/* ===== CSS RESET ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ===== ROOT VARIABLES ===== */
:root {
    /* Colors */
    --primary-bg: #0a0a0a;
    --secondary-bg: #1a1a1a;
    --card-bg: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent-primary: #00d4ff;
    --accent-secondary: #ff6b6b;
    
    /* Element Categories with Enhanced Colors */
    --science: #ff4757;
    --science-glow: rgba(255, 71, 87, 0.4);
    --science-light: rgba(255, 71, 87, 0.15);
    --humanities: #3742fa;
    --humanities-glow: rgba(58, 66, 250, 0.4);
    --humanities-light: rgba(58, 66, 250, 0.15);
    --sports: #2ed573;
    --sports-glow: rgba(46, 213, 115, 0.4);
    --sports-light: rgba(46, 213, 115, 0.15);
    --technology: #00d4ff;
    --technology-glow: rgba(0, 212, 255, 0.4);
    --technology-light: rgba(0, 212, 255, 0.15);
    --values: #ffa502;
    --values-glow: rgba(255, 165, 2, 0.4);
    --values-light: rgba(255, 165, 2, 0.15);
    --events: #a55eea;
    --events-glow: rgba(165, 94, 234, 0.4);
    --events-light: rgba(165, 94, 234, 0.15);
    --admin: #747d8c;
    --admin-glow: rgba(116, 125, 140, 0.4);
    --admin-light: rgba(116, 125, 140, 0.15);
    
    /* Glassmorphism Variables */
    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-highlight: rgba(255, 255, 255, 0.15);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --glass-shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.15);
    --blur-amount: 20px;
    --blur-strong: 25px;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 4rem 2rem;
    
    /* Typography */
    --font-primary: 'Orbitron', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    /* Shadows */
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Dark Theme (default and only theme) */
:root, [data-theme="dark"] {
    --primary-bg: #0a0a0a;
    --secondary-bg: #1a1a1a;
    --card-bg: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent-primary: #00d4ff;
    --accent-secondary: #ff6b6b;
}

/* ===== BASE STYLES WITH ENHANCED GLASSMORPHISM ===== */
body {
    font-family: var(--font-secondary);
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 25%, #0f0f0f 50%, #1a1a1a 75%, #0a0a0a 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: all 0.3s ease;
    position: relative;
}

/* Enhanced Background with Expanding/Shrinking Circles - Like Periodic Table Glass */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, var(--technology-light) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, var(--science-light) 0%, transparent 40%),
        radial-gradient(circle at 40% 40%, var(--sports-light) 0%, transparent 40%),
        radial-gradient(circle at 60% 80%, var(--values-light) 0%, transparent 40%),
        radial-gradient(circle at 90% 60%, var(--events-light) 0%, transparent 40%),
        radial-gradient(circle at 10% 30%, var(--humanities-light) 0%, transparent 40%);
    pointer-events: none;
    z-index: -1;
    animation: expandShrinkCircles 8s ease-in-out infinite;
}

@keyframes expandShrinkCircles {
    0%, 100% { 
        transform: scale(1);
        opacity: 0.12;
    }
    50% { 
        transform: scale(1.3);
        opacity: 0.18;
    }
}

/* Additional Expanding Circle Layers */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 70% 30%, var(--technology-light) 0%, transparent 35%),
        radial-gradient(circle at 30% 70%, var(--science-light) 0%, transparent 35%),
        radial-gradient(circle at 85% 85%, var(--values-light) 0%, transparent 35%),
        radial-gradient(circle at 15% 15%, var(--events-light) 0%, transparent 35%);
    pointer-events: none;
    z-index: -1;
    animation: expandShrinkCircles2 10s ease-in-out infinite;
}

@keyframes expandShrinkCircles2 {
    0%, 100% { 
        transform: scale(1.1);
        opacity: 0.08;
    }
    50% { 
        transform: scale(1.4);
        opacity: 0.15;
    }
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Smooth scrolling behavior */
html {
    scroll-behavior: smooth;
}

/* Anchor target offset to account for fixed header */
[id] {
    scroll-margin-top: 80px;
}

/* ===== ENHANCED GLASSMORPHISM HEADER ===== */
.header, .navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.75);
    -webkit-backdrop-filter: blur(var(--blur-strong));
    backdrop-filter: blur(var(--blur-strong));
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 
        var(--glass-shadow),
        inset 0 1px 0 var(--glass-highlight);
    transition: all 0.3s ease;
    padding: 0.5rem 0;
    position: relative;
    overflow: hidden;
}

/* Enhanced Navbar with Expanding Circles */
.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 25% 50%, var(--technology-light) 0%, transparent 70%),
        radial-gradient(circle at 75% 50%, var(--science-light) 0%, transparent 70%);
    opacity: 0.12;
    z-index: -1;
    animation: navbarExpandCircles 12s ease-in-out infinite;
}

