:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{margin:0;padding:0}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.qr-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem;box-sizing:border-box;margin:0 auto;width:100%}.qr-card{background:#344256;border-radius:16px;padding:2.5rem;max-width:500px;width:100%;box-shadow:0 20px 60px #0006}.qr-card h1{margin:0 0 1rem;color:#fff;font-size:28px;font-weight:600;letter-spacing:-.5px}.qr-card p{margin:0 0 1.5rem;color:#a0a8b8;font-size:14px}.qr-input{width:100%;padding:12px 16px;font-size:16px;border:2px solid #3270ce;border-radius:8px;background:#3270ce1a;color:#fff;box-sizing:border-box;transition:all .2s ease;outline:none}.qr-input:focus{border-color:#028c43;box-shadow:0 0 0 3px #028c431a}.qr-input::placeholder{color:#7a8296}.qr-button{width:100%;margin-top:1rem;padding:12px 16px;background:linear-gradient(135deg,#3270ce,#028c43);border:none;color:#fff;font-size:16px;font-weight:600;border-radius:8px;cursor:pointer;transition:all .3s ease}.qr-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 20px #028c434d}.qr-button:disabled{opacity:.5;cursor:not-allowed}.delete-button{background:transparent;border:1px solid rgba(255,255,255,.2);color:#a0a8b8;width:32px;height:32px;border-radius:6px;cursor:pointer;transition:all .2s ease;font-size:16px;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-left:1rem}.delete-button:hover{background:#ff3b301a;border-color:#ff3b3080;color:#ff3b30}.clear-button{width:100%;padding:12px 16px;background:#ff3b301a;border:1px solid rgba(255,59,48,.3);color:#ff6b6b;font-size:14px;font-weight:600;border-radius:8px;cursor:pointer;transition:all .2s ease}.tab-navigation{display:flex;gap:1rem;margin-bottom:2rem;border-bottom:1px solid rgba(255,255,255,.1)}.tab-button{padding:12px 24px;background:transparent;border:none;color:#a0a8b8;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s ease;border-bottom:3px solid transparent;margin-bottom:-1px}.tab-button:hover{color:#fff}.tab-button.active{color:#3270ce;border-bottom-color:#3270ce}.qr-result-box{margin-top:2rem;padding:2rem;background:#ffffff0d;border-radius:12px;border:1px solid rgba(2,140,67,.3);display:flex;flex-direction:column;align-items:center;gap:1rem;animation:fadeIn .3s ease-out}.qr-code-wrapper{background:#fff;padding:1rem;border-radius:8px}.qr-scan-text{margin:0;color:#028c43;font-size:12px;text-align:center;font-weight:500}.empty-state{text-align:center;padding:3rem 1rem;color:#a0a8b8}.empty-state p{margin:0;font-size:16px}.history-list{display:flex;flex-direction:column;gap:1rem;max-height:500px;overflow-y:auto;margin:1.5rem 0;padding-right:.5rem}.history-list::-webkit-scrollbar{width:6px}.history-list::-webkit-scrollbar-track{background:#ffffff0d;border-radius:3px}.history-list::-webkit-scrollbar-thumb{background:#3270ce;border-radius:3px}.history-list::-webkit-scrollbar-thumb:hover{background:#028c43}.history-item{display:flex;align-items:center;justify-content:space-between;background:#ffffff0d;padding:1rem;border-radius:8px;border:1px solid rgba(2,140,67,.2);transition:all .2s ease}.history-item:hover{background:#ffffff14;border-color:#028c4366}.history-content{flex:1;text-align:left}.history-url{margin:0 0 .5rem;color:#fff;font-size:14px;font-weight:500;word-break:break-all}.history-time{margin:0;color:#7a8296;font-size:12px}.history-actions{display:flex;gap:.5rem;align-items:center}.view-qr-button{background:transparent;border:1px solid rgba(255,255,255,.2);color:#a0a8b8;width:32px;height:32px;border-radius:6px;cursor:pointer;transition:all .2s ease;font-size:14px;display:flex;align-items:center;justify-content:center}.view-qr-button:hover{background:#3270ce1a;border-color:#3270ce80;color:#3270ce}.history-buttons{display:flex;gap:.5rem;margin-top:1rem}.clear-button,.export-button{flex:1;padding:12px 16px;font-size:14px;font-weight:600;border-radius:8px;cursor:pointer;transition:all .2s ease}.clear-button{background:#ff3b301a;border:1px solid rgba(255,59,48,.3);color:#ff6b6b}.clear-button:hover{background:#ff3b3033;border-color:#ff3b3080}.export-button{background:#3270ce1a;border:1px solid rgba(50,112,206,.3);color:#3270ce}.export-button:hover{background:#3270ce33;border-color:#3270ce80}.modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.modal-content{background:#344256;padding:2rem;border-radius:16px;max-width:400px;width:100%;text-align:center;box-shadow:0 20px 60px #0006;border:1px solid rgba(255,255,255,.1)}.modal-content h3{margin:0 0 1.5rem;color:#fff;font-size:24px;font-weight:600}.modal-close{margin-top:1rem;padding:10px 20px;background:#3270ce;color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:14px;font-weight:600;transition:all .2s ease}.modal-close:hover{background:#285bb0;transform:translateY(-1px)}.qr-url{margin:1rem 0 0;color:#a0a8b8;font-size:12px;word-break:break-all;background:#ffffff0d;padding:.5rem;border-radius:6px}.export-qr-button{padding:10px 16px;background:#3270ce1a;border:1px solid rgba(50,112,206,.3);color:#3270ce;font-size:14px;font-weight:600;border-radius:8px;cursor:pointer;transition:all .2s ease;margin-top:.5rem}.export-qr-button:hover{background:#3270ce33;border-color:#3270ce80;transform:translateY(-1px)}