/**
 * Dark Theme - Ciemny motyw dla strony LKH Intermedia
 * Ładny, nowoczesny dark mode
 */

:root {
    /* Dark Theme Colors */
    --dark-bg-primary: #0f1419;
    --dark-bg-secondary: #1a1f2e;
    --dark-bg-tertiary: #242b3d;
    --dark-bg-elevated: #2d3548;
    
    --dark-text-primary: #e8eaed;
    --dark-text-secondary: #b8bcc4;
    --dark-text-muted: #8a8f98;
    
    --dark-primary: #3b82f6;
    --dark-primary-hover: #60a5fa;
    --dark-secondary: #10b981;
    --dark-accent: #f97316;
    
    --dark-border: #2d3548;
    --dark-border-light: #3d4556;
    
    --dark-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    --dark-shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.6);
    
    /* Glassmorphism effects */
    --glass-bg: rgba(26, 31, 46, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);
}

/* Dark Mode Base */
body.dark-mode {
    background: linear-gradient(135deg, #0f1419 0%, #1a1f2e 100%);
    color: var(--dark-text-primary);
    
    /* Nadpisanie zmiennych z modern-style.css dla trybu ciemnego */
    --text-primary: #e8eaed;
    --text-secondary: #b8bcc4;
    --text-main: #e8eaed;
    --text-dim: #b8bcc4;
    --text-muted: #8a8f98;
    --glass-bg: rgba(26, 31, 46, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);
    --primary-color: #3b82f6;
    --secondary-color: #10b981;
}

body.dark-mode::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at top right, rgba(59, 130, 246, 0.15), transparent 50%),
        radial-gradient(ellipse at bottom left, rgba(16, 185, 129, 0.15), transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* Ustawiamy position relative tylko dla głównych kontenerów, nie dla wszystkich elementów */
body.dark-mode .container,
body.dark-mode .site-header,
body.dark-mode .site-footer,
body.dark-mode main,
body.dark-mode section {
    position: relative;
    z-index: 1;
}

/* Header Dark */
body.dark-mode .site-header {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 100000;
}

body.dark-mode .navbar-brand .brand-name {
    color: #ffffff;
}

body.dark-mode .navbar-brand .brand-name strong {
    color: #00d4aa;
}

body.dark-mode .logo-icon {
    filter: drop-shadow(0 4px 15px rgba(0, 212, 170, 0.4));
}

body.dark-mode .navbar-brand:hover .logo-icon {
    filter: drop-shadow(0 6px 25px rgba(0, 212, 170, 0.6));
}

body.dark-mode .nav-menu a {
    color: var(--dark-text-secondary);
}

body.dark-mode .nav-menu a:hover,
body.dark-mode .nav-menu a.active {
    color: var(--dark-primary-hover);
    border-bottom-color: var(--dark-primary-hover);
}

/* Menu mobilne w dark mode */
@media (max-width: 900px) {
    body.dark-mode .nav-menu {
        position: fixed !important;
        top: 70px !important;
        left: 0 !important;
        right: 0 !important;
        background: #0f1419 !important;
        border-bottom: 1px solid #2d3548;
        backdrop-filter: none;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
        z-index: 10000 !important;
        padding: 1rem;
    }
    
    body.dark-mode .nav-menu.active {
        display: flex !important;
        flex-direction: column;
    }
    
    body.dark-mode .nav-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    body.dark-mode .nav-menu li:last-child {
        border-bottom: none;
    }
    
    body.dark-mode .nav-menu a {
        color: #e8eaed !important;
        font-size: 1.1rem;
        padding: 1rem;
        display: block;
        width: 100%;
        background: transparent;
    }
    
    body.dark-mode .nav-menu a:hover,
    body.dark-mode .nav-menu a.active {
        background: rgba(59, 130, 246, 0.2);
        color: #60a5fa !important;
    }
    
    body.dark-mode .mobile-menu-toggle {
        background: #1a1f2e !important;
        border: 1px solid #3d4556 !important;
        color: #e8eaed !important;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
        width: 44px;
        height: 44px;
    }
    
    body.dark-mode .mobile-menu-toggle:hover {
        background: #242b3d !important;
        border-color: #4a5568 !important;
    }
    
    body.dark-mode .mobile-menu-toggle.active {
        background: #3b82f6 !important;
        color: #ffffff !important;
        border-color: #3b82f6 !important;
    }
}

body.dark-mode .cta-button {
    background: linear-gradient(135deg, var(--dark-primary) 0%, var(--dark-primary-hover) 100%);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

body.dark-mode .cta-button:hover {
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
    transform: translateY(-2px);
}