@keyframes navbarExpandCircles {
    0%, 100% { 
        transform: scale(0.8);
        opacity: 0.08;
    }
    50% { 
        transform: scale(1.2);
        opacity: 0.15;
    }
}

/* Enhanced navbar scroll effect */
.navbar.scrolled {
    padding: 0.25rem 0;
    background: rgba(10, 10, 10, 0.85);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 var(--glass-highlight);
    border-bottom: 1px solid var(--technology-glow);
}

.header-content, .nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo h1, .logo h2, .nav-logo h1, .nav-logo h2 {
    font-family: var(--font-primary);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin: 0;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
    background: linear-gradient(135deg, var(--accent-primary), #00b8e6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
}

.nav-logo:hover h2 {
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
    transform: scale(1.05);
}

.nav, .nav-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    margin: 0;
    position: relative;
}

.nav-menu a, .nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;    font-size: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    position: relative;
}

.nav-menu a:hover, .nav-menu a.active,
.nav-link:hover, .nav-link.active {
    color: var(--accent-primary);
}

.nav-menu a.active {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(0, 184, 230, 0.15));
    border: 1px solid rgba(0, 212, 255, 0.3);
}

/* Enhanced Navigation Controls with Glassmorphism */
.nav-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(var(--blur-amount));
    backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 0.5rem;
    box-shadow: 
        var(--glass-shadow),
        inset 0 1px 0 var(--glass-highlight);
    position: relative;
    overflow: hidden;
}

.nav-controls::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, 
        var(--technology-light), 
        transparent 30%, 
        var(--science-light) 70%, 
        transparent);
    opacity: 0.3;
    z-index: -1;
}

.nav-controls:hover::before {
    opacity: 0.5;
    animation: controlsGlow 3s ease-in-out;
}

@keyframes controlsGlow {
    0%, 100% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
}

/* Enhanced Language Selector */
.language-selector {
    display: flex;
    gap: 0.25rem;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 12px;
    padding: 0.25rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.lang-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.lang-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--technology-glow), var(--science-glow));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.lang-btn:hover::before,
.lang-btn.active::before {
    opacity: 0.2;
}

.lang-btn:hover,
.lang-btn.active {
    color: var(--accent-primary);
    border-color: var(--technology-glow);
    background: rgba(0, 212, 255, 0.1);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.2);
    text-shadow: 0 0 8px var(--technology-glow);
}

/* Enhanced Theme Toggle */
.theme-toggle {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--accent-primary);
    padding: 0.75rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--technology-glow) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.theme-toggle:hover::before {
    opacity: 0.3;
}

.theme-toggle:hover {
    border-color: var(--technology-glow);
    background: rgba(0, 212, 255, 0.1);
    -webkit-backdrop-filter: blur(15px);
    backdrop-filter: blur(15px);
    box-shadow: 
        0 6px 24px rgba(0, 212, 255, 0.2),
        inset 0 1px 0 var(--glass-highlight);
    transform: scale(1.05);
    text-shadow: 0 0 12px var(--technology-glow);
}

/* Mobile menu styles */
.mobile-menu {
    display: none;
    background: transparent;
    border: none;
    color: var(--accent-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: all 0.3s ease;
    z-index: 1001;
}

.mobile-menu:hover {
    color: var(--accent-secondary);
    transform: scale(1.1);
}

.mobile-menu.active {
    color: var(--accent-secondary);
    transform: rotate(90deg);
}

/* Hide mobile menu by default */
@media (min-width: 769px) {
    .mobile-menu {
        display: none !important;
    }
}

/* Mobile responsive styles */
@media (max-width: 768px) {
    .mobile-menu {
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        z-index: 1001;
    }
    
    .nav-container {
        padding: 0.75rem 1.5rem;
        height: 60px;
        position: relative;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .nav-logo h2 {
        font-size: 1.3rem;
    }
    
    .nav-controls {
        display: none;
    }
    
    .nav-menu {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        background: rgba(10, 10, 10, 0.98);
        -webkit-backdrop-filter: blur(20px);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem 0;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        border-top: 1px solid rgba(0, 212, 255, 0.2);
        animation: slideDown 0.3s ease;
        z-index: 1000;
        max-height: calc(100vh - 60px);
        overflow-y: auto;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }    }
      
    .nav-menu.active {
        display: flex !important;
    }
    
    .nav-menu.active .nav-controls {
        display: flex;
        flex-direction: row;
        gap: 1rem;
        padding: 1rem 2rem;
        border-top: 1px solid rgba(0, 212, 255, 0.1);
        margin-top: 1rem;
        justify-content: center;
        align-items: center;
    }
    
    .nav-menu.active .language-selector {
        display: flex;
        gap: 0.5rem;
    }
    
