/* Cyberpunk Theme */
body.theme-cyberpunk {
    --primary-color: #ff00ff;
    --secondary-color: #00ffff;
    --accent-color: #ff9900;
    --text-color: #ffffff;
    --light-text: #f4f4f4;
    --dark-bg: #0a0a1e;
    background-color: var(--dark-bg);
    color: var(--text-color);
}

/* Navigation - Cyberpunk */
body.theme-cyberpunk nav {
    background-color: rgba(10, 10, 30, 0.8);
    border-bottom: 1px solid var(--secondary-color);
}

body.theme-cyberpunk .nav-link {
    color: var(--light-text);
    text-shadow: 0 0 5px var(--secondary-color);
}

body.theme-cyberpunk .logo {
    color: var(--accent-color);
    text-shadow: 0 0 10px var(--accent-color);
}

/* Sections - Cyberpunk */
body.theme-cyberpunk .section {
    background: linear-gradient(to bottom, rgba(10, 10, 30, 0.9), rgba(10, 10, 30, 0.7));
    border-bottom: 1px solid var(--secondary-color);
}

body.theme-cyberpunk .section-header h2 {
    color: var(--secondary-color);
    text-shadow: 0 0 10px var(--secondary-color);
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 2px;
}

body.theme-cyberpunk .underline {
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    box-shadow: 0 0 10px var(--primary-color);
    height: 2px;
}

/* About Section - Cyberpunk */
body.theme-cyberpunk .about-content {
    background-color: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--secondary-color);
    border-radius: 5px;
    padding: 20px;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

body.theme-cyberpunk .image-container {
    border: 2px solid var(--secondary-color);
    box-shadow: 0 0 15px var(--secondary-color);
}

body.theme-cyberpunk .personal-info .info-label {
    color: var(--accent-color);
}

body.theme-cyberpunk .social-icon {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 0 10px var(--secondary-color);
}

/* Skills Section - Cyberpunk */
body.theme-cyberpunk .skill-item {
    background-color: rgba(0, 0, 0, 0.7);
    border: 1px solid var(--secondary-color);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
}

body.theme-cyberpunk .skill-icon {
    background-color: rgba(0, 255, 255, 0.1);
    color: var(--secondary-color);
}

body.theme-cyberpunk .skill-level {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 0 10px var(--secondary-color);
}

/* Cyberpunk Theme - Skills Filter */
body.theme-cyberpunk .skills-filter-btn {
    background-color: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--secondary-color);
    color: var(--secondary-color);
    text-transform: uppercase;
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 1px;
}

body.theme-cyberpunk .skills-filter-btn.active, 
body.theme-cyberpunk .skills-filter-btn:hover {
    background-color: var(--secondary-color);
    color: var(--dark-bg);
    box-shadow: 0 0 10px var(--secondary-color);
}

/* Experience Section - Cyberpunk */
body.theme-cyberpunk .timeline::before {
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    box-shadow: 0 0 10px var(--secondary-color);
}

body.theme-cyberpunk .timeline-dot {
    background-color: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-color);
}

body.theme-cyberpunk .timeline-content {
    background-color: rgba(0, 0, 0, 0.7);
    border: 1px solid var(--secondary-color);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
}

body.theme-cyberpunk .timeline-date {
    color: var(--accent-color);
    text-shadow: 0 0 5px var(--accent-color);
}

/* Projects Section - Cyberpunk */
body.theme-cyberpunk .filter-btn {
    background-color: transparent;
    border: 1px solid var(--secondary-color);
    color: var(--secondary-color);
}

body.theme-cyberpunk .filter-btn.active, 
body.theme-cyberpunk .filter-btn:hover {
    background-color: var(--secondary-color);
    color: var(--dark-bg);
    box-shadow: 0 0 15px var(--secondary-color);
}

body.theme-cyberpunk .project-card {
    background-color: rgba(0, 0, 0, 0.7);
    border: 1px solid var(--secondary-color);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
}

body.theme-cyberpunk .project-card:hover {
    box-shadow: 0 0 25px var(--secondary-color);
}

body.theme-cyberpunk .project-tech span {
    background-color: rgba(0, 255, 255, 0.1);
    border: 1px solid var(--secondary-color);
    color: var(--secondary-color);
}

/* Research Papers - Cyberpunk */
body.theme-cyberpunk .paper-card {
    background-color: rgba(0, 0, 0, 0.7);
    border: 1px solid var(--secondary-color);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
}

body.theme-cyberpunk .paper-icon {
    background-color: rgba(0, 255, 255, 0.1);
    color: var(--secondary-color);
    box-shadow: 0 0 10px var(--secondary-color);
}

/* Education - Cyberpunk */
body.theme-cyberpunk .education-card {
    background-color: rgba(0, 0, 0, 0.7);
    border: 1px solid var(--secondary-color);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
}

body.theme-cyberpunk .education-icon {
    background-color: rgba(0, 255, 255, 0.1);
    color: var(--secondary-color);
    box-shadow: 0 0 10px var(--secondary-color);
}

/* Contact - Cyberpunk */
body.theme-cyberpunk .contact-form {
    background-color: rgba(0, 0, 0, 0.7);
    border: 1px solid var(--secondary-color);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

body.theme-cyberpunk input, 
body.theme-cyberpunk textarea {
    background-color: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--secondary-color);
    color: var(--light-text);
}

body.theme-cyberpunk input:focus, 
body.theme-cyberpunk textarea:focus {
    box-shadow: 0 0 10px var(--secondary-color);
}

/* Footer - Cyberpunk */
body.theme-cyberpunk footer {
    background-color: rgba(10, 10, 30, 0.9);
    border-top: 1px solid var(--secondary-color);
}

/* Space Theme */
body.theme-space {
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --accent-color: #7209b7;
    --text-color: #f8f9fa;
    --light-text: #e9ecef;
    --dark-bg: #0b090a;
    background-color: var(--dark-bg);
    color: var(--text-color);
    font-family: 'Exo 2', sans-serif;
}