/* Hero Section Dark */
body.dark-mode .hero-section {
    background: linear-gradient(135deg, 
        rgba(15, 20, 25, 0.95) 0%, 
        rgba(26, 31, 46, 0.95) 100%
    );
    position: relative;
    overflow: hidden;
}

body.dark-mode .hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.2), transparent 40%),
        radial-gradient(circle at 80% 50%, rgba(16, 185, 129, 0.2), transparent 40%);
    pointer-events: none;
}

body.dark-mode .hero-title {
    color: var(--dark-text-primary);
    text-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

body.dark-mode .hero-title .highlight {
    color: var(--dark-secondary);
    text-shadow: 0 0 30px rgba(16, 185, 129, 0.5);
}

/* Stats Banner - dark mode */
body.dark-mode .stats-banner {
    background: linear-gradient(135deg, #1e3a5f 0%, #2d1f5f 50%, #3d1f4f 100%);
}

body.dark-mode .stat-banner-item.highlight {
    background: rgba(30, 58, 95, 0.95);
    border-color: #ffd700;
}

body.dark-mode .stat-banner-item.highlight .stat-banner-number {
    color: #8ab4f8;
}

body.dark-mode .stat-banner-item.highlight .stat-banner-label {
    color: #e8eaed;
}

body.dark-mode .stat-banner-desc {
    color: #9aa0a6;
}

/* Futurystyczne dodatki (nowy layout) */
body.dark-mode .chip {
    background: rgba(45, 53, 72, 0.7);
    border-color: var(--dark-border-light);
    color: var(--dark-text-primary);
}

body.dark-mode .meta-card,
body.dark-mode .dostepnosc-form-wrapper,
body.dark-mode .usluga-card,
body.dark-mode .feature-item,
body.dark-mode .pricing-card,
body.dark-mode .kontakt-info,
body.dark-mode .kontakt-form-wrapper {
    background: var(--dark-bg-elevated);
    border-color: var(--dark-border-light);
    box-shadow: var(--dark-shadow);
}

body.dark-mode .hero-visual {
    background: linear-gradient(145deg, rgba(15, 20, 25, 0.85), rgba(26, 31, 46, 0.75));
}

body.dark-mode .meta-value {
    color: var(--dark-text-primary);
}

body.dark-mode .section-title,
body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3 {
    color: var(--dark-text-primary);
}

body.dark-mode p,
body.dark-mode .subtitle {
    color: var(--dark-text-secondary);
}

body.dark-mode .btn-outline {
    color: var(--dark-text-primary);
    border-color: var(--dark-primary-hover);
}

body.dark-mode .map-container {
    border-color: var(--dark-border-light);
    box-shadow: var(--dark-shadow-lg);
}

body.dark-mode .hero-subtitle {
    color: var(--dark-text-secondary);
}

/* Buttons Dark */
body.dark-mode .btn-primary {
    background: linear-gradient(135deg, var(--dark-primary) 0%, var(--dark-primary-hover) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

body.dark-mode .btn-primary:hover {
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

body.dark-mode .btn-outline {
    border-color: var(--dark-primary);
    color: var(--dark-primary);
}

body.dark-mode .btn-outline:hover {
    background: var(--dark-primary);
    color: white;
}

