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var(--tw-divide-y-reverse)))}:where(.divide-\[var\(--color-border\)\]>:not(:last-child)){border-color:var(--color-border)}.self-center{align-self:center}.self-end{align-self:flex-end}.overflow-hidden{overflow:hidden}.overflow-x-auto{overflow-x:auto}.rounded{border-radius:.25rem}.rounded-\[7px\]{border-radius:7px}.rounded-full{border-radius:3.40282e38px}.border{border-style:var(--tw-border-style);border-width:1px}.border-t{border-top-style:var(--tw-border-style);border-top-width:1px}.border-\[var\(--border-default\)\]{border-color:var(--border-default)}.border-\[var\(--color-border\)\]{border-color:var(--color-border)}.bg-\[var\(--color-bg\)\]{background-color:var(--color-bg)}.bg-\[var\(--color-border\)\]{background-color:var(--color-border)}.bg-\[var\(--mr-gold-500\)\]{background-color:var(--mr-gold-500)}.bg-\[var\(--mr-navy\)\]{background-color:var(--mr-navy)}.bg-\[var\(--mr-navy-800\)\]{background-color:var(--mr-navy-800)}.bg-\[var\(--mr-red\)\]{background-color:var(--mr-red)}.bg-\[var\(--surface-page\)\]{background-color:var(--surface-page)}.bg-white{background-color:var(--color-white)}.bg-white\/20{background-color:#fff3}@supports (color:color-mix(in lab, red, red)){.bg-white\/20{background-color:color-mix(in oklab, var(--color-white) 20%, transparent)}}.p-3{padding:calc(var(--spacing) * 3)}.p-4{padding:calc(var(--spacing) * 4)}.p-5{padding:calc(var(--spacing) * 5)}.p-6{padding:calc(var(--spacing) * 6)}.px-3{padding-inline:calc(var(--spacing) * 3)}.px-3\.5{padding-inline:calc(var(--spacing) * 3.5)}.px-4{padding-inline:calc(var(--spacing) * 4)}.px-7{padding-inline:calc(var(--spacing) * 7)}.py-1{padding-block:var(--spacing)}.py-1\.5{padding-block:calc(var(--spacing) * 1.5)}.py-2{padding-block:calc(var(--spacing) * 2)}.py-3\.5{padding-block:calc(var(--spacing) * 3.5)}.py-10{padding-block:calc(var(--spacing) * 10)}.py-\[22px\]{padding-block:22px}.pt-2{padding-top:calc(var(--spacing) * 2)}.pt-8{padding-top:calc(var(--spacing) * 8)}.pr-0\.5{padding-right:calc(var(--spacing) * .5)}.pb-16{padding-bottom:calc(var(--spacing) * 16)}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.text-2xl{font-size:var(--text-2xl);line-height:var(--tw-leading,var(--text-2xl--line-height))}.text-4xl{font-size:var(--text-4xl);line-height:var(--tw-leading,var(--text-4xl--line-height))}.text-lg{font-size:var(--text-lg);line-height:var(--tw-leading,var(--text-lg--line-height))}.text-sm{font-size:var(--text-sm);line-height:var(--tw-leading,var(--text-sm--line-height))}.text-xl{font-size:var(--text-xl);line-height:var(--tw-leading,var(--text-xl--line-height))}.text-\[11px\]{font-size:11px}.text-\[12px\]{font-size:12px}.text-\[15px\]{font-size:15px}.text-\[20px\]{font-size:20px}.leading-none{--tw-leading:1;line-height:1}.leading-relaxed{--tw-leading:var(--leading-relaxed);line-height:var(--leading-relaxed)}.leading-snug{--tw-leading:var(--leading-snug);line-height:var(--leading-snug)}.font-\[var\(--font-mono\)\]{--tw-font-weight:var(--font-mono);font-weight:var(--font-mono)}.font-bold{--tw-font-weight:var(--font-weight-bold);font-weight:var(--font-weight-bold)}.font-extrabold{--tw-font-weight:var(--font-weight-extrabold);font-weight:var(--font-weight-extrabold)}.font-medium{--tw-font-weight:var(--font-weight-medium);font-weight:var(--font-weight-medium)}.font-semibold{--tw-font-weight:var(--font-weight-semibold);font-weight:var(--font-weight-semibold)}.tracking-\[-0\.01em\]{--tw-tracking:-.01em;letter-spacing:-.01em}.tracking-tight{--tw-tracking:var(--tracking-tight);letter-spacing:var(--tracking-tight)}.whitespace-nowrap{white-space:nowrap}.text-\[var\(--color-on-navy-muted\)\]{color:var(--color-on-navy-muted)}.text-\[var\(--color-text\)\]{color:var(--color-text)}.text-\[var\(--color-text-muted\)\]{color:var(--color-text-muted)}.text-\[var\(--mr-gold\)\]{color:var(--mr-gold)}.text-\[var\(--mr-gold-500\)\]{color:var(--mr-gold-500)}.text-\[var\(--mr-navy\)\]{color:var(--mr-navy)}.text-\[var\(--mr-navy-800\)\]{color:var(--mr-navy-800)}.text-\[var\(--mr-neutral-400\)\]{color:var(--mr-neutral-400)}.text-\[var\(--mr-orange\)\]{color:var(--mr-orange)}.text-\[var\(--mr-red\)\]{color:var(--mr-red)}.text-\[var\(--mr-sage\)\]{color:var(--mr-sage)}.text-\[var\(--text-on-navy\)\]{color:var(--text-on-navy)}.text-white{color:var(--color-white)}.lowercase{text-transform:lowercase}.uppercase{text-transform:uppercase}.italic{font-style:italic}.ordinal{--tw-ordinal:ordinal;font-variant-numeric:var(--tw-ordinal,) var(--tw-slashed-zero,) var(--tw-numeric-figure,) var(--tw-numeric-spacing,) var(--tw-numeric-fraction,)}.tabular-nums{--tw-numeric-spacing:tabular-nums;font-variant-numeric:var(--tw-ordinal,) var(--tw-slashed-zero,) var(--tw-numeric-figure,) var(--tw-numeric-spacing,) var(--tw-numeric-fraction,)}.no-underline{text-decoration-line:none}.underline{text-decoration-line:underline}.shadow{--tw-shadow:0 1px 3px 0 var(--tw-shadow-color,#0000001a), 0 1px 2px -1px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.shadow-\[0_1px_0_rgba\(255\,255\,255\,\.06\)\,var\(--shadow-sm\)\]{--tw-shadow:0 1px 0 var(--tw-shadow-color,#ffffff0f), var(--shadow-sm);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.blur{--tw-blur:blur(8px);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.transition-colors{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}@media (hover:hover){.hover\:border-\[var\(--mr-navy\)\]:hover{border-color:var(--mr-navy)}.hover\:text-\[var\(--mr-navy\)\]:hover{color:var(--mr-navy)}.hover\:text-white:hover{color:var(--color-white)}}@media (width>=40rem){.sm\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}}}:root{--mr-navy:#002664;--mr-navy-2:#1f3a74;--mr-red:#d52b1e;--mr-gold:#fdc82f;--mr-sage:#3a7ca5;--mr-orange:#e9531b;--color-bg:#f4f6f9;--color-surface:#fff;--color-surface-2:#fbfcfe;--color-border:#d7dce3;--color-text:#1a1f2a;--color-text-muted:#5a6472;--color-on-navy:#fff;--color-on-navy-muted:#b8c4da;--color-primary:var(--mr-navy);--color-accent:var(--mr-orange);--color-danger:var(--mr-red);--color-info:var(--mr-sage);--color-highlight:var(--mr-gold);--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--rule:4px;--shadow-sm:0 1px 2px #0a24390f, 0 1px 3px #0a243914;--shadow-md:0 4px 14px #0a24391f;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:64px;--font-sans:"Public Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono:"IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--tracking-kicker:.16em;--mr-navy-50:#f0f4f9;--mr-navy-100:#e1e8f3;--mr-navy-200:#c2d1e8;--mr-navy-300:#93aed6;--mr-navy-400:#5c84c0;--mr-navy-500:#2e5ea6;--mr-navy-600:#1b498f;--mr-navy-700:#0a3577;--mr-navy-800:#002664;--mr-navy-900:#001a45;--mr-red-50:#fcedeb;--mr-red-100:#fae0de;--mr-red-200:#f2b7b1;--mr-red-300:#e88d84;--mr-red-400:#e3574c;--mr-red-500:#d52b1e;--mr-red-600:#a81e14;--mr-red-700:#7e160e;--mr-gold-50:#fef8e4;--mr-gold-100:#fef1cf;--mr-gold-200:#fee49b;--mr-gold-300:#fed85f;--mr-gold-400:#fdce40;--mr-gold-500:#fdc82f;--mr-gold-600:#e5ac00;--mr-gold-700:#b88a00;--mr-sage-50:#ecf3f8;--mr-sage-100:#dce9f