:root {
    --primary-green: #2E8B57;
    --light-green: #90EE90;
    --dark-green: #006400;
    --soft-green: #F0FFF0;
    --medium-green: #3CB371;
    --primary-blue: #4169E1;
    --light-blue: #87CEEB;
    --soft-blue: #F0F8FF;
    --primary-yellow: #FFD700;
    --light-yellow: #FFFACD;
    --white: #FFFFFF;
    --text-dark: #2C3E50;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: linear-gradient(135deg, var(--soft-green) 0%, var(--soft-blue) 50%, var(--light-yellow) 100%);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    min-height: 100vh;
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, var(--dark-green), var(--primary-blue));
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

.brand-icon {
    margin-right: 8px;
}

.nav-link {
    color: var(--white) !important;
    font-weight: 500;
    transition: all 0.3s;
}

.nav-link:hover {
    color: var(--light-yellow) !important;
    transform: translateY(-2px);
}

/* Header */
.main-title {
    color: var(--dark-green);
    font-weight: 700;
    margin-bottom: 10px;
    font-size: 2.5rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.subtitle {
    color: var(--primary-blue);
    font-size: 1.2rem;
    margin-bottom: 20px;
    font-weight: 500;
}

/* Tabs */
.tools-tabs {
    margin: 30px 0;
}

.nav-tabs {
    border-bottom: 3px solid var(--primary-blue);
    justify-content: center;
    flex-wrap: wrap;
}

.nav-tabs .nav-link {
    color: var(--text-dark) !important;
    background: linear-gradient(135deg, var(--light-green), var(--light-blue));
    border: none;
    border-radius: 10px 10px 0 0;
    margin: 0 5px 5px 0;
    font-weight: 600;
    padding: 12px 20px;
    transition: all 0.3s ease;
}

.nav-tabs .nav-link:hover {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
    color: white !important;
    transform: translateY(-3px);
}

.nav-tabs .nav-link.active {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
    color: white !important;
    border: none;
    box-shadow: 0 4px 15px rgba(46, 139, 87, 0.3);
}

.tab-content {
    background: var(--white);
    border-radius: 0 15px 15px 15px;
    box-shadow: 0 8px 25px rgba(65, 105, 225, 0.15);
    padding: 30px;
    margin-top: -1px;
    min-height: 500px;
}

/* Assessment Container */
.assessment-container h3 {
    color: var(--dark-green);
    margin-bottom: 15px;
    font-weight: 600;
}

.assessment-description {
    color: #666;
    font-size: 1rem;
    margin-bottom: 30px;
    line-height: 1.6;
    padding: 15px;
    background: var(--soft-green);
    border-radius: 10px;
    border-left: 4px solid var(--primary-blue);
}

/* Question Styles */
.question {
    margin: 25px 0;
    padding: 20px;
    background: linear-gradient(135deg, var(--soft-green), var(--soft-blue));
    border-radius: 12px;
    border-left: 4px solid var(--primary-yellow);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.question p {
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-dark);
    font-size: 1.1rem;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.option-label {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    background: var(--white);
    border: 2px solid transparent;
}

.option-label:hover {
    background: var(--light-yellow);
    border-color: var(--primary-yellow);
    transform: translateX(5px);
}

.option-label input {
    margin-right: 12px;
    transform: scale(1.2);
}

/* Button Styles */
.btn-calculate {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
    color: white;
    border: none;
    border-radius: 10px;
    padding: 15px 30px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin: 20px 0;
    font-size: 1.1rem;
    width: 100%;
}

.btn-calculate:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(46, 139, 87, 0.4);
}

/* Results Styles */
.results {
    margin-top: 30px;
    padding: 25px;
    border-radius: 12px;
    display: none;
    animation: fadeIn 0.5s ease;
}

.results.show {
    display: block;
}

.results.low {
    background: linear-gradient(135deg, #E8F5E8, #F0FFF0);
    border: 2px solid var(--primary-green);
}

.results.mild {
    background: linear-gradient(135deg, #FFF9E6, #FFFACD);
    border: 2px solid var(--primary-yellow);
}

.results.moderate {
    background: linear-gradient(135deg, #FFE6E6, #FFE4E1);
    border: 2px solid #FF6B6B;
}

.results.severe {
    background: linear-gradient(135deg, #FFCCCC, #FFB6C1);
    border: 2px solid #FF0000;
}

.results h4 {
    color: var(--dark-green);
    margin-bottom: 15px;
}

.results ul {
    margin: 15px 0;
    padding-left: 20px;
}

.results li {
    margin: 8px 0;
    line-height: 1.5;
}

/* About Section */
.about-section {
    background: linear-gradient(135deg, var(--white) 0%, var(--soft-blue) 100%);
    padding: 80px 0;
    margin-top: 50px;
}

.section-title {
    color: var(--dark-green);
    font-weight: 700;
    margin-bottom: 40px;
    font-size: 2.5rem;
}

.about-content {
    text-align: left;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 25px;
    color: var(--text-dark);
}

.about-text .lead {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--primary-blue);
}

.mission-vision {
    margin: 40px 0;
}

.mission-card, .vision-card {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(65, 105, 225, 0.1);
    border-left: 5px solid var(--primary-green);
    height: 100%;
    transition: transform 0.3s;
}

.mission-card:hover, .vision-card:hover {
    transform: translateY(-5px);
}

.mission-card h4, .vision-card h4 {
    color: var(--dark-green);
    margin-bottom: 15px;
}

.principles {
    margin: 40px 0;
}

.principles h4 {
    color: var(--dark-green);
    margin-bottom: 25px;
    text-align: center;
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.principle {
    background: var(--white);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    border-top: 4px solid var(--primary-blue);
}

.principle:hover {
    transform: translateY(-5px);
}

.principle strong {
    color: var(--primary-green);
    font-size: 1.1rem;
    display: block;
    margin-bottom: 10px;
}

.team-message {
    background: linear-gradient(135deg, var(--light-green), var(--light-blue));
    padding: 30px;
    border-radius: 15px;
    margin: 40px 0;
    border-left: 5px solid var(--primary-yellow);
}

.team-message h4 {
    color: var(--dark-green);
    margin-bottom: 15px;
}

.resources {
    margin: 40px 0;
}

.resources h4 {
    color: var(--dark-green);
    margin-bottom: 20px;
    text-align: center;
}

.crisis-resources {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.crisis-item {
    background: var(--white);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    border-left: 4px solid #FF6B6B;
}

.crisis-item strong {
    color: #FF6B6B;
    display: block;
    margin-bottom: 10px;
}

/* Ad Units */
.ad-unit {
    background: #f8f9fa;
    border: 2px dashed #ccc;
    padding: 25px;
    text-align: center;
    margin: 2rem 0;
    border-radius: 10px;
    color: #666;
    font-weight: 500;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--dark-green), var(--primary-blue));
    color: white;
    text-align: center;
    padding: 30px 0;
    margin-top: 50px;
}

.footer p {
    margin: 5px 0;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .main-title {
        font-size: 2rem;
    }
    
    .nav-tabs .nav-link {
        padding: 10px 15px;
        font-size: 0.9rem;
        margin-bottom: 5px;
    }
    
    .tab-content {
        padding: 20px;
    }
    
    .question {
        padding: 15px;
    }
    
    .principles-grid {
        grid-template-columns: 1fr;
    }
    
    .crisis-resources {
        grid-template-columns: 1fr;
    }
    
    .mission-card, .vision-card {
        margin-bottom: 20px;
        padding: 20px;
    }
}