/* Cards Dark - Glassmorphism */
body.dark-mode .usluga-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--dark-shadow);
}

body.dark-mode .usluga-card:hover {
    background: rgba(45, 53, 72, 0.9);
    border-color: var(--dark-primary);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.3);
}

body.dark-mode .usluga-icon {
    color: var(--dark-primary);
}

body.dark-mode .usluga-card h3 {
    color: var(--dark-text-primary);
}

body.dark-mode .usluga-card p {
    color: var(--dark-text-secondary);
}

body.dark-mode .usluga-card .btn-text {
    color: var(--dark-primary);
    font-weight: 600;
}

body.dark-mode .usluga-card .btn-text:hover {
    color: #7dd3fc;
}

/* Sections Dark */
body.dark-mode .section {
    background: transparent;
}

body.dark-mode .section.uslugi-section,
body.dark-mode .section.features-section,
body.dark-mode .section.faq-section,
body.dark-mode .section.stats-section {
    background: rgba(26, 31, 46, 0.3);
}

body.dark-mode .section-title {
    color: var(--dark-text-primary);
}

body.dark-mode .subtitle {
    color: var(--dark-text-secondary);
}

/* Features Dark */
body.dark-mode .feature-item {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
}

body.dark-mode .feature-icon {
    color: var(--dark-secondary);
}

body.dark-mode .feature-item h3 {
    color: var(--dark-text-primary);
}

body.dark-mode .feature-item p {
    color: var(--dark-text-secondary);
}

/* Forms Dark */
body.dark-mode .form-group input,
body.dark-mode .form-group select,
body.dark-mode .form-group textarea {
    background: var(--dark-bg-tertiary);
    border: 2px solid var(--dark-border);
    color: var(--dark-text-primary);
}

body.dark-mode .form-group input::placeholder {
    color: var(--dark-text-muted);
}

body.dark-mode .form-group input:focus,
body.dark-mode .form-group select:focus,
body.dark-mode .form-group textarea:focus {
    border-color: var(--dark-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
    background: var(--dark-bg-elevated);
}

body.dark-mode .form-group label {
    color: var(--dark-text-secondary);
}

/* Dostępność Form Dark */
body.dark-mode .dostepnosc-section {
    background: transparent;
}

body.dark-mode .dostepnosc-form-wrapper {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--dark-shadow-lg);
}

body.dark-mode .result-success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--dark-secondary);
}

body.dark-mode .result-warning {
    background: rgba(249, 115, 22, 0.15);
    border: 1px solid rgba(249, 115, 22, 0.3);
    color: var(--dark-accent);
}

body.dark-mode .result-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

/* Pricing Cards Dark */
body.dark-mode .pricing-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 2px solid var(--dark-border);
}

body.dark-mode .pricing-card:hover {
    border-color: var(--dark-primary);
    box-shadow: 0 10px 40px rgba(59, 130, 246, 0.3);
}

body.dark-mode .pricing-card.featured {
    border-color: var(--dark-primary);
    box-shadow: 0 10px 40px rgba(59, 130, 246, 0.4);
    background: rgba(59, 130, 246, 0.05);
}

body.dark-mode .pricing-card .badge {
    background: linear-gradient(135deg, var(--dark-secondary) 0%, #14b8a6 100%);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

body.dark-mode .pricing-header h3 {
    color: var(--dark-text-primary);
}

body.dark-mode .price .amount {
    color: var(--dark-primary);
}

body.dark-mode .price .currency {
    color: var(--dark-text-secondary);
}

body.dark-mode .pricing-features {
    border-color: var(--dark-border);
}

body.dark-mode .pricing-features li {
    border-bottom-color: var(--dark-border);
    color: var(--dark-text-secondary);
}

body.dark-mode .pricing-features i {
    color: var(--dark-secondary);
}

/* FAQ Dark */
body.dark-mode .faq-item {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

body.dark-mode .faq-question {
    color: var(--dark-text-primary);
}

body.dark-mode .faq-question:hover {
    background: rgba(45, 53, 72, 0.5);
}

body.dark-mode .faq-question i {
    color: var(--dark-primary);
}

body.dark-mode .faq-answer p {
    color: var(--dark-text-secondary);
}

/* Stats Dark */
body.dark-mode .stat-number {
    color: var(--dark-primary);
    text-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

body.dark-mode .stat-label {
    color: var(--dark-text-secondary);
}

/* CTA Section Dark */
body.dark-mode .cta-section {
    background: linear-gradient(135deg, 
        rgba(59, 130, 246, 0.2) 0%, 
        rgba(16, 185, 129, 0.2) 100%
    );
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

body.dark-mode .cta-section h2 {
    color: var(--dark-text-primary);
}

body.dark-mode .cta-section p {
    color: var(--dark-text-secondary);
}

body.dark-mode .cta-section .btn-primary {
    background: white;
    color: var(--dark-bg-primary);
}

body.dark-mode .cta-section .btn-primary:hover {
    background: var(--dark-text-primary);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.3);
}

