*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f7f6f1;color:#20394b;font:16px/1.75 system-ui,"Malgun Gothic",sans-serif}button,input,select{font:inherit}button,.button,select{border:1px solid #c4cfcc;background:white;border-radius:10px;padding:10px 16px;color:#20394b}button,.button{cursor:pointer}button:disabled{opacity:.45;cursor:default}a{color:#225e50;text-underline-offset:4px}button:hover,.button:hover{background:#eaf1ed}.primary{background:#245b4e!important;color:white;border-color:#245b4e;text-decoration:none;display:inline-block}.button{display:inline-block}header{max-width:1120px;margin:auto;padding:24px;display:flex;align-items:center;gap:16px;border-bottom:1px solid #dce1d9}.brand{font-size:29px;font-weight:800;text-decoration:none;color:#20394b}.brand span{color:#b39c66}header button:first-of-type{margin-left:auto}.pill{font-size:12px;padding:4px 10px;border-radius:20px;background:#e5ece5}main{max-width:1120px;margin:auto;padding:0 24px}.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:64px;padding:64px 0}.hero h1{font-size:44px;line-height:1.3;letter-spacing:-2px;margin:10px 0 24px}.hero p{color:#526675}.eyebrow{font-size:12px;font-weight:700;letter-spacing:2px;color:#8a784d!important}aside,.setup,.record-help{background:white;border:1px solid #dbe1d9;border-radius:20px;padding:28px}aside a{display:inline-block;margin:12px}h2{font-size:23px;line-height:1.5;margin:6px 0 14px}.small{font-size:12px;color:#64746f}section{margin-bottom:40px}.setup{display:grid;grid-template-columns:1.2fr 1fr;gap:15px}.setup p{margin:8px 0}.filters{display:flex;gap:15px;align-items:center}.filters label{flex:1}label{display:block;font-size:14px;font-weight:600}input,select{display:block;width:100%;margin:6px 0 16px}input{padding:12px;border:1px solid #c4cfcc;border-radius:10px;background:white;color:#20394b}input[type=checkbox]{width:20px;height:20px;margin:0;flex-shrink:0}.section-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:18px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.card{padding:23px;border:1px solid #dbe1d9;border-radius:16px;background:white;overflow-wrap:anywhere}.card h3{font-size:18px;line-height:1.6;margin:12px 0}.card p{font-size:13px;color:#526675}.card .actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.card .actions button{font-size:13px}.empty{color:#63776e;padding:24px;border:1px dashed #c4cfcc;border-radius:14px;grid-column:1/-1}.search{max-width:600px}.pager{display:flex;align-items:center;justify-content:center;gap:22px;margin:24px 0}footer{border-top:1px solid #dbe1d9;font-size:12px;padding:28px 0 40px;color:#63776e}.notice{background:#fff1d2;border-radius:12px;padding:16px}.consent{display:flex;gap:12px;font-size:12px;margin:15px 0}dialog{border:1px solid #dbe1d9;border-radius:18px;max-width:500px;width:calc(100% - 32px);padding:25px;color:#20394b}dialog::backdrop{background:#142e4099}dialog a{margin-left:10px}#auth-error{color:#983d2d}:focus-visible{outline:3px solid #bb944a;outline-offset:3px}[hidden]{display:none!important}@media(max-width:760px){.hero{grid-template-columns:1fr;gap:20px;padding:30px 0}.hero h1{font-size:34px}.grid{grid-template-columns:1fr}.setup{grid-template-columns:1fr}header{padding:16px;gap:8px}.pill{font-size:10px}main{padding:0 16px}.section-head{align-items:flex-start;flex-wrap:wrap}header button{font-size:12px;padding:8px}.record-help,.setup,aside{padding:20px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* Compact course index */
.unit-library{display:grid;gap:10px}.course-group{border:1px solid #dbe1d9;border-radius:12px;background:#fff;overflow:hidden}.course-group summary{display:flex;align-items:center;gap:12px;cursor:pointer;padding:15px 18px;font-weight:700;list-style:none}.course-group summary::-webkit-details-marker{display:none}.course-group summary::before{content:'+';font-size:20px;color:#245b4e;width:18px;text-align:center}.course-group[open] summary::before{content:'−'}.course-group[open] summary{background:#edf3ee;border-bottom:1px solid #dbe1d9}.course-group summary small{margin-left:auto;white-space:nowrap;font-weight:400;color:#64746f}.course-group ul{list-style:none;padding:0 18px;margin:0}.course-group li{display:flex;align-items:center;gap:12px;border-bottom:1px solid #edf0eb;padding:10px 0}.course-group li:last-child{border-bottom:0}.unit-link{display:flex;gap:12px;align-items:center;justify-content:space-between;flex:1;min-width:0;text-decoration:none;padding:6px 0;font-size:15px;line-height:1.6}.unit-link span{overflow-wrap:anywhere}.unit-link small{white-space:nowrap;color:#64746f}.unit-link:hover span{text-decoration:underline}.course-group li button{font-size:12px;padding:7px 10px;flex-shrink:0}@media(max-width:600px){.course-group summary{padding:12px}.course-group ul{padding:0 12px}.unit-link{display:block}.unit-link small{display:block;font-size:11px}.course-group li{gap:8px}.course-group summary small{font-size:11px}}

/* Simplified library categories */
.library-category{border:1px solid #dbe1d9;border-radius:14px;background:#fff;overflow:hidden}.library-category>summary{display:flex;align-items:center;gap:12px;list-style:none;cursor:pointer;padding:16px 20px}.library-category>summary::-webkit-details-marker{display:none}.library-category>summary strong{font-size:18px}.library-category>summary small{margin-left:auto;color:#64746f;font-size:12px}.library-category[open]>summary{background:#edf3ee}.library-category[open]>summary>span{transform:rotate(180deg)}.category-courses{padding:12px;display:grid;gap:8px}.category-courses .course-group{border-radius:8px}.category-courses .unit-link{word-break:keep-all;overflow-wrap:break-word}@media(max-width:600px){.library-category>summary{padding:14px}.category-courses{padding:8px}.category-courses .course-group summary{font-size:14px}.category-courses .unit-link{font-size:14px}}