    .nav-menu.active .lang-btn {
        padding: 0.5rem 1rem;
        background: rgba(0, 212, 255, 0.1);
        border: 1px solid rgba(0, 212, 255, 0.3);
        border-radius: 8px;
        color: #00d4ff;
        font-size: 0.9rem;
        transition: all 0.3s ease;
    }
    
    .nav-menu.active .lang-btn:hover,
    .nav-menu.active .lang-btn.active {
        background: rgba(0, 212, 255, 0.2);
        border-color: #00d4ff;
    }
    
    .nav-menu li {
        margin: 0;
        padding: 0 2rem;
    }
    
    .nav-menu a {
        display: block;
        padding: 1rem 0;
        margin: 0.5rem 0;
        text-align: center;
        border-radius: 12px;
        font-size: 1.1rem;
        transition: all 0.3s ease;
    }
    
    .nav-menu a:hover {
        background: rgba(0, 212, 255, 0.1);
        color: #00d4ff;
    }
    
    .language-selector {
        justify-content: center;
    }
    
    /* Language selector mobile optimization */
    .lang-btn {
        font-size: 0.8rem;
        padding: 0.5rem 0.75rem;
        margin: 0 0.25rem;
    }
    
    .theme-toggle {
        padding: 0.75rem;
        min-height: 44px;
        min-width: 44px;
    }
}

/* Back to Top Button */
#backToTopBtn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  width: 50px;
  height: 50px;
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: none;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

#backToTopBtn:hover {
  background: #00b8e6;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
}

#backToTopBtn.show {
  display: flex;
  animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== MAIN CONTENT ===== */
.main, .main-content {
    margin-top: 80px;
    padding: 0 2rem;
}

/* ===== ENHANCED GLASSMORPHISM HERO SECTION ===== */
.hero {
    padding: var(--section-padding);
    text-align: center;
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(var(--blur-strong));
    backdrop-filter: blur(var(--blur-strong));
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: 
        var(--glass-shadow-hover),
        inset 0 1px 0 var(--glass-highlight);
    position: relative;
    overflow: hidden;
    margin: 2rem auto;
    max-width: 1200px;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 25% 25%, var(--technology-light) 0%, transparent 40%),
        radial-gradient(circle at 75% 75%, var(--science-light) 0%, transparent 40%),
        radial-gradient(circle at 50% 25%, var(--values-light) 0%, transparent 40%),
        radial-gradient(circle at 25% 75%, var(--events-light) 0%, transparent 40%);
    animation: heroExpandCircles 15s ease-in-out infinite;
    z-index: -1;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 60% 40%, var(--humanities-light) 0%, transparent 45%),
        radial-gradient(circle at 40% 60%, var(--sports-light) 0%, transparent 45%);
    opacity: 0.15;
    z-index: -1;
    animation: heroExpandCircles2 18s ease-in-out infinite;
}

@keyframes heroExpandCircles {
    0%, 100% { 
        transform: scale(0.9);
        opacity: 0.12;
    }
    50% { 
        transform: scale(1.4);
        opacity: 0.20;
    }
}

@keyframes heroExpandCircles2 {
    0%, 100% { 
        transform: scale(1.1);
        opacity: 0.08;
    }
    50% { 
        transform: scale(1.3);
        opacity: 0.15;
    }
}

.hero-title {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 900;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary), var(--technology));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px var(--technology-glow);
    position: relative;
    z-index: 2;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Enhanced Search Container with Glassmorphism */
.search-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin: 2rem auto;
    max-width: 700px;
    position: relative;
    z-index: 2;
}

.search-controls {
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(var(--blur-amount));
    backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 
        var(--glass-shadow),
        inset 0 1px 0 var(--glass-highlight);
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.search-controls::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        var(--technology-light), 
        transparent);
    transition: left 0.8s ease;
}

.search-controls:hover::before {
    left: 100%;
}

.search-bar {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    font-size: 1rem;
    width: 100%;
    transition: all 0.3s ease;
    -webkit-backdrop-filter: blur(15px);
    backdrop-filter: blur(15px);
    position: relative;
    overflow: hidden;
}

.search-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, 
        var(--technology-light), 
        transparent 50%, 
        var(--science-light));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.search-bar:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 
        0 0 0 3px rgba(0, 212, 255, 0.1),
        0 8px 32px var(--technology-glow);
    background: rgba(255, 255, 255, 0.12);
    text-shadow: 0 0 8px var(--technology-glow);
}

.search-bar:focus::before {
    opacity: 0.3;
}

.search-bar::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.search-container input[type="text"] {
    flex: 1;
    padding: 1rem 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    background: transparent;
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
    -webkit-backdrop-filter: blur(15px);
    backdrop-filter: blur(15px);
    position: relative;
}

.search-container input[type="text"]:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.2);
    background: rgba(255, 255, 255, 0.02);
}