1;--mr-sage-200:#b7d0e2;--mr-sage-300:#8ab2cf;--mr-sage-400:#5e9ac0;--mr-sage-500:#3a7ca5;--mr-sage-600:#2e6486;--mr-sage-700:#234b65;--mr-orange-100:#fce3d2;--mr-orange-300:#f3a36a;--mr-orange-500:#e9531b;--mr-orange-600:#c5410f;--mr-neutral-0:#fff;--mr-neutral-50:#f4f6f9;--mr-neutral-100:#eaeef3;--mr-neutral-200:#d7dce3;--mr-neutral-300:#bfc7d1;--mr-neutral-400:#98a2b0;--mr-neutral-500:#5a6472;--mr-neutral-600:#434c59;--mr-neutral-700:#2e3540;--mr-neutral-800:#1a1f2a;--mr-neutral-900:#0f131b;--mr-green-50:#e6f3ec;--mr-green-500:#1e874b;--mr-green-600:#166a3a;--text-strong:var(--mr-navy-800);--text-body:var(--mr-neutral-800);--text-muted:var(--mr-neutral-500);--text-on-navy:#d9e1ef;--surface-page:var(--mr-neutral-50);--surface-card:var(--mr-neutral-0);--surface-sunken:var(--mr-neutral-100);--border-subtle:var(--mr-neutral-100);--border-default:var(--mr-neutral-200);--border-strong:var(--mr-neutral-300);--border-focus:var(--mr-sage-500);--radius-xs:3px;--radius-xl:12px;--radius-pill:999px;--shadow-xs:0 1px 2px #0a243914;--shadow-lg:0 12px 28px #0a243924, 0 4px 8px #0a243914;--ring-focus:0 0 0 3px #1483c259;--font-body:var(--font-sans)}html,body,#root{height:100%}body{font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;font-size:17px;line-height:1.62}.kicker{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:var(--tracking-kicker);font-size:11px;font-weight:500}.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.accent-top{border-top:var(--rule) solid var(--mr-gold)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.btn{border-radius:var(--radius-sm);cursor:pointer;border:1px solid #0000;align-items:center;gap:6px;padding:8px 14px;font-size:14px;font-weight:600;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--mr-navy);color:#fff}.btn-primary:hover:not(:disabled){background:var(--mr-navy-2)}.btn-ghost{background:var(--color-surface);border-color:var(--color-border);color:var(--color-text)}.btn-ghost:hover:not(:disabled){border-color:var(--mr-navy);color:var(--mr-navy)}.btn-ghost[aria-pressed=true]{background:var(--mr-navy);border-color:var(--mr-navy);color:#fff}.badge{text-transform:uppercase;letter-spacing:.04em;border-radius:999px;padding:2px 8px;font-size:10px;font-weight:700;display:inline-block}.badge-core{color:var(--mr-navy);background:#0026641a}.badge-supporting{color:var(--mr-sage);background:#3a7ca524}.badge-focus{color:var(--mr-orange);background:#e9531b1f}.kbd{font-family:var(--font-mono);border:1px solid var(--color-border);background:var(--color-surface-2);color:var(--color-text-muted);border-bottom-width:2px;border-radius:4px;padding:1px 6px;font-size:11px}.field{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);width:100%;color:var(--color-text);padding:10px 12px;font-size:15px}.field:focus{outline:2px solid var(--mr-navy)}@supports (color:color-mix(in lab, red, red)){.field:focus{outline:2px solid color-mix(in srgb, var(--mr-navy) 40%, transparent)}}.field:focus{outline-offset:1px;border-color:var(--mr-navy)}.callout{border-left:var(--rule) solid var(--mr-red);border-radius:var(--radius-sm);background:#d52b1e0f;padding:12px 14px}.callout-info{border-left-color:var(--mr-sage);background:#3a7ca514}@media (prefers-reduced-motion:no-preference){a,button,.card{transition:color .16s,background-color .16s,border-color .16s,transform .12s,box-shadow .16s}}mark{background:var(--mr-gold)}@supports (color:color-mix(in lab, red, red)){mark{background:color-mix(in srgb, var(--mr-gold) 55%, transparent)}}mark{color:inherit;border-radius:2px;padding:0 