.nav-item.active {
    background: linear-gradient(90deg, #1e40af 0%, #7c3aed 100%);
    color: #fff;
    box-shadow: 0 2px 16px 0 rgba(30,64,175,0.2);
}
.nav-item:not(.active) {
    color: rgba(0,0,0,0.9);
}
.drag-active {
    border-color: #1e40af;
    background: rgba(30, 64, 175, 0.12);
}
.gradient-bg {
    background: linear-gradient(135deg, #1e40af 0%, #7c3aed 100%);
}
.glass-effect {
    backdrop-filter: blur(16px);
    background: rgba(255,255,255,0.25);
    border: 1px solid rgba(255,255,255,0.3);
}
.modern-input {
    border: none;
    background: rgba(255,255,255,0.4);
    backdrop-filter: blur(8px);
    border-radius: 1rem;
    box-shadow: 0 2px 8px 0 rgba(30,64,175,0.15);
    transition: box-shadow 0.2s;
}
.modern-input:focus {
    box-shadow: 0 0 0 4px rgba(30,64,175,0.3);
    outline: none;
}
.modern-btn {
    background: linear-gradient(90deg, #1e40af 0%, #7c3aed 100%);
    color: #fff;
    border-radius: 1rem;
    box-shadow: 0 2px 16px 0 rgba(30,64,175,0.2);
    transition: transform 0.2s, box-shadow 0.2s;
}
.modern-btn:hover {
    transform: scale(1.04);
    box-shadow: 0 4px 24px 0 rgba(30,64,175,0.3);
}
.modern-progress {
    background: linear-gradient(90deg, #1e40af 0%, #7c3aed 100%);
    border-radius: 1rem;
    height: 1rem;
}
.modern-toast {
    backdrop-filter: blur(12px);
    background: linear-gradient(90deg, #1e40afcc 0%, #7c3aedcc 100%);
    color: #fff;
    border-radius: 1rem;
    box-shadow: 0 2px 16px 0 rgba(30,64,175,0.3);
}