/* Navigation - Space */
body.theme-space nav {
    background-color: rgba(11, 9, 10, 0.8);
    border-bottom: 1px solid rgba(67, 97, 238, 0.3);
    backdrop-filter: blur(10px);
}

body.theme-space .nav-link {
    color: var(--light-text);
    text-shadow: 0 0 5px var(--primary-color);
}

body.theme-space .logo {
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-color);
}

/* Sections - Space */
body.theme-space .section {
    background: linear-gradient(to bottom, rgba(11, 9, 10, 0.9), rgba(11, 9, 10, 0.7));
    border-bottom: 1px solid rgba(67, 97, 238, 0.3);
    position: relative;
    overflow: hidden;
}

body.theme-space .section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at center, transparent 0%, transparent 70%, rgba(67, 97, 238, 0.1) 100%);
    z-index: 0;
}

body.theme-space .section-header h2 {
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-color);
    font-weight: 600;
    letter-spacing: 3px;
}

body.theme-space .underline {
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    box-shadow: 0 0 10px var(--accent-color);
    height: 2px;
}

/* About Section - Space */
body.theme-space .about-content {
    background-color: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(67, 97, 238, 0.3);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 0 20px rgba(67, 97, 238, 0.2);
    backdrop-filter: blur(5px);
}

body.theme-space .image-container {
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 15px var(--primary-color);
    border-radius: 50%;
    overflow: hidden;
}

body.theme-space .image-container img {
    filter: brightness(1.1) contrast(1.1);
}

body.theme-space .personal-info .info-label {
    color: var(--accent-color);
    font-weight: 600;
}

body.theme-space .social-icon {
    background: rgba(67, 97, 238, 0.2);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-color);
}

body.theme-space .social-icon:hover {
    background-color: var(--primary-color);
    color: var(--dark-bg);
}

/* Skills Section - Space */
body.theme-space .skill-item {
    background-color: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(67, 97, 238, 0.3);
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(67, 97, 238, 0.2);
    backdrop-filter: blur(5px);
}

body.theme-space .skill-icon {
    background-color: rgba(67, 97, 238, 0.2);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

body.theme-space .skill-level {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    box-shadow: 0 0 10px var(--primary-color);
}

body.theme-space .skill-item:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 10px 20px rgba(67, 97, 238, 0.3);
}

/* Space Theme - Skills Filter */
body.theme-space .skills-filter-btn {
    background-color: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(67, 97, 238, 0.3);
    color: var(--primary-color);
}

body.theme-space .skills-filter-btn.active, 
body.theme-space .skills-filter-btn:hover {
    background-color: var(--primary-color);
    color: var(--dark-bg);
    box-shadow: 0 0 15px var(--primary-color);
}

/* Experience Section - Space */
body.theme-space .timeline::before {
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
    box-shadow: 0 0 10px var(--primary-color);
}

body.theme-space .timeline-dot {
    background-color: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-color);
    border: 2px solid var(--dark-bg);
}

body.theme-space .timeline-content {
    background-color: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(67, 97, 238, 0.3);
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(67, 97, 238, 0.2);
    backdrop-filter: blur(5px);
}

body.theme-space .timeline-date {
    color: var(--accent-color);
    text-shadow: 0 0 5px var(--accent-color);
    font-weight: 600;
}

/* Projects Section - Space */
body.theme-space .filter-btn {
    background-color: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 30px;
}

body.theme-space .filter-btn.active, 
body.theme-space .filter-btn:hover {
    background-color: var(--primary-color);
    color: var(--dark-bg);
    box-shadow: 0 0 15px var(--primary-color);
}

body.theme-space .project-card {
    background-color: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(67, 97, 238, 0.3);
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(67, 97, 238, 0.2);
    backdrop-filter: blur(5px);
    overflow: hidden;
}

body.theme-space .project-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 30px rgba(67, 97, 238, 0.3);
}

body.theme-space .project-tech span {
    background-color: rgba(67, 97, 238, 0.2);
    border: 1px solid var (--primary-color);
    color: var(--primary-color);
    border-radius: 20px;
}

/* Research Papers - Space */
body.theme-space .paper-card {
    background-color: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(67, 97, 238, 0.3);
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(67, 97, 238, 0.2);
    backdrop-filter: blur(5px);
}

body.theme-space .paper-icon {
    background-color: rgba(67, 97, 238, 0.2);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    box-shadow: 0 0 10px var(--primary-color);
}

/* Education - Space */
body.theme-space .education-card {
    background-color: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(67, 97, 238, 0.3);
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(67, 97, 238, 0.2);
    backdrop-filter: blur(5px);
}

body.theme-space .education-icon {
    background-color: rgba(67, 97, 238, 0.2);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    box-shadow: 0 0 10px var(--primary-color);
}

/* Contact - Space */
body.theme-space .contact-form {
    background-color: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(67, 97, 238, 0.3);
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(67, 97, 238, 0.2);
    backdrop-filter: blur(5px);
}

body.theme-space input, 
body.theme-space textarea {
    background-color: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--primary-color);
    color: var(--light-text);
    border-radius: 5px;
}

body.theme-space input:focus, 
body.theme-space textarea:focus {
    box-shadow: 0 0 10px var(--primary-color);
    border-color: var(--primary-color);
}

/* Footer - Space */
body.theme-space footer {
    background-color: rgba(11, 9, 10, 0.9);
    border-top: 1px solid rgba(67, 97, 238, 0.3);
    backdrop-filter: blur(10px);
}

body.theme-space footer .social-icon {
    background-color: rgba(67, 97, 238, 0.2);
    border: 1px solid var(--primary-color);
}

/* Digital Theme */
body.theme-digital {
    --primary-color: #4ecca3;
    --secondary-color: #232931;
    --accent-color: #c5fff9;
    --text-color: #eeeeee;
    --light-text: #dddddd;
    --dark-bg: #232931;
    background-color: var(--dark-bg);
    color: var(--text-color);
    font-family: 'Share Tech Mono', monospace;
}

/* Navigation - Digital */
body.theme-digital nav {
    background-color: rgba(35, 41, 49, 0.8);
    border-bottom: 1px solid var(--primary-color);
    backdrop-filter: blur(10px);
}

body.theme-digital .nav-link {
    color: var(--light-text);
    letter-spacing: 1px;
}

body.theme-digital .logo {
    color: var(--primary-color);
    text-shadow: 0 0 5px var(--primary-color);
}

