/* CSS Custom Properties */
:root {
    /* Light Theme */
    --primary-color: #722F37;
    --secondary-color: #F8BBD9;
    --background-dark: #f7f7f7;
    --background-light: #ffffff;
    --card-background: #ffffff;
    --text-primary: #121212;
    --text-secondary: #444444;
    --text-muted: #888888;
    --accent-gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 15px 35px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
[data-theme="dark"] {
    --primary-color: #F8BBD9;
    --secondary-color: #722F37;
    --background-dark: #0f0f0f;
    --background-light: #1a1a1a;
    --card-background: #252525;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #888888;
    --accent-gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --shadow-light: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 15px 35px rgba(0, 0, 0, 0.2);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    background-color: var(--background-light);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--text-primary);
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--background-light);
    transform: translateY(-2px);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-medium);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    position: relative;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
}

.hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--background-light) 0%, var(--background-secondary) 100%);
}

.hero-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    animation: fadeInUp 1s ease-out;
}

.greeting {
    display: block;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.name {
    display: block;
    font-size: 3.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.hero-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--card-background);
    color: var(--text-secondary);
    border: 2px solid var(--border-light);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    color: var(--background-light);
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

.hero-visual {
    display: flex;
    justify-content: center;
    animation: fadeInRight 1s ease-out 0.3s both;
}

.hero-avatar {
    position: relative;
    width: 300px;
    height: 300px;
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: var(--background-light);
    box-shadow: var(--shadow-heavy);
}

.floating-icons {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.floating-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--card-background);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
    border: 2px solid var(--border-light);
    animation: float 3s ease-in-out infinite;
    animation-delay: var(--delay);
    box-shadow: var(--shadow-medium);
}

.floating-icon:nth-child(1) {
    top: 10%;
    right: 10%;
}

.floating-icon:nth-child(2) {
    bottom: 30%;
    left: -10%;
}

.floating-icon:nth-child(3) {
    top: 30%;
    left: -15%;
}

.floating-icon:nth-child(4) {
    bottom: 10%;
    right: -5%;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--card-background);
    color: var(--primary-color);
    border: 2px solid var(--border-light);
    font-size: 1.2rem;
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* About Section */
.about {
    background: var(--background-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-card {
    background: var(--card-background);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.about-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.about-list {
    list-style: none;
    padding-left: 0;
}

.about-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.about-list li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stat-card {
    background: var(--card-background);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--background-light);
}

.stat-content h4 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.stat-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--card-background);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.skill-category h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    text-align: center;
}

.skill-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--background-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    cursor: pointer;
}

.skill-item:hover {
    background: var(--primary-color);
    color: var(--background-light);
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

.skill-item i {
    font-size: 2rem;
}

.skill-item span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Projects Section */
.projects {
    background: var(--background-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--card-background);
    border-radius: var(--border-radius);
    padding: 2rem;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.project-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.project-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--background-light);
}

.project-header h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-tag {
    padding: 0.25rem 0.75rem;
    background: var(--background-secondary);
    color: var(--primary-color);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
    transition: var(--transition);
}

.project-link:hover {
    color: var(--secondary-color);
}

/* Experience Section */
.experience-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
}

.timeline {
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-marker {
    position: absolute;
    left: 12px;
    top: 0;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 4px solid var(--background-dark);
}

.timeline-content {
    margin-left: 4rem;
}

.experience-card {
    background: var(--card-background);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.experience-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.experience-header {
    margin-bottom: 1rem;
}

.experience-header h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.company {
    display: block;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.duration {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.experience-description ul {
    list-style: none;
    padding-left: 0;
}

.experience-description li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.experience-description li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.certifications,
.education {
    margin-bottom: 2rem;
}

.certifications h3,
.education h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.cert-item,
.edu-item {
    background: var(--card-background);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.cert-item:hover,
.edu-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.cert-icon,
.edu-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--background-light);
}

.cert-content h4,
.edu-content h4 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.cert-content p,
.edu-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    background: var(--background-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--card-background);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--background-light);
}

.contact-details h4 {
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.contact-details a,
.contact-details span {
    color: var(--text-secondary);
    transition: var(--transition);
}

.contact-details a:hover {
    color: var(--primary-color);
}

.contact-form {
    background: var(--card-background);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-light);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-light);
    border-radius: var(--border-radius);
    background: var(--background-light);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--background-light);
    padding: 2rem 0;
    border-top: 1px solid var(--border-light);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-text {
    color: var(--text-secondary);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social .social-link {
    width: 40px;
    height: 40px;
    font-size: 1rem;
}

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

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

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--accent-gradient);
    z-index: 9999;
    transition: width 0.3s ease;
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 90px;
    right: 20px;
    background: var(--card-background);
    color: var(--text-primary);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-heavy);
    z-index: 10000;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.notification.success {
    border-left-color: #10b981;
}

.notification.show {
    opacity: 1;
    transform: translateX(0);
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--background-dark);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        padding: 2rem 0;
        border-top: 1px solid rgba(248, 187, 217, 0.1);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-item {
        margin: 1rem 0;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .name {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-avatar {
        width: 250px;
        height: 250px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-stats {
        flex-direction: row;
        overflow-x: auto;
        gap: 1rem;
    }

    .stat-card {
        min-width: 200px;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .experience-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .container {
        padding: 0 1rem;
    }

    section {
        padding: 3rem 0;
    }

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

@media (max-width: 480px) {
    .name {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-avatar {
        width: 200px;
        height: 200px;
    }

    .avatar-placeholder {
        font-size: 4rem;
    }

    .floating-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .skill-items {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-stats {
        flex-direction: column;
    }

    .stat-card {
        min-width: auto;
    }
}

/* Loading Animation */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--background-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(248, 187, 217, 0.3);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--accent-gradient);
    z-index: 9999;
    transition: width 0.1s ease;
}
/* Theme Toggle Switch */
.theme-switch {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 9999;
}

.theme-switch input {
  display: none;
}

.theme-switch .slider {
  width: 50px;
  height: 24px;
  background: var(--primary-color);
  border-radius: 30px;
  position: relative;
  cursor: pointer;
  transition: background 0.3s ease;
  display: inline-block;
}

.theme-switch .slider::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: var(--background-light);
  border-radius: 50%;
  transition: transform 0.3s ease;
}

#theme-toggle:checked + .slider::before {
  transform: translateX(26px);
}
/* === Theme Icon Button === */
.theme-btn {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 9999;
  background: var(--card-background);
  color: var(--primary-color);
  border: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  box-shadow: var(--shadow-light);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.2rem;
}

.theme-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.theme-btn i {
  transition: transform 0.4s ease;
}

[data-theme="dark"] .theme-btn i {
  transform: rotate(180deg);
}