1px}.diagram svg{max-width:100%;height:auto}@keyframes mr-shimmer{0%{background-position:-680px 0}to{background-position:680px 0}}@keyframes mr-blip{0%,to{opacity:.35}50%{opacity:1}}@keyframes mr-fade{0%{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}.mr-skel{background:linear-gradient(90deg,#eef1f6 0%,#e3e8f0 50%,#eef1f6 100%) 0 0/680px 100%;border-radius:5px;animation:1.5s linear infinite mr-shimmer}.mr-blip-dot{animation:1.1s ease-in-out infinite mr-blip}.mr-enter{animation:mr-fade .22s var(--ease-out,ease) both}@media (prefers-reduced-motion:reduce){.mr-skel,.mr-blip-dot,.mr-enter{animation:none}}@media print{header,footer,[data-print-hide]{display:none!important}main{padding:0!important}.evidence-doc{max-width:none!important;padding:0!important}.evidence-doc tr{break-inside:avoid}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-divide-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}:root{--aid-night:#0a1430;--aid-night-2:#060d20;--aid-deck:#0f1b3d;--aid-stage-border:#24345f;--signal-white:#fbf7e6;--signal-red:#ff3b30;--signal-green:#16d06a;--signal-yellow:#ffd23b;--signal-shape:#1a1f2a;--aid-glow:0 0 6px;--aid-touch:44px}.aid-shell{gap:var(--space-5);flex-direction:column;display:flex}.aid-kicker{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:var(--tracking-kicker);color:var(--mr-orange);font-size:12px;font-weight:600}.aid-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:var(--space-5)}.aid-card--instrument{border-top:var(--rule) solid var(--mr-navy)}.aid-stage{background:radial-gradient(120% 100% at 50% 0%, var(--aid-night) 0%, var(--aid-night-2) 100%);border:1px solid var(--aid-stage-border);border-radius:var(--radius-md);min-height:280px;padding:var(--space-4);place-items:center;display:grid}.aid-stage--day{background:linear-gradient(#cfe0f2 0%,#aebfd6 100%)}.aid-palette{gap:var(--space-2);flex-wrap:wrap;display:flex}.aid-chip{min-height:var(--aid-touch);align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-2);cursor:pointer;font-family:var(--font-sans);color:var(--color-text);font-size:14px;display:inline-flex}.aid-chip[aria-pressed=true]{border-color:var(--mr-orange);box-shadow:inset 0 0 0 1px var(--mr-orange)}.aid-chip:focus-visible{outline:2px solid var(--mr-navy);outline-offset:2px}.aid-control{align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.aid-toggle{border:1px solid var(--color-border);border-radius:var(--radius-md);display:inline-flex;overflow:hidden}.aid-toggle button{min-height:var(--aid-touch);padding:0 var(--space-4);background:var(--color-surface);cursor:pointer;font-family:var(--font-sans);border:0}.aid-toggle button[aria-pressed=true]{background:var(--mr-navy);color:var(--color-on-navy)}.aid-explain{gap:var(--space-2);flex-direction:column;display:flex}.aid-explain-row{gap:var(--space-3);padding:var(--space-2) 0;border-bottom:1px solid var(--color-border);grid-template-columns:16px 1fr;display:grid}.aid-cite{font-family:var(--font-mono);color:var(--color-text-muted);font-size:12px}.aid-verdict{font-family:var(--font-mono);font-weight:600}.aid-verdict--giveway{color:var(--mr-red)}.aid-verdict--standon{color:var(--mr-sage)}.aid-rhythm{align-items:center;gap:var(--space-3);display:flex}.aid-rhythm svg{flex:auto;min-width:0}.aid-play{min-height:var(--aid-touch);align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);border:1px solid var(--mr-navy);border-radius:var(--radius-md);background:var(--mr-navy);color:var(--color-on-navy);cursor:pointer;font-family:var(--font-sans);flex:none;font-size:14px;font-weight:600;display:inline-flex}.aid-play:hover:not(:disabled){background:var(--mr-navy-2);border-color:var(--mr-navy-2)}.aid-play:focus-visible{outline:2px