/* Global Styles */
:root {
    --primary-color: #003366;
    --secondary-color: #0066cc;
    --accent-color: #ff9900;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --border-color: #dee2e6;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #f5f5f5;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header Styles */
header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

header h1 {
    font-size: 1.8rem;
    margin: 0;
    display: flex;
    align-items: center;
}

header h1 i {
    margin-right: 10px;
    color: var(--accent-color);
}

.search-container {
    display: flex;
    margin-top: 10px;
}

#searchInput {
    padding: 8px 12px;
    border: none;
    border-radius: 4px 0 0 4px;
    width: 250px;
    font-size: 1rem;
}

#searchButton {
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 0 4px 4px 0;
    padding: 8px 12px;
    cursor: pointer;
    transition: var(--transition);
}

#searchButton:hover {
    background-color: #e68a00;
}

/* Navigation Styles */
nav {
    background-color: #002244;
    padding: 0.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

nav ul {
    display: flex;
    list-style: none;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 5px;
}

nav ul li {
    margin-right: 5px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 8px 15px;
    display: block;
    border-radius: 4px;
    transition: var(--transition);
    font-weight: 500;
}

nav ul li a:hover, nav ul li a.active {
    background-color: var(--secondary-color);
}

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

section {
    margin-bottom: 2rem;
    background-color: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

section h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

#intro p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* Table Styles */
.table-container {
    overflow-x: auto;
    margin-top: 1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--light-color);
    color: var(--primary-color);
    font-weight: 600;
}

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

tr:hover {
    background-color: #f1f1f1;
}

/* Code Section Styles */
.code-section {
    transition: var(--transition);
}

/* Footer Styles */
footer {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

/* Responsive Styles */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .search-container {
        width: 100%;
        margin-top: 15px;
    }
    
    #searchInput {
        width: 100%;
    }
    
    nav ul {
        flex-wrap: nowrap;
        justify-content: flex-start;
    }
    
    nav ul li {
        flex: 0 0 auto;
    }
}

@media (max-width: 576px) {
    th, td {
        padding: 8px 10px;
        font-size: 0.9rem;
    }
    
    section {
        padding: 1rem;
    }
    
    header h1 {
        font-size: 1.5rem;
    }
}