.academy-shell{display:grid;gap:1.2rem}.academy-hero{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:2rem;align-items:end;border-bottom:1px solid var(--line-soft);padding-bottom:1.4rem}.academy-hero h1,.academy-track-head h1{font-size:clamp(2.3rem,5vw,4.5rem);margin:.35rem 0;letter-spacing:-.055em}.academy-hero p,.academy-track-head p{max-width:760px;color:var(--muted);line-height:1.65}.academy-progress{display:grid;gap:.4rem}.academy-progress>span,.academy-progress small{color:var(--muted);font-size:.74rem}.academy-progress>strong{font-size:2.4rem}.academy-progress>div,.academy-card-progress{height:7px;border-radius:999px;background:#0a1016;overflow:hidden;border:1px solid var(--line-soft)}.academy-progress i,.academy-card-progress i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2))}.academy-machine{display:grid;grid-template-columns:250px minmax(0,1fr);gap:1rem;align-items:center}.academy-machine>div{display:grid}.academy-machine span{color:var(--muted);font-size:.72rem}.academy-machine p{margin:0;color:var(--muted);line-height:1.55}.academy-track-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.academy-track-card{display:flex;flex-direction:column;min-height:260px;padding:1.2rem;border:1px solid var(--line);border-radius:16px;background:linear-gradient(145deg,var(--panel),#0d151d);transition:.16s}.academy-track-card:hover{transform:translateY(-2px);border-color:rgba(94,230,168,.28)}.academy-track-card.optional{opacity:.78}.academy-track-card>div{display:flex;justify-content:space-between;gap:.5rem}.academy-level,.academy-optional,.academy-complete{display:inline-flex;width:max-content;padding:.3rem .5rem;border-radius:999px;border:1px solid var(--line);font-size:.66rem;text-transform:uppercase;letter-spacing:.06em}.academy-level{color:#c8f8df;border-color:rgba(94,230,168,.22)}.academy-optional{color:#ffe2a2;border-color:rgba(255,207,112,.25)}.academy-complete{color:#bff6db;border-color:rgba(89,217,152,.25)}.academy-track-card h3{font-size:1.35rem;margin:.8rem 0 .45rem}.academy-track-card p{color:var(--muted);line-height:1.55;flex:1}.academy-track-card footer{display:flex;justify-content:space-between;gap:.7rem;border:0;padding:.8rem 0 0;margin:0;color:var(--muted);font-size:.76rem}.academy-track-card footer strong{color:var(--accent2)}.academy-track-head{display:grid;grid-template-columns:minmax(0,1fr) 130px;gap:2rem;align-items:center;padding:1rem 0 1.5rem;border-bottom:1px solid var(--line-soft)}.academy-ring{width:120px;height:120px;border-radius:50%;display:grid;place-items:center;align-content:center;background:conic-gradient(var(--accent) calc(var(--p)*1%),#18222d 0);position:relative}.academy-ring:before{content:'';position:absolute;inset:10px;border-radius:50%;background:var(--bg)}.academy-ring>*{position:relative}.academy-ring strong{font-size:1.25rem}.academy-ring span{color:var(--muted);font-size:.7rem}.academy-lesson-list{display:grid;gap:.55rem}.academy-lesson-row{display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:.8rem;align-items:center;padding:.9rem 1rem;border:1px solid var(--line);border-radius:12px;background:var(--panel)}.academy-lesson-row:hover{border-color:rgba(118,183,255,.32)}.academy-lesson-row.done{border-color:rgba(89,217,152,.2)}.academy-step{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:#0c141b;border:1px solid var(--line);font-size:.78rem}.academy-lesson-row.done .academy-step{background:rgba(89,217,152,.12);color:#bff6db}.academy-lesson-row>div{display:grid;gap:.2rem}.academy-lesson-row small{color:var(--muted);line-height:1.45}.academy-lesson{max-width:880px;margin:1rem auto 0;padding:clamp(1.2rem,4vw,2rem)}.academy-lesson-top{display:flex;justify-content:space-between;gap:1rem;align-items:flex-start}.academy-lesson h1{font-size:clamp(2rem,4vw,3.4rem);margin:.35rem 0;letter-spacing:-.045em}.academy-lesson-copy{font-size:1.05rem;color:#cbd6e1;line-height:1.7}.academy-practice{display:flex;justify-content:space-between;gap:1rem;align-items:center;padding:1rem 0;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}.academy-complete-form{margin-top:1rem}@media(max-width:800px){.academy-hero,.academy-track-head{grid-template-columns:1fr}.academy-progress{max-width:340px}.academy-machine{grid-template-columns:1fr}.academy-track-grid{grid-template-columns:1fr}.academy-ring{width:100px;height:100px}}@media(max-width:560px){.academy-lesson-row{grid-template-columns:38px minmax(0,1fr)}.academy-lesson-row>span:last-child{display:none}.academy-practice{align-items:flex-start;flex-direction:column}.academy-practice .button{width:100%}}
.academy-next{display:flex;justify-content:space-between;gap:1.25rem;align-items:center}.academy-next h2{margin:.25rem 0;font-size:1.35rem}.academy-next p{margin:.25rem 0;color:var(--muted);line-height:1.5}.academy-next small{color:var(--muted)}@media(max-width:650px){.academy-next{align-items:flex-start;flex-direction:column}.academy-next .button{width:100%}}
/* 0.2.0 lesson experience */
.academy-learning-block{margin:1.35rem 0 1rem;padding:1.1rem 1.15rem;border:1px solid rgba(94,230,168,.18);border-radius:14px;background:rgba(94,230,168,.045)}
.academy-learning-block h2{margin:.35rem 0 0;font-size:1.25rem;line-height:1.45}
.academy-learning-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.9rem;margin:1rem 0}
.academy-learning-card{padding:1rem 1.1rem;border:1px solid var(--line);border-radius:14px;background:#0c131a}
.academy-learning-card h3{margin:0 0 .7rem;font-size:1rem}
.academy-learning-card ol{margin:0;padding-left:1.2rem;color:#cbd6e1;display:grid;gap:.55rem;line-height:1.5}
.academy-checklist{list-style:none;padding-left:0!important;counter-reset:step}
.academy-checklist li{display:grid;grid-template-columns:24px 1fr;gap:.55rem;align-items:start}
.academy-checklist li:before{counter-increment:step;content:counter(step);width:22px;height:22px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--line);color:var(--accent2);font-size:.68rem}
.academy-resource-card{display:flex;justify-content:space-between;align-items:center;gap:1.2rem;margin:1.15rem 0;padding:1rem 1.1rem;border:1px solid rgba(118,183,255,.22);border-radius:14px;background:rgba(118,183,255,.045)}
.academy-resource-card.unavailable{border-color:var(--line);opacity:.84}.academy-resource-card h3{margin:.3rem 0;font-size:1.05rem}.academy-resource-card p{margin:.25rem 0;color:var(--muted);line-height:1.5}.academy-resource-card small{color:var(--muted);font-size:.72rem}.academy-resource-unavailable{color:var(--muted);font-size:.78rem}
.academy-lesson-footer{display:grid;gap:1rem;margin-top:1.1rem;padding-top:1rem;border-top:1px solid var(--line-soft)}
.academy-neighbors{display:flex;justify-content:space-between;gap:.7rem}.academy-complete-form{margin-top:0}
@media(max-width:720px){.academy-learning-grid{grid-template-columns:1fr}.academy-resource-card{align-items:flex-start;flex-direction:column}.academy-resource-card .button{width:100%}.academy-neighbors{flex-direction:column}.academy-neighbors .button{width:100%}}

