nav links */
.nav-link {
    display: inline-block;
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #6b7280;
    transition: all 0.15s;
    text-decoration: none;
}
.nav-link:hover, .nav-link.active {
    background: #f3f4f6;
    color: #111827;
}

/* Status badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}
.status-badge.production, .status-badge.accepted {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
}
.status-badge.staging, .status-badge.validated {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
}
.status-badge.archived, .status-badge.rejected {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}
.status-badge.received {
    background: rgba(59, 130, 246, 0.1);
    color: #2563eb;
}
.status-badge.validating {
    background: rgba(139, 92, 246, 0.1);
    color: #7c3aed;
}

/* Tab buttons */
.tab-btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #6b7280;
    border-bottom: 2px solid transparent;
    background: none;
    cursor: pointer;
    transition: all 0.15s;
}
.tab-btn:hover {
    color: #111827;
}
.tab-btn.active {
    color: #111827;
    border-bottom-color: #10b981;
}