.exercise-editor{--ee-bg:#0d141b;--ee-card:#1b2632;--ee-input:#17212b;--ee-border:#303b47;--ee-accent:#b8ff3b;--ee-cyan:#00c8ff;--ee-text:#fff;--ee-muted:#aab6c4;--ee-warning:#f5b544;--ee-danger:#ef6464;--ee-radius:18px;color:var(--ee-text);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.exercise-editor .ee-brand{letter-spacing:.14em;text-transform:uppercase;color:var(--ee-cyan);margin-bottom:6px;font-size:11px;font-weight:800}.exercise-editor .ee-breadcrumb{color:var(--ee-muted);margin-bottom:10px;font-size:13px}.exercise-editor .ee-breadcrumb a{color:var(--ee-cyan);font-weight:600;text-decoration:none}.exercise-editor .ee-breadcrumb a:hover{text-decoration:underline}.exercise-editor .ee-card{background:var(--ee-card);border:1px solid var(--ee-border);border-radius:var(--ee-radius);margin-bottom:16px;padding:22px}.exercise-editor h1.ee-title{margin:0 0 2px;font-size:28px;line-height:1.2}.exercise-editor 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