:root[data-theme="dark"] {
    --bg-primary: #0a192f;
    --bg-secondary: #112240;
    --text-primary: #e6f1ff;
    --text-secondary: #8892b0;
    --accent-color: #64ffda;
    --card-bg: #1a2f4e;
    --footer-bg: #0d1729;
    --border-color: rgba(100, 255, 218, 0.1);
    --highlight-bg: #233554;
    --tech-badge-bg: #233554;
    --skill-tag-bg: #233554;
}

:root[data-theme="light"] {
    --bg-primary: #f5f5f5;
    --bg-secondary: #ffffff;
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --accent-color: #0066cc;
    --card-bg: #ffffff;
    --footer-bg: #2d3748;
    --border-color: rgba(0, 0, 0, 0.1);
}

/* Global Styles */
body {
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

/* Glass Effect */
.glass-effect {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(45deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Theme Toggle */
.theme-switch {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.theme-toggle-btn {
    cursor: pointer;
    width: 50px;
    height: 50px;
    border-radius: 15px;
    background: rgba(17, 34, 64, 0.8);
    border: 2px solid var(--accent-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.theme-toggle-btn:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    border-color: var(--gradient-start);
}

.theme-toggle-btn:active {
    transform: translateY(1px);
}

.theme-toggle-btn .fa-sun,
.theme-toggle-btn .fa-moon {
    font-size: 1.5rem;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: absolute;
}

.theme-toggle-btn .fa-sun {
    opacity: 0;
    transform: rotate(-180deg) scale(0.5);
    color: #ffd700;
}

.theme-toggle-btn .fa-moon {
    opacity: 1;
    transform: rotate(0) scale(1);
    color: #64ffda;
}

.theme-toggle-btn.light-mode .fa-sun {
    opacity: 1;
    transform: rotate(0) scale(1);
}

.theme-toggle-btn.light-mode .fa-moon {
    opacity: 0;
    transform: rotate(180deg) scale(0.5);
}

/* Remove old theme label styles */
.theme-label {
    display: none;
}

/* Cards and Sections */
.section {
    margin: 2rem 0;
    padding: 2rem;
}

.project-card {
    background: var(--card-bg);
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
}

/* Animations */
@keyframes glow {
    0% { box-shadow: 0 0 5px var(--accent-color); }
    50% { box-shadow: 0 0 20px var(--accent-color); }
    100% { box-shadow: 0 0 5px var(--accent-color); }
}

.glow {
    animation: glow 2s infinite;
}

/* Additional responsive styles... */

/* Dark mode specific styles */
[data-theme="dark"] {
    background-color: var(--bg-primary);
    color: var(--text-primary);

    /* Header */
    .header {
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
    }

    /* Section backgrounds */
    .section {
        background: var(--bg-secondary);
        border: 1px solid var(--border-color);
    }

    /* Cards */
    .project-card,
    .education-card,
    .experience-card,
    .stat-card {
        background: var(--card-bg);
        border: 1px solid var(--border-color);
        color: var(--text-primary);
    }

    /* Text colors */
    h1, h2, h3, h4, h5, h6 {
        color: var(--text-primary);
    }

    p, .section-content {
        color: var(--text-secondary);
    }

    /* Links */
    a {
        color: var (--accent-color);
    }

    /* Badges and tags */
    .highlight-badge,
    .tech-badge,
    .skill-tag {
        background: var(--card-bg);
        color: var (--accent-color);
        border: 1px solid var(--border-color);
    }

    /* Footer */
    .footer {
        background: var(--footer-bg);
        color: var(--text-primary);
    }

    /* Theme toggle button */
    .theme-toggle-btn {
        background: var(--bg-secondary);
        border: 2px solid var(--accent-color);
    }

    .theme-toggle-btn .fa-moon {
        color: var(--accent-color);
    }

    /* Ensure text visibility */
    p, .section-content, .exp-description, .edu-highlights {
        color: var(--text-secondary) !important;
    }

    /* Fix light backgrounds */
    .highlight-item, 
    .skill-tag, 
    .tech-badge,
    .highlight-badge,
    .project-link,
    .stat-card {
        background: var(--highlight-bg) !important;
        color: var(--text-primary) !important;
    }

    /* Fix dark text */
    h1, h2, h3, h4, h5, h6,
    .project-card h3,
    .education-card h3,
    .experience-card h3,
    .section-title,
    .stat-number,
    .stat-label,
    .highlight-info,
    .exp-year,
    .edu-year {
        color: var(--text-primary) !important;
    }

