/* Theme Variables */
:root {
    /* Light theme */
    --bg-primary: #e8eeff;
    --bg-secondary: #ffffff;
    --gradient-primary: linear-gradient(135deg, #96a7ff 0%, #adb9ff 100%);
    --text-primary: #1a1a1a;    
    --text-secondary: #000000;   
    --border-color: #d8e1ff;
    --primary-color: #96a7ff;
    --primary-hover: #adb9ff;
    --shadow-color: rgba(150, 167, 255, 0.1);
}

/* Dark theme colors */
.dark-mode {
    --bg-primary: #141829;
    --bg-secondary: #1c2137;
    --gradient-primary: linear-gradient(135deg, #7d91ff 0%, #96a7ff 100%);
    --text-primary: #eef2ff;
    --text-secondary: #ffffff;
    --border-color: #2a324d;
    --primary-color: #7d91ff;
    --primary-hover: #96a7ff;
    --shadow-color: rgba(125, 145, 255, 0.2);
}

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

/* Base Styles */
body {
    font-family: 'Segoe UI', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: background-color 0.3s, color 0.3s;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Container and Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.content-wrapper {
    display: grid;
    grid-template-columns: minmax(250px, 1fr) minmax(auto, 800px) minmax(250px, 1fr);
    gap: 20px;
    margin: 0 auto;
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 3rem 0;
    background: var(--bg-secondary);
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.hero-section h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-primary);
    max-width: 600px;
    margin: 0 auto;
}

/* Navigation */
.navbar {
    background: var(--gradient-primary);
    box-shadow: 0 2px 4px var(--shadow-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-secondary);
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Sidebar Content */
.content-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: sticky;
    top: 90px;
}

.sidebar-content {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.sidebar-content h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.benefits-list, 
.tips-list,
.games-list,
.uses-list,
.updates-list {
    list-style: none;
    padding: 0;
}

.benefits-list li, 
.tips-list li,
.games-list li,
.uses-list li,
.updates-list li {
    padding: 0.5rem 0;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.benefits-list li::before, 
.tips-list li::before,
.games-list li::before,
.uses-list li::before,
.updates-list li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
}

.ad-container.vertical {
    min-height: 600px;
    margin: 0;
    width: 100%;
    background: var(--bg-secondary);
}

/* Adjust sidebar visibility for smaller screens */
@media (max-width: 1200px) {
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .content-sidebar {
        display: none;
    }
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    font-size: 1.2rem;
}

/* Language Select */
select {
    padding: 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
}

/* Info Banner */
.info-banner {
    background: var(--gradient-primary);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 2rem 0;
    text-align: center;
    color: var(--text-secondary);
    box-shadow: 0 2px 4px var(--shadow-color);
}

/* Converter Section */
.converter-section {
    margin: 2rem 0;
}

.converter-container {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px var(--shadow-color);
}

.input-container,
.output-container {
    margin-bottom: 1.5rem;
}

textarea {
    width: 100%;
    height: 150px;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    resize: vertical;
    margin-top: 0.5rem;
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Controls */
.controls {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 1.5rem 0;
}

.main-controls {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.options {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    padding: 1rem 0;
}

/* Numbering System */
.numbering-system {
    position: relative;
    display: inline-block;
}

.numbering-btn {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.numbering-btn:after {
    content: '▼';
    font-size: 0.8em;
}

.numbering-btn.active {
    background: var(--gradient-primary);
    color: var(--text-secondary);
    border-color: transparent;
}

.numbering-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-shadow: 0 2px 4px var(--shadow-color);
    z-index: 1000;
    margin-top: 4px;
}

.numbering-dropdown.show {
    display: block;
}

.numbering-option {
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-primary);
}

.numbering-option:hover {
    background: var(--gradient-primary);
    color: var(--text-secondary);
}

.toggle-btn {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.toggle-btn.active {
    background: var(--gradient-primary);
    color: var(--text-secondary);
    border-color: transparent;
}

/* Buttons */
.primary-btn,
.secondary-btn,
.copy-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
    width: 200px;
    transition: all 0.3s ease;
}

.primary-btn,
.copy-btn {
    background: var(--gradient-primary);
    color: var(--text-secondary);
}

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

.copy-btn {
    margin: 0.5rem auto 0;
}

/* How It Works Section */
.how-it-works {
    padding: 3rem 0;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.step {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow-color);
    text-align: center;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: var(--text-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-weight: bold;
}

/* Features Section */
.features-section {
    padding: 3rem 0;
}

.section-title {
    text-align: center;
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 2rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow-color);
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Use Cases Section */
.use-cases {
    padding: 3rem 0;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.use-case-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow-color);
    text-align: center;
}

.use-case-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* FAQ Section */
.faq-section {
    padding: 3rem 0;
}

.faq-container {
    display: grid;
    gap: 1.5rem;
}

.faq-item {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.faq-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Ad Containers */
.ad-container {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    box-shadow: 0 2px 4px var(--shadow-color);
    margin: 2rem 0;
    min-height: 90px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.ad-container.vertical {
    min-height: 600px;
    margin: 0;
}

.ad-container.horizontal {
    width: 100%;
}

.ad-label {
    color: var(--text-primary);
    opacity: 0.7;
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
}

/* Add spacing between sections and ads */
.features-section,
.use-cases,
.faq-section {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

/* Footer */
footer {
    background: var(--gradient-primary);
    color: var(--text-secondary);
    padding: 1.5rem 0;
    text-align: center;
    margin-top: auto;
}

footer a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: bold;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .content-sidebar {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .converter-container {
        padding: 1rem;
    }
    
    .main-controls {
        flex-direction: column;
        align-items: center;
    }
    
    .primary-btn,
    .secondary-btn {
        width: 100%;
    }
    
    .options {
        flex-direction: column;
        align-items: stretch;
    }
    
    .numbering-system {
        width: 100%;
    }
    
    .numbering-btn {
        width: 100%;
        justify-content: space-between;
    }
    
    .features-grid,
    .use-cases-grid,
    .steps-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-section {
        padding: 2rem 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
}