*,:after,:before{margin:0;padding:0;box-sizing:border-box}body{font-family:system-ui,-apple-system,sans-serif;color:#111;background:#fff}.role-picker{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:.5rem}.role-picker h1{font-size:1.5rem;font-weight:700}.role-picker p{color:#666;margin-bottom:1rem}.role-picker-buttons{display:flex;flex-direction:column;gap:.5rem}.role-picker button{padding:.75rem 2rem;font-size:1rem;border:1px solid #e2e2e2;border-radius:8px;background:#fff;cursor:pointer;width:240px;transition:background .15s}.role-picker button:hover{background:#f5f5f5;border-color:#ccc}.app-shell{display:flex;min-height:100vh}.sidebar{width:240px;border-right:1px solid #e2e2e2;padding:1.25rem 1rem;display:flex;flex-direction:column;background:#fafafa}.sidebar-header{font-weight:700;font-size:1rem;margin-bottom:.25rem}.sidebar-user{font-size:.8rem;color:#666;padding-bottom:1rem;margin-bottom:1rem;border-bottom:1px solid #e2e2e2;text-transform:capitalize}.sidebar nav{display:flex;flex-direction:column;gap:.125rem;flex:1 1}.sidebar nav a{padding:.5rem .75rem;border-radius:6px;text-decoration:none;color:#333;font-size:.9rem;transition:background .15s}.sidebar nav a:hover{background:#eee}.sidebar nav a.active{background:#e8f0fe;color:#1a56db;font-weight:500}.sidebar-empty{color:#999;font-size:.85rem;padding:.5rem .75rem}.sidebar-footer{padding-top:1rem;border-top:1px solid #e2e2e2}.sidebar-footer button{background:none;border:none;cursor:pointer;color:#666;font-size:.85rem;padding:.5rem .75rem;border-radius:6px;width:100%;text-align:left;transition:background .15s}.sidebar-footer button:hover{background:#eee;color:#333}.main-content{flex:1 1;padding:2rem}.main-content h1{font-size:1.5rem;font-weight:600;margin-bottom:.5rem}.main-content p{color:#666}