/* Theme Switcher Styles */
.theme-toggle-wrapper {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 10px;
}

.theme-toggle {
    position: relative;
    width: 60px;
    height: 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.theme-toggle:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.theme-toggle-slider {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.theme-toggle-slider i {
    font-size: 12px;
    color: #667eea;
}

.theme-toggle.dark .theme-toggle-slider {
    transform: translateX(30px);
}

/* CSS Variables for Theme */
:root {
    /* Light Mode Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #f1f3f5;
    --bg-card: #ffffff;
    --bg-card-hover: #f8f9fa;
    
    --text-primary: #1a1a1a;
    --text-secondary: #4a5568;
    --text-tertiary: #718096;
    
    --accent-primary: #667eea;
    --accent-secondary: #764ba2;
    --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    --border-color: #e2e8f0;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
    
    --card-gradient: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    --overlay: rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] {
    /* Dark Mode Colors - GREEN ACCENT */
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #242424;
    --bg-card: #1a1a1a;
    --bg-card-hover: #252525;
    
    --text-primary: #ffffff;
    --text-secondary: #e2e8f0;
    --text-tertiary: #a0aec0;
    
    --accent-primary: #00ff9d;
    --accent-secondary: #00cc7d;
    --accent-gradient: linear-gradient(135deg, #00ff9d 0%, #00cc7d 100%);
    
    --border-color: #2d3748;
    --shadow-sm: 0 2px 8px rgba(0, 255, 157, 0.15);
    --shadow-md: 0 4px 16px rgba(0, 255, 157, 0.2);
    --shadow-lg: 0 10px 40px rgba(0, 255, 157, 0.25);
    --shadow-xl: 0 20px 60px rgba(0, 255, 157, 0.3);
    
    --card-gradient: linear-gradient(135deg, rgba(0, 255, 157, 0.05) 0%, rgba(0, 204, 125, 0.05) 100%);
    --overlay: rgba(0, 0, 0, 0.7);
}

/* Smooth transitions for theme changes */
body,
.navbar,
.hero-section,
.project-card,
.certification-card,
.contact-card,
.skill-item,
.timeline-card,
.company-section,
.page-container {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Global Styles */
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* Responsive Design for Theme Toggle */
@media (max-width: 768px) {
    .theme-toggle-wrapper {
        top: 80px;
        right: 15px;
    }
    
    .theme-toggle {
        width: 50px;
        height: 26px;
    }
    
    .theme-toggle-slider {
        width: 20px;
        height: 20px;
    }
    
    .theme-toggle.dark .theme-toggle-slider {
        transform: translateX(24px);
    }
}