solid var(--mr-orange);outline-offset:2px}.aid-play:disabled{opacity:.5;cursor:not-allowed}.aid-play[aria-pressed=true]{background:var(--mr-orange);border-color:var(--mr-orange)}.aid-play-icon{font-size:11px;line-height:1}@media (width<=600px){.aid-card{padding:var(--space-4)}.aid-stage{min-height:220px}.aid-rhythm{flex-wrap:wrap}.aid-play{justify-content:center;width:100%}}:root{--aid-neutral:#8a96b0;--course-correct:#1a8f4c;--course-correct-bg:#e8f6ee;--course-wrong:var(--mr-red);--course-wrong-bg:#fdecea}.course-root{gap:var(--space-6)}.course-header-title{color:var(--mr-navy);margin:4px 0 2px;font-size:clamp(22px,5vw,30px)}.course-header-sub{max-width:60ch;margin-top:0}.course-map{gap:var(--space-5);flex-direction:column;display:flex}.course-meter-card{gap:var(--space-2);flex-direction:column;display:flex}.course-meter-row{justify-content:space-between;align-items:baseline;gap:var(--space-3);display:flex}.course-meter{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:999px;height:10px;overflow:hidden}.course-meter-fill{background:var(--mr-navy);height:100%;transition:width .24s}.course-readiness{margin:2px 0 0}.course-stage{gap:var(--space-3);flex-direction:column;display:flex}.course-stage-title{color:var(--mr-navy);padding-bottom:var(--space-2);border-bottom:2px solid var(--mr-gold);margin:0;font-size:15px}.course-stage-grid{gap:var(--space-3);grid-template-columns:repeat(auto-fill,minmax(220px,1fr));display:grid}.course-node{gap:var(--space-2);text-align:left;min-height:var(--aid-touch);padding:var(--space-3) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);cursor:pointer;font-family:var(--font-sans);color:var(--color-text);flex-direction:column;transition:border-color .12s,box-shadow .12s;display:flex}.course-node:hover:not(:disabled){border-color:var(--mr-navy);box-shadow:var(--shadow-sm)}.course-node:focus-visible{outline:2px solid var(--mr-navy);outline-offset:2px}.course-node:disabled,.course-node--locked{cursor:not-allowed;opacity:.55}.course-node--mastered{border-left:4px solid var(--course-correct)}.course-node--available{border-left:4px solid var(--mr-orange)}.course-node--frontier{border-color:var(--mr-orange);box-shadow:inset 0 0 0 1px var(--mr-orange)}.course-node-top{align-items:center;gap:var(--space-2);flex-wrap:wrap;display:flex}.course-node-title{font-size:15px;font-weight:600}.course-node-summary{color:var(--color-text-muted);font-size:13px}.course-status--mastered{color:var(--course-correct);font-weight:700}.course-status--available{color:var(--mr-orange);font-weight:700}.course-badge{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.04em;background:var(--mr-navy);color:var(--color-on-navy);border-radius:999px;padding:1px 6px;font-size:10px}.course-frontier-tag{font-family:var(--font-mono);color:var(--mr-orange);font-size:11px;font-weight:600}.course-footer{justify-content:flex-end;display:flex}.course-reset{border-color:var(--mr-red);color:var(--mr-red)}.course-lesson{gap:var(--space-5);flex-direction:column;display:flex}.course-lesson-head{align-items:flex-start;gap:var(--space-4);flex-wrap:wrap;display:flex}.course-lesson-title{color:var(--mr-navy);margin:2px 0 0;font-size:clamp(20px,4.5vw,26px)}.course-back{white-space:nowrap}.course-beat{gap:var(--space-3);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:var(--space-5);flex-direction:column;display:flex}.course-beat--check{border-top:var(--rule) solid