    /* Ensure link visibility */
    a, .project-link a {
        color: var(--accent-color) !important;
    }

    /* Fix tech badges */
    .tech-badge {
        background: var(--tech-badge-bg) !important;
        color: var(--accent-color) !important;
        border: 1px solid var(--accent-color) !important;
    }

    /* Fix skill tags */
    .skill-tag {
        background: var(--skill-tag-bg) !important;
        color: var(--text-primary) !important;
        border: 1px solid var(--border-color) !important;
    }

    /* Fix project cards */
    .project-card {
        background: var(--card-bg) !important;
        color: var(--text-primary) !important;
    }

    /* Fix project links */
    .project-link {
        background: var(--highlight-bg) !important;
        border: 1px solid var(--border-color) !important;
    }

    /* Fix stats cards */
    .stat-card {
        background: var(--highlight-bg) !important;
        border: 1px solid var(--border-color) !important;
    }

    /* Fix about quote */
    .about-quote {
        background: var(--highlight-bg) !important;
        color: var(--text-secondary) !important;
        border-left: 4px solid var(--accent-color) !important;
        padding: 1.5rem !important;
        transition: all 0.3s ease;
    }

    .about-quote span {
        color: var(--accent-color) !important;
        display: block;
        margin-top: 0.5rem;
        text-align: right;
    }

    /* Fix highlight badges */
    .highlight-badge {
        background: var(--highlight-bg) !important;
        color: var(--accent-color) !important;
        border: 1px solid var(--accent-color) !important;
    }

    /* Fix glass effect */
    .glass-effect {
        background: var(--bg-secondary) !important;
        border: 1px solid var(--border-color) !important;
    }

    /* Fix experience and education cards */
    .experience-card,
    .education-card {
        background: var(--card-bg) !important;
        border-left: 4px solid var(--accent-color) !important;
        color: var(--text-primary) !important;
    }

    /* Fix highlight items */
    .highlight-item {
        background: var(--highlight-bg) !important;
        border: 1px solid var(--border-color) !important;
    }

    /* Fix section backgrounds */
    .section {
        background: var(--bg-secondary) !important;
    }

    /* Fix header */
    .header {
        background: var(--bg-secondary) !important;
    }

    /* Fix footer */
    .footer {
        background: var(--footer-bg) !important;
        color: var(--text-primary) !important;
    }

    /* Header content styles */
    .header-content {
        h1 {
            margin-bottom: 0.5rem;
        }

        .subtitle {
            color: var(--text-secondary);
            margin-bottom: 1rem;
        }

        .highlights {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
    }

    /* Mobile dark mode fixes */
    @media (max-width: 768px) {
        .profile-container {
            background: var(--bg-secondary);
        }

        #img1 {
            border-color: var(--accent-color);
            box-shadow: 0 0 15px rgba(100, 255, 218, 0.2);
        }

        .header-content {
            .highlights {
                justify-content: center;
                margin-top: 0.5rem;
            }
        }

        .section {
            margin: 1rem 0.5rem;
            padding: 1rem;
        }

        .project-card,
        .education-card,
        .experience-card {
            padding: 1rem;
            margin: 0.5rem 0;
        }
    }

    @media (max-width: 480px) {
        .header-content {
            h1 {
                font-size: 1.5rem;
            }
            
            .subtitle {
                font-size: 1rem;
            }
        }

        .highlight-badge {
            padding: 0.3rem 0.6rem;
            font-size: 0.8rem;
        }
    }
}

/* Base elements in dark mode */
[data-theme="dark"] body {
    background-color: var(--bg-primary);
}

/* Remove problematic effects in dark mode */
[data-theme="dark"] {
    .glass-effect {
        background: var(--bg-secondary);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }

    .gradient-text {
        color: var(--accent-color);
        background: none;
        -webkit-text-fill-color: var(--accent-color);
    }
}

/* Essential z-index hierarchy */
.theme-switch {
    z-index: 1000;
}

.header {
    z-index: 900;
}

.main-content {
    z-index: 1;
}

/* Mobile optimization */
@media (max-width: 768px) {
    [data-theme="dark"] {
        .section {
            margin: 1rem 0;
            padding: 1rem;
        }

        .project-card,
        .education-card,
        .experience-card {
            padding: 1rem;
        }
    }

    [data-theme="dark"] .header-content {
        text-align: center;
        
        .highlights {
            justify-content: center;
        }
    }
}

/* Remove any remaining light backgrounds or dark text */
[data-theme="dark"] * {
    background-color: transparent;
}

[data-theme="dark"] .white-bg {
    background: var(--bg-secondary) !important;
}