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

:root {
    /* Enhanced Color System - Professional Dark Mode Ready */
    --primary-color: #f7931a;
    --primary-dark: #e6850e;
    --primary-light: #ffb366;
    --secondary-color: #4f46e5;
    --secondary-dark: #3730a3;
    --secondary-light: #818cf8;
    --accent-color: #06d6a0;
    --accent-dark: #059669;
    --accent-light: #34d399;
    
    /* Light Theme Colors */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-light: #64748b;
    --text-muted: #94a3b8;
    --background: #ffffff;
    --background-secondary: #f8fafc;
    --background-tertiary: #f1f5f9;
    --background-dark: #0f172a;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* Enhanced Shadows */
    --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.12);
    --shadow-large: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Status Colors */
    --success-color: #10b981;
    --success-light: #d1fae5;
    --warning-color: #f59e0b;
    --warning-light: #fef3c7;
    --error-color: #ef4444;
    --error-light: #fee2e2;
    --info-color: #3b82f6;
    --info-light: #dbeafe;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* Dark Theme Variables - Professional & High Contrast */
[data-theme="dark"] {
    /* Dark Theme Colors - Optimized for Visibility */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-light: #94a3b8;
    --text-muted: #64748b;
    --background: #0a0f1a;
    --background-secondary: #1a1f2e;
    --background-tertiary: #2a2f3e;
    --background-dark: #050a15;
    --border-color: #475569;
    --border-light: #334155;
    
    /* Enhanced Dark Shadows */
    --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.5);
    --shadow-large: 0 10px 25px rgba(0, 0, 0, 0.6);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.7);
    
    /* Dark Theme Status Colors */
    --success-light: #064e3b;
    --warning-light: #451a03;
    --error-light: #450a0a;
    --info-light: #1e3a8a;
    
    /* Dark Theme Status Colors */
    --success-color: #22c55e;
    --success-light: #064e3b;
    --warning-color: #fbbf24;
    --warning-light: #451a03;
    --error-color: #f87171;
    --error-light: #450a0a;
    --info-color: #60a5fa;
    --info-light: #0c4a6e;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.03) 0%, transparent 50%);
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Enhanced Scrollbar for Dark Mode */
::-webkit-scrollbar {
    width: 12px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 6px;
    border: 2px solid var(--background-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}

/* Navigation - Enhanced for Dark Mode */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-light);
}

[data-theme="dark"] .navbar {
    background: rgba(10, 15, 26, 0.95);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-medium);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo .logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

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

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

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

.theme-toggle {
    background: var(--background-secondary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-left: var(--spacing-lg);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.theme-toggle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    opacity: 0;
    transition: var(--transition-normal);
    border-radius: 50%;
}

.theme-toggle:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: var(--shadow-medium);
}

.theme-toggle:hover::before {
    opacity: 0.1;
}

.theme-toggle i {
    font-size: var(--font-size-lg);
    transition: var(--transition-normal);
    position: relative;
    z-index: 1;
}

[data-theme="dark"] .theme-toggle {
    background: var(--background-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
    box-shadow: var(--shadow-medium);
}

[data-theme="dark"] .theme-toggle:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

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

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition-fast);
}

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

[data-theme="dark"] .hero {
    background: linear-gradient(135deg, var(--background) 0%, var(--background-secondary) 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%" r="50%"><stop offset="0%" stop-color="%23f7931a" stop-opacity="0.08"/><stop offset="100%" stop-color="%23f7931a" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/></svg>') no-repeat center center;
    background-size: cover;
    opacity: 0.6;
}

[data-theme="dark"] .hero::before {
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
}

.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    border: none;
    cursor: pointer;
    font-size: var(--font-size-base);
}

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

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

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

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

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    display: block;
}

.stat-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Dark mode styles for hero stats */
[data-theme="dark"] .stat-number {
    color: var(--text-primary);
}

[data-theme="dark"] .stat-label {
    color: var(--text-secondary);
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-card {
    position: absolute;
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-large);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    animation: float 6s ease-in-out infinite;
    color: var(--text-primary);
}

.floating-card:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-card:nth-child(2) {
    top: 50%;
    right: 10%;
    animation-delay: 2s;
}

.floating-card:nth-child(3) {
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

.floating-card i {
    font-size: var(--font-size-xl);
    color: var(--primary-color);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Dark mode styles for floating cards */
[data-theme="dark"] .floating-card {
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-medium);
}

