:root{--bg:#0b0b0c;--bg-raised:#18181b;--border:#2a2a2e;--text:#f5f5f5;--text-muted:#9a9aa2;--accent:#f5f5f5;--danger:#ff5c5c;--success:#4ade80;--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px)}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);-webkit-tap-highlight-color:transparent;overscroll-behavior-y:contain;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}button{font:inherit;color:inherit}.splash{text-align:center;height:100dvh;color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:24px;display:flex}.splash-title{color:var(--text);margin:0;font-size:20px;font-weight:700}.splash-hint{margin:0;font-size:14px}.page{min-height:100dvh;padding:calc(var(--safe-top) + 20px) 20px calc(var(--safe-bottom) + 20px);flex-direction:column;display:flex}.page-center{text-align:center;justify-content:center;align-items:center;gap:16px}.page-title{margin:0;font-size:22px;font-weight:800}.page-hint{color:var(--text-muted);margin:0;font-size:14px}.btn-huge{letter-spacing:.02em;cursor:pointer;background:var(--bg-raised);width:100%;max-width:340px;min-height:88px;color:var(--text);border:none;border:1px solid var(--border);border-radius:20px;font-size:22px;font-weight:800}.btn-huge:disabled{opacity:.4;cursor:not-allowed}.btn-huge-primary{background:var(--accent);color:#0b0b0c;border:none}.btn-huge-secondary{border:1px solid var(--border);width:100%;max-width:340px;min-height:56px;color:var(--text);cursor:pointer;background:0 0;border-radius:16px;font-size:16px;font-weight:600}.link-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;align-items:center;gap:4px;padding:8px;font-size:14px;display:inline-flex}.error-text{color:var(--danger);margin:0;font-size:14px}@keyframes spin{to{transform:rotate(360deg)}}.spin{animation:1s linear infinite spin}.login-form{flex-direction:column;align-items:center;gap:14px;width:100%;display:flex}.login-input{border:1px solid var(--border);background:var(--bg-raised);width:100%;max-width:340px;min-height:56px;color:var(--text);text-align:center;border-radius:14px;padding:0 16px;font-size:20px}.home-top{top:calc(var(--safe-top) + 16px);justify-content:space-between;align-items:center;display:flex;position:absolute;left:20px;right:20px}.home-seller{color:var(--text-muted);font-size:14px;font-weight:600}.page-center>.btn-huge-secondary{margin-top:4px}.scan-page{flex-direction:column;height:100dvh;display:flex}.scan-top{background:#000;flex:0 0 46%;position:relative;overflow:hidden}.scanner,.scanner-video{object-fit:cover;width:100%;height:100%}.scanner-error{text-align:center;color:var(--text);background:#000000d9;justify-content:center;align-items:center;padding:24px;font-size:14px;display:flex;position:absolute;inset:0}.scan-back{top:calc(var(--safe-top) + 12px);color:#fff;cursor:pointer;background:#0000008c;border:none;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;display:flex;position:absolute;left:12px}.scan-toast{color:#06240f;white-space:nowrap;background:#4ade80f2;border-radius:999px;padding:8px 16px;font-size:14px;font-weight:700;position:absolute;bottom:12px;left:50%;transform:translate(-50%)}.scan-toast-error{color:#2a0a0a;background:#ff5c5cf2}.scan-bottom{border-top:1px solid var(--border);flex-direction:column;flex:1;min-height:0;display:flex}.scan-cart-scroll{flex:1;padding:12px 16px;overflow-y:auto}.cart-empty{color:var(--text-muted);text-align:center;margin-top:32px;font-size:15px}.cart-list{flex-direction:column;gap:10px;display:flex}.cart-row{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;padding:10px 0;display:flex}.cart-row-main{flex-direction:column;min-width:0;display:flex}.cart-row-name{text-overflow:ellipsis;white-space:nowrap;font-size:15px;font-weight:600;overflow:hidden}.cart-row-price{color:var(--text-muted);font-size:13px}.cart-row-actions{flex:none;align-items:center;gap:6px;display:flex}.cart-qty-btn,.cart-remove-btn{border:1px solid var(--border);background:var(--bg-raised);width:36px;height:36px;color:var(--text);cursor:pointer;border-radius:10px;justify-content:center;align-items:center;display:flex}.cart-remove-btn{color:var(--danger);background:0 0;border-color:#0000}.cart-qty{text-align:center;min-width:20px;font-weight:700}.scan-footer{padding:12px 16px calc(var(--safe-bottom) + 12px);border-top:1px solid var(--border);flex:none;justify-content:space-between;align-items:center;gap:12px;display:flex}.scan-total{font-size:20px;font-weight:800}.scan-footer .btn-huge{flex:1;max-width:none;min-height:64px;font-size:18px}.checkout-page{gap:24px}.checkout-top{justify-content:space-between;align-items:center;display:flex}.checkout-total{font-size:24px;font-weight:800}.tip-row{gap:8px;display:flex}.tip-btn{border:1px solid