.search-container button {
    padding: 1rem;
    background: var(--accent-primary);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-container button:hover {
    background: var(--accent-secondary);
    transform: scale(1.05);
}

/* Class Selector Container */
.class-selector-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin: 1.5rem auto;
    max-width: 300px;
}

.class-selector-container label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.class-selector-container select {
    padding: 0.75rem 1rem;
    border: 2px solid var(--card-bg);
    border-radius: 10px;
    background: var(--card-bg);
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.class-selector-container select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.class-selector-container select:hover {
    border-color: var(--accent-secondary);
}

/* Enhanced Legend with Glassmorphism */
.legend {
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(var(--blur-amount));
    backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 
        var(--glass-shadow),
        inset 0 1px 0 var(--glass-highlight);
    max-width: 800px;
    margin: 0 auto 3rem;
    position: relative;
    overflow: hidden;
}

.legend::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        var(--science-light) 0%, 
        transparent 25%, 
        var(--humanities-light) 50%, 
        transparent 75%, 
            var(--sports-light) 100%);
    opacity: 0.12;
    z-index: -1;
    animation: legendExpandCircles 22s ease-in-out infinite;
}

@keyframes legendExpandCircles {
    0%, 100% { 
        transform: scale(0.9);
        opacity: 0.10;
    }
    50% { 
        transform: scale(1.2);
        opacity: 0.15;
    }
}

.legend h3 {
    font-family: var(--font-primary);
    margin-bottom: 2rem;
    color: var(--accent-primary);
    text-shadow: 0 0 15px var(--technology-glow);
    position: relative;
    z-index: 2;
}

.legend-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    position: relative;
    z-index: 2;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.legend-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--glass-bg);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.legend-item:hover::before {
    opacity: 1;
}

.legend-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.legend-color {
    width: 24px;
    height: 24px;
    border-radius: 8px;
    position: relative;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.legend-color::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: 10px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.legend-color.science { 
    background: var(--science); 
    box-shadow: 0 0 15px var(--science-glow);
}
.legend-color.science::before { background: var(--science-glow); }

.legend-color.humanities { 
    background: var(--humanities); 
    box-shadow: 0 0 15px var(--humanities-glow);
}
.legend-color.humanities::before { background: var(--humanities-glow); }

.legend-color.sports { 
    background: var(--sports); 
    box-shadow: 0 0 15px var(--sports-glow);
}
.legend-color.sports::before { background: var(--sports-glow); }

.legend-color.technology { 
    background: var(--technology); 
    box-shadow: 0 0 15px var(--technology-glow);
}
.legend-color.technology::before { background: var(--technology-glow); }

.legend-color.values { 
    background: var(--values); 
    box-shadow: 0 0 15px var(--values-glow);
}
.legend-color.values::before { background: var(--values-glow); }

.legend-color.events { 
    background: var(--events); 
    box-shadow: 0 0 15px var(--events-glow);
}
.legend-color.events::before { background: var(--events-glow); }

.legend-color.admin { 
    background: var(--admin); 
    box-shadow: 0 0 15px var(--admin-glow);
}
.legend-color.admin::before { background: var(--admin-glow); }

.legend-item:hover .legend-color::before {
    opacity: 0.5;
}

/* ===== ENHANCED GLASSMORPHISM PERIODIC TABLE ===== */
.periodic-table-section {
    padding: var(--section-padding);
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(var(--blur-amount));
    backdrop-filter: blur(var(--blur-amount));
    border-radius: 24px;
    margin: 2rem auto;
    max-width: 1500px;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow-hover);
}

.periodic-table-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;    background: 
        radial-gradient(circle at 15% 25%, var(--science-light) 0%, transparent 40%),
        radial-gradient(circle at 85% 75%, var(--humanities-light) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, var(--technology-light) 0%, transparent 35%),
        radial-gradient(circle at 25% 75%, var(--values-light) 0%, transparent 35%),
        radial-gradient(circle at 75% 25%, var(--events-light) 0%, transparent 35%);
    opacity: 0.12;
    z-index: -1;
    animation: sectionExpandCircles 20s ease-in-out infinite;
}

@keyframes sectionExpandCircles {
    0%, 100% { 
        transform: scale(1);
        opacity: 0.12;
    }
    50% { 
        transform: scale(1.25);
        opacity: 0.18;
    }
}

.filter-controls {
    max-width: 1400px;
    margin: 0 auto 3rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem 2rem;
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(15px);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
    position: relative;
    overflow: hidden;
}

.filter-controls::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--technology-light), transparent);
    transition: left 1.2s ease;
}

.filter-controls:hover::before {
    left: 100%;
}

.filter-label {
    font-weight: 600;
    color: var(--text-primary);
    text-shadow: 0 0 8px var(--technology-glow);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-right: 2rem;
}

