.spine-toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}.spine-toolbar label{display:flex;align-items:center;gap:8px;font-weight:650}.spine-toolbar select{max-width:380px;padding:10px;font:inherit}.spine-context{background:#e6f1f2;border-left:5px solid #087f82;padding:14px 20px;margin-bottom:20px}.spine-context p{margin:8px 0}.spine-context summary{cursor:pointer}.spine-course{display:grid;gap:16px;margin:22px 0}.spine-week>summary{font-weight:700;font-size:21px;cursor:pointer}.spine-week>summary span{display:block;font-size:16px;font-weight:400;margin-top:6px}.spine-week ol{padding-left:30px}.spine-week li{padding:16px 8px;border-bottom:1px solid #d7e3e6}.spine-week li>div{display:inline-block;width:75%;vertical-align:middle}.spine-week li p{margin:6px 0}.spine-return{display:flex;align-items:center;gap:16px;padding:14px;background:#e6f1f2;border-radius:12px;margin-bottom:18px}.spine-return span{font-size:14px}.spine-project #studyNav,.spine-project .downloads{display:none!important}.spine-project .shell{max-width:1500px}.spine-project #app{font-size:21px}.spine-project .lesson-work{grid-template-columns:minmax(250px,1fr) minmax(350px,2fr)}.spine-downloads>summary{cursor:pointer;font-size:21px;font-weight:700}@media(max-width:700px){.spine-toolbar label,.spine-toolbar select{width:100%;max-width:100%}.spine-week li>div{width:100%}.spine-return{flex-direction:column;align-items:stretch}.spine-project .lesson-work{grid-template-columns:1fr}}@media print{.spine-toolbar,.spine-return{display:none}}

.spine-project .text-switch,.spine-project header{display:none}.spine-project .spine-toolbar{position:sticky;top:0;background:#f3f6f6;padding:12px 0;z-index:4}.spine-project #app h1{font-size:clamp(32px,4vw,54px)}