/* 0.3.0 self-check */
.academy-quiz{margin:24px 0;padding:20px;border:1px solid var(--line,#303746);border-radius:16px;background:rgba(255,255,255,.02)}.academy-quiz-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;margin-bottom:16px}.academy-quiz-head h2{margin:4px 0}.academy-quiz-head p{margin:0;color:var(--muted,#9ca3af)}.academy-quiz-head>span{white-space:nowrap;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.05)}.academy-quiz-form{display:grid;gap:14px}.academy-quiz-form fieldset{border:1px solid var(--line,#303746);border-radius:12px;padding:13px}.academy-quiz-form legend{font-weight:700;padding:0 5px}.academy-quiz-form label{display:flex;gap:9px;align-items:flex-start;padding:8px;border-radius:9px;cursor:pointer}.academy-quiz-form label:hover{background:rgba(255,255,255,.035)}@media(max-width:680px){.academy-quiz-head{flex-direction:column}}

/* 0.4.0 mastery feedback */
.academy-mastery-badge,.academy-quiz-score{display:inline-flex;width:max-content;margin-top:.45rem;padding:.22rem .45rem;border-radius:999px;font-size:.67rem;font-weight:700}.academy-mastery-badge{color:#bff6db;border:1px solid rgba(94,230,168,.24);background:rgba(94,230,168,.06)}.academy-quiz-score{color:#cfe7ff;border:1px solid rgba(118,183,255,.22);background:rgba(118,183,255,.06)}.academy-lesson-row.mastered{border-color:rgba(94,230,168,.22)}.academy-ring small{display:block;margin-top:.25rem;color:var(--muted);font-size:.68rem;text-align:center}

/* 0.4.1: optional second hands-on resource */
.academy-practice-resource{margin-top:12px}