[data-theme="dark"] .floating-card i {
    color: var(--primary-color);
}

[data-theme="dark"] .floating-card span {
    color: var(--text-primary);
}

/* Section Styles */
section {
    padding: var(--spacing-3xl) 0;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

/* Dark mode styles for section titles */
[data-theme="dark"] .section-title {
    color: var(--text-primary);
}

[data-theme="dark"] .section-subtitle {
    color: var(--text-secondary);
}

[data-theme="dark"] .section-description {
    color: var(--text-light);
}

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

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.about-intro {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.about-text p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.7;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.highlight {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
}

.highlight i {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
}

.location-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-medium);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.location-card i {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
}

.location-card h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.location-card p {
    color: var(--text-secondary);
    margin: 0;
}

/* Dark mode styles for about section */
[data-theme="dark"] .about {
    background: var(--background);
}

[data-theme="dark"] .about-content {
    background: var(--background-secondary);
}

[data-theme="dark"] .about-intro {
    color: var(--text-primary);
}

[data-theme="dark"] .about-text p {
    color: var(--text-secondary);
}

[data-theme="dark"] .highlight {
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-medium);
}

[data-theme="dark"] .highlight h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .highlight p {
    color: var(--text-secondary);
}

[data-theme="dark"] .location-card {
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-medium);
}

[data-theme="dark"] .location-card h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .location-card p {
    color: var(--text-secondary);
}

[data-theme="dark"] .timezone {
    color: var(--text-light);
}

.timezone {
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    background: var(--background);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-medium);
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    opacity: 0;
    transition: var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-large);
    border-color: var(--primary-color);
}

.project-card:hover::before {
    opacity: 1;
}

.project-card.featured {
    border: 2px solid var(--primary-color);
    background: linear-gradient(135deg, var(--background-secondary) 0%, var(--background) 100%);
    box-shadow: var(--shadow-large);
}

[data-theme="dark"] .project-card {
    background: var(--background-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .project-card.featured {
    background: linear-gradient(135deg, var(--background-tertiary) 0%, var(--background-secondary) 100%);
    border-color: var(--primary-color);
}

/* Dark mode styles for project elements */
[data-theme="dark"] .project-title {
    color: var(--text-primary);
}

[data-theme="dark"] .project-description {
    color: var(--text-secondary);
}

[data-theme="dark"] .feature {
    background: var(--background-tertiary);
    color: var(--text-secondary);
}

[data-theme="dark"] .tech-tag {
    background: var(--primary-color);
    color: white;
}

[data-theme="dark"] .project-link {
    color: var(--text-secondary);
}

[data-theme="dark"] .project-link:hover {
    color: var(--primary-color);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.project-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xl);
}

.project-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    background: var(--accent-color);
    color: white;
}

.project-status.production {
    background: #10b981;
}

.project-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

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

.project-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.feature {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--background-secondary);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.tech-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--primary-color);
    color: white;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: var(--spacing-md);
}

.project-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

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

.more-projects {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    min-height: 300px;
    border: 2px dashed var(--border-color);
    background: var(--background-secondary);
}

.more-projects .project-icon {
    background: var(--text-light);
}

/* Dark mode styles for more projects */
[data-theme="dark"] .more-projects {
    background: var(--background-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .more-projects .project-icon {
    background: var(--text-light);
}

/* Skills Section */
.skills {
    background: var(--background-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.skill-category {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-medium);
}

.category-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
    font-size: var(--font-size-lg);
}

.category-title i {
    color: var(--primary-color);
}

.skill-item {
    margin-bottom: var(--spacing-lg);
}

.skill-name {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.skill-bar {
    height: 8px;
    background: var(--background-secondary);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius-sm);
    transition: width 1s ease-in-out;
}

/* Dark mode styles for skills section */
[data-theme="dark"] .skill-category {
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-medium);
}

[data-theme="dark"] .skill-category:hover {
    box-shadow: var(--shadow-large);
    transform: translateY(-2px);
}

[data-theme="dark"] .category-title {
    color: var(--text-primary);
}

[data-theme="dark"] .skill-name {
    color: var(--text-secondary);
}

[data-theme="dark"] .skill-bar {
    background: var(--background-tertiary);
}

[data-theme="dark"] .skill-progress {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.contact-info h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