.filter-btn {
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--technology-glow), var(--science-glow));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.filter-btn:hover::before,
.filter-btn.active::before {
    opacity: 0.2;
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: var(--technology-glow);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.2);
    transform: translateY(-2px);
    text-shadow: 0 0 8px var(--technology-glow);
}

.filter-btn.active {
    background: var(--accent-primary);
    color: var(--primary-bg);
    border-color: var(--accent-primary);
    box-shadow: 0 8px 24px var(--technology-glow);
    text-shadow: none;
}

.sort-controls {
    margin-left: auto;
}

#sortElements {
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

#sortElements:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

#sortElements:hover {
    border-color: var(--technology-glow);
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.2);
}

/* Enhanced Periodic Table Grid with Glassmorphism */
.periodic-table {
    display: grid;
    grid-template-columns: repeat(18, minmax(60px, 1fr));
    grid-template-rows: repeat(7, minmax(60px, auto));
    gap: 6px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    min-height: 400px;
    position: relative;
    justify-content: center;
    align-content: start;
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(15px);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: 
        var(--glass-shadow),
        inset 0 1px 0 var(--glass-highlight);
    overflow: hidden;
}

.periodic-table::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 25% 25%, var(--science-light) 0%, transparent 35%),
        radial-gradient(circle at 75% 25%, var(--humanities-light) 0%, transparent 35%),        radial-gradient(circle at 25% 75%, var(--sports-light) 0%, transparent 35%),
        radial-gradient(circle at 75% 75%, var(--values-light) 0%, transparent 35%);
    opacity: 0.12;
    z-index: -1;
    animation: tableExpandCircles 25s ease-in-out infinite;
}

@keyframes tableExpandCircles {
    0%, 100% { 
        transform: scale(1);
        opacity: 0.12;
    }
    50% { 
        transform: scale(1.3);
        opacity: 0.18;
    }
}

/* Responsive grid adjustments */
@media (max-width: 1200px) {
    .periodic-table {
        grid-template-columns: repeat(18, minmax(55px, 1fr));
        gap: 3px;
    }
    .element {
        width: 55px;
        height: 55px;
        padding: 3px 2px;
    }
    .atomic-number,
    .element-number {
        font-size: 0.65rem;
    }
}

@media (max-width: 992px) {
    .periodic-table {
        grid-template-columns: repeat(18, minmax(50px, 1fr));
        gap: 3px;
    }
    .element {
        width: 50px;
        height: 50px;
        padding: 3px 2px;
    }
    .element .symbol {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    .periodic-table {
        grid-template-columns: repeat(12, minmax(45px, 1fr));
        gap: 3px;
        padding: 1rem;
    }
    .element {
        width: 45px;
        height: 45px;
        padding: 2px 1px;
    }
    .element .symbol,
    .element-symbol {
        font-size: 1rem;
        margin: 6px 0 3px;
    }
    .element .name,
    .element-name {
        font-size: 0.6rem;
    }
    /* Improve atomic number position on mobile */
    .atomic-number,
    .element-number {
        font-size: 0.6rem;
        top: 2px;
        left: 3px;
    }
}

@media (max-width: 480px) {
    .periodic-table {
        grid-template-columns: repeat(8, minmax(40px, 1fr));
        gap: 2px;
    }
    .element {
        width: 40px;
        height: 40px;
        padding: 2px 1px;
    }
    .element .symbol,
    .element-symbol {
        font-size: 0.9rem;
        margin: 4px 0 2px;
    }
    .element .name,
    .element-name {
        font-size: 0.5rem;
    }
}

/* Extra small screens (320px and below) */
@media (max-width: 320px) {
    .periodic-table {
        grid-template-columns: repeat(6, minmax(35px, 1fr));
        gap: 1px;
        padding: 0.5rem;
    }
    
    .element {
        width: 35px;
        height: 35px;
        padding: 1px;
    }
    
    .element .symbol,
    .element-symbol {
        font-size: 0.8rem;
        margin: 2px 0 1px;
    }
    
    .element .name,
    .element-name {
        font-size: 0.4rem;
        line-height: 1;
    }
    
    .element .number,
    .element-number {
        font-size: 0.5rem;
    }
    
    /* Simplify controls for very small screens */
    .controls {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .search-container {
        width: 100%;
    }
    
    .filter-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .filter-btn {
        font-size: 0.7rem;
        padding: 0.5rem;
        margin: 0.1rem;
    }
}

/* Additional mobile viewport fixes */
@media (max-width: 768px) {
    /* Prevent zoom on input focus (iOS) */
    input, select, textarea {
        font-size: 16px !important;
    }
    
    /* Better touch targets */
    .mobile-menu, .lang-btn, .theme-toggle {
        min-height: 44px;
        min-width: 44px;
        touch-action: manipulation;
    }
    
    /* Prevent horizontal scroll */
    body {
        overflow-x: hidden;
        width: 100%;
        position: relative;
    }
    