/* 0.4.2 quiz layout and interaction hotfix */
.academy-quiz{padding:clamp(16px,3vw,24px)}
.academy-quiz-head{margin-bottom:18px}
.academy-quiz-head>span{font-size:.78rem;font-weight:700}
.academy-quiz-form{gap:16px}
.academy-quiz-form .academy-quiz-question{min-width:0;margin:0;padding:16px;border:1px solid var(--line,#303746);border-radius:14px;background:#101820}
.academy-quiz-form .academy-quiz-question.is-correct{border-color:rgba(94,230,168,.28)}
.academy-quiz-form .academy-quiz-question.is-wrong{border-color:rgba(255,177,99,.34)}
.academy-quiz-form .academy-quiz-question legend{display:flex;align-items:flex-start;gap:.65rem;max-width:calc(100% - 12px);padding:0 6px;color:var(--text);font-size:.95rem;font-weight:800;line-height:1.45;white-space:normal}
.academy-question-number{display:inline-grid;place-items:center;flex:0 0 26px;width:26px;height:26px;margin-top:-2px;border:1px solid rgba(94,230,168,.24);border-radius:50%;background:rgba(94,230,168,.06);color:var(--accent,#5ee6a8);font-size:.72rem}
.academy-quiz-options{display:grid;gap:8px;margin-top:7px}
.academy-quiz-form label.academy-quiz-option{display:grid;grid-template-columns:20px 28px minmax(0,1fr);gap:10px;align-items:start;width:100%;min-width:0;margin:0;padding:11px 12px;border:1px solid transparent;border-radius:11px;background:rgba(255,255,255,.018);color:#dbe5ee;font-size:.9rem;line-height:1.5;cursor:pointer;transition:border-color .14s ease,background .14s ease,transform .14s ease}
.academy-quiz-form label.academy-quiz-option:hover{border-color:rgba(118,183,255,.25);background:rgba(118,183,255,.055)}
.academy-quiz-form label.academy-quiz-option:has(input:checked){border-color:rgba(118,183,255,.38);background:rgba(118,183,255,.08)}
.academy-quiz-form label.academy-quiz-option.is-correct{border-color:rgba(94,230,168,.34);background:rgba(94,230,168,.065)}
.academy-quiz-form label.academy-quiz-option.is-wrong{border-color:rgba(255,177,99,.38);background:rgba(255,177,99,.065)}
.academy-quiz-form label.academy-quiz-option input[type=radio]{appearance:auto;width:18px;height:18px;min-width:18px;max-width:18px;margin:2px 0 0;padding:0;border:0;border-radius:50%;background:transparent;box-shadow:none;accent-color:var(--accent,#5ee6a8);cursor:pointer}
.academy-option-marker{display:grid;place-items:center;width:25px;height:25px;border:1px solid var(--line,#303746);border-radius:7px;color:var(--muted,#9ca3af);font-size:.7rem;font-weight:800;line-height:1}
.academy-quiz-option:has(input:checked) .academy-option-marker{border-color:rgba(118,183,255,.45);color:#d7ebff;background:rgba(118,183,255,.09)}
.academy-quiz-option.is-correct .academy-option-marker{border-color:rgba(94,230,168,.42);color:#bff6db;background:rgba(94,230,168,.09)}
.academy-quiz-option.is-wrong .academy-option-marker{border-color:rgba(255,177,99,.45);color:#ffddb9;background:rgba(255,177,99,.09)}
.academy-option-text{min-width:0;overflow-wrap:anywhere}
.academy-quiz-feedback{display:grid;gap:5px;margin-top:10px;padding:10px 12px;border-top:1px solid var(--line-soft,var(--line));color:var(--muted,#9ca3af);font-size:.78rem;line-height:1.45}
.academy-quiz-feedback strong{color:var(--text);font-weight:700}
.academy-quiz-submit{justify-self:start;min-width:180px}
@media(max-width:680px){.academy-quiz-form .academy-quiz-question{padding:13px 11px}.academy-quiz-form label.academy-quiz-option{grid-template-columns:20px minmax(0,1fr);padding:10px}.academy-option-marker{display:none}.academy-quiz-submit{width:100%}}