/* Dark mode styles for contact info */
[data-theme="dark"] .contact-info h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .contact-info p {
    color: var(--text-secondary);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--background-secondary);
    border-radius: var(--border-radius-lg);
}

/* Dark mode styles for contact methods */
[data-theme="dark"] .contact-method {
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .contact-method h4 {
    color: var(--text-primary);
}

[data-theme="dark"] .contact-method p {
    color: var(--text-secondary);
}

.contact-method i {
    font-size: var(--font-size-xl);
    color: var(--primary-color);
    width: 24px;
    text-align: center;
}

.contact-method h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.contact-method a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-method a:hover {
    text-decoration: underline;
}

.contact-form {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-medium);
}

/* Dark mode styles for contact form */
[data-theme="dark"] .contact-form {
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-medium);
}

[data-theme="dark"] .contact-form h3 {
    color: var(--text-primary);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-group label.required::after {
    content: ' *';
    color: var(--error-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(247, 147, 26, 0.1);
}

/* Footer */
.footer {
    background: var(--background-dark);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-xl) 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.footer-logo .logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-left p {
    color: #94a3b8;
    margin-top: var(--spacing-sm);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links a {
    color: #94a3b8;
    font-size: var(--font-size-xl);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid #334155;
    color: #94a3b8;
}

/* Dark mode styles for footer */
[data-theme="dark"] .footer {
    background: var(--background-dark);
    border-top: 1px solid var(--border-color);
}

[data-theme="dark"] .footer-content {
    background: var(--background-dark);
}

[data-theme="dark"] .footer-logo .logo-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .footer-left p {
    color: var(--text-secondary);
}

[data-theme="dark"] .footer-links a {
    color: var(--text-secondary);
}

[data-theme="dark"] .footer-links a:hover {
    color: var(--primary-color);
}

[data-theme="dark"] .footer-bottom {
    border-color: var(--border-color);
    color: var(--text-light);
}













/* PWA Elements */
.pwa-install-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-left: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    box-shadow: var(--shadow-light);
    position: relative;
    overflow: hidden;
}

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

.pwa-install-btn:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

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

.update-notification {
    position: fixed;
    top: 80px;
    right: var(--spacing-lg);
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-large);
    z-index: 1001;
    animation: slideInRight 0.3s ease-out;
    border: 2px solid var(--primary-light);
    backdrop-filter: blur(10px);
}

.update-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.update-btn {
    background: white;
    color: var(--primary-color);
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
}

.update-btn:hover {
    background: var(--background-secondary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

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

.dismiss-btn {
    background: transparent;
    color: white;
    border: none;
    font-size: var(--font-size-lg);
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
}

.dismiss-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
    box-shadow: var(--shadow-medium);
}

.dismiss-btn:active {
    transform: scale(0.95);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* PWA Install Prompt Styling */
.pwa-install-prompt {
    position: fixed;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-large);
    z-index: 1000;
    max-width: 400px;
    text-align: center;
    animation: slideUp 0.3s ease-out;
}

.pwa-install-prompt h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.pwa-install-prompt p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.pwa-install-prompt .prompt-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.pwa-install-prompt .prompt-buttons button {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    box-shadow: var(--shadow-light);
}

.pwa-install-prompt .prompt-buttons .install {
    background: var(--primary-color);
    color: white;
}

.pwa-install-prompt .prompt-buttons .install:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

.pwa-install-prompt .prompt-buttons .install:active {
    transform: translateY(0);
}

.pwa-install-prompt .prompt-buttons .dismiss {
    background: var(--background-secondary);
    color: var(--text-secondary);
}

.pwa-install-prompt .prompt-buttons .dismiss:hover {
    background: var(--border-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

.pwa-install-prompt .prompt-buttons .dismiss:active {
    transform: translateY(0);
}

@keyframes slideUp {
    from {
        transform: translateX(-50%) translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: var(--transition-normal);
        box-shadow: var(--shadow-medium);
        padding: var(--spacing-xl) 0;
    }

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

    .theme-toggle {
        margin-left: var(--spacing-md);
        width: 40px;
        height: 40px;
        padding: var(--spacing-xs);
    }

    .hamburger {
        display: flex;
    }

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

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-buttons {
        justify-content: center;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .about-highlights {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }

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

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


}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .nav-container {
        padding: 0 var(--spacing-md);
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .hero-stats {
        justify-content: center;
    }

