:root {
    --primary-gradient: linear-gradient(135deg, #26A69A, #AB47BC);
    --bg-color: #ffffff;
    --card-bg: #f8f9fa;
    --text-color: #333333;
    --border-color: #e0e0e0;
    --input-bg: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-color: #ffffff;
    --border-color: #333333;
    --input-bg: #2a2a2a;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

[data-theme="high-contrast"] {
    --bg-color: #000000;
    --card-bg: #000000;
    --text-color: #ffffff;
    --border-color: #ffffff;
    --input-bg: #000000;
    --shadow: 0 4px 6px rgba(255, 255, 255, 0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: var(--transition);
    min-height: 100vh;
}

.easy-mode {
    font-size: 1.2em;
}

.easy-mode .btn {
    padding: 16px 24px;
    font-size: 1.1em;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding: 20px 0;
}

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

.logo-img {
    width: 48px;
    height: 48px;
}

.logo h1 {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2rem;
    font-weight: 700;
}

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

.nav-links {
    display: flex;
    gap: 16px;
    margin-right: 16px;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-link:hover {
    background: var(--border-color);
    color: var(--text-color);
}

.btn-icon {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
}

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

.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.generator-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.generator-card h2 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.8rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.privacy-notice {
    text-align: center;
    margin-bottom: 25px;
    padding: 12px;
    background: rgba(38, 166, 154, 0.1);
    border: 1px solid rgba(38, 166, 154, 0.3);
    border-radius: 8px;
    color: var(--text-color);
}

.privacy-notice small {
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--input-bg);
    color: var(--text-color);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: #26A69A;
    box-shadow: 0 0 0 3px rgba(38, 166, 154, 0.1);
}

.form-range {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--border-color);
    outline: none;
    -webkit-appearance: none;
}

.form-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-gradient);
    cursor: pointer;
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-top: 12px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: var(--transition);
}

.checkbox-label:hover {
    background: var(--border-color);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #26A69A;
}

.btn {
    padding: 14px 28px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    width: 100%;
    margin-top: 20px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(38, 166, 154, 0.3);
}

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

.btn-secondary:hover {
    background: var(--border-color);
}

.result-section {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 2px solid var(--border-color);
}

.password-display {
    display: flex;
    gap: 12px;
    margin-top: 8px;
    align-items: flex-start;
}

.password-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.password-field {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--input-bg);
    color: var(--text-color);
    font-family: 'Courier New', monospace;
    font-size: 1rem;
}

.strength-meter {
    margin-top: 20px;
}

.strength-bar {
    height: 8px;
    border-radius: 4px;
    margin-top: 8px;
    position: relative;
    background: var(--border-color);
    overflow: hidden;
}

.strength-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    border-radius: 4px;
    transition: var(--transition);
}

.strength-weak::before {
    width: 25%;
    background: #f44336;
}

.strength-medium::before {
    width: 50%;
    background: #ff9800;
}

.strength-strong::before {
    width: 75%;
    background: #4caf50;
}

.strength-very_strong::before {
    width: 100%;
    background: #26A69A;
}

.strength-bar span {
    position: absolute;
    right: 8px;
    top: -24px;
    font-size: 0.8rem;
    font-weight: 600;
}

.accessibility-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    z-index: 1000;
    min-width: 300px;
}

.accessibility-panel.hidden {
    display: none;
}

.accessibility-panel h3 {
    margin-bottom: 20px;
    color: var(--text-color);
}

.footer {
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
    border-top: 1px solid var(--border-color);
    color: var(--text-color);
    opacity: 0.7;
}

/* About Page Styles */
.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.hero-section {
    text-align: center;
    margin-bottom: 60px;
}

.hero-section h1 {
    font-size: 3rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-color);
    opacity: 0.8;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.feature-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition);
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.feature-card p {
    line-height: 1.6;
    opacity: 0.9;
}

.detailed-features {
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    margin-bottom: 40px;
}