/* Footer Dark */
body.dark-mode .site-footer {
    background: var(--dark-bg-primary);
    border-top: 1px solid var(--glass-border);
}

body.dark-mode .footer-section h3,
body.dark-mode .footer-section h4 {
    color: var(--dark-text-primary);
}

body.dark-mode .footer-section a {
    color: var(--dark-text-secondary);
}

body.dark-mode .footer-section a:hover {
    color: var(--dark-primary);
}

body.dark-mode .footer-bottom {
    border-top-color: var(--dark-border);
    color: var(--dark-text-muted);
}

/* Page Headers Dark */
body.dark-mode .page-header {
    background: linear-gradient(135deg, 
        rgba(59, 130, 246, 0.3) 0%, 
        rgba(16, 185, 129, 0.3) 100%
    );
    border-bottom: 1px solid var(--glass-border);
}

/* Kontakt Dark */
body.dark-mode .kontakt-info {
    color: var(--dark-text-secondary);
}

body.dark-mode .kontakt-item i {
    color: var(--dark-primary);
}

body.dark-mode .kontakt-item h3 {
    color: var(--dark-text-primary);
}

body.dark-mode .kontakt-form-wrapper {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

/* Map Dark */
body.dark-mode .map-container iframe {
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    filter: brightness(0.7) contrast(1.2) saturate(0.8);
}

/* Image Placeholders Dark */
body.dark-mode .image-placeholder {
    background: var(--dark-bg-tertiary);
    border: 1px solid var(--dark-border);
}

/* Content Split Dark */
body.dark-mode .content-text p {
    color: var(--dark-text-secondary);
}

body.dark-mode .feature-list i {
    color: var(--dark-secondary);
}

/* Notifications Dark */
body.dark-mode .notification {
    background: var(--dark-bg-elevated);
    color: var(--dark-text-primary);
    box-shadow: var(--dark-shadow-lg);
}

body.dark-mode .notification-success {
    border-left-color: var(--dark-secondary);
}

body.dark-mode .notification-error {
    border-left-color: var(--dark-accent);
}

body.dark-mode .notification-info {
    border-left-color: var(--dark-primary);
}

/* Loading Dark */
body.dark-mode .loading {
    color: var(--dark-text-secondary);
}

/* Scrollbar Dark */
body.dark-mode ::-webkit-scrollbar {
    width: 12px;
    background: var(--dark-bg-primary);
}

body.dark-mode ::-webkit-scrollbar-track {
    background: var(--dark-bg-secondary);
}

body.dark-mode ::-webkit-scrollbar-thumb {
    background: var(--dark-bg-elevated);
    border-radius: 6px;
    border: 2px solid var(--dark-bg-secondary);
}

body.dark-mode ::-webkit-scrollbar-thumb:hover {
    background: var(--dark-primary);
}

/* Toggle Dark Mode Button */
.dark-mode-toggle {
    position: fixed !important;
    top: 80px !important;
    right: 20px !important;
    left: auto !important;
    bottom: auto !important;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: white;
    border: 2px solid #e0e0e0;
    color: #1a1a1a;
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dark-mode-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

body.dark-mode .dark-mode-toggle {
    background: var(--dark-bg-elevated);
    border-color: var(--glass-border);
    color: #fbbf24;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

body.dark-mode .dark-mode-toggle:hover {
    box-shadow: 0 6px 25px rgba(59, 130, 246, 0.5);
    color: #fcd34d;
}

/* Responsive - przycisk dark mode */
@media (max-width: 768px) {
    .dark-mode-toggle {
        top: 70px;
        right: 15px;
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .dark-mode-toggle {
        top: 60px;
        right: 10px;
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
}