var(--border);background:var(--bg-raised);min-height:48px;color:var(--text);cursor:pointer;border-radius:12px;flex:1;font-weight:700}.tip-btn-active{background:var(--accent);color:#0b0b0c;border-color:var(--accent)}.pay-method-row{gap:12px;margin-top:auto;display:flex}.pay-method-btn{border:1px solid var(--border);background:var(--bg-raised);min-height:120px;color:var(--text);cursor:pointer;border-radius:20px;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:10px;font-size:16px;font-weight:700;display:flex}.pay-method-btn:disabled{opacity:.5}.cash-calc{flex-direction:column;align-items:center;gap:16px;display:flex}.cash-suggestions{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.cash-suggestion-btn{border:1px solid var(--border);background:var(--bg-raised);min-height:44px;color:var(--text);cursor:pointer;border-radius:12px;padding:0 16px;font-weight:700}.cash-input-label{color:var(--text-muted);font-size:13px}.cash-input{text-align:center;border:1px solid var(--border);background:var(--bg-raised);width:100%;max-width:260px;min-height:64px;color:var(--text);border-radius:16px;font-size:28px;font-weight:800}.cash-change{flex-direction:column;justify-content:center;align-items:center;gap:2px;min-height:56px;display:flex}.cash-change-placeholder{color:var(--text-muted);font-size:14px}.cash-change-short{color:var(--danger);font-weight:700}.cash-change-label{color:var(--text-muted);font-size:13px}.cash-change-value{color:var(--success);font-size:32px;font-weight:800}.payment-qr{flex-direction:column;align-items:center;gap:12px;margin:auto 0;display:flex}.payment-qr canvas{background:#fff;border-radius:16px;padding:12px}.payment-waiting{color:var(--text-muted);align-items:center;gap:8px;font-size:14px;display:flex}.payment-instructions{color:var(--text-muted);text-align:center;max-width:300px;font-size:13px}.paid-check{color:var(--success);margin:0;font-size:64px;line-height:1}.scan-add{top:calc(var(--safe-top) + 12px);color:#fff;cursor:pointer;background:#0000008c;border:none;border-radius:999px;align-items:center;gap:6px;height:44px;padding:0 16px;font-weight:700;display:flex;position:absolute;right:12px}.scan-catalog-error{color:#ffd36e;background:#ffc80024;flex:none;align-items:center;gap:8px;padding:8px 16px;font-size:13px;font-weight:600;display:flex}.scan-catalog-error button{color:inherit;cursor:pointer;background:0 0;border:1px solid;border-radius:8px;margin-left:auto;padding:4px 10px;font-weight:700}.picker-overlay{z-index:50;background:#000000b3;align-items:flex-end;display:flex;position:fixed;inset:0}.picker{background:var(--bg-raised);width:100%;max-height:82dvh;padding:16px 16px calc(var(--safe-bottom) + 16px);border-radius:20px 20px 0 0;flex-direction:column;display:flex}.picker-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.picker-title{margin:0;font-size:20px;font-weight:800}.picker-close{background:var(--bg);width:40px;height:40px;color:var(--text);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;display:flex}.picker-search{background:var(--bg);border:1px solid var(--border);min-height:48px;color:var(--text-muted);border-radius:12px;align-items:center;gap:8px;margin-bottom:12px;padding:0 12px;display:flex}.picker-search input{color:var(--text);background:0 0;border:none;outline:none;flex:1;font-size:16px}.picker-error{color:#ffd36e;margin-bottom:12px;font-size:13px}.picker-error button{color:inherit;cursor:pointer;background:0 0;border:none;text-decoration:underline}.picker-list{flex-direction:column;gap:8px;display:flex;overflow-y:auto}.picker-item{border:1px solid var(--border);background:var(--bg);min-height:56px;color:var(--text);cursor:pointer;border-radius:12px;justify-content:space-between;align-items:center;gap:12px;padding:0 16px;font-size:16px;font-weight:600;display:flex}.picker-item-name{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.picker-item-price{color:var(--text-muted);flex:none}.picker-empty{color:var(--text-muted);text-align:center;padding:24px}.picker-added{top:calc(var(--safe-top) + 16px);color:#06240f;z-index:60;white-space:nowrap;background:#4ade80f2;border-radius:999px;padding:10px 18px;font-size:14px;font-weight:700;position:fixed;left:50%;transform:translate(-50%)}.error-banner{border:1px solid var(--danger);color:var(--danger);background:#ff5c5c1f;border-radius:12px;align-items:center;gap:8px;padding:12px 16px;font-size:14px;font-weight:600;display:flex}.error-banner-dismiss{color:inherit;cursor:pointer;background:0 0;border:1px solid;border-radius:8px;margin-left:auto;padding:4px 10px;font-weight:700}.payment-actions{flex-direction:column;gap:10px;width:100%;max-width:340px;margin-top:8px;display:flex}.payment-error{color:var(--danger);align-items:center;gap:6px;margin:0;font-size:13px;display:flex}