/* Sections - Digital */
body.theme-digital .section {
    background: linear-gradient(to bottom, rgba(35, 41, 49, 0.9), rgba(35, 41, 49, 0.7));
    border-bottom: 1px solid var(--primary-color);
    position: relative;
    overflow: hidden;
}

body.theme-digital .section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: repeating-linear-gradient(0deg, transparent, transparent 20px, rgba(78, 204, 163, 0.05) 20px, rgba(78, 204, 163, 0.05) 40px);
    z-index: 0;
}

body.theme-digital .section-header h2 {
    color: var(--primary-color);
    text-shadow: 0 0 5px var(--primary-color);
    letter-spacing: 2px;
    text-transform: uppercase;
}

body.theme-digital .underline {
    background-color: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-color);
    height: 2px;
}

/* About Section - Digital */
body.theme-digital .about-content {
    background-color: rgba(35, 41, 49, 0.7);
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    padding: 20px;
    box-shadow: 0 0 20px rgba(78, 204, 163, 0.2);
}

body.theme-digital .image-container {
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 15px var(--primary-color);
    clip-path: polygon(0 0, 100% 0, 100% 85%, 85% 100%, 0 100%);
}

body.theme-digital .personal-info .info-label {
    color: var(--primary-color);
    font-weight: 600;
}

body.theme-digital .social-icon {
    background-color: var(--secondary-color);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

body.theme-digital .social-icon:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    box-shadow: 0 0 15px var(--primary-color);
}

/* Skills Section - Digital */
body.theme-digital .skill-item {
    background-color: rgba(35, 41, 49, 0.7);
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    box-shadow: 0 0 15px rgba(78, 204, 163, 0.1);
    clip-path: polygon(0 0, 100% 0, 100% 90%, 95% 100%, 0 100%);
}

body.theme-digital .skill-icon {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

body.theme-digital .skill-level {
    background-color: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-color);
}

body.theme-digital .skill-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(78, 204, 163, 0.2);
}

/* Digital Theme - Skills Filter */
body.theme-digital .skills-filter-btn {
    background-color: rgba(35, 41, 49, 0.7);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    letter-spacing: 1px;
}

body.theme-digital .skills-filter-btn.active, 
body.theme-digital .skills-filter-btn:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    box-shadow: 0 0 15px var(--primary-color);
}

/* Experience Section - Digital */
body.theme-digital .timeline::before {
    background-color: var(--primary-color);
    box-shadow: 0 0 10px var (--primary-color);
}

body.theme-digital .timeline-dot {
    background-color: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-color);
    border: 2px solid var(--secondary-color);
}

body.theme-digital .timeline-content {
    background-color: rgba(35, 41, 49, 0.7);
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    box-shadow: 0 0 15px rgba(78, 204, 163, 0.1);
    clip-path: polygon(0 0, 100% 0, 100% 90%, 95% 100%, 0 100%);
}

body.theme-digital .timeline-date {
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: 1px;
}

/* Projects Section - Digital */
body.theme-digital .filter-btn {
    background-color: var(--secondary-color);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    letter-spacing: 1px;
}

body.theme-digital .filter-btn.active, 
body.theme-digital .filter-btn:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    box-shadow: 0 0 15px var(--primary-color);
}

body.theme-digital .project-card {
    background-color: rgba(35, 41, 49, 0.7);
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    box-shadow: 0 0 15px rgba(78, 204, 163, 0.1);
    clip-path: polygon(0 0, 100% 0, 100% 90%, 95% 100%, 0 100%);
    overflow: hidden;
}

body.theme-digital .project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(78, 204, 163, 0.2);
}

body.theme-digital .project-tech span {
    background-color: var(--secondary-color);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 3px;
}

/* Research Papers - Digital */
body.theme-digital .paper-card {
    background-color: rgba(35, 41, 49, 0.7);
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    box-shadow: 0 0 15px rgba(78, 204, 163, 0.1);
    clip-path: polygon(0 0, 100% 0, 100% 90%, 95% 100%, 0 100%);
}

body.theme-digital .paper-icon {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

/* Education - Digital */
body.theme-digital .education-card {
    background-color: rgba(35, 41, 49, 0.7);
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    box-shadow: 0 0 15px rgba(78, 204, 163, 0.1);
    clip-path: polygon(0 0, 100% 0, 100% 90%, 95% 100%, 0 100%);
}

body.theme-digital .education-icon {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

/* Contact - Digital */
body.theme-digital .contact-form {
    background-color: rgba(35, 41, 49, 0.7);
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    box-shadow: 0 0 20px rgba(78, 204, 163, 0.2);
    clip-path: polygon(0 0, 100% 0, 100% 95%, 95% 100%, 0 100%);
}

body.theme-digital input, 
body.theme-digital textarea {
    background-color: var(--secondary-color);
    border: 1px solid var(--primary-color);
    color: var(--light-text);
    border-radius: 3px;
}

body.theme-digital input:focus, 
body.theme-digital textarea:focus {
    box-shadow: 0 0 10px var(--primary-color);
    border-color: var(--primary-color);
}

/* Footer - Digital */
body.theme-digital footer {
    background-color: rgba(35, 41, 49, 0.9);
    border-top: 1px solid var(--primary-color);
}

body.theme-digital footer .social-icon {
    background-color: var(--secondary-color);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

/* Surreal Theme */
body.theme-surreal {
    --primary-color: #ff7700;
    --secondary-color: #ff0077;
    --accent-color: #eeaa00;
    --text-color: #ffffff;
    --light-text: #f4f4f4;
    --dark-bg: #1a1a2e;
    background-color: var(--dark-bg);
    color: var(--text-color);
    font-family: 'Comfortaa', cursive;
}

/* Navigation - Surreal */
body.theme-surreal nav {
    background-color: rgba(26, 26, 46, 0.8);
    border-bottom: 1px solid var(--primary-color);
    backdrop-filter: blur(10px);
}

body.theme-surreal .nav-link {
    color: var(--light-text);
    text-shadow: 0 0 5px var(--primary-color);
}

body.theme-surreal .logo {
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-color);
}

