:root {
    /* Gaming Color Palette */
    --primary-neon: #00d4ff;
    --secondary-neon: #ff6b35;
    --accent-purple: #7c3aed;
    --accent-pink: #ff49db;
    --success-green: #10b981;
    --warning-yellow: #f59e0b;
    --error-red: #ef4444;
    
    /* Dark Theme */
    --dark-bg: #0a0a0a;
    --dark-surface: #1a1a1a;
    --dark-elevated: #2a2a2a;
    --dark-border: #333;
    --dark-divider: #404040;
    --navbar-bg: rgba(10, 10, 10, 0.95);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #6b7280;
    --text-inverse: #000000;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
    --gradient-secondary: linear-gradient(135deg, #ff6b35 0%, #ff49db 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-neon: 0 0 20px rgba(0, 212, 255, 0.3);
    --shadow-neon-pink: 0 0 20px rgba(255, 73, 219, 0.3);
    
    /* Spacing - Mobile First */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 0.75rem;
    --spacing-lg: 1rem;
    --spacing-xl: 1.5rem;
    --spacing-2xl: 2rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Animations */
    --animation-fast: 0.15s;
    --animation-normal: 0.3s;
    --animation-slow: 0.5s;
}

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

body {
    font-family: 'Inter', 'Segoe UI', sans-serif;
    background: var(--gradient-background);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 14px; /* Mobile-first base font size */
}

/* Gaming Background Effect */
.gaming-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: var(--gradient-background);
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(124, 58, 237, 0.1) 0%, transparent 50%);
    overflow: hidden;
}

.gaming-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(90deg, transparent 50%, rgba(0, 212, 255, 0.03) 50%),
        linear-gradient(0deg, transparent 50%, rgba(255, 107, 53, 0.03) 50%);
    background-size: 20px 20px;
    animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(20px, 20px); }
}

/* Navbar Component */
.gaming-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--navbar-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--dark-border);
    padding: var(--spacing-md) 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.navbar-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    cursor: pointer;
    transition: transform 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-title {
    font-family: 'Orbitron', monospace;
    font-size: clamp(1.3rem, 4vw, 2rem);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 
        0 0 20px rgba(0, 212, 255, 0.6),
        0 0 40px rgba(124, 58, 237, 0.4);
    margin-bottom: 0;
}

.navbar-subtitle {
    color: var(--text-secondary);
    font-size: clamp(0.6rem, 1.5vw, 0.8rem);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    margin-top: -2px;
}

.navbar-menu {
    display: none; /* Hidden on mobile, can be expanded later */
}

/* Adjust body padding when navbar is present */
.has-navbar {
    padding-top: 80px;
}

/* Typography */
.font-gaming {
    font-family: 'Orbitron', monospace;
}

.text-gradient-primary {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-secondary {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-neon {
    color: var(--primary-neon);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

/* Layout Components */
.gaming-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

.gaming-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
    color: #333;
}

.gaming-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
}

.gaming-card-glow {
    box-shadow: var(--shadow-xl), var(--shadow-neon);
}

/* Header Component - Updated for pages without navbar */
.gaming-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.gaming-title {
    font-family: 'Orbitron', monospace;
    font-size: clamp(1.8rem, 6vw, 3rem);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    text-shadow: var(--shadow-neon);
}

.gaming-subtitle {
    color: var(--text-secondary);
    font-size: clamp(0.8rem, 2vw, 1rem);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* Button Components - Mobile Optimized */
.btn-gaming {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 0.875rem; /* Much smaller for mobile */
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--animation-normal) ease;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    min-height: 44px; /* Touch-friendly minimum */
    white-space: nowrap;
}

.btn-gaming:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

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

.btn-gaming:hover {
    transform: translateY(-1px);
}

.btn-gaming:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-md), var(--shadow-neon);
}

.btn-primary:hover {
    box-shadow: var(--shadow-lg), var(--shadow-neon);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: var(--primary-neon);
    box-shadow: var(--shadow-md), var(--shadow-neon);
}

.btn-google {
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-google:hover {
    border-color: var(--primary-neon);
    box-shadow: var(--shadow-md), var(--shadow-neon);
}

/* Form Components */
.form-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: #333;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-lg);
    color: #333;
    font-size: 1rem;
    transition: all var(--animation-normal) ease;
    backdrop-filter: blur(10px);
    min-height: 44px; /* Touch-friendly */
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-neon);
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1), var(--shadow-neon);
}

