:root{color-scheme:light;--ink:#173a3d;--muted:#556a70;--lime:#c2e66c;--line:#d7e0d8;--bg:#f5f5ef}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.6}header,main,footer{max-width:1200px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid var(--line)}nav,.actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap}.brand{text-decoration:none;font-size:23px;font-weight:800}.brand span{font-weight:400}.brand small{display:block;font-size:10px;letter-spacing:3px}a{color:var(--ink);text-underline-offset:4px}h1{font-size:clamp(28px,4vw,42px);line-height:1.2;margin:12px 0 20px}h2{font-size:24px;line-height:1.3}h3{margin-bottom:8px}p{color:var(--muted)}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:700}.card{padding:28px;border:1px solid var(--line);border-radius:14px;background:#fff;margin:20px 0}.narrow{max-width:690px;margin:40px auto}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.wide{grid-column:1/-1}label{display:block;font-weight:600;font-size:14px;margin-bottom:16px}input,textarea,select{display:block;width:100%;padding:12px;border:1px solid #a6b9ac;border-radius:6px;font:inherit;color:var(--ink);background:white;margin-top:6px}input[type=checkbox],input[type=radio]{display:inline;width:auto;margin:0 9px 0 0;accent-color:var(--ink)}textarea{min-height:100px;resize:vertical}button,.button{display:inline-block;background:var(--ink);color:white;padding:12px 19px;border:0;border-radius:6px;font:inherit;font-weight:650;text-decoration:none;cursor:pointer}button.secondary,.button.secondary{background:#edf2e6;color:var(--ink)}button:disabled{opacity:.55;cursor:wait}button.danger{background:#922e26}small,.hint{color:var(--muted);font-size:13px}.badge{display:inline-block;padding:4px 12px;border-radius:30px;background:var(--lime);font-size:12px;font-weight:700}.error{background:#fff0ed;color:#8a2d23;padding:15px;border-radius:7px}.success{background:#edf5dd;color:#294520;padding:15px;border-radius:7px}#notice:not(:empty){position:sticky;top:8px;z-index:10;border:1px solid currentColor}details{margin:16px 0}summary{cursor:pointer;font-weight:700;padding:12px 0}pre,.response{white-space:pre-wrap;overflow-wrap:anywhere;background:#f3f5f0;padding:15px;border-radius:6px}.stats{display:flex;flex-wrap:wrap;gap:22px}.stats strong{display:block;font-size:26px}.stats span{color:var(--muted);font-size:13px}fieldset{margin:24px 0;border:1px solid var(--line);border-radius:8px;padding:20px}legend{font-weight:700;padding:0 8px}fieldset label{font-weight:400;padding:10px;border-radius:6px;background:#f5f7f1}.exam-bar{position:sticky;top:0;background:var(--ink);color:white;padding:14px;z-index:5;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}.exam-bar button{background:var(--lime);color:var(--ink)}:focus-visible{outline:3px solid #88ae2d;outline-offset:3px}footer{font-size:12px;color:var(--muted)}hr{border:0;border-top:1px solid var(--line);margin:24px 0}ul{padding-left:24px}@media(max-width:680px){header,main,footer{padding:16px}.grid{grid-template-columns:1fr}.card{padding:20px}header{align-items:flex-start}nav{font-size:13px;gap:10px}button,.button{padding:11px 14px}.brand{font-size:19px}.exam-bar{top:0}}
#notice:not(:empty){position:static}input,textarea,button,fieldset{scroll-margin-top:180px}.exam-bar{font-size:14px}#save-status{font-size:12px}
[hidden]{display:none!important}

/* Academy role management and reviewed course content. */
.permission-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:10px 20px}
.permission-grid label{padding:8px;background:#f1f5ef;border-radius:6px}
.instructor-form select,#contents select{display:block;width:100%;padding:12px;border:1px solid #bacabd;border-radius:6px;background:white;font:inherit;color:inherit}
.lesson-item{padding:20px 0;border-bottom:1px solid #d5dfd4;overflow-wrap:anywhere}
.lesson-item video,.lesson-item audio{display:block;width:100%;max-width:720px;margin-top:15px}
.instructor-form fieldset{margin:18px 0;min-width:0}
.instructor-form legend{font-weight:700}
.permission-grid input[type=checkbox]{flex-shrink:0}
@media(max-width:600px){.permission-grid{grid-template-columns:1fr}.instructor-form fieldset{padding:10px}}