    .floating-card {
        display: none;
    }
}

/* Scroll Animations */
@media (prefers-reduced-motion: no-preference) {
    .project-card,
    .skill-category,
    .about-content > *,
    .contact-content > * {
        opacity: 0;
        transform: translateY(30px);
        animation: fadeInUp 0.6s ease-out forwards;
    }

    .project-card:nth-child(1) { animation-delay: 0.1s; }
    .project-card:nth-child(2) { animation-delay: 0.2s; }
    .project-card:nth-child(3) { animation-delay: 0.3s; }
    .project-card:nth-child(4) { animation-delay: 0.4s; }
    .project-card:nth-child(5) { animation-delay: 0.5s; }
    .project-card:nth-child(6) { animation-delay: 0.6s; }
}

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

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

/* Performance Dashboard Styles */
.performance-dashboard {
    position: fixed;
    top: 100px;
    right: 20px;
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-large);
    z-index: 10000;
    max-width: 350px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: var(--font-size-sm);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

[data-theme="dark"] .performance-dashboard {
    background: var(--background-secondary);
    border-color: var(--border-color);
    box-shadow: var(--shadow-xl);
}

.performance-dashboard:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    background: var(--background-secondary);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.dashboard-header h3 {
    margin: 0;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.dashboard-toggle {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    cursor: pointer;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.dashboard-toggle:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.dashboard-content {
    padding: var(--spacing-md);
    max-height: 500px;
    overflow-y: auto;
}

.metric-group {
    margin-bottom: var(--spacing-lg);
}

.metric-group h4 {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric {
    background: var(--background-tertiary);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm);
}

[data-theme="dark"] .metric {
    background: var(--background-tertiary);
}

.metric-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-xs);
}

.metric-item:last-child {
    margin-bottom: 0;
}

.metric-item span:first-child {
    color: var(--text-secondary);
    font-weight: 500;
}

.metric-value {
    color: var(--primary-color);
    font-weight: 600;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.error-item {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--spacing-xs);
    padding: var(--spacing-xs);
    background: var(--error-light);
    border-radius: var(--border-radius-sm);
    border-left: 3px solid var(--error-color);
}

.error-time {
    font-size: var(--font-size-xs);
    color: var(--text-light);
    margin-bottom: 2px;
}

.error-message {
    color: var(--text-primary);
    font-size: var(--font-size-xs);
    word-break: break-word;
}

.no-errors {
    color: var(--success-color);
    font-style: italic;
    text-align: center;
    padding: var(--spacing-sm);
}

/* Responsive Dashboard */
@media (max-width: 768px) {
    .performance-dashboard {
        position: fixed;
        top: auto;
        bottom: 20px;
        right: 20px;
        left: 20px;
        max-width: none;
        width: auto;
    }
    
    .dashboard-content {
        max-height: 300px;
    }
}

/* Dashboard Animation */
@keyframes dashboardSlideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.performance-dashboard {
    animation: dashboardSlideIn 0.3s ease-out;
}

/* Metric Value Animations */
.metric-value {
    transition: all var(--transition-fast);
}

.metric-value:hover {
    transform: scale(1.1);
    color: var(--accent-color);
}

/* Error Highlighting */
.error-item {
    animation: errorPulse 0.5s ease-in-out;
}

@keyframes errorPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Performance Indicators */
.metric-value[data-status="good"] {
    color: var(--success-color);
}

.metric-value[data-status="warning"] {
    color: var(--warning-color);
}

.metric-value[data-status="poor"] {
    color: var(--error-color);
}

/* Dashboard Minimize/Maximize */
.performance-dashboard.minimized {
    width: 60px;
    height: 60px;
    overflow: hidden;
}

.performance-dashboard.minimized .dashboard-content {
    display: none;
}

.performance-dashboard.minimized .dashboard-header h3 {
    display: none;
}

.performance-dashboard.minimized .dashboard-toggle {
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius-lg);
}

/* Enhanced PWA Styles */
.pwa-install-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.pwa-install-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

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

.pwa-install-btn.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(var(--primary-rgb), 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(var(--primary-rgb), 0); }
    100% { box-shadow: 0 0 0 0 rgba(var(--primary-rgb), 0); }
}

