:root{--primary-color: #4B49AC;--primary-light: #98BDFF;--secondary-color: #7DA0FA;--active-color: #7978E9;--success-color: #28A745;--info-color: #7DA0FA;--warning-color: #FFC107;--danger-color: #F3797E;--sidebar-width: 250px;--sidebar-collapsed-width: 60px;--navbar-height: 60px;--bg-color: #F8F9FC}*{box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;color:#333;background-color:var(--bg-color)}.sidebar{position:absolute;top:var(--navbar-height);left:0;width:var(--sidebar-width);min-height:calc(100vh - var(--navbar-height));background-color:var(--primary-color);color:#ecf0f1;overflow-y:visible;transition:width .3s ease;z-index:1000}.sidebar.collapsed{width:var(--sidebar-collapsed-width)}.sidebar .nav-link{color:#ecf0f1;padding:12px 20px;display:flex;align-items:center;transition:background-color .2s}.sidebar .nav-link:hover,.sidebar .nav-link.active{background-color:var(--primary-light);color:#fff}.sidebar .nav-link i{width:20px;margin-right:10px;text-align:center}.sidebar.collapsed .nav-link span,.sidebar.collapsed .sidebar-section-header{display:none}.sidebar.collapsed .nav-item{margin-top:0!important}.main-content{margin-left:var(--sidebar-width);margin-top:var(--navbar-height);padding:20px;transition:margin-left .3s ease;min-height:calc(100vh - var(--navbar-height))}.main-content.expanded{margin-left:var(--sidebar-collapsed-width)}.navbar-custom{height:var(--navbar-height);background-color:var(--primary-color);border-bottom:1px solid var(--primary-light);position:fixed;top:0;left:0;right:0;z-index:1030}.card{border:none;box-shadow:0 2px 4px #0000001a;margin-bottom:20px}.badge-draft{background-color:#6c757d}.badge-submitted{background-color:var(--secondary-color);color:#fff}.badge-approved{background-color:var(--success-color)}.badge-returned{background-color:var(--danger-color)}.btn{padding:8px 16px;font-size:14px}.btn-primary{background-color:var(--primary-color);border-color:var(--primary-color)}.btn-primary:hover{background-color:var(--primary-light);border-color:var(--primary-light)}.btn-secondary{background-color:var(--secondary-color);border-color:var(--secondary-color)}.btn-secondary:hover{background-color:var(--active-color);border-color:var(--active-color)}.btn-danger{background-color:var(--danger-color);border-color:var(--danger-color)}.btn-danger:hover{background-color:#f55f64;border-color:#f55f64}.table{background-color:#fff}.table thead th{background-color:var(--primary-color);color:#fff;border-bottom:2px solid var(--primary-light);font-weight:600}.table tbody tr:hover{background-color:#98bdff1a}.form-label{font-weight:500;margin-bottom:5px}.form-control:focus{border-color:var(--secondary-color);box-shadow:0 0 0 .2rem #7da0fa40}.form-control.is-invalid:focus{border-color:var(--danger-color);box-shadow:0 0 0 .2rem #f3797e40}a{color:var(--active-color);text-decoration:none}a:hover{color:var(--primary-color);text-decoration:underline}@media(max-width:768px){.sidebar{position:fixed;left:-100%;width:var(--sidebar-width);height:calc(100vh - var(--navbar-height));overflow-y:auto;z-index:1040;box-shadow:0 0 15px #0000004d}.sidebar.show{left:0}.main-content,.main-content.expanded{margin-left:0!important}.card{margin-bottom:15px}.table-responsive{border:0}}@media(max-width:576px){.navbar-custom{padding:.5rem!important}.navbar-brand{font-size:14px}.main-content{padding:10px}.card-body{padding:15px}.btn{padding:6px 12px;font-size:13px}h1,.h1{font-size:1.5rem}h2,.h2{font-size:1.3rem}h3,.h3{font-size:1.1rem}}.sidebar-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;z-index:1035}.sidebar-overlay.show{display:block}@media print{.sidebar,.navbar-custom,.no-print{display:none!important}.main-content{margin-left:0!important;margin-top:0!important}}