body {
    font-family: 'Inter', sans-serif;
    background-color: #121212;
    overflow-x: hidden;
}
.step { display: none; }
.step.active { display: block; }
.step-transition { animation: fadeIn 0.5s ease-in-out; }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.gradient-text {
    background: -webkit-linear-gradient(left, #F97316, #16A34A);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.preference-card {
    border: 2px solid #E5E7EB;
    transition: all 0.2s ease-in-out;
}
.preference-card.selected {
    border-color: #F97316;
    background-color: #FFF7ED;
}
.toggle-bg:after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    background: white;
    border-radius: 9999px;
    width: 1.25rem;
    height: 1.25rem;
    transition: all 0.2s ease-in-out;
}
input:checked + .toggle-bg:after {
    transform: translateX(100%);
}
input:checked + .toggle-bg {
    background-color: #22C55E;
}

#qrcode-container { display: flex; justify-content: center; align-items: center; padding: 1rem; background: white; border-radius: 0.5rem; }


.card {
    background-color: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    border: 1px solid #E5E7EB;
}

.card-title {
    display: flex;
    align-items: center;
    font-size: 1.125rem;
    font-weight: 600;
    color: #1F2937;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #F3F4F6;
}