.cer-app{--cer-ink:#243e33;--cer-green:#315c49;--cer-sage:#e5eee2;--cer-border:#cbd8c6;box-sizing:border-box;max-width:1180px;margin:28px auto;padding:24px;background:#fafbf6;color:var(--cer-ink);font:17px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;border-radius:24px}.cer-app *{box-sizing:border-box}.cer-app h1,.cer-app h2,.cer-app h3,.cer-app legend{color:var(--cer-ink);line-height:1.25}.cer-app h1{font-size:clamp(28px,4vw,42px);margin:14px 0}.cer-app h2{font-size:25px;margin:0 0 14px}.cer-app h3{font-size:21px;margin:24px 0 12px}.cer-app p{margin:0 0 16px}.cer-app a{color:#24543e;text-decoration:underline;text-underline-offset:3px}.cer-hero{padding:34px;background:linear-gradient(125deg,#e3eddf,#f3f1e6);border:1px solid var(--cer-border);border-radius:20px;margin-bottom:22px}.cer-logo{display:block;max-width:100%;width:430px;height:auto;margin:0 0 24px}.cer-eyebrow{font-size:12px;letter-spacing:2px;font-weight:750;color:#46614e}.cer-card{background:#fffef9;border:1px solid var(--cer-border);border-radius:18px;padding:26px;margin-bottom:22px;min-width:0}.cer-notice{padding:14px 18px;background:#edf2e7;border:1px solid #c4d2bb;border-radius:12px;margin:0 0 20px}.cer-toolbar{display:flex;justify-content:space-between;gap:20px;margin:18px 0}.cer-layout{display:grid;grid-template-columns:310px minmax(0,1fr);gap:24px;align-items:start}.cer-outline{position:sticky;top:24px}.cer-outline ol{padding-left:22px}.cer-outline li{margin:0 0 17px}.cer-outline small{display:block;color:#566453;font-size:13px}.cer-app progress{width:100%;height:14px;accent-color:#56784c}.cer-button,.cer-app input[type=submit]{display:inline-block!important;background:var(--cer-green)!important;color:#fff!important;padding:12px 20px!important;border:0!important;border-radius:10px!important;font:600 16px/1.4 system-ui!important;cursor:pointer;text-decoration:none!important;white-space:normal}.cer-button:hover,.cer-app input[type=submit]:hover{background:#244735!important}.cer-button:disabled{background:#6b776e!important;cursor:not-allowed;opacity:.8}.cer-app label{display:block;margin:12px 0}.cer-app input:not([type=radio]):not([type=checkbox]):not([type=hidden]):not([type=submit]),.cer-app select{display:block;width:100%;max-width:470px;background:#fff;color:#243e33;border:1px solid #a6b7a0;border-radius:8px;padding:11px 12px;font:inherit;margin-top:6px}.cer-app select{display:inline-block}.cer-app input[type=radio],.cer-app input[type=checkbox]{accent-color:#315c49;width:18px;height:18px;flex-shrink:0;margin:5px 8px 0 0}.cer-app .cer-choice{display:flex;align-items:flex-start;background:#f0f4ec;border:1px solid #d4dfce;border-radius:9px;padding:10px 12px}.cer-app fieldset{border:1px solid #cbd8c6;padding:16px;border-radius:12px;margin:22px 0}.cer-app legend{font-weight:650;padding:0 6px}.cer-app :focus-visible{outline:3px solid #516eaa;outline-offset:3px}.cer-feedback{background:#f2efe2;border:1px solid #d7d0b5;border-radius:12px;padding:20px;margin:22px 0}.cer-login-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.cer-footer{font-size:13px;text-align:center;color:#526350;padding:12px}.cer-price{font-size:28px;font-weight:700}.cer-honeypot{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.cer-app article img,.cer-app article video{max-width:100%;height:auto}.cer-app article iframe{max-width:100%}.cer-app small{font-size:13px}.cer-lesson article{margin:20px 0 28px}@media(max-width:800px){.cer-app{padding:14px;margin:12px 0;border-radius:14px}.cer-layout,.cer-login-grid{grid-template-columns:1fr}.cer-outline{position:static}.cer-hero,.cer-card{padding:22px}.cer-toolbar{flex-wrap:wrap}.cer-logo{width:350px}}@media print{.cer-app{background:white}.cer-outline,.cer-toolbar,.cer-app form{display:none}.cer-layout{display:block}}
/* Dedicated course page: dark forest surround, no theme header/menu. */
body.cer-course-shell{background:#173c30!important;margin:0;color:#243e33;min-height:100vh}body.cer-course-shell #cer-course-main{padding:20px 18px 40px}body.cer-course-shell .cer-app{box-shadow:0 18px 60px #08211955;margin:16px auto}body.cer-course-shell .cer-app h1,body.cer-course-shell .cer-app h2,body.cer-course-shell .cer-app h3{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.cer-region-label{font-size:14px}.cer-lesson-heading{border-bottom:1px solid #cbd8c6;margin:0 0 22px;padding:0 0 16px}.cer-lesson-heading h2{margin:12px 0 0}.cer-retry{margin:22px 0;padding:16px;background:#f0f4ec;border-radius:12px}.cer-retry summary{cursor:pointer;font-weight:600}.cer-profile{max-width:760px;margin:0 auto}.cer-toolbar a{white-space:nowrap}@media(max-width:800px){body.cer-course-shell #cer-course-main{padding:8px}.cer-toolbar{font-size:14px}}

/* Compact course header; logo carries the visible course name. */
.cer-app .cer-hero{padding:20px 26px}.cer-app .cer-logo{margin:0 0 8px}.cer-app .cer-hero .cer-eyebrow{display:block;margin-bottom:8px}.cer-app .cer-hero p{margin-bottom:0}.cer-app .cer-screen-reader{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}@media(max-width:800px){.cer-app .cer-hero{padding:18px 20px}}

.cer-course-shell .cer-version{text-align:center;color:#dce9d8;font:12px/1.5 system-ui,sans-serif;padding:0 16px 20px}

.cer-disclaimer{background:#f2efe2;border:1px solid #d7d0b5;border-radius:10px;padding:12px 16px;margin:0 0 20px;font-size:14px}.cer-disclaimer summary{font-weight:650;cursor:pointer}.cer-disclaimer p{margin:14px 0 0}.cer-tailored{background:#eaf1e4;border-left:4px solid #75966a;border-radius:8px;padding:16px 20px;margin:22px 0}.cer-tailored h3{margin-top:0}.cer-tailored p:last-child{margin-bottom:0}

.cer-app .cer-review-link{font-size:13px}.cer-answer-review{padding:12px 0;border-bottom:1px solid #cbd8c6}.cer-app .cer-answer-review h3{font-size:18px}.cer-lesson details{margin:14px 0}.cer-lesson summary{cursor:pointer;font-weight:650}.cer-result-link{font-size:14px}

.cer-guide-panel{background:#edf2e7;border:1px solid #c4d2bb;border-radius:12px;padding:18px 20px;margin:24px 0}.cer-guide-panel h3{margin-top:0}.cer-question-help{font-size:13px}.cer-app article h3{scroll-margin-top:55px}