: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;display:flex;place-items:center;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}}*{box-sizing:border-box;margin:0;padding:0}.app{min-height:100vh;display:flex;flex-direction:column;background:linear-gradient(135deg,#667eea,#764ba2)}.app-header{background:#fffffff2;padding:20px;text-align:center;box-shadow:0 2px 10px #0000001a;position:relative}.app-header h1{font-size:32px;color:#333;margin-bottom:8px}.app-tagline{color:#666;font-size:14px}.settings-button{position:absolute;top:20px;right:20px;padding:10px 20px;background:#667eea;color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:16px;transition:background .3s}.settings-button:hover{background:#5568d3}.app-main{flex:1;padding:20px;max-width:1200px;margin:0 auto;width:100%}.scanner-section{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 20px #0000001a}.scanner-section h2{text-align:center;margin-bottom:20px;color:#333}.loading{background:#fff;border-radius:12px;padding:40px;text-align:center;box-shadow:0 4px 20px #0000001a}.spinner{width:60px;height:60px;border:6px solid #f3f3f3;border-top:6px solid #667eea;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 20px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.rescan-button{display:block;width:100%;max-width:300px;margin:20px auto;padding:16px;background:#667eea;color:#fff;border:none;border-radius:12px;font-size:18px;font-weight:700;cursor:pointer;box-shadow:0 4px 10px #667eea4d;transition:all .3s}.rescan-button:hover{background:#5568d3;transform:translateY(-2px);box-shadow:0 6px 15px #667eea66}.app-footer{background:#fffffff2;padding:20px;text-align:center;margin-top:auto}.app-footer p{color:#666;font-size:14px;margin:4px 0}.footer-hint{font-size:12px;color:#999}.language-selector-dropdown{margin:12px 0}.language-select{width:100%;padding:12px 16px;font-size:16px;border:2px solid #ddd;border-radius:8px;background:#fff;cursor:pointer;transition:border-color .3s}.language-select:hover{border-color:#667eea}.language-select:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.setting-hint{font-size:12px;color:#666;margin-top:8px;line-height:1.4}.notification-settings{display:flex;flex-direction:column;gap:12px}.notification-settings .checkbox-label{padding:8px 12px;background:#f8f9fa;border-radius:6px;transition:background .2s}.notification-settings .checkbox-label:hover{background:#e9ecef}.notification-settings .sub-setting{margin-left:24px;background:#fff;border:1px solid #dee2e6}.notification-settings .sub-setting:hover{border-color:#adb5bd}