*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #818cf8;--secondary: #8b5cf6;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--background: #f8fafc;--surface: #ffffff;--text-primary: #1e293b;--text-secondary: #64748b;--text-muted: #94a3b8;--border: #e2e8f0;--shadow: rgba(0, 0, 0, .1);--shadow-lg: rgba(0, 0, 0, .2);--radius: 12px;--radius-sm: 8px;--transition: all .3s cubic-bezier(.4, 0, .2, 1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--background);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}#root{min-height:100vh}.container{max-width:600px;margin:0 auto;min-height:100vh;background:var(--surface);position:relative}.header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);color:#fff;box-shadow:0 4px 6px var(--shadow);position:sticky;top:0;z-index:100}.logo{display:flex;align-items:center;gap:.75rem;font-size:1.25rem;font-weight:700;margin:0}.logo svg{animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.8;transform:scale(1.05)}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.875rem 1.5rem;border:none;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;transition:var(--transition);text-decoration:none;white-space:nowrap;-webkit-tap-highlight-color:transparent}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);color:#fff;box-shadow:0 4px 12px #6366f14d}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #6366f166}.btn-secondary{background:var(--surface);color:var(--primary);border:2px solid var(--border)}.btn-secondary:hover:not(:disabled){border-color:var(--primary);background:#6366f10d}.btn-large{padding:1.25rem 2rem;font-size:1.125rem}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-icon{background:#fff3;color:#fff;border:none;border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition)}.btn-icon:hover{background:#ffffff4d}.btn-back{background:transparent;border:none;color:var(--text-primary);cursor:pointer;padding:.5rem;display:flex;align-items:center;justify-content:center;transition:var(--transition)}.btn-back:hover{color:var(--primary);transform:translate(-4px)}.screen{animation:fadeIn .3s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.main-screen{padding:2rem 1.5rem;text-align:center}.hero{margin-bottom:3rem}.icon-large{margin:0 auto 1.5rem;width:120px;height:120px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#6366f11a,#8b5cf61a);border-radius:50%;color:var(--primary)}.hero h2{font-size:1.875rem;margin-bottom:.5rem;color:var(--text-primary)}.hero p{color:var(--text-secondary);font-size:1rem}.action-buttons{display:flex;flex-direction:column;gap:1rem}.result-container{padding:1.5rem}.result-card{background:var(--surface);border-radius:var(--radius);padding:1.5rem;box-shadow:0 2px 8px var(--shadow);margin-bottom:1rem}.result-found{text-align:center;margin-bottom:2rem}.result-found .icon-success{width:80px;height:80px;margin:0 auto 1rem;background:#10b9811a;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--success)}.result-found h3{font-size:1.5rem;margin-bottom:.5rem;color:var(--success)}.result-info{background:var(--background);padding:1rem;border-radius:var(--radius-sm);margin-bottom:1rem}.result-info-row{display:flex;justify-content:space-between;padding:.75rem 0;border-bottom:1px solid var(--border)}.result-info-row:last-child{border-bottom:none}.result-info-label{color:var(--text-secondary);font-weight:500}.result-info-value{color:var(--text-primary);font-weight:600;text-align:right}.box-badge{display:inline-block;background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);color:#fff;padding:.5rem 1rem;border-radius:var(--radius-sm);font-size:1.25rem;font-weight:700;margin:1rem 0}.similarity-badge{display:inline-flex;align-items:center;gap:.5rem;background:#10b9811a;color:var(--success);padding:.5rem 1rem;border-radius:var(--radius-sm);font-weight:600}.new-item-form{margin-top:1.5rem}.form-group{margin-bottom:1.25rem;text-align:left}.form-label{display:block;margin-bottom:.5rem;color:var(--text-primary);font-weight:600;font-size:.875rem}.form-input{width:100%;padding:.875rem;border:2px solid var(--border);border-radius:var(--radius-sm);font-size:1rem;transition:var(--transition);font-family:inherit}.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #6366f11a}.form-textarea{min-height:100px;resize:vertical}.extracted-text-box{background:var(--background);padding:1rem;border-radius:var(--radius-sm);border-left:4px solid var(--primary);font-size:.875rem;color:var(--text-secondary);max-height:150px;overflow-y:auto;white-space:pre-wrap;word-break:break-word}.form-actions{display:flex;gap:1rem;margin-top:1.5rem}.form-actions .btn{flex:1}.screen-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:60px;z-index:10}.screen-header h2{font-size:1.25rem;margin:0}.search-box{display:flex;align-items:center;gap:.75rem;padding:.875rem 1rem;margin:1rem 1.5rem;background:var(--background);border:2px solid var(--border);border-radius:var(--radius);transition:var(--transition)}.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px #6366f11a}.search-box svg{color:var(--text-muted);flex-shrink:0}.search-box input{flex:1;border:none;background:transparent;font-size:1rem;outline:none;font-family:inherit}.items-list{padding:0 1.5rem 1.5rem}.item-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;margin-bottom:1rem;transition:var(--transition);cursor:pointer}.item-card:hover{border-color:var(--primary);box-shadow:0 4px 12px var(--shadow);transform:translateY(-2px)}.item-card-header{display:flex;justify-content:space-between;align-items:start;margin-bottom:.75rem;gap:1rem}.item-name{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin:0}.item-box{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);color:#fff;padding:.25rem .75rem;border-radius:var(--radius-sm);font-size:.875rem;font-weight:600;white-space:nowrap;flex-shrink:0}.item-description{color:var(--text-secondary);font-size:.875rem;margin-bottom:.5rem;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.item-meta{display:flex;align-items:center;gap:.5rem;color:var(--text-muted);font-size:.75rem}.stats-content{padding:1.5rem}.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-bottom:2rem}.stat-card{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);color:#fff;padding:1.5rem;border-radius:var(--radius);text-align:center}.stat-value{font-size:2.5rem;font-weight:700;margin-bottom:.25rem}.stat-label{font-size:.875rem;opacity:.9}.recent-items-list h3{margin-bottom:1rem;color:var(--text-primary)}.loading-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000c;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:9999;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.spinner{width:60px;height:60px;border:4px solid rgba(255,255,255,.2);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay p{color:#fff;margin-top:1rem;font-size:1.125rem;font-weight:500}.toast-container{position:fixed;bottom:2rem;left:50%;transform:translate(-50%);z-index:10000;display:flex;flex-direction:column;gap:.5rem;pointer-events:none;max-width:90vw}.toast{background:var(--text-primary);color:#fff;padding:1rem 1.5rem;border-radius:var(--radius);box-shadow:0 4px 12px var(--shadow-lg);animation:slideUp .3s ease-out;pointer-events:auto}.toast.success{background:var(--success)}.toast.error{background:var(--danger)}.toast.warning{background:var(--warning)}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.empty-state{text-align:center;padding:3rem 1.5rem;color:var(--text-muted)}.empty-state svg{width:80px;height:80px;margin-bottom:1rem;opacity:.5}.empty-state p{font-size:1.125rem}@media (min-width: 768px){.container{box-shadow:0 0 20px var(--shadow)}}@media (max-width: 480px){.hero h2{font-size:1.5rem}.btn-large{padding:1rem 1.5rem;font-size:1rem}.stats-grid{grid-template-columns:1fr}}.connection-status{padding:.5rem 1rem;text-align:center;font-size:.875rem;font-weight:500}.connection-status.connected{background:#10b9811a;color:var(--success)}.connection-status.disconnected{background:#ef44441a;color:var(--danger)}.hidden{display:none!important}.text-center{text-align:center}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}