/* Main Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    margin: 0;
    padding: 0;
    background-color: #f8f9fa;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header Styles */
header {
    background-color: #1a3a6e;
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

header h1 {
    margin: 0;
    font-size: 2rem;
}

header h2 {
    margin: 0.5rem 0 1rem;
    font-weight: normal;
    font-size: 1.3rem;
}

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

nav li {
    margin-right: 1rem;
    margin-bottom: 0.5rem;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

nav a:hover, nav a.active {
    background-color: rgba(255, 255, 255, 0.2);
}

/* Main Content Styles */
main {
    padding: 2rem 0;
}

section {
    margin-bottom: 3rem;
    background-color: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

h2 {
    color: #1a3a6e;
    margin-top: 0;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 0.5rem;
}

h3 {
    color: #2c5aa0;
}

/* Executive Summary Styles */
.summary-box {
    background-color: #f8f9fa;
    border-left: 4px solid #1a3a6e;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 8px 8px 0;
}

.summary-box h3 {
    margin-top: 0;
}

.summary-box ul {
    margin-bottom: 0;
}

/* Patent Grid Styles */
.patent-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.patent-card {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.patent-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.patent-card h3 {
    margin-top: 0;
    color: #1a3a6e;
}

/* Infringement Grid Styles */
.infringement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.infringement-item {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.infringement-item h3 {
    margin-top: 0;
    color: #1a3a6e;
}

/* Opposition Analysis Styles */
.opposition-item {
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background-color: #f8f9fa;
    border-radius: 8px;
}

.opposition-item h3 {
    margin-top: 0;
}

/* Button Styles */
.btn {
    display: inline-block;
    background-color: #1a3a6e;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-decoration: none;
    transition: background-color 0.3s;
    margin-top: 1rem;
}

.btn:hover {
    background-color: #2c5aa0;
}

/* Claim Chart Styles */
.claim-chart {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.claim-chart th, .claim-chart td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: left;
}

.claim-chart th {
    background-color: #1a3a6e;
    color: white;
}

.claim-chart tr:nth-child(even) {
    background-color: #f8f9fa;
}

.claim-chart tr:hover {
    background-color: #f0f0f0;
}

/* Evidence Styles */
.evidence-section {
    margin-top: 2rem;
}

.evidence-item {
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background-color: #f8f9fa;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
}

.evidence-image {
    max-width: 100%;
    height: auto;
    margin: 1rem 0;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.evidence-caption {
    font-style: italic;
    color: #666;
    margin-top: 0.5rem;
}

/* Footer Styles */
footer {
    background-color: #1a3a6e;
    color: white;
    padding: 1.5rem 0;
    text-align: center;
}

footer p {
    margin: 0.5rem 0;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .patent-grid, .infringement-grid {
        grid-template-columns: 1fr;
    }
    
    nav ul {
        flex-direction: column;
    }
    
    nav li {
        margin-right: 0;
        margin-bottom: 0.5rem;
    }
    
    .container {
        width: 95%;
    }
    
    section {
        padding: 1.5rem;
    }
}

/* Print Styles */
@media print {
    body {
        font-size: 12pt;
    }
    
    header, footer, .btn {
        display: none;
    }
    
    main {
        padding: 0;
    }
    
    section {
        margin-bottom: 1rem;
        padding: 0;
        box-shadow: none;
        border: none;
    }
    
    .claim-chart th {
        background-color: #f0f0f0;
        color: black;
    }
}