/* Sections - Surreal */
body.theme-surreal .section {
    background: linear-gradient(to bottom, rgba(26, 26, 46, 0.9), rgba(26, 26, 46, 0.7));
    border-bottom: 1px solid var(--secondary-color);
    position: relative;
    overflow: hidden;
}

body.theme-surreal .section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('assets/surreal-bg.png');
    background-size: cover;
    opacity: 0.1;
    z-index: 0;
    animation: float 20s infinite alternate;
}

@keyframes float {
    0% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-10px) scale(1.05); }
    100% { transform: translateY(0) scale(1); }
}

body.theme-surreal .section-header h2 {
    color: var(--secondary-color);
    text-shadow: 0 0 10px var(--secondary-color);
    font-weight: 700;
    letter-spacing: 2px;
}

body.theme-surreal .underline {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 0 10px var(--primary-color);
    height: 3px;
    border-radius: 3px;
}

/* About Section - Surreal */
body.theme-surreal .about-content {
    background-color: rgba(26, 26, 46, 0.7);
    border: 1px solid var(--primary-color);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 0 20px rgba(255, 119, 0, 0.2);
    backdrop-filter: blur(5px);
}

body.theme-surreal .image-container {
    border: 3px solid var(--primary-color);
    box-shadow: 0 0 15px var(--primary-color);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    overflow: hidden;
    animation: morphing 10s infinite;
}

@keyframes morphing {
    0% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
    25% { border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%; }
    50% { border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%; }
    75% { border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%; }
    100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
}

body.theme-surreal .personal-info .info-label {
    color: var(--accent-color);
    font-weight: 600;
}

body.theme-surreal .social-icon {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    box-shadow: 0 0 10px var(--primary-color);
}

/* Skills Section - Surreal */
body.theme-surreal .skill-item {
    background-color: rgba(26, 26, 46, 0.7);
    border: 1px solid var(--primary-color);
    border-radius: 20px;
    box-shadow: 0 0 15px rgba(255, 119, 0, 0.2);
    backdrop-filter: blur(5px);
    transform: perspective(1000px) rotateX(5deg);
    transition: all 0.5s ease;
}

body.theme-surreal .skill-icon {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
}

body.theme-surreal .skill-level {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 0 10px var(--primary-color);
    border-radius: 10px;
}

body.theme-surreal .skill-item:hover {
    transform: perspective(1000px) rotateX(0deg) scale(1.05);
    box-shadow: 0 10px 20px rgba(255, 119, 0, 0.3);
}

/* Surreal Theme - Skills Filter */
body.theme-surreal .skills-filter-btn {
    background-color: rgba(26, 26, 46, 0.7);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
}

body.theme-surreal .skills-filter-btn.active, 
body.theme-surreal .skills-filter-btn:hover {
    background-color: var(--primary-color);
    color: var(--dark-bg);
    box-shadow: 0 0 15px var(--primary-color);
}

/* Experience Section - Surreal */
body.theme-surreal .timeline::before {
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    box-shadow: 0 0 10px var(--primary-color);
}

body.theme-surreal .timeline-dot {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 0 10px var(--primary-color);
    border: 2px solid var(--dark-bg);
    transform: scale(1.2);
}

body.theme-surreal .timeline-content {
    background-color: rgba(26, 26, 46, 0.7);
    border: 1px solid var(--primary-color);
    border-radius: 20px;
    box-shadow: 0 0 15px rgba(255, 119, 0, 0.2);
    backdrop-filter: blur(5px);
    transform: perspective(1000px) rotateY(5deg);
    transition: all 0.5s ease;
}

body.theme-surreal .timeline-content:hover {
    transform: perspective(1000px) rotateY(0deg);
}

body.theme-surreal .timeline-date {
    color: var(--accent-color);
    text-shadow: 0 0 5px var(--accent-color);
    font-weight: 600;
    font-style: italic;
}

/* Projects Section - Surreal */
body.theme-surreal .filter-btn {
    background-color: rgba(26, 26, 46, 0.7);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 30px;
}

body.theme-surreal .filter-btn.active, 
body.theme-surreal .filter-btn:hover {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    box-shadow: 0 0 15px var(--primary-color);
}

body.theme-surreal .project-card {
    background-color: rgba(26, 26, 46, 0.7);
    border: 1px solid var(--primary-color);
    border-radius: 20px;
    box-shadow: 0 0 15px rgba(255, 119, 0, 0.2);
    backdrop-filter: blur(5px);
    transform: perspective(1000px) rotateY(5deg);
    transition: all 0.5s ease;
    overflow: hidden;
}

body.theme-surreal .project-card:hover {
    transform: perspective(1000px) rotateY(0deg) translateY(-10px);
    box-shadow: 0 15px 30px rgba(255, 119, 0, 0.3);
}

body.theme-surreal .project-tech span {
    background-color: rgba(255, 119, 0, 0.2);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 20px;
}

/* Research Papers - Surreal */
body.theme-surreal .paper-card {
    background-color: rgba(26, 26, 46, 0.7);
    border: 1px solid var(--primary-color);
    border-radius: 20px;
    box-shadow: 0 0 15px rgba(255, 119, 0, 0.2);
    backdrop-filter: blur(5px);
    transform: perspective(1000px) rotateX(5deg);
    transition: all 0.5s ease;
}

body.theme-surreal .paper-card:hover {
    transform: perspective(1000px) rotateX(0deg);
}

body.theme-surreal .paper-icon {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    box-shadow: 0 0 10px var(--primary-color);
}

/* Education - Surreal */
body.theme-surreal .education-card {
    background-color: rgba(26, 26, 46, 0.7);
    border: 1px solid var(--primary-color);
    border-radius: 20px;
    box-shadow: 0 0 15px rgba(255, 119, 0, 0.2);
    backdrop-filter: blur(5px);
    transform: perspective(1000px) rotateY(-5deg);
    transition: all 0.5s ease;
}

body.theme-surreal .education-card:hover {
    transform: perspective(1000px) rotateY(0deg);
}

body.theme-surreal .education-icon {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    box-shadow: 0 0 10px var(--primary-color);
}

