/* Main Styles */
:root {
    --primary-green: #2E7D32;
    --dark-green: #1B5E20;
    --light-green: #4CAF50;
    --primary-blue: #1A237E;
    --light-blue: #3F51B5;
    --warning: #FF9800;
    --danger: #F44336;
    --light-bg: #F8F9FA;
    --dark-bg: #212529;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f8f9fa;
}

.bg-green {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--dark-green) 100%) !important;
}

.bg-light-green {
    background-color: var(--light-green) !important;
}

.bg-light-blue {
    background-color: var(--light-blue) !important;
}

/* Icon Circles */
.icon-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-circle-lg {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Cards */
.card {
    border: none;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1) !important;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('../images/bg-pattern.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    border-radius: 15px;
}

/* Quiz Options */
.quiz-option {
    padding: 15px;
    border: 2px solid #dee2e6;
    border-radius: 10px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.3s;
}

.quiz-option:hover {
    border-color: var(--primary-green);
    background-color: rgba(46, 125, 50, 0.05);
}

.quiz-option.selected {
    border-color: var(--primary-green);
    background-color: rgba(46, 125, 50, 0.1);
}

/* Tables */
.table th {
    border-top: none;
    font-weight: 600;
}

/* Buttons */
.btn {
    border-radius: 8px;
    padding: 10px 20px;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-success {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--dark-green) 100%);
    border: none;
}

.btn-success:hover {
    background: linear-gradient(135deg, var(--dark-green) 0%, var(--primary-green) 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(46, 125, 50, 0.3);
}

/* Navigation */
.navbar {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.nav-link {
    border-radius: 8px;
    margin: 0 5px;
    transition: all 0.3s;
}

.nav-link:hover {
    background-color: rgba(255,255,255,0.1);
}

.nav-link.active {
    background-color: rgba(255,255,255,0.2);
    font-weight: 600;
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #343a40 100%);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .icon-circle-lg {
        width: 80px;
        height: 80px;
    }
    
    .icon-circle-lg i {
        font-size: 2rem !important;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-green);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dark-green);
}