/* Dark Mode Styles */
body.dark-mode {
    --text-color: #f3f4f6;
    --bg-color: #111827;
    --container-bg: #1f2937;
    --border-color: #374151;
    --shadow-color: rgba(37, 99, 235, 0.2);
    --gradient: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    --gradient-accent: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    --gradient-success: linear-gradient(135deg, #059669 0%, #047857 100%);
    --gradient-dark: linear-gradient(135deg, #1f2937 0%, #111827 100%);
}

body.dark-mode .ad-placeholder {
    background-color: rgba(255, 255, 255, 0.03);
    border-color: #374151;
}

body.dark-mode .ad-placeholder p {
    color: #9ca3af;
}

body.dark-mode #theme-toggle-btn .fa-moon {
    display: none;
}

body.dark-mode #theme-toggle-btn .fa-sun {
    display: block;
    color: #fbbf24;
}

body.dark-mode .url-examples li {
    background-color: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.2);
    color: #f3f4f6;
}

body.dark-mode .faq-item {
    border-color: #374151;
    background: #1f2937;
}

body.dark-mode input, 
body.dark-mode textarea, 
body.dark-mode select {
    background-color: #1f2937;
    color: var(--text-color);
    border-color: #374151;
}

body.dark-mode input::placeholder, 
body.dark-mode textarea::placeholder, 
body.dark-mode select::placeholder {
    color: #9ca3af;
}

body.dark-mode #theme-toggle-btn:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

body.dark-mode .logo h1,
body.dark-mode .hero h2,
body.dark-mode .how-to-use h2,
body.dark-mode .faq h2,
body.dark-mode .footer-section h3,
body.dark-mode .thumbnail-info h3 {
    color: #3b82f6;
}

body.dark-mode .step {
    background: #1f2937;
    border: 1px solid #374151;
}

body.dark-mode .step:hover {
    background: #1f2937;
    border-color: #3b82f6;
}

body.dark-mode .step::before {
    background: var(--gradient);
}

body.dark-mode .thumbnail-card {
    background: #1f2937;
    border-color: #374151;
}

body.dark-mode .thumbnail-card:hover {
    border-color: #3b82f6;
}

body.dark-mode .thumbnail-info {
    background: #1f2937;
}

body.dark-mode .thumbnail-info h3::after {
    background: var(--gradient);
}

body.dark-mode .cookie-consent {
    background: #1f2937;
    border-top: 1px solid #374151;
}

body.dark-mode .social-icons a {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .social-icons a:hover {
    background: #3b82f6;
    border-color: transparent;
    color: white;
}

/* Dark mode specific animations */
body.dark-mode .hero::before {
    background: url('data:image/svg+xml,<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><rect width="1" height="1" fill="rgba(255,255,255,0.02)"/></svg>');
}

body.dark-mode .footer::before {
    background: url('data:image/svg+xml,<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><rect width="1" height="1" fill="rgba(255,255,255,0.01)"/></svg>');
}

/* Dark mode specific hover effects */
body.dark-mode .download-btn:hover {
    background: #1e40af;
}

body.dark-mode .copy-btn:hover {
    background: #374151;
}

/* Transition for smooth theme switching */
body, 
body * {
    transition: background-color 0.2s ease-in-out, 
                color 0.2s ease-in-out, 
                border-color 0.2s ease-in-out, 
                box-shadow 0.2s ease-in-out,
                transform 0.2s ease-in-out;
}