/* PWA Notifications */
.pwa-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    padding: 16px;
    max-width: 350px;
    z-index: 10001;
    transform: translateX(400px);
    transition: transform var(--transition-normal);
    backdrop-filter: blur(10px);
}

.pwa-notification.show {
    transform: translateX(0);
}

.pwa-notification-success {
    border-left: 4px solid var(--success-color);
    background: linear-gradient(135deg, var(--success-light), var(--background));
}

.pwa-notification-warning {
    border-left: 4px solid var(--warning-color);
    background: linear-gradient(135deg, var(--warning-light), var(--background));
}

.pwa-notification-error {
    border-left: 4px solid var(--error-color);
    background: linear-gradient(135deg, var(--error-light), var(--background));
}

.pwa-notification-info {
    border-left: 4px solid var(--info-color);
    background: linear-gradient(135deg, var(--info-light), var(--background));
}

.notification-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.notification-message {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    font-weight: 500;
}

.notification-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.notification-close:hover {
    background: var(--background-secondary);
    color: var(--text-primary);
}

/* Welcome Message */
.welcome-message {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10002;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.welcome-content {
    background: var(--background);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    max-width: 500px;
    text-align: center;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
    animation: slideUp 0.4s ease-out;
}

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

.welcome-content h3 {
    color: var(--primary-color);
    margin-bottom: 16px;
    font-size: var(--font-size-xl);
}

.welcome-content p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

.welcome-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px;
    background: var(--background-secondary);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
}

.feature i {
    font-size: 24px;
    color: var(--primary-color);
}

.feature span {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    font-weight: 500;
}

.welcome-close {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.welcome-close:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Update Notification */
.update-notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    padding: 16px;
    z-index: 10001;
    animation: slideInUp 0.3s ease-out;
}

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

.update-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.update-content span {
    color: var(--text-primary);
    font-weight: 500;
}

.update-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.update-btn:hover {
    background: var(--primary-dark);
}

.dismiss-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.dismiss-btn:hover {
    background: var(--background-secondary);
    color: var(--text-primary);
}

/* Online Status Indicator */
#online-status {
    position: fixed;
    top: 20px;
    left: 20px;
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 8px 12px;
    font-size: var(--font-size-xs);
    font-weight: 500;
    z-index: 9999;
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

#online-status.online {
    color: var(--success-color);
    border-color: var(--success-color);
}

#online-status.offline {
    color: var(--error-color);
    border-color: var(--error-color);
}

/* Enhanced PWA Button States */
.pwa-install-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.pwa-install-btn:disabled:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
}

/* PWA Installation Progress */
.install-progress {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    text-align: center;
    box-shadow: var(--shadow-xl);
    z-index: 10003;
    min-width: 300px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--background-secondary);
    border-radius: 4px;
    overflow: hidden;
    margin: 16px 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    width: 0%;
    transition: width 0.3s ease;
}

/* Responsive PWA Elements */
@media (max-width: 768px) {
    .pwa-notification {
        right: 10px;
        left: 10px;
        max-width: none;
    }
    
    .welcome-content {
        margin: 20px;
        padding: 24px;
    }
    
    .welcome-features {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .update-notification {
        right: 10px;
        left: 10px;
        bottom: 10px;
    }
    
    #online-status {
        top: 10px;
        left: 10px;
        font-size: 10px;
        padding: 6px 10px;
    }
}

/* Dark Theme Enhancements */
[data-theme="dark"] .pwa-notification {
    background: var(--background-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .welcome-content {
    background: var(--background-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .update-notification {
    background: var(--background-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .install-progress {
    background: var(--background-secondary);
    border-color: var(--border-color);
}

/* Enhanced Contact Form Styles */
.contact-form {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
    padding: 32px;
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
}

.contact-form h3 {
    text-align: center;
    margin-bottom: 24px;
    color: var(--text-primary);
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.form-group label.required::after {
    content: ' *';
    color: var(--error-color);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: var(--background-secondary);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    transition: all var(--transition-normal);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
    background: var(--background);
}

.form-group input.error,
.form-group textarea.error,
.form-group select.error {
    border-color: var(--error-color);
    background: rgba(var(--error-rgb), 0.05);
}

.form-group input.error:focus,
.form-group textarea.error:focus,
.form-group select.error:focus {
    border-color: var(--error-color);
    box-shadow: 0 0 0 3px rgba(var(--error-rgb), 0.1);
}