.detailed-features h2 {
    text-align: center;
    margin-bottom: 40px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-group h4 {
    margin-bottom: 15px;
    color: var(--text-color);
    font-size: 1.1rem;
}

.feature-group ul {
    list-style: none;
    padding: 0;
}

.feature-group li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.feature-group li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #26A69A;
    font-weight: bold;
}

.privacy-commitment {
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    margin-bottom: 40px;
}

.privacy-commitment h2 {
    text-align: center;
    margin-bottom: 30px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.privacy-content p {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 30px;
    line-height: 1.6;
}

.privacy-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.privacy-point {
    background: rgba(38, 166, 154, 0.1);
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #26A69A;
}

.developer-info {
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.developer-info h2 {
    text-align: center;
    margin-bottom: 30px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.developer-info p {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 30px;
    line-height: 1.6;
}

.tech-stack {
    max-width: 600px;
    margin: 0 auto;
}

.tech-stack h4 {
    margin-bottom: 15px;
    color: var(--text-color);
}

.tech-stack ul {
    list-style: none;
    padding: 0;
}

.tech-stack li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.tech-stack li::before {
    content: '⚡';
    position: absolute;
    left: 0;
}

@media (max-width: 768px) {
    .container {
        padding: 16px;
    }
    
    .generator-card {
        padding: 24px;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    .password-display {
        flex-direction: column;
        gap: 12px;
    }
    
    .password-actions {
        width: 100%;
    }
    
    .password-actions .btn {
        flex: 1;
    }
    
    .header {
        flex-direction: column;
        gap: 16px;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .features-list {
        grid-template-columns: 1fr;
    }
    
    .privacy-points {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        margin-right: 8px;
    }
    
    .nav-link {
        padding: 6px 12px;
        font-size: 0.9rem;
    }
    
    .app-hero {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .app-hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-screenshot {
        max-width: 250px;
    }
    
    .app-features h2,
    .app-screenshots h2,
    .download-cta h2,
    .web-vs-mobile h2 {
        font-size: 2rem;
    }
    
    .feature-comparison {
        grid-template-columns: 1fr;
    }
    
    .screenshots-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .app-info-grid {
        grid-template-columns: 1fr;
    }
    
    .app-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .comparison-header {
        display: none;
    }
    
    .comparison-row {
        padding: 10px;
        border: 1px solid var(--border-color);
        margin-bottom: 5px;
        border-radius: 8px;
    }
    
    .download-section {
        padding: 40px 20px;
    }
    
    .coming-soon-banner,
    .coming-soon-banner-large {
        font-size: 0.6rem;
        padding: 3px 6px;
    }
    
    .coming-soon-banner-large {
        font-size: 0.7rem;
        padding: 4px 8px;
    }
}

/* Mobile App Page Styles */
.mobile-app-content {
    max-width: 1200px;
    margin: 0 auto;
}

.app-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
    padding: 40px 0;
}

.app-hero-text h1 {
    font-size: 3rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.app-subtitle {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 20px;
    font-weight: 500;
}

.app-description {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-color);
    opacity: 0.9;
    margin-bottom: 40px;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
}

.download-btn {
    display: inline-block;
    transition: var(--transition);
}

.download-btn:hover {
    transform: translateY(-2px);
}

.download-btn-wrapper,
.download-btn-wrapper-large {
    position: relative;
    display: inline-block;
}

.store-badge {
    height: 60px;
    width: auto;
    transition: var(--transition);
}

.store-badge-large {
    height: 80px;
    width: auto;
    transition: var(--transition);
}

.store-badge.disabled,
.store-badge-large.disabled {
    opacity: 0.6;
    filter: grayscale(50%);
    cursor: not-allowed;
    pointer-events: none;
}

.coming-soon-banner,
.coming-soon-banner-large {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, #ff4444, #cc0000);
    color: white;
    font-weight: bold;
    font-size: 0.7rem;
    padding: 4px 8px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    z-index: 10;
    pointer-events: none;
    white-space: nowrap;
}

.coming-soon-banner-large {
    font-size: 0.9rem;
    padding: 6px 12px;
    border-radius: 6px;
}