.form-input:focus + .form-label {
    color: var(--primary-neon);
}

/* Checkbox Component */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: #333;
    cursor: pointer;
    min-height: 44px; /* Touch-friendly */
}

.checkbox-group input[type="checkbox"] {
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    position: relative;
    transition: all var(--animation-normal) ease;
}

.checkbox-group input[type="checkbox"]:checked {
    background: var(--gradient-primary);
    border-color: var(--primary-neon);
}

.checkbox-group input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

/* Link Component */
.link-gaming {
    color: var(--primary-neon);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--animation-normal) ease;
    position: relative;
    font-size: 0.875rem;
}

.link-gaming::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: -2px;
    left: 0;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--animation-normal) ease;
}

.link-gaming:hover {
    color: var(--secondary-neon);
    text-shadow: var(--shadow-neon);
}

.link-gaming:hover::after {
    transform: scaleX(1);
}

/* Divider Component */
.divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-xl) 0;
    color: #666;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.2), transparent);
}

.divider span {
    margin: 0 var(--spacing-lg);
    background: rgba(255, 255, 255, 0.95);
    padding: 0 var(--spacing-sm);
}

/* Alert Components */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid;
    font-size: 0.875rem;
    font-weight: 500;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--error-red);
    color: #dc2626;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success-green);
    color: #059669;
}

/* Animation Classes */
.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.float {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.glow {
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { text-shadow: 0 0 20px rgba(0, 212, 255, 0.5); }
    to { text-shadow: 0 0 30px rgba(0, 212, 255, 0.8); }
}

/* Mobile-First Responsive Design */
@media (min-width: 480px) {
    body {
        font-size: 16px;
    }
    
    .gaming-container {
        padding: var(--spacing-lg);
    }
    
    .gaming-card {
        padding: var(--spacing-2xl);
    }
    
    .btn-gaming {
        font-size: 1rem;
        padding: var(--spacing-lg) var(--spacing-xl);
    }
    
    .gaming-subtitle {
        font-size: 1rem;
        letter-spacing: 2px;
    }

    .navbar-content {
        padding: 0 var(--spacing-lg);
    }

    .navbar-title {
        font-size: clamp(1.5rem, 4vw, 2.2rem);
    }

    .navbar-subtitle {
        font-size: clamp(0.7rem, 1.5vw, 0.9rem);
    }
}

@media (min-width: 768px) {
    .gaming-container {
        padding: var(--spacing-xl);
    }
    
    .btn-gaming {
        width: auto;
        margin-bottom: 0;
        font-size: 0.9rem;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .gaming-title {
        font-size: clamp(2rem, 4vw, 2.5rem);
    }

    .navbar-content {
        padding: 0 var(--spacing-xl);
    }

    .navbar-menu {
        display: flex;
        gap: var(--spacing-lg);
    }

    .has-navbar {
        padding-top: 90px;
    }
}

@media (min-width: 1024px) {
    .gaming-container {
        padding: var(--spacing-2xl);
    }

    .navbar-content {
        padding: 0 var(--spacing-2xl);
    }

    .gaming-title {
        font-size: 2rem;
    }

    .btn-gaming {
        font-size: 0.875rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

/* Dark theme cards for dashboard and error pages */
.gaming-card-dark {
    background: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(15px);
    border: 1px solid var(--dark-border);
    color: var(--text-primary);
}

.gaming-card-dark .form-label {
    color: var(--text-primary);
}

.gaming-card-dark .form-input {
    background: rgba(26, 26, 26, 0.6);
    border: 2px solid var(--dark-border);
    color: var(--text-primary);
}

.gaming-card-dark .form-input:focus {
    background: rgba(26, 26, 26, 0.8);
}

.gaming-card-dark .checkbox-group {
    color: var(--text-secondary);
}

.gaming-card-dark .checkbox-group input[type="checkbox"] {
    background: rgba(26, 26, 26, 0.6);
    border-color: var(--dark-border);
}

.gaming-card-dark .divider span {
    background: rgba(26, 26, 26, 0.9);
    color: var(--text-muted);
}

.gaming-card-dark .divider::before,
.gaming-card-dark .divider::after {
    background: linear-gradient(90deg, transparent, var(--dark-border), transparent);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.grid { display: grid; }
.hidden { display: none; }
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.w-full { width: 100%; }
.h-full { height: 100%; }
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.z-10 { z-index: 10; }
.overflow-hidden { overflow: hidden; }

/* Text color utilities for different themes */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-dark { color: #333; }