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 40px;
}

/* Field Error Messages */
.field-error {
    display: none;
    color: var(--error-color);
    font-size: var(--font-size-xs);
    margin-top: 6px;
    padding: 8px 12px;
    background: rgba(var(--error-rgb), 0.1);
    border-radius: var(--border-radius-sm);
    border-left: 3px solid var(--error-color);
}

.field-error.show {
    display: block;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Form Messages */
.form-message {
    margin-bottom: 20px;
    padding: 16px;
    border-radius: var(--border-radius-md);
    border-left: 4px solid;
    animation: slideInRight 0.3s ease-out;
}

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

.form-message-success {
    background: linear-gradient(135deg, var(--success-light), var(--background));
    border-color: var(--success-color);
    color: var(--success-dark);
}

.form-message-error {
    background: linear-gradient(135deg, var(--error-light), var(--background));
    border-color: var(--error-color);
    color: var(--error-dark);
}

.form-message-warning {
    background: linear-gradient(135deg, var(--warning-light), var(--background));
    border-color: var(--warning-color);
    color: var(--warning-dark);
}

.form-message-info {
    background: linear-gradient(135deg, var(--info-light), var(--background));
    border-color: var(--info-color);
    color: var(--info-dark);
}

.message-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.message-content i {
    font-size: 18px;
    flex-shrink: 0;
}

.message-content span {
    font-weight: 500;
    line-height: 1.4;
}

/* Submit Button */
.contact-form button[type="submit"] {
    width: 100%;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.contact-form button[type="submit"]:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

.contact-form button[type="submit"]:active:not(:disabled) {
    transform: translateY(0);
}

.contact-form button[type="submit"]:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.contact-form button[type="submit"] i {
    margin-right: 8px;
}

/* Loading States */
.contact-form.loading {
    pointer-events: none;
    opacity: 0.8;
}

.contact-form.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(2px);
    border-radius: var(--border-radius-lg);
    z-index: 1;
}

/* Offline Indicator */
.offline-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--warning-light);
    color: var(--warning-dark);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    margin-bottom: 20px;
    border: 1px solid var(--warning-color);
}

.offline-indicator i {
    font-size: 14px;
}

/* Form Auto-save Indicator */
.auto-save-indicator {
    position: absolute;
    top: 16px;
    right: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.auto-save-indicator.show {
    opacity: 1;
}

.auto-save-indicator i {
    font-size: 12px;
    color: var(--success-color);
}

/* Form Statistics */
.form-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-top: 24px;
    padding: 20px;
    background: var(--background-secondary);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Offline Queue Status */
.offline-queue-status {
    margin-top: 16px;
    padding: 12px 16px;
    background: var(--info-light);
    border: 1px solid var(--info-color);
    border-radius: var(--border-radius-md);
    color: var(--info-dark);
    font-size: var(--font-size-sm);
}

.offline-queue-status .queue-count {
    font-weight: 600;
    color: var(--info-color);
}

/* Form Validation States */
.form-group.validating input,
.form-group.validating textarea,
.form-group.validating select {
    border-color: var(--warning-color);
}

.form-group.valid input,
.form-group.valid textarea,
.form-group.valid select {
    border-color: var(--success-color);
    background: rgba(var(--success-rgb), 0.05);
}

.form-group.valid::after {
    content: '✓';
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--success-color);
    font-weight: bold;
    font-size: 16px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .contact-form {
        margin: 0 16px;
        padding: 24px 20px;
    }
    
    .form-group {
        margin-bottom: 16px;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 10px 14px;
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .contact-form button[type="submit"] {
        padding: 16px 20px;
        font-size: 16px;
    }
    
    .form-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        padding: 16px;
    }
    
    .stat-value {
        font-size: var(--font-size-lg);
    }
}

@media (max-width: 480px) {
    .contact-form {
        margin: 0 8px;
        padding: 20px 16px;
    }
    
    .form-stats {
        grid-template-columns: 1fr;
    }
    
    .auto-save-indicator {
        position: static;
        margin-bottom: 16px;
        justify-content: center;
    }
}

/* Dark Theme Enhancements */
[data-theme="dark"] .contact-form {
    background: var(--background-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea,
[data-theme="dark"] .form-group select {
    background: var(--background);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group textarea:focus,
[data-theme="dark"] .form-group select:focus {
    background: var(--background-secondary);
}

