:root{--primary: #4f46e5;--primary-dark: #4338ca;--bg: #f8fafc;--card: #ffffff;--text: #1e293b;--text-muted: #64748b;--border: #e2e8f0;--success: #22c55e;--danger: #ef4444}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;-webkit-tap-highlight-color:transparent}.app{max-width:480px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column}.header{background:var(--primary);color:#fff;padding:16px;position:sticky;top:0;z-index:100}.header h1{font-size:18px;font-weight:600}.header-row{display:flex;justify-content:space-between;align-items:center}.card{background:var(--card);border-radius:12px;padding:16px;margin:12px 16px;box-shadow:0 1px 3px #0000001a}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:14px;font-weight:500;margin-bottom:6px;color:var(--text-muted)}.form-group input,.form-group select{width:100%;padding:12px;font-size:16px;border:1px solid var(--border);border-radius:8px;background:#fff;-webkit-appearance:none}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--primary)}.btn{display:block;width:100%;padding:14px;font-size:16px;font-weight:600;border:none;border-radius:8px;cursor:pointer;text-align:center;text-decoration:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:active{background:var(--primary-dark)}.btn-primary:disabled{background:var(--text-muted);cursor:not-allowed}.btn-secondary{background:var(--border);color:var(--text)}.btn-danger{background:var(--danger);color:#fff}.btn-success{background:var(--success);color:#fff}.link{color:var(--primary);text-decoration:none;font-weight:500}.search-box{position:relative;margin:12px 16px}.search-box input{width:100%;padding:14px 16px;font-size:16px;border:1px solid var(--border);border-radius:12px;background:#fff}.search-results{background:#fff;border-radius:12px;margin:0 16px;box-shadow:0 4px 12px #00000026;max-height:300px;overflow-y:auto}.search-item{padding:12px 16px;border-bottom:1px solid var(--border);cursor:pointer}.search-item:active{background:var(--bg)}.search-item:last-child{border-bottom:none}.search-item-code{font-size:12px;color:var(--text-muted)}.search-item-name{font-size:14px;margin-top:2px}.cart-item{padding:12px 0;border-bottom:1px solid var(--border)}.cart-item:last-child{border-bottom:none}.cart-item-header{display:flex;justify-content:space-between;align-items:flex-start}.cart-item-name{font-size:14px;flex:1;padding-right:8px}.cart-item-remove{color:var(--danger);background:none;border:none;font-size:20px;cursor:pointer;padding:0 4px}.cart-item-controls{display:flex;align-items:center;gap:12px;margin-top:8px}.qty-control{display:flex;align-items:center;gap:8px}.qty-btn{width:32px;height:32px;border-radius:8px;border:1px solid var(--border);background:#fff;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center}.qty-btn:active{background:var(--bg)}.qty-value{font-size:16px;font-weight:600;min-width:24px;text-align:center}.cart-item-comment{width:100%;margin-top:8px;padding:8px;font-size:14px;border:1px solid var(--border);border-radius:6px;resize:none}.bottom-bar{position:fixed;bottom:0;left:0;right:0;background:#fff;padding:12px 16px;padding-bottom:max(12px,env(safe-area-inset-bottom));box-shadow:0 -2px 10px #0000001a}.bottom-bar .btn{max-width:480px;margin:0 auto}.order-item{padding:12px 0;border-bottom:1px solid var(--border)}.order-item:last-child{border-bottom:none}.order-store{font-weight:600}.order-meta{font-size:13px;color:var(--text-muted);margin-top:4px}.order-status{display:inline-block;padding:2px 8px;border-radius:4px;font-size:12px;font-weight:500}.order-status.submitted{background:#dcfce7;color:#166534}.empty{text-align:center;padding:40px 20px;color:var(--text-muted)}.loading{text-align:center;padding:40px;color:var(--text-muted)}.tabs{display:flex;background:#fff;border-bottom:1px solid var(--border)}.tab{flex:1;padding:12px;text-align:center;font-size:14px;font-weight:500;color:var(--text-muted);background:none;border:none;cursor:pointer;border-bottom:2px solid transparent}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.bottom-spacer{height:80px}.error{background:#fef2f2;color:#dc2626;padding:12px;border-radius:8px;margin:12px 16px;font-size:14px}.store-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:16px}.store-btn{padding:20px 12px;background:#fff;border:2px solid var(--border);border-radius:12px;font-size:14px;font-weight:500;cursor:pointer;text-align:center}.store-btn:active,.store-btn.selected{border-color:var(--primary);background:#eef2ff}