/* Common Styles for all pages */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Navigation Bar Styles */
.main-navigation {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 15px 0;
    margin-bottom: 0;
    position: relative;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 0 20px;
}

.nav-left {
    display: flex;
    gap: 20px;
    align-items: center;
}

.main-nav-btn {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 15px 20px;
    color: #fff;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    position: relative;
    border-radius: 8px;
}

.main-nav-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
}

.main-nav-btn.active {
    background: transparent;
}

.main-nav-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: #fff;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* Language Selector Styles */
.language-selector {
    position: relative;
    display: inline-block;
}

.language-btn {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    color: #fff;
    cursor: pointer;
    padding: 12px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    backdrop-filter: blur(15px);
    white-space: nowrap;
}

.language-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    margin-top: 5px;
    min-width: 150px;
    display: none;
    z-index: 1001;
}

.language-dropdown.show {
    display: block;
}

.language-option {
    padding: 10px 15px;
    color: #333;
    cursor: pointer;
    transition: background-color 0.2s ease;
    border-radius: 6px;
    margin: 2px;
}

.language-option:hover {
    background: rgba(102, 126, 234, 0.1);
}

.language-option.active {
    background: rgba(102, 126, 234, 0.2);
    font-weight: bold;
}

/* Wiki dropdown styles */
.wiki-dropdown-container {
    position: relative;
    display: inline-block;
    z-index: 1020;
}

.wiki-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 5px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    display: none;
    min-width: 200px;
    z-index: 1030;
}

.wiki-dropdown.show {
    display: block;
}

.wiki-option {
    padding: 12px 16px;
    cursor: pointer;
    color: #333;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    text-decoration: none;
    display: block;
}

.wiki-option:last-child {
    border-bottom: none;
    border-radius: 0 0 10px 10px;
}

.wiki-option:first-child {
    border-radius: 10px 10px 0 0;
}

.wiki-option:hover {
    background: rgba(102, 126, 234, 0.1);
    color: #333;
    text-decoration: none;
}

/* Header Styles */
header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 1;
}

.header-logo {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px auto;
    display: block;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.header-logo:hover {
    transform: scale(1.05);
}

.footer-logo {
    width: 40px;
    height: 40px;
    margin: 0 auto 15px auto;
    display: block;
    border-radius: 10px;
    opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-left {
        justify-content: center;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .main-nav-btn {
        padding: 12px 16px;
        font-size: 0.9rem;
    }
    
    .language-selector {
        align-self: center;
    }
    
    .language-btn {
        padding: 10px 14px;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .language-btn {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
}