[data-theme="dark"] .form-stats {
    background: var(--background);
    border-color: var(--border-color);
}

[data-theme="dark"] .offline-queue-status {
    background: var(--background-tertiary);
    border-color: var(--border-color);
}

/* Dark mode styles for form elements */
[data-theme="dark"] .field-error {
    background: var(--error-light);
    color: var(--text-primary);
    border-color: var(--error-color);
}

[data-theme="dark"] .form-message {
    background: var(--background-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .message-content {
    color: var(--text-primary);
}

[data-theme="dark"] .offline-indicator {
    background: var(--background-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .auto-save-indicator {
    background: var(--background-secondary);
    border-color: var(--border-color);
}

/* Dark mode styles for PWA elements */
[data-theme="dark"] .welcome-message {
    background: var(--background-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .welcome-content h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .welcome-content p {
    color: var(--text-secondary);
}

[data-theme="dark"] .welcome-features .feature {
    background: var(--background-tertiary);
    border-color: var(--border-color);
}

[data-theme="dark"] .welcome-features .feature span {
    color: var(--text-secondary);
}

/* Dark mode styles for performance dashboard elements */
[data-theme="dark"] .dashboard-header h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .metric-group h4 {
    color: var(--text-primary);
}

[data-theme="dark"] .metric-item span:first-child {
    color: var(--text-secondary);
}

[data-theme="dark"] .metric-value {
    color: var(--text-primary);
}

/* Accessibility Enhancements */
.form-group input:focus-visible,
.form-group textarea:focus-visible,
.form-group select:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.contact-form button[type="submit"]:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .contact-form {
        border-width: 2px;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        border-width: 2px;
    }
    
    .contact-form button[type="submit"] {
        border: 2px solid var(--primary-color);
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .contact-form button[type="submit"],
    .form-group input,
    .form-group textarea,
    .form-group select,
    .form-message,
    .field-error {
        transition: none;
    }
    
    .field-error.show {
        animation: none;
    }
    
    .form-message {
        animation: none;
    }
}

[data-theme="dark"] .metric-value {
    color: var(--text-primary);
}

/* Dark mode styles for error elements */
[data-theme="dark"] .error-item {
    background: var(--background-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .error-time {
    color: var(--text-light);
}

[data-theme="dark"] .error-message {
    color: var(--text-secondary);
}

[data-theme="dark"] .no-errors {
    color: var(--text-light);
}

/* Dark mode styles for PWA install prompt */
[data-theme="dark"] .pwa-install-prompt {
    background: var(--background-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .pwa-install-prompt h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .pwa-install-prompt p {
    color: var(--text-secondary);
}

[data-theme="dark"] .pwa-install-prompt .prompt-buttons button {
    background: var(--background-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .pwa-install-prompt .prompt-buttons button:hover {
    background: var(--background-tertiary);
    border-color: var(--primary-color);
}

/* Dark mode styles for status and progress elements */
[data-theme="dark"] #online-status {
    background: var(--background-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .progress-bar {
    background: var(--background-tertiary);
}

[data-theme="dark"] .progress-fill {
    background: var(--primary-color);
}

/* Dark mode styles for form stats elements */
[data-theme="dark"] .stat-item {
    background: var(--background-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .stat-value {
    color: var(--text-primary);
}

[data-theme="dark"] .stat-label {
    color: var(--text-secondary);
}

/* Dark mode styles for buttons */
[data-theme="dark"] .btn {
    border-color: var(--border-color);
}

[data-theme="dark"] .btn-primary {
    background: var(--primary-color);
    color: white;
}

[data-theme="dark"] .btn-primary:hover {
    background: var(--primary-color);
    box-shadow: var(--shadow-large);
}

[data-theme="dark"] .btn-secondary {
    background: var(--background-tertiary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .btn-secondary:hover {
    background: var(--background-tertiary);
    border-color: var(--primary-color);
}

[data-theme="dark"] .btn-secondary:hover {
    background: var(--background-tertiary);
    border-color: var(--primary-color);
}

/* Dark mode styles for navigation elements */
[data-theme="dark"] .nav-logo .logo-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .nav-link {
    color: var(--text-primary);
}

[data-theme="dark"] .nav-link:hover {
    color: var(--primary-color);
}

[data-theme="dark"] .nav-link::after {
    background: var(--primary-color);
}

[data-theme="dark"] .hamburger .bar {
    background: var(--text-primary);
}

/* Dark mode styles for hero elements */
[data-theme="dark"] .hero-title {
    color: var(--text-primary);
}

