body{margin:0;font-family:Open Sans,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f7fafc}img{image-rendering:auto!important}body{background-color:#f0f2f5;font-family:Segoe UI,sans-serif;margin:0}.app-container{max-width:1200px;margin:0 auto;padding:2rem}.app-header{text-align:center;margin-bottom:2rem}.app-title{font-size:2.5rem;color:#2c3e50}.template-selector{margin-bottom:2rem}.template-selector label{font-size:1.2rem;margin-right:10px;color:#566573}.template-selector select{padding:10px;font-size:1rem;border-radius:5px;border:1px solid #ccc}.main-layout{display:grid;grid-template-columns:1fr 1.2fr;gap:2rem}.card{background:#fff;padding:2rem;border-radius:8px;box-shadow:0 4px 15px #00000014}.card-header{display:flex;justify-content:space-between;align-items:center}.card-title{margin-bottom:0;border-bottom:none}.card-header-wrapper{margin-bottom:1.5rem;border-bottom:2px solid #EAECEE;padding-bottom:10px}.form-group{margin-bottom:1.2rem}.form-group label{display:block;font-weight:600;color:#5d6d7e;margin-bottom:5px}.form-group input,.form-group select{width:100%;padding:10px;border:1px solid #D5DBDB;border-radius:4px;box-sizing:border-box}.social-title{font-size:1.2rem;margin-top:2rem;margin-bottom:1rem;color:#16a085}.preview-box{border:1px solid #e2e8f0;background-color:#f9fafb;padding:1.5rem;border-radius:5px;min-height:150px;overflow-x:auto}.code-display{width:100%;min-height:150px;padding:1rem;border:1px solid #ccc;border-radius:5px;background:#2d3748;color:#f7fafc;font-family:Courier New,monospace;box-sizing:border-box}.copy-button{padding:8px 16px;font-size:.9rem;font-weight:600;color:#fff;background-color:#3498db;border:none;border-radius:5px;cursor:pointer;transition:background-color .2s ease-in-out}.copy-button:hover{background-color:#2980b9}.copy-button.copied{background-color:#2ecc71;cursor:default}.copy-button:disabled{background-color:#bdc3c7;cursor:not-allowed}.copy-button:disabled:hover{background-color:#bdc3c7}.form-group .input-error{border-color:#e74c3c;box-shadow:0 0 0 1px #e74c3c}.form-group .error-message{color:#e74c3c;font-size:.85rem;margin-top:5px;display:block}@media (max-width: 900px){.main-layout{grid-template-columns:1fr}}