    /* Better modal sizing on mobile */
    .modal-content {
        margin: 10px auto;
        width: calc(100% - 20px);
        max-height: calc(100vh - 40px);
        overflow-y: auto;
    }
    
    /* Improve search bar on mobile */
    .search-container {
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .search-container input {
        width: 100%;
        padding: 0.75rem;
        font-size: 16px;
        box-sizing: border-box;
    }
}

/* ===== MAIN CONTENT ===== */
.main, .main-content {
    margin-top: 80px;
    padding: 0 2rem;
}

/* ===== SPECIFIC PAGE STYLES ===== */
.home {
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - 80px);
}

.intro {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.intro h1 {
    font-family: var(--font-primary);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    margin-bottom: 1rem;
    color: var(--accent-primary);
    position: relative;
    z-index: 1;
}

.intro h1::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    width: 300%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent);
    transform: translate(-50%, -50%) rotate(30deg);
    z-index: 0;
}

.intro p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.intro .btn {
    background: var(--accent-primary);
    color: var(--primary-bg);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.intro .btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
    transition: transform 0.3s ease;
    z-index: -1;
}

.intro .btn:hover::after {
    transform: scale(1.1);
}

.intro .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
}

/* ===== ABOUT SECTION BUTTON STYLES ===== */
.about-cta {
  margin-top: 2rem;
}

.about-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--blur-amount));
  backdrop-filter: blur(var(--blur-amount));
  border: 2px solid var(--technology-glow);
  border-radius: 16px;
  color: var(--text-primary);
  text-decoration: none;
  font-family: var(--font-primary);
  font-size: 1.1rem;
  font-weight: 600;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 
    var(--glass-shadow),
    0 0 20px var(--technology-glow),
    inset 0 1px 0 var(--glass-highlight);
}

.about-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent, 
    var(--technology-light), 
    transparent);
  transition: left 0.6s ease;
  z-index: -1;
}

.about-btn:hover::before {
  left: 100%;
}

.about-btn:hover {
  transform: translateY(-3px) scale(1.02);
  border-color: var(--accent-primary);
  box-shadow: 
    var(--glass-shadow-hover),
    0 0 30px var(--technology-glow),
    0 0 50px rgba(0, 212, 255, 0.2),
    inset 0 1px 0 var(--glass-highlight);
  background: linear-gradient(135deg, 
    var(--glass-bg), 
    var(--technology-light));
}

.about-btn .btn-icon {
  font-size: 1.3rem;
  transition: transform 0.3s ease;
}

.about-btn:hover .btn-icon {
  transform: rotate(10deg) scale(1.1);
}

.about-btn .btn-arrow {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
  opacity: 0.8;
}

.about-btn:hover .btn-arrow {
  transform: translateX(5px);
  opacity: 1;
}

/* Mobile responsive styles for About button */
@media (max-width: 768px) {
  .about-btn {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    gap: 0.5rem;
  }
  
  .about-btn .btn-icon {
    font-size: 1.1rem;
  }
  
  .about-btn .btn-arrow {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .about-cta {
    text-align: center;
    margin-top: 1.5rem;
  }
  
  .about-btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
    width: 100%;
    justify-content: center;
  }
}

/* ===== COMPREHENSIVE GLASSMORPHISM ELEMENT ENHANCEMENT ===== */
/* This section overrides previous element styles with complete glassmorphism */

.element {
  background: var(--glass-bg) !important;
  -webkit-backdrop-filter: blur(var(--blur-amount)) !important;
  backdrop-filter: blur(var(--blur-amount)) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: 12px !important;
  box-shadow: 
    var(--glass-shadow),
    inset 0 1px 0 var(--glass-highlight) !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  position: relative !important;
  overflow: hidden !important;
  cursor: pointer !important;
  
  /* Default element dimensions and layout */
  width: 60px !important;
  height: 60px !important;
  padding: 4px 3px !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: space-between !important;
  align-items: center !important;
  text-align: center !important;
}

/* Inner illumination layer for each element */
.element::before {
  content: '' !important;
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.05) 0%, transparent 70%) !important;
  opacity: 0 !important;
  transition: opacity 0.3s ease !important;
  z-index: 1 !important;
  pointer-events: none !important;
}

/* Animated light sweep effect */
.element::after {
  content: '' !important;
  position: absolute !important;
  top: 0 !important;
  left: -100% !important;
  width: 100% !important;
  height: 100% !important;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent) !important;
  transition: left 0.8s ease !important;
  z-index: 2 !important;
  pointer-events: none !important;
}

