/* Five tests, one compact header. Question numbers keep their own scroll rail. */
.compact-studio .unified-toolbar{grid-template-columns:auto auto minmax(0,1fr);gap:14px}
.unified-toolbar .studio-brand span{display:none}
.test-navigation{display:flex;align-items:center;gap:4px;min-width:0}
.test-navigation .test-link{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;min-width:58px;min-height:44px;padding:5px 9px;border:1px solid transparent;border-radius:12px;text-decoration:none;font:600 13px/1.3 'Be Vietnam Pro',sans-serif;color:#455568;background:#eef0f2;white-space:nowrap;box-shadow:none}
.test-navigation a.test-link:hover{background:#fce8ed;color:#a5002b}
.test-navigation .test-link[aria-current="page"]{color:#fff;background:linear-gradient(155deg,#cf294a,#98002b);border-color:#ffffffa0;box-shadow:0 3px 8px #a0002526}
.test-navigation .test-link:focus-visible{outline:3px solid #247aac;outline-offset:2px}
.test-navigation .test-link:disabled{opacity:1;color:#7a8088;background:#f2f2f2;cursor:default}
.test-navigation small{font-size:8px;font-weight:400;line-height:1.15}
@media(max-width:1000px){.compact-studio .unified-toolbar{grid-template-columns:auto minmax(0,1fr);gap:5px 10px}.compact-studio .unified-toolbar .studio-brand{display:flex}.test-navigation{justify-self:end}.compact-studio .unified-toolbar .compact-lesson-navigation{grid-column:1/-1;border-left:0;padding:0}.test-navigation .test-link{min-width:54px}}
@media(max-width:540px){.compact-studio .unified-toolbar{grid-template-columns:minmax(0,1fr);padding:6px 10px;gap:3px}.compact-studio .unified-toolbar .studio-brand{display:none}.test-navigation{width:100%;justify-self:stretch;display:grid;grid-template-columns:repeat(5,minmax(0,1fr))}.test-navigation .test-link{min-width:0;min-height:42px;padding:4px 2px;font-size:12px}.compact-studio .unified-toolbar .compact-lesson-navigation{grid-column:1;padding:0}}