var(--mr-navy)}.course-lead{margin:0;font-size:16px}.course-sub{margin:0}.course-note{margin:0;font-size:14px;line-height:1.5}.course-objectives{flex-direction:column;gap:2px;margin:0;padding-left:1.2em;font-size:14px;display:flex}.course-item-stage{height:220px;min-height:200px}.course-item-stage--sound{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-4);height:auto;min-height:0;display:block}.course-item-text{font-size:14px}.course-check{gap:var(--space-3);flex-direction:column;display:flex}.course-check-progress{margin:0}.course-prompt{margin:0;font-size:16px;font-weight:600;line-height:1.45}.course-options{gap:var(--space-2);grid-template-columns:1fr;display:grid}@media (width>=480px){.course-options{grid-template-columns:1fr 1fr}}.course-option{align-items:center;gap:var(--space-3);text-align:left;min-height:var(--aid-touch);padding:var(--space-3) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);cursor:pointer;font-family:var(--font-sans);color:var(--color-text);font-size:15px;transition:border-color .12s,background .12s;display:flex}.course-option:hover:not(:disabled){border-color:var(--mr-navy)}.course-option:focus-visible{outline:2px solid var(--mr-navy);outline-offset:2px}.course-option:disabled{cursor:default}.course-option[aria-pressed=true]{border-color:var(--mr-navy);box-shadow:inset 0 0 0 1px var(--mr-navy)}.course-option--visual{flex-direction:column;align-items:stretch}.course-option--visual .course-item-stage{height:150px;min-height:150px}.course-option--static{cursor:default}.course-option--correct{border-color:var(--course-correct);background:var(--course-correct-bg)}.course-option--correct[aria-pressed=true]{box-shadow:inset 0 0 0 1px var(--course-correct)}.course-option--wrong{border-color:var(--course-wrong);background:var(--course-wrong-bg)}.course-option-label{flex:1}.course-option-mark{font-weight:700}.course-option--correct .course-option-mark{color:var(--course-correct)}.course-option--wrong .course-option-mark{color:var(--course-wrong)}.course-after{gap:var(--space-3);margin-top:var(--space-2);flex-direction:column;display:flex}.course-feedback{background:var(--color-surface-2);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4)}.course-feedback .aid-explain-row:last-child{border-bottom:0}.course-next{align-self:flex-start}.course-verdict--correct{color:var(--course-correct);margin:0}.course-verdict--wrong{color:var(--course-wrong);margin:0}.course-result{gap:var(--space-3);flex-direction:column;display:flex}.course-complete{border-left:4px solid var(--course-correct);background:var(--course-correct-bg);padding:var(--space-3) var(--space-4);margin-bottom:var(--space-3)}.course-node-locked-reason{margin-top:var(--space-2);color:var(--color-text-muted,#6b7280);font-size:.78rem;font-family:var(--font-mono);display:block}.course-review{border-left:4px solid var(--mr-orange)}.course-review--empty{border-left-color:var(--color-border)}.course-review-row{justify-content:space-between;align-items:center;gap:var(--space-4);flex-wrap:wrap;display:flex}.course-review-count{margin:4px 0 0;font-size:16px}.course-review-count strong{color:var(--mr-navy);font-size:20px}.course-review-of{font-weight:400}.course-review-start{border-color:var(--mr-orange);color:var(--mr-orange);font-weight:600}.course-review-start:disabled{opacity:.5;cursor:default;border-color:var(--color-border);color:var(--color-text-muted)}@media (width<=600px){.course-beat{padding:var(--space-4)}.course-stage-grid{grid-template-columns:1fr}}