.lyrics-nav{position:-webkit-sticky;position:sticky;top:80px;height:calc(100vh - 100px);overflow-y:auto;padding:var(--sp-3) 10px var(--sp-3) 0;scrollbar-width:thin;scrollbar-color:var(--color-border) transparent;scrollbar-gutter:stable}.lyrics-nav::-webkit-scrollbar{width:4px}.lyrics-nav::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:2px}.lyrics-nav__search{position:relative;margin-bottom:var(--sp-3)}.lyrics-nav__search input{width:100%;padding:.5rem .75rem .5rem 2rem;border:1px solid var(--color-border);border-radius:6px;background:var(--color-card-bg);font-size:.85rem;color:var(--color-text);outline:none;transition:border-color .15s}.lyrics-nav__search input::placeholder{color:var(--color-text-faint)}.lyrics-nav__search input:focus{border-color:var(--color-accent)}.lyrics-nav__search-icon{position:absolute;left:.6rem;top:50%;transform:translateY(-50%);color:var(--color-text-faint);font-size:.8rem;pointer-events:none}.lyrics-nav__filters{flex-wrap:nowrap;gap:0;margin-bottom:var(--sp-2);white-space:nowrap;padding-right:4px}.lyrics-nav__filter-item,.lyrics-nav__filters{display:flex;align-items:center}.lyrics-nav__filter-sep{color:var(--color-text-faint);font-size:.72rem;padding:0 .18rem;-webkit-user-select:none;-moz-user-select:none;user-select:none;pointer-events:none}.lyrics-nav__filter-chip{padding:.18rem .35rem;border-radius:4px;border:none;background:transparent;color:var(--color-text-faint);font-size:.72rem;font-weight:600;letter-spacing:.04em;cursor:pointer;transition:background .12s,color .12s}.lyrics-nav__filter-chip:hover{background:var(--color-accent-hover);color:var(--color-accent)}.lyrics-nav__filter-chip.is-active{color:var(--color-accent);font-weight:800}.lyrics-nav__sort-btn{display:flex;align-items:center;gap:.4rem;margin-bottom:var(--sp-3);background:none;border:none;padding:0 .2rem;font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--color-text-faint);cursor:pointer;transition:color .12s}.lyrics-nav__sort-btn:hover{color:var(--color-accent)}.lyrics-nav__type-group{margin-top:var(--sp-5)}.lyrics-nav__type-group:first-of-type{margin-top:0}.lyrics-nav__type-header{display:flex;align-items:center;gap:.5rem;width:100%;background:none;border:none;padding:.3rem .4rem;border-radius:6px;cursor:pointer;text-align:left;transition:background .12s;font-size:1rem;font-weight:400;letter-spacing:.06em;text-transform:uppercase;color:var(--color-text)}.lyrics-nav__type-header:hover{background:var(--color-accent-hover);color:var(--color-accent)}.lyrics-nav__group-chevron{font-size:.65rem;color:var(--color-text-faint);margin-left:auto;flex-shrink:0;transition:transform .2s ease}.lyrics-nav__group-chevron.is-collapsed{transform:rotate(-90deg)}.lyrics-nav__type-tracks{margin-top:.35rem}.lyrics-nav__release-subhead{font-size:.7rem;font-weight:600;color:var(--color-text-faint);padding:.4rem .6rem .15rem;letter-spacing:.03em}.lyrics-nav__item{display:flex;align-items:center;gap:.4rem;padding:.42rem .6rem;border-radius:6px;text-decoration:none;cursor:pointer;transition:background .12s,color .12s;width:100%}.lyrics-nav__item:hover{background:var(--color-accent-hover)}.lyrics-nav__item.is-active{background:var(--color-accent)}.lyrics-nav__item-title{font-size:.82rem;font-weight:400;color:var(--color-text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1 1;min-width:0}.lyrics-nav__item:hover .lyrics-nav__item-title{color:var(--color-accent)}.lyrics-nav__item.is-active .lyrics-nav__item-title{color:#fff;font-weight:500}.lyrics-nav__item-meta{font-size:.68rem;color:var(--color-text-faint);white-space:nowrap;flex-shrink:0;display:flex;align-items:center;gap:.3rem}.lyrics-nav__item.is-active .lyrics-nav__item-meta{color:rgba(255,255,255,.65)}.lyrics-nav__item-num{font-size:.7rem;color:var(--color-text-faint);min-width:1.2rem;flex-shrink:0}.lyrics-nav__item.is-active .lyrics-nav__item-num{color:rgba(255,255,255,.65)}.lyrics-nav__item--track{padding-left:.85rem}.lyrics-nav__badge{font-size:.58rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;border-radius:3px;padding:.1rem .28rem;flex-shrink:0}.lyrics-nav__badge--premium{background:var(--color-accent-sub);color:#fff}.lyrics-nav__badge--draft{background:rgba(111,89,73,.18);color:var(--color-text-faint)}.lyrics-nav__tooltip{position:fixed;z-index:1000;transform:translateY(-50%);pointer-events:none;padding:.38rem .75rem;border-radius:6px;background:var(--color-card-bg);border:1px solid var(--color-border);box-shadow:0 4px 18px rgba(0,0,0,.14);font-size:.82rem;color:var(--color-text);white-space:nowrap;animation:tooltip-appear .12s ease forwards}@keyframes tooltip-appear{0%{opacity:0;translate:-4px 0}to{opacity:1;translate:0 0}}.lyrics-nav__empty{font-size:.85rem;color:var(--color-text-faint);padding:var(--sp-2) .5rem}@media (max-width:900px){.lyrics-nav{position:static;height:auto;overflow-y:visible;border-bottom:1px solid var(--color-border);padding-bottom:var(--sp-3);margin-bottom:var(--sp-3);padding-right:0}}@media (max-width:600px){.lyrics-nav__filters{flex-wrap:wrap;gap:.1rem}.lyrics-nav__type-header{font-size:.9rem;padding:.4rem .3rem}.lyrics-nav__item{padding:.5rem}.lyrics-nav__item--track{padding-left:.65rem}}