body{margin:0;font-family:Segoe UI,sans-serif;background-color:#f0f2f5}.app{max-width:800px;margin:2rem auto;padding:2rem;background:#fff;border-radius:12px;box-shadow:0 10px 25px #0000001a}.app-title{text-align:center;font-size:2rem;color:#333;margin-bottom:1.5rem}.upload-section{display:flex;gap:2rem;flex-wrap:wrap;margin-bottom:2rem}.drop-box{flex:1;min-width:260px;padding:1rem;border:2px dashed #ccc;border-radius:8px;text-align:center;background-color:#fafafa;position:relative}.thumb-preview{max-width:100%;max-height:200px;width:auto;height:auto;border-radius:8px;margin-bottom:10px}.remove-btn{background:#e53935;color:#fff;border:none;padding:.5rem 1rem;border-radius:6px;cursor:pointer;transition:background .3s}.remove-btn:hover{background:#c62828}.upload-icon{font-size:2.5rem;margin-bottom:.5rem}.upload-btn{display:inline-block;background:#1976d2;color:#fff;padding:.5rem 1rem;border-radius:6px;margin-top:.5rem;cursor:pointer;font-weight:700;transition:background .3s}.upload-btn:hover{background:#0d47a1}.form-box label{display:block;margin-bottom:1rem}.form-box input,.form-box select,.text-box-area textarea{width:100%;padding:.5rem;margin-top:.25rem;border-radius:6px;border:1px solid #ccc;box-sizing:border-box}.image-display{text-align:center;margin-bottom:2rem}.main-image{max-width:100%;max-height:700px;width:auto;height:auto;border-radius:8px}.placeholder-text{color:#888;font-style:italic}.text-box-area label{display:block;margin-bottom:1rem}.theme1{background-color:#e3f2fd;color:#0277bd}.theme1 .app{background-color:#fff;border-color:#90caf9}.theme1 .app-title{color:#0277bd}.theme2{background-color:#e8f5e9;color:#388e3c}.theme2 .app{background-color:#fff;border-color:#81c784}.theme2 .app-title{color:#388e3c}.theme3{background-color:#f5f5f5;color:#424242}.theme3 .app{background-color:#fff;border-color:#bdbdbd}.theme3 .app-title{color:#424242}