[hidden]{display:none!important}.study-note{margin-top:.75rem;font-size:.82rem;color:var(--color-text-muted)}.study-message{padding:1rem 0 1.5rem;font-size:.9rem;color:var(--color-text-muted)}.study-section-title{font-size:1rem;font-weight:700;color:var(--color-text);margin-bottom:1rem}.study-section-title__sub{margin-left:.5rem;font-family:var(--font-mono);font-size:.7rem;font-weight:400;color:var(--color-text-muted)}.study-progress{margin-bottom:2rem}.study-progress__list{display:grid;grid-template-columns:repeat(2,1fr);gap:.6rem 1.5rem}.study-progress__row{display:grid;grid-template-columns:7rem 1fr 4.5rem;align-items:center;gap:.75rem;padding:.65rem .9rem;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);text-decoration:none;transition:border-color var(--transition)}.study-progress__row:hover{border-color:var(--color-border-hover)}.study-progress__name{font-size:.88rem}.study-progress__bar{width:100%;height:8px;-webkit-appearance:none;appearance:none;border:none;border-radius:999px;background:var(--color-purple-dim);overflow:hidden}.study-progress__bar::-webkit-progress-bar{background:var(--color-purple-dim);border-radius:999px}.study-progress__bar::-webkit-progress-value{background:var(--color-purple);border-radius:999px}.study-progress__bar::-moz-progress-bar{background:var(--color-purple);border-radius:999px}.study-progress__count{font-family:var(--font-mono);font-size:.78rem;color:var(--color-text-muted);text-align:right}.study-tabs{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}.study-tabs__btn{cursor:pointer}.study-tabs__count{margin-left:.3rem;opacity:.7}.study-actions{display:flex;justify-content:flex-end;margin-top:2rem}.study-reset{font-family:var(--font-mono);font-size:.78rem;color:var(--color-text-muted);background:0 0;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:.5rem 1rem;cursor:pointer;transition:border-color var(--transition),color var(--transition)}.study-reset:hover{border-color:var(--color-border-hover);color:var(--color-text)}@media (max-width:768px){.study-progress__list{grid-template-columns:1fr}}@media (max-width:480px){.study-progress__row{grid-template-columns:5.5rem 1fr 3.8rem}}