:root{--bg-app: #f0f2f5;--text-main: #1d1d1f;--text-muted: #86868b;--glass-bg: rgba(255, 255, 255, .65);--glass-border: rgba(255, 255, 255, .8);--glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, .07);--primary: #f59e0b;--primary-text: #78350f;--danger: #ef4444;--danger-bg: #fecaca;--success: #10b981;--radius: 20px}.menu-overlay{position:fixed;inset:0;background:#0003;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:all .3s cubic-bezier(.4,0,.2,1);z-index:100}.menu-overlay.is-open{opacity:1;visibility:visible}.menu-drawer{position:fixed;bottom:0;left:0;right:0;background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--glass-border);border-top-left-radius:32px;border-top-right-radius:32px;box-shadow:0 -10px 40px #0000001a;transform:translateY(100%);transition:transform .4s cubic-bezier(.32,.72,0,1);z-index:101;max-width:500px;margin:0 auto;padding-bottom:env(safe-area-inset-bottom,20px)}.menu-drawer.is-open{transform:translateY(0)}.menu-handle{width:40px;height:5px;background:#0000001a;border-radius:10px;margin:12px auto}.menu-content{padding:0 24px 24px}.menu-title{font-size:1.5rem;color:var(--text-main);margin-bottom:24px;text-transform:none;letter-spacing:-.01em}.menu-item{display:flex;align-items:center;gap:16px;padding:16px;background:#ffffff80;border-radius:20px;margin-bottom:12px;border:1px solid rgba(0,0,0,.05);transition:transform .1s}.menu-item:active{transform:scale(.98)}.menu-item.placeholder{opacity:.7}.menu-item-icon{font-size:1.5rem}.menu-item-text{display:flex;flex-direction:column}.menu-item-label{font-weight:600;color:var(--text-main)}.menu-item-status{font-size:.75rem;color:var(--text-muted)}.menu-footer{margin-top:32px;text-align:center;font-size:.8rem;color:var(--text-muted)}.btn-icon{background:var(--glass-bg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--glass-border);width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 12px #0000000d;transition:transform .1s;font-size:1.2rem}.btn-icon:active{transform:scale(.92)}.view-container{min-height:100vh;padding:24px;animation:slideIn .3s cubic-bezier(.32,.72,0,1)}@keyframes slideIn{0%{transform:translate(30px);opacity:0}to{transform:translate(0);opacity:1}}.view-header{display:flex;align-items:center;gap:16px;margin-bottom:32px}.btn-back{background:none;border:none;font-size:1.5rem;color:var(--text-main);cursor:pointer;padding:8px;display:flex;align-items:center;justify-content:center;border-radius:12px;transition:background .2s}.btn-back:active{background:#0000000d}.view-title{font-size:1.8rem;margin:0;text-transform:none;color:var(--text-main);background:none;-webkit-text-fill-color:initial}.view-content{padding-bottom:40px}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 24px;text-align:center;background:var(--glass-bg);border-radius:32px;border:1px solid var(--glass-border)}.empty-state-icon{font-size:4rem;margin-bottom:16px}.status-tag{display:inline-block;padding:4px 12px;background:#f59e0b1a;color:var(--primary);border-radius:100px;font-size:.75rem;font-weight:600;margin-top:12px}.calc-container{background:#1d1d1f;padding:24px;border-radius:32px;box-shadow:0 20px 40px #0003}.calc-display{background:#2c2c2e;color:#fff;font-size:3rem;text-align:right;padding:20px;border-radius:16px;margin-bottom:24px;font-family:monospace;min-height:80px;display:flex;align-items:center;justify-content:flex-end}.calc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.calc-btn{background:#3a3a3c;border:none;color:#fff;font-size:1.5rem;font-weight:600;height:64px;border-radius:16px;cursor:pointer;transition:background .2s}.calc-btn:active{background:#48484a}.calc-btn-clear{background:#ef4444}.calc-btn-clear:active{background:#dc2626}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:radial-gradient(circle at 50% 0%,#eef2ff,#f0f2f5);color:var(--text-main);margin:0;-webkit-font-smoothing:antialiased;padding-bottom:60px;min-height:100vh}#root{max-width:500px;margin:0 auto;padding:1.5rem}h1{font-size:2.2rem;font-weight:700;margin:0;letter-spacing:-.02em;background:linear-gradient(135deg,#1d1d1f,#4a4a4a);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}h2{font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:1rem}.subtitle{color:var(--text-muted);font-size:1rem;margin-top:4px;font-weight:500}.card{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow);border-radius:var(--radius);padding:1.5rem;margin-bottom:1.5rem}.hero-input{display:flex;flex-direction:column;align-items:center;gap:1rem}.big-input{background:#ffffff80;border:1px