html,body{height:100%;margin:0;padding:0}app-root{display:flex;flex-direction:column;height:100%}:root{--toolbar-height: 45px}.main-content>router-outlet+*{flex:1;min-height:0;display:flex;flex-direction:column}.duplicate-row td{background-color:#fff0f0;color:#b00020}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px;box-sizing:border-box}.loading-container{display:flex;align-items:center;justify-content:center;gap:12px;padding:40px;color:#666}.spinner{width:24px;height:24px;border:3px solid #e0e0e0;border-top-color:#1976d2;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}