/* Animacje */
@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(59, 130, 246, 0.6);
    }
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(59, 130, 246, 0.2),
                    0 0 20px rgba(59, 130, 246, 0.1);
    }
    50% {
        box-shadow: 0 0 20px rgba(59, 130, 246, 0.4),
                    0 0 40px rgba(59, 130, 246, 0.2);
    }
}

@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

body.dark-mode .pricing-card.featured {
    animation: glow 3s ease-in-out infinite;
}

/* Badge Najpopularniejszy - styl dla dark mode */
body.dark-mode .pricing-card.featured .badge {
    position: absolute;
    top: 10px;
    right: 10px;
    left: auto;
    transform: none;
    background: linear-gradient(135deg, var(--dark-primary), #8b5cf6);
    color: white;
    padding: 0.3rem 0.7rem;
    border-radius: 15px;
    font-size: 0.65rem;
    font-weight: 600;
    white-space: nowrap;
    letter-spacing: 0.02em;
    z-index: 10;
}

body.dark-mode .hero-section {
    background-size: 200% 200%;
    animation: gradient-shift 15s ease infinite;
}

body.dark-mode .cta-button {
    animation: pulse-glow 2s ease-in-out infinite;
}

/* DEV: Avatar OpenAI w dark mode - jeszcze bardziej złoty */
body.dark-mode .message-avatar.ai-openai {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    box-shadow: 0 0 12px rgba(251, 191, 36, 0.5);
}

body.dark-mode .message-avatar.ai-regex {
    background: linear-gradient(135deg, var(--dark-primary) 0%, var(--dark-primary-hover) 100%);
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.3);
}

/* Hover effects - więcej świecenia */
body.dark-mode .usluga-card:hover {
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4),
                0 0 50px rgba(59, 130, 246, 0.2);
}

body.dark-mode .btn-primary:hover {
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5),
                0 0 30px rgba(59, 130, 246, 0.3);
}

/* Accent lines - świecące linie */
body.dark-mode .section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--dark-primary), var(--dark-secondary));
    margin: 1rem auto 0;
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

body.dark-mode .text-center .section-title::after {
    margin-left: auto;
    margin-right: auto;
}

/* Particle effect background (optional) */
body.dark-mode .hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(16, 185, 129, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 50% 50%, rgba(249, 115, 22, 0.03) 0%, transparent 30%);
    pointer-events: none;
    z-index: 1;
}

/* Glow on focus */
body.dark-mode input:focus,
body.dark-mode select:focus,
body.dark-mode textarea:focus,
body.dark-mode button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3),
                0 0 20px rgba(59, 130, 246, 0.2);
}

/* Animowana sieć w hero - tryb ciemny */
body.dark-mode .network-bg .network-node {
    background: radial-gradient(circle, rgba(59, 130, 246, 0.5) 0%, rgba(16, 185, 129, 0.3) 100%);
    border: 2px solid rgba(59, 130, 246, 0.5);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.5),
                0 0 40px rgba(59, 130, 246, 0.2);
}

body.dark-mode .network-bg .network-line line {
    stroke: rgba(59, 130, 246, 0.3);
}

body.dark-mode .network-bg .data-packet {
    background: linear-gradient(135deg, #3b82f6 0%, #10b981 100%);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.8),
                0 0 30px rgba(59, 130, 246, 0.4);
}

/* ===== Duration toggle - tryb ciemny ===== */
body.dark-mode .duration-toggle {
    background: var(--glass-bg);
    border-color: var(--glass-border);
}

body.dark-mode .duration-btn {
    color: var(--dark-text-secondary);
}

body.dark-mode .duration-btn:hover {
    color: var(--dark-text-primary);
}

body.dark-mode .duration-btn.active {
    background: linear-gradient(135deg, var(--dark-primary) 0%, var(--dark-secondary) 100%);
    color: #ffffff;
}

body.dark-mode .duration-label {
    color: var(--dark-text-secondary);
}

/* Tech toggle - tryb ciemny */
body.dark-mode .tech-toggle {
    background: var(--glass-bg);
    border-color: var(--glass-border);
}

body.dark-mode .tech-toggle-btn {
    color: var(--dark-text-secondary);
}

/* Smooth transition */
body {
    transition: background-color 0.3s ease, color 0.3s ease;
}

body * {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}