[data-theme="dark"] .hero-description {
    color: var(--text-secondary);
}

[data-theme="dark"] .gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Dark mode styles for project header elements */
[data-theme="dark"] .project-header {
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .project-icon {
    background: var(--primary-color);
    color: white;
}

[data-theme="dark"] .project-status {
    background: var(--accent-color);
    color: white;
}

[data-theme="dark"] .project-status.production {
    background: #10b981;
    color: white;
}

/* Dark mode styles for contact method elements */
[data-theme="dark"] .contact-method i {
    color: var(--primary-color);
}

[data-theme="dark"] .contact-method a {
    color: var(--text-secondary);
}

[data-theme="dark"] .contact-method a:hover {
    color: var(--primary-color);
}

/* Dark mode styles for highlight and location card icons */
[data-theme="dark"] .highlight i {
    color: var(--primary-color);
}

[data-theme="dark"] .location-card i {
    color: var(--primary-color);
}

[data-theme="dark"] .category-title i {
    color: var(--primary-color);
}

/* Dark mode styles for section title after element */
[data-theme="dark"] .section-title::after {
    background: var(--primary-color);
}

/* Dark mode styles for floating card nth-child elements */
[data-theme="dark"] .floating-card:nth-child(1) {
    background: var(--background-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .floating-card:nth-child(2) {
    background: var(--background-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .floating-card:nth-child(3) {
    background: var(--background-secondary);
    border-color: var(--border-color);
}

/* Ensure text color is set for all floating card children in dark mode */
[data-theme="dark"] .floating-card:nth-child(1) span,
[data-theme="dark"] .floating-card:nth-child(2) span,
[data-theme="dark"] .floating-card:nth-child(3) span {
    color: var(--text-primary);
}

/* Dark mode styles for hero image and buttons */
[data-theme="dark"] .hero-image {
    filter: brightness(0.9) contrast(1.1);
}

[data-theme="dark"] .hero-buttons {
    border-color: var(--border-color);
}

/* Dark mode styles for grid and layout elements */
[data-theme="dark"] .about-highlights {
    border-color: var(--border-color);
}

[data-theme="dark"] .projects-grid {
    border-color: var(--border-color);
}

[data-theme="dark"] .skills-grid {
    border-color: var(--border-color);
}

[data-theme="dark"] .contact-methods {
    border-color: var(--border-color);
}

/* Dark mode styles for contact content */
[data-theme="dark"] .contact-content {
    border-color: var(--border-color);
}

[data-theme="dark"] .contact-content > * {
    border-color: var(--border-color);
}

/* Dark mode styles for container and nav container */
[data-theme="dark"] .container {
    border-color: var(--border-color);
}

[data-theme="dark"] .nav-container {
    border-color: var(--border-color);
}

/* Dark mode styles for hero container */
[data-theme="dark"] .hero-container {
    border-color: var(--border-color);
}

/* Dark mode styles for skills section */
[data-theme="dark"] .skills {
    background: var(--background);
}

/* Dark mode styles for PWA install button */
[data-theme="dark"] .pwa-install-btn {
    background: var(--accent-color);
    color: white;
    box-shadow: var(--shadow-medium);
}

[data-theme="dark"] .pwa-install-btn:hover {
    background: var(--accent-dark);
    box-shadow: var(--shadow-large);
}

[data-theme="dark"] .pwa-install-btn:disabled {
    background: var(--background-tertiary);
    color: var(--text-light);
}

[data-theme="dark"] .pwa-install-btn:disabled:hover {
    background: var(--background-tertiary);
    transform: none;
    box-shadow: var(--shadow-light);
}

/* Dark mode styles for update notification */
[data-theme="dark"] .update-notification {
    background: var(--primary-color);
    border-color: var(--primary-light);
    box-shadow: var(--shadow-xl);
}

[data-theme="dark"] .update-btn {
    background: var(--background-secondary);
    color: var(--text-primary);
}

[data-theme="dark"] .update-btn:hover {
    background: var(--background-tertiary);
}

[data-theme="dark"] .dismiss-btn {
    color: var(--text-light);
}

[data-theme="dark"] .dismiss-btn:hover {
    color: var(--text-primary);
}