/* Contact - Surreal */
body.theme-surreal .contact-form {
    background-color: rgba(26, 26, 46, 0.7);
    border: 1px solid var(--primary-color);
    border-radius: 20px;
    box-shadow: 0 0 20px rgba(255, 119, 0, 0.2);
    backdrop-filter: blur(5px);
}

body.theme-surreal input, 
body.theme-surreal textarea {
    background-color: rgba(26, 26, 46, 0.5);
    border: 1px solid var(--primary-color);
    color: var(--light-text);
    border-radius: 10px;
}

body.theme-surreal input:focus, 
body.theme-surreal textarea:focus {
    box-shadow: 0 0 10px var(--primary-color);
    border-color: var(--primary-color);
}

/* Footer - Surreal */
body.theme-surreal footer {
    background-color: rgba(26, 26, 46, 0.9);
    border-top: 1px solid var(--primary-color);
}

body.theme-surreal footer .social-icon {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
}

/* Biomimicry Theme */
body.theme-biomimicry {
    --primary-color: #2ecc71;
    --secondary-color: #3498db;
    --accent-color: #f1c40f;
    --text-color: #f5f5f5;
    --light-text: #ecf0f1;
    --dark-bg: #1e272e;
    background-color: var(--dark-bg);
    color: var(--text-color);
    font-family: 'Quicksand', sans-serif;
}

/* Navigation - Biomimicry */
body.theme-biomimicry nav {
    background-color: rgba(30, 39, 46, 0.8);
    border-bottom: 2px solid var(--primary-color);
    backdrop-filter: blur(10px);
}

body.theme-biomimicry .nav-link {
    color: var(--light-text);
    font-weight: 500;
}

body.theme-biomimicry .logo {
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-color);
}

/* Sections - Biomimicry */
body.theme-biomimicry .section {
    background: radial-gradient(ellipse at bottom, rgba(30, 39, 46, 0.9), rgba(30, 39, 46, 0.95));
    position: relative;
    overflow: hidden;
}

body.theme-biomimicry .section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('assets/leaf-pattern.png');
    background-size: cover;
    opacity: 0.05;
    z-index: 0;
    animation: breathe 15s infinite alternate;
}

@keyframes breathe {
    0% { transform: scale(1); opacity: 0.03; }
    50% { transform: scale(1.05); opacity: 0.06; }
    100% { transform: scale(1); opacity: 0.03; }
}

body.theme-biomimicry .section-header h2 {
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: 1px;
    position: relative;
}

body.theme-biomimicry .section-header h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
}

body.theme-biomimicry .underline {
    display: none;
}

/* About Section - Biomimicry */
body.theme-biomimicry .about-content {
    background-color: rgba(0, 0, 0, 0.2);
    border: none;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

body.theme-biomimicry .about-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(46, 204, 113, 0.05), rgba(52, 152, 219, 0.05));
    z-index: -1;
}

body.theme-biomimicry .image-container {
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(46, 204, 113, 0.3);
}

body.theme-biomimicry .personal-info .info-label {
    color: var(--accent-color);
    font-weight: 600;
}

body.theme-biomimicry .social-icon {
    background-color: var(--primary-color);
    color: var(--dark-bg);
    border-radius: 50%;
    transition: all 0.5s ease;
}

body.theme-biomimicry .social-icon:hover {
    transform: translateY(-5px) rotate(15deg);
    background-color: var(--secondary-color);
}

/* Skills Section - Biomimicry */
body.theme-biomimicry .skill-item {
    background-color: rgba(0, 0, 0, 0.2);
    border: none;
    border-radius: 20px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    position: relative;
}

body.theme-biomimicry .skill-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary-color);
}

body.theme-biomimicry .skill-icon {
    background-color: var(--primary-color);
    color: var(--dark-bg);
    border-radius: 50%;
}

body.theme-biomimicry .skill-level {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    height: 8px;
    border-radius: 4px;
}

body.theme-biomimicry .skill-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

/* Biomimicry Theme - Skills Filter */
body.theme-biomimicry .skills-filter-btn {
    background-color: rgba(0, 0, 0, 0.2);
    border: none;
    border-radius: 20px;
    color: var(--primary-color);
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

body.theme-biomimicry .skills-filter-btn.active, 
body.theme-biomimicry .skills-filter-btn:hover {
    background-color: var(--primary-color);
    color: var(--dark-bg);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Experience Section - Biomimicry */
body.theme-biomimicry .timeline::before {
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    width: 3px;
    border-radius: 3px;
}

body.theme-biomimicry .timeline-dot {
    background-color: var(--accent-color);
    border: 3px solid var(--dark-bg);
    box-shadow: 0 0 0 3px var(--primary-color);
}

body.theme-biomimicry .timeline-content {
    background-color: rgba(0, 0, 0, 0.2);
    border: none;
    border-radius: 20px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

body.theme-biomimicry .timeline-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--primary-color);
}

body.theme-biomimicry .timeline-date {
    color: var(--accent-color);
    font-weight: 600;
}

/* Projects Section - Biomimicry */
body.theme-biomimicry .filter-btn {
    background-color: rgba(0, 0, 0, 0.2);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 30px;
    padding: 8px 20px;
}

body.theme-biomimicry .filter-btn.active, 
body.theme-biomimicry .filter-btn:hover {
    background-color: var(--primary-color);
    color: var(--dark-bg);
}

body.theme-biomimicry .project-card {
    background-color: rgba(0, 0, 0, 0.2);
    border: none;
    border-radius: 20px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    position: relative;
}

body.theme-biomimicry .project-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

body.theme-biomimicry .project-card:hover::after {
    transform: scaleX(1);
}

body.theme-biomimicry .project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

body.theme-biomimicry .project-tech span {
    background-color: rgba(46, 204, 113, 0.1);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 20px;
}

/* Research Papers - Biomimicry */
body.theme-biomimicry .paper-card {
    background-color: rgba(0, 0, 0, 0.2);
    border: none;
    border-radius: 20px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    position: relative;
}

body.theme-biomimicry .paper-icon {
    background-color: var(--primary-color);
    color: var(--dark-bg);
    border-radius: 50%;
}

