.loader-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(255, 255, 255, 0.85);
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 5000;
    backdrop-filter: blur(4px);
}

.loader-overlay.active { display: flex; }

.loader-spinner {
    width: 60px;
    height: 60px;
    border: 6px solid #f3f3f3;
    border-top: 6px solid var(--primary-blue);
    border-right: 6px solid var(--accent-yellow);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

.loader-text {
    font-family: 'Inter', sans-serif;
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 18px;
    text-align: center;
}

.loader-subtext {
    color: var(--text-light);
    font-size: 14px;
    margin-top: 5px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}