solid rgba(0,0,0,.1);box-shadow:inset 0 2px 4px #00000005;font-size:3.5rem;font-weight:700;color:var(--text-main);text-align:center;width:100%;border-radius:var(--radius);padding:1rem;transition:all .2s;outline:none}.big-input:focus{border-color:var(--primary);background:#fff}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,#d97706 100%);color:#fff;border:none;font-size:1.1rem;font-weight:600;padding:18px;border-radius:var(--radius);width:100%;cursor:pointer;box-shadow:0 4px 12px #f59e0b4d;transition:transform .1s,box-shadow .2s}.btn-primary:active{transform:scale(.98)}.btn-primary:disabled{opacity:.6;cursor:wait}.btn-danger{background:#ef44441a;color:var(--danger);border:none;padding:14px;border-radius:var(--radius);width:100%;font-weight:600;cursor:pointer}.product-grid{display:grid;gap:12px}.product-card{background:#ffffff80;padding:16px;border-radius:16px;display:flex;justify-content:space-between;align-items:center;border:1px solid rgba(0,0,0,.05)}.product-name{font-weight:600;font-size:1.05rem;color:var(--text-main)}.product-cat{font-size:.8rem;color:var(--text-muted)}.qty-pill{background:#f59e0b26;color:#b45309;font-weight:700;font-size:1.2rem;padding:8px 16px;border-radius:12px;min-width:40px;text-align:center}.stepper-row{display:flex;justify-content:space-between;align-items:center;background:#fff6;padding:8px 12px;border-radius:16px;margin-bottom:10px;border:1px solid transparent;transition:border-color .2s}.stepper-row.is-negative{border-color:var(--danger-bg);background:#fecaca33}.stepper-controls{display:flex;align-items:center;gap:8px;background:#fff;padding:4px;border-radius:12px;box-shadow:0 2px 8px #0000000d}.btn-step{width:32px;height:32px;border-radius:8px;border:none;background:#f5f5f7;color:var(--text-main);font-size:1.2rem;font-weight:500;display:flex;align-items:center;justify-content:center;cursor:pointer}.btn-step:active{background:#e5e5ea}.stepper-value{font-size:1rem;font-weight:600;width:40px;text-align:center}.val-pos{color:var(--text-muted)}.val-neg{color:var(--danger);font-weight:800}.history-card{display:flex;flex-direction:column;gap:12px}.history-card-header{display:flex;justify-content:space-between;align-items:center}.history-date{font-weight:700;font-size:1.1rem}.history-stats{display:flex;gap:16px;font-size:.9rem;color:var(--text-muted)}.history-actions{display:flex;gap:8px;margin-top:8px}.btn-small{padding:8px 12px;font-size:.85rem;border-radius:12px;cursor:pointer;border:none;font-weight:600;transition:transform .1s}.btn-small:active{transform:scale(.95)}.btn-edit{background:#0000000d;color:var(--text-main)}.btn-delete{background:#ef44441a;color:var(--danger)}.pagination{display:flex;justify-content:center;align-items:center;gap:20px;margin-top:24px}.btn-pagination{background:var(--glass-bg);border:1px solid var(--glass-border);padding:10px 20px;border-radius:14px;font-weight:600;cursor:pointer}.btn-pagination:disabled{opacity:.3;cursor:not-allowed}.modal-overlay{position:fixed;inset:0;background:#0006;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:flex-end;justify-content:center;z-index:200;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-container{background:var(--bg-app);width:100%;max-width:500px;max-height:90vh;border-top-left-radius:32px;border-top-right-radius:32px;padding:24px;overflow-y:auto;box-shadow:0 -10px 40px #0003;animation:slideUp .4s cubic-bezier(.32,.72,0,1)}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.modal-title{font-size:1.5rem;font-weight:700;margin:0}.btn-close{background:none;border:none;font-size:1.5rem;cursor:pointer}.modal-section{margin-bottom:24px}.modal-section-title{font-size:.9rem;font-weight:600;text-transform:uppercase;color:var(--text-muted);margin-bottom:12px;display:block}.input-group{margin-bottom:16px}.input-label{display:block;font-size:.9rem;margin-bottom:6px;font-weight:500}.modal-input{width:100%;padding:12px;border-radius:12px;border:1px solid rgba(0,0,0,.1);font-size:1rem;background:#fff}.log-edit-row{display:grid;grid-template-columns:1fr 80px 80px;gap:12px;align-items:center;margin-bottom:12px}.log-product-name{font-weight:600;font-size:.9rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}