/* Education - Biomimicry */
body.theme-biomimicry .education-card {
    background-color: rgba(0, 0, 0, 0.2);
    border: none;
    border-radius: 20px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    position: relative;
}

body.theme-biomimicry .education-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle at top right, var(--primary-color, 0.1), transparent 70%);
    opacity: 0.2;
}

body.theme-biomimicry .education-icon {
    background-color: var(--primary-color);
    color: var(--dark-bg);
    border-radius: 50%;
}

/* Contact - Biomimicry */
body.theme-biomimicry .contact-form {
    background-color: rgba(0, 0, 0, 0.2);
    border: none;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

body.theme-biomimicry input, 
body.theme-biomimicry textarea {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(46, 204, 113, 0.3);
    border-radius: 10px;
    color: var(--light-text);
    padding: 12px 15px;
}

body.theme-biomimicry input:focus, 
body.theme-biomimicry textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(46, 204, 113, 0.2);
}

/* Footer - Biomimicry */
body.theme-biomimicry footer {
    background-color: rgba(20, 29, 36, 0.95);
    border-top: 2px solid var(--primary-color);
}

/* Glassmorphism Theme */
body.theme-glassmorphism {
    --primary-color: #4facfe;
    --secondary-color: #00f2fe;
    --accent-color: #f093fb;
    --text-color: #ffffff;
    --light-text: #e6e6e6;
    --dark-bg: #151c24;
    background-color: var(--dark-bg);
    color: var(--text-color);
    font-family: 'Poppins', sans-serif;
    background-image: radial-gradient(circle at 30% 20%, rgba(79, 172, 254, 0.2), transparent 40%), 
                      radial-gradient(circle at 80% 70%, rgba(240, 147, 251, 0.2), transparent 40%);
}

/* Navigation - Glassmorphism */
body.theme-glassmorphism nav {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

body.theme-glassmorphism .nav-link {
    color: var(--light-text);
    font-weight: 400;
    letter-spacing: 0.5px;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

body.theme-glassmorphism .logo {
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-color);
}

/* Sections - Glassmorphism */
body.theme-glassmorphism .section {
    position: relative;
    overflow: hidden;
}

body.theme-glassmorphism .section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    z-index: -1;
}

body.theme-glassmorphism .section-header h2 {
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 0 0 15px rgba(79, 172, 254, 0.7);
}

body.theme-glassmorphism .underline {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 0 20px var(--primary-color);
    height: 3px;
    border-radius: 3px;
}

/* About Section - Glassmorphism */
body.theme-glassmorphism .about-content {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    position: relative;
    overflow: hidden;
}

body.theme-glassmorphism .about-content::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    opacity: 0.5;
    pointer-events: none;
    z-index: -1;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

body.theme-glassmorphism .image-container {
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(79, 172, 254, 0.3);
    position: relative;
}

body.theme-glassmorphism .image-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
    pointer-events: none;
}

body.theme-glassmorphism .personal-info .info-label {
    color: var(--accent-color);
    font-weight: 500;
    text-shadow: 0 0 5px rgba(240, 147, 251, 0.5);
}

body.theme-glassmorphism .social-icon {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: var(--primary-color);
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.2);
    transition: all 0.4s ease;
}

body.theme-glassmorphism .social-icon:hover {
    background: rgba(79, 172, 254, 0.2);
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(79, 172, 254, 0.4);
}

/* Skills Section - Glassmorphism */
body.theme-glassmorphism .skill-item {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 16px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    position: relative;
    overflow: hidden;
}

body.theme-glassmorphism .skill-item::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
    opacity: 0.5;
    pointer-events: none;
    z-index: -1;
}

body.theme-glassmorphism .skill-icon {
    background: rgba(79, 172, 254, 0.15);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: var(--primary-color);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(79, 172, 254, 0.3);
}

body.theme-glassmorphism .skill-level {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 0 15px rgba(79, 172, 254, 0.7);
    border-radius: 10px;
}

body.theme-glassmorphism .skill-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(79, 172, 254, 0.3);
}

/* Glassmorphism Theme - Skills Filter */
body.theme-glassmorphism .skills-filter-btn {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: var(--light-text);
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.1);
}

body.theme-glassmorphism .skills-filter-btn.active, 
body.theme-glassmorphism .skills-filter-btn:hover {
    background: rgba(79, 172, 254, 0.2);
    box-shadow: 0 8px 32px rgba(79, 172, 254, 0.2);
}

/* All other sections with enhanced glass effect */
body.theme-glassmorphism .timeline-content,
body.theme-glassmorphism .project-card,
body.theme-glassmorphism .paper-card,
body.theme-glassmorphism .education-card,
body.theme-glassmorphism .contact-form,
body.theme-glassmorphism .filter-btn {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    position: relative;
    overflow: hidden;
}

body.theme-glassmorphism .timeline-content::before,
body.theme-glassmorphism .project-card::before,
body.theme-glassmorphism .paper-card::before,
body.theme-glassmorphism .education-card::before,
body.theme-glassmorphism .contact-form::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    opacity: 0.3;
    pointer-events: none;
    z-index: -1;
}

body.theme-glassmorphism input, 
body.theme-glassmorphism textarea {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 10px;
    color: var(--light-text);
    box-shadow: 0 2px 15px rgba(31, 38, 135, 0.2);
    transition: all 0.3s ease;
}

body.theme-glassmorphism input:focus, 
body.theme-glassmorphism textarea:focus {
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 25px rgba(79, 172, 254, 0.4);
    border-color: rgba(79, 172, 254, 0.5);
}

/* Footer - Glassmorphism */
body.theme-glassmorphism footer {
    background: rgba(21, 28, 36, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 -8px 32px 0 rgba(31, 38, 135, 0.2);
}

/* Neon Flux Theme */
body.theme-neon-flux {
    --primary-color: #00eeff;
    --secondary-color: #ff00aa;
    --accent-color: #ffcc00;
    --text-color: #ffffff;
    --light-text: #e0e0e0;
    --dark-bg: #0f0f1e;
    background-color: var(--dark-bg);
    color: var(--text-color);
    font-family: 'Rajdhani', sans-serif;
}

