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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #283a4c;
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: #283a4c;
    min-height: 100vh;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.3);
}

header {
    background: #283a4c;
    color: white;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}

.main-nav {
    display: flex;
    flex-wrap: wrap;
    background: #34495e;
    padding: 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.main-nav a {
    color: white;
    text-decoration: none;
    padding: 1rem 1.5rem;
    transition: background 0.3s;
    border-bottom: 3px solid transparent;
}

.main-nav a:hover {
    background: #3e5568;
}

.main-nav a.active {
    background: #3e5568;
}

main {
    padding: 2rem;
    min-height: calc(100vh - 300px);
}

.welcome {
    background: #34495e;
    color: white;
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.welcome h2 {
    margin-bottom: 1rem;
    font-size: 2rem;
}

.icon-frame {
    width: 128px;
    height: 128px;
    border-radius: 50%;
    border: 4px solid #3498db;
    background: #2c3e50;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-frame img {
    width: 192px;
    height: 192px;
    image-rendering: pixelated;
    display: block;
}


.search-box {
    margin-bottom: 2rem;
}

#searchInput {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    border: 2px solid #ddd;
    border-radius: 5px;
    transition: border-color 0.3s;
}

#searchInput:focus {
    outline: none;
    border-color: #3498db;
}

/* Concepts sidebar layout */
.pediapage-layout {
    display: flex;
    gap: 0;
    min-height: 600px;
    padding: 0;
}

.pediapage-sidebar {
    width: 300px;
    background: #283a4c;
    border-right: 2px solid #ddd;
    overflow-y: auto;
    max-height: calc(100vh - 200px);
    position: sticky;
    top: 0;
}

.sidebar-header {
    background: #34495e;
    color: white;
    padding: 0.35rem 1rem;
    font-weight: bold;
    cursor: pointer;
    user-select: none;
    border-bottom: 1px solid #eee;
    border-top: 1px solid #eee;
}

.sidebar-section {
    border-bottom: 1px solid #ddd;
}

.sidebar-section-header {
    background: #34495e;
    color: white;
    padding: 0.35rem 1rem;
    font-weight: bold;
    cursor: pointer;
    user-select: none;
    border-bottom: 1px solid #eee;
    transition: background 0.2s;
}

.sidebar-section-header:hover {
    background: #3e5568;
}

.sidebar-section-header .section-icon {
    display: inline-block;
    width: 1em;
    transition: transform 0.2s;
}

.sidebar-section.collapsed .sidebar-section-header {
    border-bottom: none;
}

.sidebar-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-list li {
    border-bottom: 1px solid #eee;
}

.sidebar-list li:last-child {
    border-bottom: none;
}

.sidebar-list a {
    display: block;
    padding: 0.2rem 0.75rem;
    color: white;
    text-decoration: none;
    transition: background 0.2s;
    font-size: 0.9rem;
}

.sidebar-list a:hover {
    background: #3e5568;
    color: white;
}

.sidebar-list a.active {
    background: #3e5568;
    color: white;
}

.pediapage-content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    max-height: calc(100vh - 200px);
}

.placeholder {
    color: white;
}

.placeholder h2 {
    color: white;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid #3498db;
}

.article-detail {
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.article-detail h2 {
    color: white;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid #3498db;
}

.summary {
    margin-bottom: 1.5rem;
}

.summary h3 {
    color: white;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.text-box {
    background: #283a4c;
    border-left: 4px solid #3498db;
    padding: 1.5rem;
    border-radius: 5px;
    line-height: 1.8;
    text-align: justify;
}

.text-section {
    background: white;
}

/* Links in text-box areas (resource details, etc.) */
.text-box a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s;
}

.text-box a:hover {
    color: #2980b9;
    text-decoration: underline;
}

.text-box a:visited {
    color: #3498db;
}

footer {
    background: #34495e;
    color: white;
    text-align: center;
    padding: 0.75rem;
    margin-top: 2rem;
}

/* Civ5 formatting colors */

.green {
    color: #4caf50;
}

.positive {
    color: #4caf50;
    font-weight: bold;
}


.negative {
    color: #f44336;
    font-weight: bold;
}

.warning {
    color: #ff9800;
    font-weight: bold;
}

.cyan {
    color: #00bcd4;
}

.yellow {
    color: #ffeb3b;
}

.magenta {
    color: #e91e63;
}

.white {
    color: #9e9e9e;
}

.player-dark-green {
    color: #2e7d32;
    font-weight: bold;
}

.yield-food {
    color: #8bc34a;
    font-weight: bold;
}

.yield-production {
    color: #ff9800;
    font-weight: bold;
}

.yield-gold {
    color: #ffc107;
    font-weight: bold;
}

.yield-science {
    color: #2196f3;
    font-weight: bold;
}

.yield-culture {
    color: #9c27b0;
    font-weight: bold;
}

.yield-faith {
    color: #cddc39;
    font-weight: bold;
}

@media (max-width: 768px) {
    .main-nav {
        flex-direction: column;
    }

    .items-grid {
        grid-template-columns: 1fr;
    }

    header h1 {
        font-size: 1.8rem;
    }
}

/* Search bar styles */
.search-container {
    position: relative;
    margin-top: 1rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

#globalSearch {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid #34495e;
    border-radius: 5px;
    background: white;
    color: #333;
    transition: border-color 0.3s;
}

#globalSearch:focus {
    outline: none;
    border-color: #5dade2;
}

#globalSearch::placeholder {
    color: #999;
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 2px solid #34495e;
    border-top: none;
    border-radius: 0 0 5px 5px;
    max-height: 400px;
    overflow-y: auto;
    display: none;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.search-result-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    border-bottom: 1px solid #eee;
    transition: background 0.2s;
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background: #f0f0f0;
}

.search-result-item.selected {
    background: #3498db;
    color: white;
}

.search-result-item.selected strong {
    color: white;
}

.search-result-item.no-results {
    color: #999;
    cursor: default;
}

.search-result-item.no-results:hover {
    background: white;
}

.search-result-item strong {
    color: #333;
    font-weight: 600;
}