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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    /* 모바일 최적화 */
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 모바일 반응형 */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .header {
        padding: 20px;
        margin-bottom: 30px;
    }
    
    .logo {
        flex-direction: column;
        gap: 15px;
    }
    
    .app-icon {
        width: 50px;
        height: 50px;
    }
    
    .header h1 {
        font-size: 1.8rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
}

/* Header Styles */
.header {
    text-align: center;
    margin-bottom: 40px;
    background: rgba(255, 255, 255, 0.95);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 10px;
}

.app-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.header h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    font-weight: 700;
    margin: 0;
}

.subtitle {
    color: #7f8c8d;
    font-size: 1.1rem;
    margin: 0;
}

/* Main Content */
.main {
    flex: 1;
    background: rgba(255, 255, 255, 0.95);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

/* Legal Links Grid */
.legal-links h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 30px;
    font-size: 2rem;
}

.link-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.legal-link {
    display: block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.legal-link:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.link-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.legal-link h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: white;
}

.legal-link p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
}

/* App Info */
.app-info {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
    border-left: 5px solid #667eea;
}

.app-info h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.info-item {
    padding: 10px 0;
    border-bottom: 1px solid #e9ecef;
}

.info-item:last-child {
    border-bottom: none;
}

.info-item strong {
    color: #495057;
    display: inline-block;
    width: 80px;
}

/* Legal Content */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.back-link {
    margin-bottom: 30px;
}

.back-link a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    padding: 10px 20px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 25px;
    transition: all 0.3s ease;
}

.back-link a:hover {
    background: rgba(102, 126, 234, 0.2);
    transform: translateX(-5px);
}

.content-section {
    margin-bottom: 40px;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 15px;
    border-left: 5px solid #667eea;
}

.content-section h2 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.8rem;
    border-bottom: 2px solid #e9ecef;
    padding-bottom: 10px;
}

.content-section h3 {
    color: #495057;
    margin: 25px 0 15px 0;
    font-size: 1.3rem;
}

.content-section p {
    margin-bottom: 15px;
    color: #6c757d;
    line-height: 1.8;
}

.content-section ul {
    margin: 15px 0;
    padding-left: 25px;
}

.content-section li {
    margin-bottom: 8px;
    color: #6c757d;
    line-height: 1.6;
}

.effective-date {
    background: #e3f2fd;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    color: #1976d2;
    font-weight: 600;
    margin-top: 30px;
}

/* Footer */
.footer {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.footer p {
    color: #6c757d;
    margin-bottom: 5px;
}

.footer p:last-child {
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .header {
        padding: 20px;
    }
    
    .logo {
        flex-direction: column;
        gap: 15px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .main {
        padding: 20px;
    }
    
    .link-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .content-section {
        padding: 20px;
    }
    
    .content-section h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.8rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .legal-link {
        padding: 20px;
    }
    
    .link-icon {
        font-size: 2.5rem;
    }
    
    .legal-link h3 {
        font-size: 1.3rem;
    }
}