/* Navigation - Neon Flux */
body.theme-neon-flux nav {
    background-color: rgba(15, 15, 30, 0.8);
    border-bottom: 2px solid var(--primary-color);
    backdrop-filter: blur(10px);
}

body.theme-neon-flux .nav-link {
    color: var(--light-text);
    text-shadow: 0 0 8px var(--primary-color);
    letter-spacing: 1px;
}

body.theme-neon-flux .logo {
    color: var(--primary-color);
    text-shadow: 0 0 15px var(--primary-color);
    font-weight: 700;
}

/* Sections - Neon Flux */
body.theme-neon-flux .section {
    background: radial-gradient(circle at center, rgba(15, 15, 30, 0.7), rgba(15, 15, 30, 0.9));
    border-bottom: 2px solid var(--primary-color);
    position: relative;
    overflow: hidden;
}

body.theme-neon-flux .section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('assets/neon-grid.png');
    background-size: cover;
    opacity: 0.1;
    z-index: 0;
    animation: pulse 8s infinite alternate;
}

@keyframes pulse {
    0% { opacity: 0.05; }
    50% { opacity: 0.15; }
    100% { opacity: 0.05; }
}

body.theme-neon-flux .section-header h2 {
    color: var(--primary-color);
    text-shadow: 0 0 15px var(--primary-color);
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
}

body.theme-neon-flux .underline {
    background: linear-gradient(90deg, transparent, var(--primary-color), var(--secondary-color), transparent);
    box-shadow: 0 0 15px var(--primary-color);
    height: 3px;
    border-radius: 3px;
}

/* About Section - Neon Flux */
body.theme-neon-flux .about-content {
    background-color: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 0 30px rgba(0, 238, 255, 0.2);
    backdrop-filter: blur(5px);
}

body.theme-neon-flux .image-container {
    border: 3px solid var(--primary-color);
    box-shadow: 0 0 20px var(--primary-color);
    clip-path: polygon(0 0, 100% 0, 100% 85%, 85% 100%, 0 100%);
    overflow: hidden;
}

body.theme-neon-flux .image-container img {
    filter: saturate(1.2) contrast(1.1);
    transition: all 0.5s ease;
}

body.theme-neon-flux .image-container:hover img {
    transform: scale(1.05);
}

body.theme-neon-flux .personal-info .info-label {
    color: var(--accent-color);
    font-weight: 600;
    letter-spacing: 1px;
}

body.theme-neon-flux .social-icon {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    box-shadow: 0 0 15px var(--primary-color);
}

/* Skills Section - Neon Flux */
body.theme-neon-flux .skill-item {
    background-color: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 238, 255, 0.2);
    backdrop-filter: blur(5px);
    transform: perspective(800px) rotateX(5deg);
    transition: all 0.5s ease;
}

body.theme-neon-flux .skill-icon {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    border-radius: 10px;
    box-shadow: 0 0 15px var(--primary-color);
}

body.theme-neon-flux .skill-level {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 0 10px var(--primary-color);
    border-radius: 5px;
}

body.theme-neon-flux .skill-item:hover {
    transform: perspective(800px) rotateX(0deg) translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 238, 255, 0.3);
}

/* Neon Flux Theme - Skills Filter */
body.theme-neon-flux .skills-filter-btn {
    background-color: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 238, 255, 0.2);
    backdrop-filter: blur(5px);
    text-transform: uppercase;
    letter-spacing: 1px;
}

body.theme-neon-flux .skills-filter-btn.active, 
body.theme-neon-flux .skills-filter-btn:hover {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    box-shadow: 0 0 15px var(--primary-color);
    border-color: transparent;
}

/* Experience Section - Neon Flux */
body.theme-neon-flux .timeline::before {
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    box-shadow: 0 0 15px var(--primary-color);
}

body.theme-neon-flux .timeline-dot {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 0 15px var(--primary-color);
    border: 2px solid var(--dark-bg);
}

body.theme-neon-flux .timeline-content {
    background-color: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 238, 255, 0.2);
    backdrop-filter: blur(5px);
    clip-path: polygon(0 0, 100% 0, 100% 90%, 95% 100%, 0 100%);
}

body.theme-neon-flux .timeline-date {
    color: var(--accent-color);
    text-shadow: 0 0 8px var(--accent-color);
    font-weight: 600;
    letter-spacing: 1px;
}

/* Projects Section - Neon Flux */
body.theme-neon-flux .filter-btn {
    background-color: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 30px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

body.theme-neon-flux .filter-btn.active, 
body.theme-neon-flux .filter-btn:hover {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    box-shadow: 0 0 20px var(--primary-color);
}

body.theme-neon-flux .project-card {
    background-color: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 238, 255, 0.2);
    backdrop-filter: blur(5px);
    clip-path: polygon(0 0, 100% 0, 100% 90%, 95% 100%, 0 100%);
    overflow: hidden;
}

body.theme-neon-flux .project-card:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: 0 20px 40px rgba(0, 238, 255, 0.3);
}

body.theme-neon-flux .project-tech span {
    background-color: rgba(0, 238, 255, 0.2);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 20px;
}

/* Research Papers - Neon Flux */
body.theme-neon-flux .paper-card {
    background-color: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 238, 255, 0.2);
    backdrop-filter: blur(5px);
    clip-path: polygon(0 0, 100% 0, 100% 90%, 95% 100%, 0 100%);
}

body.theme-neon-flux .paper-icon {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    border-radius: 10px;
    box-shadow: 0 0 15px var(--primary-color);
}

/* Education - Neon Flux */
body.theme-neon-flux .education-card {
    background-color: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 238, 255, 0.2);
    backdrop-filter: blur(5px);
    clip-path: polygon(0 0, 100% 0, 100% 90%, 95% 100%, 0 100%);
}

body.theme-neon-flux .education-icon {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    border-radius: 10px;
    box-shadow: 0 0 15px var(--primary-color);
}

