.activation-screen { background: #fcfcfd; min-height: 100vh; display: flex; align-items: center; padding: 20px 0; }
.activation-card { background: white; border-radius: 30px; padding: 40px; border: 1px solid #f1f5f9; }

.fw-900 { font-weight: 900; letter-spacing: -1.5px; color: #1e293b; }

.serial-badge {
    display: inline-block;
    background: #6366f1;
    color: white;
    padding: 5px 20px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.85rem;
    margin-top: 10px;
}

.form-label { font-weight: 700; font-size: 0.75rem; color: #64748b; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.form-control { border-radius: 12px; padding: 12px 16px; border: 1px solid #e2e8f0; font-size: 0.95rem; transition: 0.3s; }
.form-control:focus { border-color: #6366f1; box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1); }

.privacy-note { background: #f8fafc; padding: 12px; border-radius: 12px; font-size: 0.75rem; color: #64748b; }

.btn-activate {
    background: #1e293b;
    color: white;
    padding: 16px;
    border-radius: 15px;
    font-weight: 700;
    border: none;
    transition: 0.3s;
}

.btn-activate:hover { background: #0f172a; transform: translateY(-2px); }