/* Shortcuts contextual learning integration */
.academy-learning-card li{position:relative}.academy-inline-shortcut{display:inline-flex;margin-left:8px;text-decoration:none;vertical-align:middle}.academy-inline-shortcut kbd{display:inline-flex;padding:3px 7px;border:1px solid #446073;border-bottom-width:2px;border-radius:6px;background:#0b1118;color:#dbf8ef;font:700 .78rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;white-space:nowrap}.shortcut-learning-booster{margin:20px 0;padding:18px;border:1px solid #285a50;background:linear-gradient(135deg,rgba(29,143,115,.13),rgba(15,22,31,.85));border-radius:14px}.shortcut-learning-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-end;margin-bottom:12px}.shortcut-learning-head h2{margin:.2rem 0}.shortcut-learning-head p{margin:0;color:var(--muted,#91a5bb);max-width:760px}.shortcut-learning-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.shortcut-learning-card{display:flex;gap:10px;align-items:center;padding:10px 12px;background:rgba(4,12,17,.55);border:1px solid #294253;border-radius:10px;text-decoration:none;color:inherit;min-width:0}.shortcut-learning-card kbd{display:inline-flex;align-items:center;min-height:34px;padding:6px 10px;border:1px solid #4b6178;border-bottom-width:3px;border-radius:8px;background:#0b1118;color:#eaf7ff;font:700 .9rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;white-space:nowrap}.shortcut-learning-card div{min-width:0}.shortcut-learning-card strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.shortcut-learning-card small{color:var(--muted,#91a5bb)}@media(max-width:900px){.shortcut-learning-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.shortcut-learning-head{align-items:stretch;flex-direction:column}.shortcut-learning-grid{grid-template-columns:1fr}.shortcut-learning-card strong{white-space:normal}.academy-inline-shortcut{margin-left:4px}.academy-inline-shortcut kbd{font-size:.72rem}}

/* Academy 0.4.5 — FREE Foundation + Supporter learning paths */
.academy-access-badge{display:inline-flex;align-items:center;padding:.2rem .42rem;border:1px solid rgba(255,196,92,.25);border-radius:999px;background:rgba(255,196,92,.08);color:#edc56d;font-size:.58rem;font-weight:900;letter-spacing:.04em}.academy-track-card.locked{border-color:rgba(255,196,92,.12);background:linear-gradient(145deg,rgba(18,26,34,.82),rgba(12,18,25,.76))}.academy-track-card.locked:hover{border-color:rgba(255,196,92,.3)}.academy-track-card.locked footer strong{color:#e8bf69}.academy-free-access{display:flex;align-items:center;justify-content:space-between;gap:1.2rem;padding:1rem 1.15rem;border-color:rgba(94,230,168,.13)}.academy-free-access strong{display:block;margin:.2rem 0 .25rem}.academy-free-access p{margin:0;color:var(--muted);font-size:.8rem;line-height:1.5}.academy-access-panel{max-width:760px;margin:4rem auto;padding:clamp(1.4rem,4vw,2.3rem);text-align:center}.academy-access-panel h1{margin:.65rem 0 .7rem}.academy-access-panel p{max-width:620px;margin:0 auto;color:var(--muted);line-height:1.65}.academy-access-actions{display:flex;justify-content:center;gap:.65rem;flex-wrap:wrap;margin-top:1.25rem}@media(max-width:700px){.academy-free-access{align-items:flex-start;flex-direction:column}.academy-free-access .button{width:100%}.academy-access-actions{align-items:stretch;flex-direction:column}.academy-access-actions .button{width:100%}}

/* Academy 0.4.6 — useful FREE previews and contextual continuation */
.academy-track-access{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin:1rem 0;padding:1rem 1.1rem;border:1px solid rgba(94,230,168,.18);border-radius:14px;background:rgba(94,230,168,.045)}.academy-track-access strong{display:block;margin:.15rem 0 .25rem}.academy-track-access p{margin:0;color:var(--muted);font-size:.82rem;line-height:1.5}.academy-lesson-row.locked{border-color:rgba(255,196,92,.13);background:linear-gradient(145deg,rgba(18,26,34,.78),rgba(12,18,25,.72))}.academy-lesson-row.locked:hover{border-color:rgba(255,196,92,.28)}.academy-lock-badge,.academy-free-preview-badge{display:inline-flex;width:max-content;padding:.25rem .48rem;border-radius:999px;font-size:.6rem;font-weight:900;letter-spacing:.05em}.academy-lock-badge{border:1px solid rgba(255,196,92,.25);background:rgba(255,196,92,.08);color:#edc56d}.academy-free-preview-badge{border:1px solid rgba(94,230,168,.25);background:rgba(94,230,168,.07);color:#bff6db}.academy-context-upgrade{display:flex;align-items:center;justify-content:space-between;gap:1.25rem;margin:1.25rem 0 0;padding:1.1rem 1.2rem;border:1px solid rgba(118,183,255,.21);border-radius:14px;background:linear-gradient(135deg,rgba(118,183,255,.07),rgba(94,230,168,.035))}.academy-context-upgrade h2{margin:.25rem 0 .35rem;font-size:1.25rem}.academy-context-upgrade p{max-width:620px;margin:0;color:var(--muted);font-size:.84rem;line-height:1.55}@media(max-width:700px){.academy-track-access,.academy-context-upgrade{align-items:flex-start;flex-direction:column}.academy-track-access .button,.academy-context-upgrade .button{width:100%}}