/* Premium Corporate Light Theme Options */

.option-label {
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-radius: 1rem;
    background: #ffffff;
    border: 2px solid #e2e8f0; /* slate-200 */
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 2px rgba(0,0,0,0.02);
}

.option-label:hover {
    background: #f8fafc; /* slate-50 */
    border-color: #cbd5e1; /* slate-300 */
    transform: translateY(-2px);
    box-shadow: 0 6px 12px -2px rgba(0,0,0,0.05);
}

.option-input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

/* Custom Radio Circle */
.option-radio {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 1.5rem;
    width: 1.5rem;
    border-radius: 50%;
    border: 2px solid #cbd5e1; /* slate-300 */
    background-color: #ffffff;
    margin-right: 1.25rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
}

/* Checked State Styles (Default Red) */
.option-input:checked ~ .option-label {
    background: #fef2f2; /* red-50 */
    border-color: #b91c1c; /* red-700 */
    box-shadow: 0 4px 15px -3px rgba(185, 28, 28, 0.15);
}

.option-input:checked ~ .option-label .option-radio {
    border-color: #b91c1c; /* red-700 */
    border-width: 6px; 
    background-color: #ffffff;
}

/* Confirmed Correct State */
.option-label.is-correct {
    background: #ecfdf5 !important; /* emerald-50 */
    border-color: #10b981 !important; /* emerald-500 */
    box-shadow: 0 4px 15px -3px rgba(16, 185, 129, 0.15) !important;
}
.option-label.is-correct .option-radio {
    border-color: #059669 !important; /* emerald-600 */
    border-width: 6px !important;
}
.option-label.is-correct .option-text {
    color: #065f46 !important; /* emerald-800 */
}

/* Confirmed Wrong State */
.option-label.is-wrong {
    background: #fef2f2 !important; /* red-50 */
    border-color: #ef4444 !important; /* red-500 */
    box-shadow: 0 4px 15px -3px rgba(239, 68, 68, 0.15) !important;
}
.option-label.is-wrong .option-radio {
    border-color: #dc2626 !important; /* red-600 */
    border-width: 6px !important;
}
.option-label.is-wrong .option-text {
    color: #991b1b !important; /* red-800 */
}

/* Text styles */
.option-text {
    font-size: 1.05rem;
    color: #475569; /* slate-600 */
    font-weight: 600;
    line-height: 1.5;
    transition: color 0.2s ease;
}

.option-input:checked ~ .option-label .option-text {
    color: #0f172a; /* slate-900 */
    font-weight: 700;
}

/* Enter animations */
@keyframes slideUp {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

.animate-slide-up {
    animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}