body {
    font-family: 'Vazirmatn', sans-serif;
    background-color: #f1f5f9; /* slate-100 for a soft base */
}

/* --- Interactive Background (Kept as is) --- */
#interactive-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 10% 20%, #e0e7ff, transparent 40%),
                radial-gradient(circle at 80% 90%, #d1fae5, transparent 40%),
                radial-gradient(circle at 50% 50%, #f3e8ff, transparent 30%);
    transition: background 1.5s ease-in-out;
}

/* --- Card Redesign (No more Glassmorphism) --- */
.card {
    background-color: rgba(255, 255, 255, 1); /* Opaque white */
    border: 1px solid #e2e8f0; /* slate-200 border */
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1); /* Softer, more modern shadow */
    transform-style: preserve-3d;
    z-index: 1;
}

/* --- New, Softer Page Transitions --- */
@keyframes animate-enter {
    from { opacity: 0; transform: scale(0.98); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes animate-exit {
    from { opacity: 1; transform: scale(1); }
    to { opacity: 0; transform: scale(0.98); }
}

.animate-enter {
    animation: animate-enter 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}
.animate-exit {
    animation: animate-exit 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}


/* --- 3D Intelligent Card Styles (Kept as is) --- */
.option-card {
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                box-shadow 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.option-card:hover {
    box-shadow: 0 10px 30px -10px var(--halo-color, rgba(129, 140, 248, 0.5));
}

.option-card input:checked + label {
    border-color: #4f46e5; /* indigo-600 */
    background-color: #e0e7ff; /* indigo-100 */
    transform: scale(1.02);
}

/* --- Pulsing, Animated Progress Bar --- */
#progress-bar {
    position: relative;
    overflow: hidden; /* Important for the shimmer effect */
}

#progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 2s infinite linear;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* --- New Score List Design --- */
.score-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #f8fafc; /* slate-50 */
    padding: 1rem;
    border-radius: 0.75rem; /* 12px */
    border: 1px solid #e2e8f0; /* slate-200 */
    transition: all 0.2s ease-in-out;
}

.score-list-item:hover {
    transform: translateY(-2px);
    border-color: #c7d2fe; /* indigo-200 */
    background-color: #eef2ff; /* indigo-50 */
}