:root{--primary:#004199;--primary-dark:#00337a;--primary-light:#e8f0fa;--secondary:#455a64;--bg:#f5f5f5;--surface:#fff;--border:#e0e0e0;--text:#333;--text-secondary:#666;--success:#4caf50;--warning:#ff9800;--error:#e73635;--accent:#e73635}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--text);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.5}.app-container{min-height:100vh;display:flex}.mobile-menu-btn{cursor:pointer;color:var(--text);background:0 0;border:none;padding:8px;font-size:24px;display:none}.sidebar{background:var(--primary);color:#fff;z-index:1000;flex-shrink:0;width:220px;height:100vh;padding:20px 0;transition:transform .3s;position:fixed;top:0;left:0}.sidebar-logo{border-bottom:1px solid #ffffff26;margin-bottom:20px;padding:0 20px 20px}.sidebar-logo h1{color:#fff;font-size:18px;font-weight:700}.sidebar-nav{list-style:none}.sidebar-nav li{margin:4px 0}.sidebar-nav a{color:#ffffffd9;align-items:center;padding:10px 20px;text-decoration:none;transition:all .2s;display:flex}.sidebar-nav a:hover,.sidebar-nav a.active{color:#fff;background:#ffffff26}.sidebar-nav a svg{width:20px;height:20px;margin-right:10px}.main-content{flex-direction:column;flex:1;margin-left:220px;transition:margin-left .3s;display:flex}.header{background:var(--surface);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:15px 25px;display:flex}.header h2{font-size:18px;font-weight:600}.header-user{align-items:center;gap:15px;display:flex}.page-content{flex:1;padding:25px}.sidebar-overlay{z-index:999;background:#00000080;display:none;position:fixed;inset:0}.card{background:var(--surface);border-radius:8px;margin-bottom:20px;box-shadow:0 1px 3px #0000001a}.card-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:15px 20px;display:flex}.card-header h3{font-size:16px;font-weight:600}.card-body{padding:20px}.table{border-collapse:collapse;width:100%}.table th{text-align:left;color:var(--text-secondary);border-bottom:1px solid var(--border);background:#fafafa;padding:12px 15px;font-size:13px;font-weight:600}.table td{border-bottom:1px solid var(--border);padding:12px 15px}.table tr:hover{background:#fafafa}.btn{cursor:pointer;border:none;border-radius:4px;justify-content:center;align-items:center;padding:8px 16px;font-size:14px;font-weight:500;text-decoration:none;transition:all .2s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--secondary);color:#fff}.btn-outline{border:1px solid var(--border);color:var(--text);background:0 0}.btn-outline:hover{background:#f5f5f5}.btn-sm{padding:5px 10px;font-size:12px}.btn-danger{background:var(--error);color:#fff}.form-group{margin-bottom:15px}.form-label{color:var(--text-secondary);margin-bottom:5px;font-size:13px;font-weight:500;display:block}.form-input,.form-select{border:1px solid var(--border);border-radius:4px;width:100%;padding:10px 12px;font-size:14px;transition:border-color .2s}.form-input:focus,.form-select:focus{border-color:var(--primary);outline:none}.form-row{grid-template-columns:repeat(2,1fr);gap:15px;display:grid}.table-wrapper{-webkit-overflow-scrolling:touch;overflow-x:auto}.table{min-width:600px}.modal-overlay{z-index:1000;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--surface);border-radius:8px;width:90%;max-width:600px;max-height:90vh;overflow-y:auto}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:15px 20px;display:flex}.modal-header h3{font-size:16px;font-weight:600}.modal-close{cursor:pointer;color:var(--text-secondary);background:0 0;border:none;font-size:24px}.modal-body{padding:20px}.modal-footer{border-top:1px solid var(--border);justify-content:flex-end;gap:10px;padding:15px 20px;display:flex}.badge{border-radius:12px;padding:3px 8px;font-size:11px;font-weight:500;display:inline-block}.badge-draft{color:#666;background:#e0e0e0}.badge-sent{color:#1976d2;background:#e3f2fd}.badge-accepted{color:#388e3c;background:#e8f5e9}.badge-expired{color:#f57c00;background:#fff3e0}.badge-production{color:#7b1fa2;background:#f3e5f5}.badge-shipped{color:#3949ab;background:#e8eaf6}.badge-completed{color:#2e7d32;background:#e8f5e9}.login-container{background:linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-box{background:var(--surface);border-radius:8px;width:100%;max-width:400px;padding:40px;box-shadow:0 10px 40px #0003}.login-box h1{color:var(--primary);text-align:center;margin-bottom:30px;font-size:24px}.search-bar{gap:10px;margin-bottom:20px;display:flex}.search-bar input{flex:1}.tabs{border-bottom:1px solid var(--border);margin-bottom:20px;display:flex}.tab{cursor:pointer;color:var(--text-secondary);background:0 0;border:none;border-bottom:2px solid #0000;padding:10px 20px;font-size:14px;transition:all .2s}.tab:hover{color:var(--text)}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.empty-state,.loading{text-align:center;color:var(--text-secondary);padding:40px}.text-right{text-align:right}.text-center{text-align:center}.text-primary{color:var(--primary)}.text-muted{color:var(--text-secondary)}.mt-1{margin-top:5px}.mt-2{margin-top:10px}.mt-3{margin-top:15px}.mt-4{margin-top:20px}.mb-1{margin-bottom:5px}.mb-2{margin-bottom:10px}.mb-3{margin-bottom:15px}.mb-4{margin-bottom:20px}.flex{display:flex}.flex-between{justify-content:space-between;align-items:center;display:flex}.gap-2{gap:10px}.gap-3{gap:15px}@media (max-width:768px){.mobile-menu-btn{display:block}.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-overlay.open{display:block}.main-content{margin-left:0}.header{padding:12px 15px}.header h2{font-size:16px}.header-user span{display:none}.page-content{padding:15px}.card-header{flex-direction:column;align-items:flex-start;gap:10px}.card-header h3{font-size:14px}.card-body{padding:15px}.form-row{grid-template-columns:1fr;gap:10px}.modal{border-radius:0;width:100%;max-width:none;height:100%;max-height:none}.modal-header{padding:12px 15px}.modal-body{padding:15px}.modal-footer{flex-direction:column;padding:12px 15px}.modal-footer .btn{width:100%}.search-bar{flex-direction:column}.search-bar .form-input{width:100%}.tabs{-webkit-overflow-scrolling:touch;overflow-x:auto}.tab{white-space:nowrap;padding:8px 12px;font-size:13px}.badge{padding:2px 6px;font-size:10px}.login-box{border-radius:8px;margin:20px;padding:30px 20px}.btn{padding:8px 12px;font-size:13px}.btn-sm{padding:4px 8px;font-size:11px}.table th,.table td{padding:8px 10px;font-size:12px}.empty-state,.loading{padding:20px}.stat-cards{grid-template-columns:repeat(2,1fr)!important}}.input-error{border-color:#ef4444!important}.field-error{color:#ef4444;margin-top:4px;font-size:12px;display:block}.field-hint{color:#6b7280;margin-top:4px;font-size:12px;display:block}