.element:hover::before {
  opacity: 1 !important;
}

.element:hover::after {
  left: 100% !important;
}

/* Base hover effects */
.element:hover {
  transform: translateY(-4px) scale(1.05) !important;
  box-shadow: 
    var(--glass-shadow-hover),
    0 0 25px rgba(0, 212, 255, 0.15),
    inset 0 1px 0 var(--glass-highlight) !important;
  border-color: rgba(0, 212, 255, 0.3) !important;
  background: rgba(255, 255, 255, 0.08) !important;
}

/* Category-specific glassmorphism with illuminated effects */
.element.science {
  border-color: rgba(255, 71, 87, 0.2) !important;
  background: linear-gradient(135deg, var(--glass-bg), var(--science-light)) !important;
}

.element.science::before {
  background: radial-gradient(circle at center, var(--science-glow) 0%, transparent 70%) !important;
}

.element.science:hover {
  box-shadow: 
    var(--glass-shadow-hover),
    0 0 30px var(--science-glow),
    0 0 60px rgba(255, 71, 87, 0.1),
    inset 0 1px 0 var(--glass-highlight) !important;
  border-color: var(--science-glow) !important;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), var(--science-light)) !important;
}

.element.humanities {
  border-color: rgba(58, 66, 250, 0.2) !important;
  background: linear-gradient(135deg, var(--glass-bg), var(--humanities-light)) !important;
}

.element.humanities::before {
  background: radial-gradient(circle at center, var(--humanities-glow) 0%, transparent 70%) !important;
}

.element.humanities:hover {
  box-shadow: 
    var(--glass-shadow-hover),
    0 0 30px var(--humanities-glow),
    0 0 60px rgba(58, 66, 250, 0.1),
    inset 0 1px 0 var(--glass-highlight) !important;
  border-color: var(--humanities-glow) !important;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), var(--humanities-light)) !important;
}

.element.sports {
  border-color: rgba(46, 213, 115, 0.2) !important;
  background: linear-gradient(135deg, var(--glass-bg), var(--sports-light)) !important;
}

.element.sports::before {
  background: radial-gradient(circle at center, var(--sports-glow) 0%, transparent 70%) !important;
}

.element.sports:hover {
  box-shadow: 
    var(--glass-shadow-hover),
    0 0 30px var(--sports-glow),
    0 0 60px rgba(46, 213, 115, 0.1),
    inset 0 1px 0 var(--glass-highlight) !important;
  border-color: var(--sports-glow) !important;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), var(--sports-light)) !important;
}

.element.technology {
  border-color: rgba(0, 212, 255, 0.2) !important;
  background: linear-gradient(135deg, var(--glass-bg), var(--technology-light)) !important;
}

.element.technology::before {
  background: radial-gradient(circle at center, var(--technology-glow) 0%, transparent 70%) !important;
}

.element.technology:hover {
  box-shadow: 
    var(--glass-shadow-hover),
    0 0 30px var(--technology-glow),
    0 0 60px rgba(0, 212, 255, 0.1),
    inset 0 1px 0 var(--glass-highlight) !important;
  border-color: var(--technology-glow) !important;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), var(--technology-light)) !important;
}

.element.values {
  border-color: rgba(255, 165, 2, 0.2) !important;
  background: linear-gradient(135deg, var(--glass-bg), var(--values-light)) !important;
}

.element.values::before {
  background: radial-gradient(circle at center, var(--values-glow) 0%, transparent 70%) !important;
}

.element.values:hover {
  box-shadow: 
    var(--glass-shadow-hover),
    0 0 30px var(--values-glow),
    0 0 60px rgba(255, 165, 2, 0.1),
    inset 0 1px 0 var(--glass-highlight) !important;
  border-color: var(--values-glow) !important;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), var(--values-light)) !important;
}

.element.events {
  border-color: rgba(165, 94, 234, 0.2) !important;
  background: linear-gradient(135deg, var(--glass-bg), var(--events-light)) !important;
}

.element.events::before {
  background: radial-gradient(circle at center, var(--events-glow) 0%, transparent 70%) !important;
}

.element.events:hover {
  box-shadow: 
    var(--glass-shadow-hover),
    0 0 30px var(--events-glow),
    0 0 60px rgba(165, 94, 234, 0.1),
    inset 0 1px 0 var(--glass-highlight) !important;
  border-color: var(--events-glow) !important;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), var(--events-light)) !important;
}

.element.admin {
  border-color: rgba(116, 125, 140, 0.2) !important;
  background: linear-gradient(135deg, var(--glass-bg), var(--admin-light)) !important;
}

.element.admin::before {
  background: radial-gradient(circle at center, var(--admin-glow) 0%, transparent 70%) !important;
}

.element.admin:hover {
  box-shadow: 
    var(--glass-shadow-hover),
    0 0 30px var(--admin-glow),
    0 0 60px rgba(116, 125, 140, 0.1),
    inset 0 1px 0 var(--glass-highlight) !important;
  border-color: var(--admin-glow) !important;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), var(--admin-light)) !important;
}