/* Contact - Neon Flux */
body.theme-neon-flux .contact-form {
    background-color: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    box-shadow: 0 0 30px rgba(0, 238, 255, 0.2);
    backdrop-filter: blur(5px);
    clip-path: polygon(0 0, 100% 0, 100% 95%, 95% 100%, 0 100%);
}

body.theme-neon-flux input, 
body.theme-neon-flux textarea {
    background-color: rgba(15, 15, 30, 0.7);
    border: 2px solid var(--primary-color);
    color: var(--light-text);
    border-radius: 5px;
}

body.theme-neon-flux input:focus, 
body.theme-neon-flux textarea:focus {
    box-shadow: 0 0 15px var(--primary-color);
    border-color: var(--primary-color);
}

/* Footer - Neon Flux */
body.theme-neon-flux footer {
    background-color: rgba(15, 15, 30, 0.9);
    border-top: 2px solid var(--primary-color);
}

body.theme-neon-flux footer .social-icon {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
}

/* Minimalist Theme */
body.theme-minimalist {
    --primary-color: #333333;
    --secondary-color: #666666;
    --accent-color: #999999;
    --text-color: #333333;
    --light-text: #666666;
    --dark-bg: #f9f9f9;
    background-color: #ffffff;
    color: var(--text-color);
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

/* Navigation - Minimalist */
body.theme-minimalist nav {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border-bottom: none;
}

body.theme-minimalist .nav-link {
    color: var(--text-color);
    font-weight: 400;
    letter-spacing: 1px;
}

body.theme-minimalist .logo {
    color: var(--primary-color);
    font-weight: 700;
}

/* Sections - Minimalist */
/* Minimalist Theme - Landing Page Fix */
/* body.theme-minimalist #home {
    background-color: #f9f9f9;
} */

body.theme-minimalist #home .canvas-container {
    opacity: 1;
    visibility: visible;
}

body.theme-minimalist #background-canvas {
    display: block;
}

/* body.theme-minimalist #home .content {
    background-color: rgba(255, 255, 255, 0.7);
    padding: 40px;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
} */

body.theme-minimalist .hero-text h1 {
    color: var(--primary-color);
}

body.theme-minimalist .hero-description {
    color: var(--secondary-color);
}

/* body.theme-minimalist .section {
    background-color: #ffffff;
    border-bottom: 1px solid #f0f0f0;
} */

body.theme-minimalist .section-header h2 {
    color: var(--primary-color);
    font-weight: 300;
    letter-spacing: 2px;
    font-size: 3.2rem;
}

body.theme-minimalist .underline {
    background-color: var(--accent-color);
    height: 1px;
    width: 50px;
}

/* About Section - Minimalist */
body.theme-minimalist .about-content {
    background-color: transparent;
    box-shadow: none;
}

body.theme-minimalist .image-container {
    border: none;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border-radius: 2px;
    overflow: hidden;
}

body.theme-minimalist .personal-info .info-label {
    color: var(--secondary-color);
    font-weight: 500;
}

body.theme-minimalist .social-icon {
    background-color: transparent;
    border: 1px solid var(--accent-color);
    color: var(--primary-color);
}

body.theme-minimalist .social-icon:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* Skills Section - Minimalist */
body.theme-minimalist .skill-item {
    background-color: white;
    border: 1px solid #f0f0f0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
    border-radius: 2px;
    transition: all 0.3s ease;
}

body.theme-minimalist .skill-icon {
    background-color: rgba(0, 0, 0, 0.03);
    color: var(--primary-color);
}

body.theme-minimalist .skill-level {
    background-color: var(--primary-color);
}

body.theme-minimalist .skill-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

/* Minimalist Theme - Skills Filter */
body.theme-minimalist .skills-filter-btn {
    background-color: transparent;
    border: 1px solid #f0f0f0;
    color: var(--secondary-color);
    font-weight: 400;
    letter-spacing: 1px;
}

body.theme-minimalist .skills-filter-btn.active, 
body.theme-minimalist .skills-filter-btn:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Experience Section - Minimalist */
body.theme-minimalist .timeline::before {
    background-color: #f0f0f0;
    width: 1px;
}

body.theme-minimalist .timeline-dot {
    background-color: white;
    border: 1px solid var(--primary-color);
    box-shadow: 0 0 0 4px white;
}

body.theme-minimalist .timeline-content {
    background-color: white;
    border: 1px solid #f0f0f0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
    border-radius: 2px;
}

body.theme-minimalist .timeline-date {
    color: var(--secondary-color);
    font-weight: 500;
}

/* Projects Section - Minimalist */
body.theme-minimalist .filter-btn {
    background-color: transparent;
    border: 1px solid #f0f0f0;
    color: var(--secondary-color);
    font-weight: 400;
    letter-spacing: 1px;
}

body.theme-minimalist .filter-btn.active, 
body.theme-minimalist .filter-btn:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

body.theme-minimalist .project-card {
    background-color: white;
    border: 1px solid #f0f0f0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
    border-radius: 2px;
}

body.theme-minimalist .project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

body.theme-minimalist .project-tech span {
    background-color: #f9f9f9;
    color: var(--secondary-color);
    border-radius: 2px;
    font-size: 1.2rem;
}

/* Research Papers - Minimalist */
body.theme-minimalist .paper-card {
    background-color: white;
    border: 1px solid #f0f0f0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
    border-radius: 2px;
}

body.theme-minimalist .paper-icon {
    background-color: rgba(0, 0, 0, 0.03);
    color: var(--primary-color);
}

/* Education - Minimalist */
body.theme-minimalist .education-card {
    background-color: white;
    border: 1px solid #f0f0f0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
    border-radius: 2px;
}

body.theme-minimalist .education-icon {
    background-color: rgba(0, 0, 0, 0.03);
    color: var(--primary-color);
}

/* Contact - Minimalist */
body.theme-minimalist .contact-form {
    background-color: white;
    border: 1px solid #f0f0f0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
    border-radius: 2px;
}

body.theme-minimalist input, 
body.theme-minimalist textarea {
    background-color: #f9f9f9;
    border: 1px solid #f0f0f0;
    border-radius: 2px;
}

body.theme-minimalist input:focus, 
body.theme-minimalist textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(51, 51, 51, 0.1);
}

/* Footer - Minimalist */
body.theme-minimalist footer {
    background-color: #f9f9f9;
    border-top: 1px solid #f0f0f0;
}