:root{--navy:#123B66;--blue:#1769AA;--green:#21A179;--bg:#F4F7FA}body{background:var(--bg);color:#183046}.test-banner{position:sticky;top:0;z-index:1100;background:#ffc107;color:#442f00;text-align:center;font-weight:700;padding:.45rem}.sidebar{position:fixed;top:36px;bottom:0;width:230px;background:var(--navy);padding:1rem;overflow:auto}.sidebar a,.sidebar button{display:block;color:#dfefff;text-decoration:none;padding:.65rem .8rem;width:100%}.sidebar .brand{font-size:1.35rem;font-weight:800;color:#fff;margin-bottom:1rem}.sidebar a:hover{background:#ffffff18;border-radius:.5rem}.content{margin-left:230px;padding:2rem}.card{border:0;box-shadow:0 3px 16px #123b6612}.kpi{border-left:4px solid var(--green)}@media(max-width:800px){.sidebar{position:static;width:auto}.content{margin:0;padding:1rem}.sidebar a{display:inline-block;width:auto}.test-banner{position:static}}