/* Variables */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #475569;
    --secondary-light: #94a3b8;
    --accent: #8b5cf6;
    --success: #22c55e;
    --warning: #eab308;
    --danger: #ef4444;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-800: #1f2937;
    --gray-900: #111827;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-100);
    padding-bottom: 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header Styles */
header {
    background-color: var(--primary);
    color: white;
    padding: 2rem 0;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 2.25rem;
    margin-bottom: 0.5rem;
}

/* Navigation Styles */
nav {
    background-color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

nav ul {
    display: flex;
    list-style: none;
    padding: 0;
}

nav li {
    padding: 1rem;
}

nav a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--primary-dark);
}

/* Section Styles */
.section {
    margin-bottom: 2.5rem;
    background-color: white;
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    padding: 2rem;
}

.section h2 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--gray-200);
}

/* Flex Layout */
.flex-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.flex-item {
    flex: 1 1 300px;
}

/* Card Styles */
.card {
    background-color: white;
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--gray-200);
}

.criteria-card {
    border-left: 4px solid var(--primary);
}

.criteria-card h3 {
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.alt-card {
    border-top: 4px solid var(--accent);
}

.alt-card h3 {
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.author-info {
    background-color: white;
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    padding: 1.5rem;
    margin-bottom: 2rem;
    border: 1px solid var(--gray-200);
}

.author-info h3 {
    color: var(--primary);
    margin-bottom: 0.75rem;
}

/* Typography */
h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

h4 {
    font-size: 1.25rem;
    margin-top: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--secondary);
}

p {
    margin-bottom: 1rem;
}

ul, ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

/* Table Styles */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}

th, td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

th {
    background-color: var(--gray-100);
    font-weight: 600;
}

.ranking-1 {
    background-color: rgba(34, 197, 94, 0.1);
    font-weight: 600;
}

.ranking-2 {
    background-color: rgba(139, 92, 246, 0.1);
    font-weight: 500;
}

.ranking-3 {
    background-color: rgba(139, 92, 246, 0.05);
    font-weight: 500;
}

/* Progress Bars */
.progress-container {
    background-color: var(--gray-200);
    border-radius: 0.25rem;
    height: 0.75rem;
    margin-bottom: 1rem;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary);
}

.progress-bar.high {
    background-color: var(--success);
}

.progress-bar.medium {
    background-color: var(--warning);
}

.progress-bar.low {
    background-color: var(--secondary);
}

/* Footer Styles */
footer {
    background-color: var(--gray-900);
    color: white;
    padding: 2rem 0;
    margin-top: 3rem;
}

/* Chart Containers */
.chart-container {
    position: relative;
    height: 400px;
    margin-bottom: 2rem;
    width: 100%;
    overflow: hidden;
    max-height: 400px; /* Maximum height to prevent overflow */
}

.flex-item .chart-container {
    height: 300px;
    max-height: 300px;
}

canvas {
    max-height: 100%;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.badge-primary {
    background-color: var(--primary);
    color: white;
}

.badge-accent {
    background-color: var(--accent);
    color: white;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
    }
    
    .flex-item {
        flex: 1 1 100%;
    }
    
    header h1 {
        font-size: 1.75rem;
    }
    
    .chart-container {
        height: 300px;
    }
}