/* Enhanced element content with illuminated text effects */
.element .atomic-number,
.element-number {
  position: absolute !important;
  top: 4px !important;
  left: 6px !important;
  font-size: 0.7rem !important;
  color: var(--text-secondary) !important;
  font-weight: bold !important;
  line-height: 1 !important;
  z-index: 3 !important;
  text-shadow: 0 0 4px rgba(0, 0, 0, 0.3) !important;
}

.element .symbol,
.element-symbol {
  font-family: var(--font-primary) !important;
  font-size: 1.4rem !important;
  font-weight: 700 !important;
  margin: 12px 0 6px !important;
  color: var(--text-primary) !important;
  letter-spacing: -0.5px !important;
  max-width: 90% !important;
  text-align: center !important;
  z-index: 3 !important;
  position: relative !important;
  text-shadow: 
    0 2px 4px rgba(0, 0, 0, 0.3),
    0 0 8px rgba(255, 255, 255, 0.1) !important;
}

.element .name,
.element-name {
  font-size: 0.7rem !important;
  color: var(--text-primary) !important;
  max-width: 95% !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  margin-top: auto !important;
  padding: 0 3px !important;
  line-height: 1.2 !important;
  text-align: center !important;
  display: block !important;
  width: 100% !important;
  box-sizing: border-box !important;
  z-index: 3 !important;
  position: relative !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3) !important;
}

/* Category-specific symbol illumination */
.element.science .symbol {
  color: var(--science) !important;
  text-shadow: 
    0 2px 4px rgba(0, 0, 0, 0.3),
    0 0 12px var(--science-glow) !important;
}

.element.humanities .symbol {
  color: var(--humanities) !important;
  text-shadow: 
    0 2px 4px rgba(0, 0, 0, 0.3),
    0 0 12px var(--humanities-glow) !important;
}

.element.sports .symbol {
  color: var(--sports) !important;
  text-shadow: 
    0 2px 4px rgba(0, 0, 0, 0.3),
    0 0 12px var(--sports-glow) !important;
}

.element.technology .symbol {
  color: var(--technology) !important;
  text-shadow: 
    0 2px 4px rgba(0, 0, 0, 0.3),
    0 0 12px var(--technology-glow) !important;
}

.element.values .symbol {
  color: var(--values) !important;
  text-shadow: 
    0 2px 4px rgba(0, 0, 0, 0.3),
    0 0 12px var(--values-glow) !important;
}

.element.events .symbol {
  color: var(--events) !important;
  text-shadow: 
    0 2px 4px rgba(0, 0, 0, 0.3),
    0 0 12px var(--events-glow) !important;
}

.element.admin .symbol {
  color: var(--admin) !important;
  text-shadow: 
    0 2px 4px rgba(0, 0, 0, 0.3),
    0 0 12px var(--admin-glow) !important;
}

/* Enhanced hover state text illumination */
.element:hover .symbol {
  text-shadow: 
    0 2px 4px rgba(0, 0, 0, 0.3),
    0 0 16px currentColor,
    0 0 32px rgba(255, 255, 255, 0.2) !important;
}

.element:hover .atomic-number,
.element:hover .name {
  color: var(--text-primary) !important;
  text-shadow: 
    0 0 6px rgba(255, 255, 255, 0.3),
    0 1px 2px rgba(0, 0, 0, 0.3) !important;
}

/* Additional glassmorphism enhancements for other UI components */
.card {
  background: var(--glass-bg) !important;
  -webkit-backdrop-filter: blur(var(--blur-amount)) !important;
  backdrop-filter: blur(var(--blur-amount)) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: 16px !important;
  box-shadow: 
    var(--glass-shadow),
    inset 0 1px 0 var(--glass-highlight) !important;
  transition: all 0.3s ease !important;
  position: relative !important;
  overflow: hidden !important;
}

.card::before {
  content: '' !important;
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: 1px !important;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.3), transparent) !important;
  opacity: 0 !important;
  transition: opacity 0.3s ease !important;
}

.card:hover::before {
  opacity: 1 !important;
}

.card:hover {
  transform: translateY(-4px) !important;
  box-shadow: 
    var(--glass-shadow-hover),
    0 0 20px rgba(0, 212, 255, 0.1) !important;
  border-color: rgba(0, 212, 255, 0.2) !important;
}

/* Pulse animation for highlighted elements */
@keyframes elementPulse {
  0%, 100% { 
    box-shadow: 
      var(--glass-shadow),
      0 0 15px rgba(0, 212, 255, 0.3);
  }
  50% { 
    box-shadow: 
      var(--glass-shadow-hover),
      0 0 30px rgba(0, 212, 255, 0.6);
  }
}

.element.highlight {
  animation: elementPulse 2.5s ease-in-out infinite !important;
  transform: scale(1.05) !important;
  z-index: 10 !important;
}