:root {
    --primary-color: #4e73df;
    --secondary-color: #f8f9fc;
    --success-color: #1cc88a;
    --danger-color: #e74a3b;
    --warning-color: #f6c23e;
    --info-color: #36b9cc;
}

body {
    background-color: #f8f9fc;
    font-family: 'Nunito', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* Quiz Styles */
.quiz-card {
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    border: none;
    margin-bottom: 2rem;
}

.quiz-card .card-header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem;
}

.question {
    padding: 1rem 0;
}

.options .form-check {
    background-color: var(--secondary-color);
    padding: 1rem;
    border-radius: 0.35rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.options .form-check:hover {
    background-color: #eaecf4;
    transform: translateY(-2px);
}

.options .form-check-input {
    margin-top: 0.3rem;
}

.options .form-check-label {
    cursor: pointer;
    font-weight: 500;
    width: 100%;
}

/* Discount Code Display */
.discount-code {
    background-color: #f8f9fc;
    font-family: monospace;
    letter-spacing: 2px;
    font-size: 1.5rem;
}

/* Admin Panel Styles */
.sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    padding: 48px 0 0;
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
}

@media (max-width: 767.98px) {
    .sidebar {
        position: static;
        box-shadow: none;
        padding-top: 1rem;
    }
}

.sidebar-sticky {
    position: relative;
    top: 0;
    height: calc(100vh - 48px);
    padding-top: .5rem;
    overflow-x: hidden;
    overflow-y: auto;
}

/* Transitions and Animations */
.fade-transition {
    transition: opacity 0.5s ease;
}

.slide-transition {
    transition: transform 0.5s ease;
}

.pulse {
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}