.etude-page{max-width:38rem;margin:0 auto;padding:0}.etude-head{margin-bottom:2rem}.etude-kicker{font-family:var(--sans);font-size:var(--label-size);letter-spacing:var(--label-tracking);text-transform:uppercase;color:var(--muted);font-weight:600;margin:0 0 .6rem}.etude-title{font-family:var(--serif-display);font-size:2.25rem;line-height:1.15;margin:0 0 .5rem;letter-spacing:-.01em}.etude-relief{font-family:var(--serif);font-style:italic;color:var(--muted);font-size:1.05rem;margin:0 0 1rem;line-height:1.45}.etude-nav{font-family:var(--sans);font-size:.85rem;color:var(--muted)}.etude-nav a{color:var(--muted);text-decoration:none}.etude-nav a:hover{color:var(--accent)}.etude-nav-sep{margin:0 .5rem;opacity:.5}.etude-intro{margin:0 0 1.5rem}.etude-intro p{margin:0 0 .85rem;line-height:1.6}.etude-progress{display:flex;gap:.5rem;margin:2rem 0 1.25rem;justify-content:center}.etude-dot{width:.5rem;height:.5rem;border-radius:50%;background:var(--line);transition:background .24s ease,transform .24s ease,box-shadow .24s ease}.etude-dot-done{background:var(--accent)}.etude-dot-current{background:var(--accent);transform:scale(1.4)}.etude-stage{min-height:22rem}.etude-card{background:var(--bg-soft);border-radius:12px;padding:1.5rem 1.5rem 1.25rem}.etude-step{font-family:var(--sans);font-size:var(--label-size);letter-spacing:var(--label-tracking);text-transform:uppercase;color:var(--muted);font-weight:600;margin:0 0 .6rem}.etude-card-title{font-family:var(--serif-display);font-size:1.5rem;line-height:1.25;margin:0 0 .85rem;letter-spacing:-.005em;color:var(--text)}.etude-card-context{margin:0 0 1.4rem;line-height:1.6;color:var(--text)}.etude-choices{display:flex;flex-direction:column;gap:.6rem}.etude-choice{appearance:none;-webkit-appearance:none;font-family:inherit;text-align:left;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:.85rem 1rem;min-height:2.75rem;cursor:pointer;display:flex;flex-direction:column;gap:.3rem;color:var(--text);transition:border-color .18s ease,background .18s ease,transform .12s ease,box-shadow .18s ease}.etude-choice:hover:not(:disabled){border-color:var(--accent);background:var(--bg);box-shadow:0 1px 3px #2b25200f}.etude-choice:active:not(:disabled){transform:scale(.99)}.etude-choice:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.etude-choice:disabled{cursor:default;opacity:.55}.etude-choice-label{display:flex;align-items:center;gap:.55rem;font-weight:600;font-size:1rem;color:var(--text)}.etude-choice-letter{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:1.5rem;height:1.5rem;border-radius:50%;background:var(--line);color:var(--text);font-family:var(--sans);font-size:.72rem;font-weight:700;letter-spacing:.02em;transition:background .18s ease,color .18s ease}.etude-choice:hover:not(:disabled) .etude-choice-letter{background:var(--accent);color:var(--bg)}.etude-choice-desc{font-size:.92rem;color:var(--muted);line-height:1.5;padding-left:2.05rem}.etude-choice-combo{border-style:dashed}.etude-choice-picked{opacity:1;border-color:var(--accent);background:#8a34200f}.etude-choice-picked .etude-choice-letter{background:var(--accent);color:var(--bg)}.etude-choice-correct{opacity:1;border-color:#2d7a3e;background:#2d7a3e0d}.etude-choice-correct .etude-choice-letter{background:#2d7a3e;color:#fff}.etude-choice-picked.etude-choice-correct{background:#2d7a3e1a}.etude-feedback:not(:empty){margin-top:1.25rem}.etude-verdict{border-top:1px solid var(--line);padding-top:1.1rem}.etude-verdict-label{font-family:var(--sans);font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;font-weight:700;margin:0 0 .55rem}.etude-verdict-right .etude-verdict-label{color:#2d7a3e}.etude-verdict-partial .etude-verdict-label{color:#b87333}.etude-verdict-wrong .etude-verdict-label{color:var(--accent)}.etude-verdict-text{margin:0 0 1.25rem;line-height:1.6;color:var(--text)}.etude-next{appearance:none;-webkit-appearance:none;font-family:var(--sans);font-size:.9rem;font-weight:600;letter-spacing:.01em;padding:.65rem 1.2rem;border:none;background:var(--text);color:var(--bg);border-radius:6px;cursor:pointer;transition:background .18s ease,transform .12s ease}.etude-next:hover{background:var(--accent)}.etude-next:active{transform:scale(.97)}.etude-next:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.etude-next:after{content:" →"}.etude-card-score{text-align:left}.etude-score-headline{font-family:var(--serif-display);font-size:2rem;line-height:1.1;margin:0 0 .85rem;letter-spacing:-.01em}.etude-score-fraction{color:var(--accent);font-weight:700}.etude-score-divider{color:var(--muted);font-weight:400;margin:0 .05em}.etude-score-mix{margin:0 0 1rem;color:var(--muted);font-size:.95rem}.etude-score-detail{margin:0 0 1.5rem;line-height:1.6;color:var(--text)}.etude-coda{margin:2.5rem 0 0;padding-top:1.25rem;border-top:1px solid var(--line)}.etude-coda p{color:var(--muted);font-style:italic;line-height:1.6;margin:0}@media(max-width:32rem){.etude-title{font-size:1.85rem}.etude-card{padding:1.15rem 1.1rem 1rem;border-radius:10px}.etude-card-title{font-size:1.3rem}.etude-choice{padding:.75rem .85rem}.etude-choice-desc{padding-left:0}}