.coming-soon {
    padding: 12px 20px;
    background: rgba(38, 166, 154, 0.1);
    border: 1px solid rgba(38, 166, 154, 0.3);
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-color);
    margin-top: 10px;
}

.phone-mockup {
    text-align: center;
    position: relative;
}

.hero-screenshot {
    max-width: 300px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border: 8px solid #333;
}

.app-features {
    margin-bottom: 80px;
    text-align: center;
}

.app-features h2 {
    font-size: 2.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 50px;
}

.feature-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-item {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.feature-item .feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.feature-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.app-screenshots {
    margin-bottom: 80px;
}

.app-screenshots h2 {
    text-align: center;
    font-size: 2.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 50px;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

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

.screenshot {
    width: 100%;
    max-width: 200px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    border: 4px solid var(--border-color);
    margin-bottom: 15px;
    transition: var(--transition);
}

.screenshot:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.screenshot-item p {
    font-weight: 500;
    color: var(--text-color);
}

.app-details {
    margin-bottom: 80px;
}

.app-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.app-info-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.app-info-card h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--text-color);
}

.app-info-card ul {
    list-style: none;
    padding: 0;
}

.app-info-card li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
    line-height: 1.5;
}

.app-info-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #26A69A;
    font-weight: bold;
}

.download-section {
    background: var(--card-bg);
    padding: 60px 40px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    text-align: center;
    margin-bottom: 80px;
}

.download-cta h2 {
    font-size: 2.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.download-cta > p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: var(--text-color);
    opacity: 0.9;
}

.download-info {
    margin-bottom: 30px;
}

.app-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 30px;
}

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

.stat-item strong {
    display: block;
    font-size: 1.5rem;
    color: #26A69A;
    margin-bottom: 5px;
}

.stat-item span {
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.8;
}

.requirements {
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.7;
}

.web-vs-mobile {
    margin-bottom: 60px;
}

.web-vs-mobile h2 {
    text-align: center;
    font-size: 2.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 40px;
}

.comparison-table {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.comparison-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    background: var(--primary-gradient);
    color: white;
    font-weight: bold;
    padding: 20px;
}

.comparison-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-row:nth-child(even) {
    background: rgba(38, 166, 154, 0.05);
}

.check {
    color: #4caf50;
    font-weight: bold;
    text-align: center;
}

.partial {
    color: #ff9800;
    font-size: 0.9rem;
    text-align: center;
}

@media (max-width: 768px) {
    .container {
        padding: 16px;
    }
    
    .generator-card {
        padding: 24px;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    .password-display {
        flex-direction: column;
        gap: 12px;
    }
    
    .password-actions {
        width: 100%;
    }
    
    .password-actions .btn {
        flex: 1;
    }
    
    .header {
        flex-direction: column;
        gap: 16px;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .features-list {
        grid-template-columns: 1fr;
    }
    
    .privacy-points {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        margin-right: 8px;
    }
    
    .nav-link {
        padding: 6px 12px;
        font-size: 0.9rem;
    }
    
    .app-hero {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .app-hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-screenshot {
        max-width: 250px;
    }
    
    .app-features h2,
    .app-screenshots h2,
    .download-cta h2,
    .web-vs-mobile h2 {
        font-size: 2rem;
    }
    
    .feature-comparison {
        grid-template-columns: 1fr;
    }
    
    .screenshots-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .app-info-grid {
        grid-template-columns: 1fr;
    }
    
    .app-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .comparison-header {
        display: none;
    }
    
    .comparison-row {
        padding: 10px;
        border: 1px solid var(--border-color);
        margin-bottom: 5px;
        border-radius: 8px;
    }
    
    .download-section {
        padding: 40px 20px;
    }
    
    .coming-soon-banner,
    .coming-soon-banner-large {
        font-size: 0.6rem;
        padding: 3px 6px;
    }
    
    .coming-soon-banner-large {
        font-size: 0.7rem;
        padding: 4px 8px;
    }
}