/* Finds branch navigation + scalable artist index + smoother curation drawer */
.nav-branch{position:relative;display:flex;align-items:center}
.nav-branch-toggle{display:flex;align-items:center;gap:7px;padding:0;border:0;background:transparent;color:inherit;font-family:"DM Mono",monospace;font-size:11px;letter-spacing:.08em;cursor:pointer;opacity:.68}
.nav-branch-toggle:hover,.nav-branch-toggle.active,.nav-branch.open .nav-branch-toggle{opacity:1}
.nav-branch-chevron{display:inline-block;font-size:12px;line-height:1;transition:transform .28s cubic-bezier(.22,1,.36,1)}
.nav-branch.open .nav-branch-chevron{transform:rotate(90deg)}
.nav-submenu{position:absolute;top:calc(100% + 25px);left:-18px;min-width:150px;padding:13px 14px 13px 29px;border:1px solid rgba(255,255,255,.1);background:rgba(9,9,9,.96);backdrop-filter:blur(18px);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-7px);transition:opacity .24s ease,transform .32s cubic-bezier(.22,1,.36,1),visibility 0s linear .32s}
.nav-submenu::before{content:"";position:absolute;left:17px;top:12px;bottom:12px;width:1px;background:rgba(255,255,255,.17)}
.nav-branch.open .nav-submenu{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0);transition-delay:0s}
.nav-submenu a{display:block;padding:8px 0;font-size:10px;white-space:nowrap;opacity:.58}
.nav-submenu a:hover,.nav-submenu a.active{opacity:1}
.page-archive .nav-submenu{background:rgba(179,179,179,.97);border-color:rgba(0,0,0,.18)}
.page-archive .nav-submenu::before{background:rgba(0,0,0,.24)}

/* ARTIST -> ALBUMS / SONGS branch */
.artist-index{border-top:1px solid var(--line)}
.artist-node{border-bottom:1px solid var(--line)}
.artist-toggle{width:100%;display:grid;grid-template-columns:minmax(0,1fr) auto 26px;gap:22px;align-items:center;padding:20px 2px;border:0;background:transparent;color:inherit;text-align:left;cursor:pointer}
.artist-toggle:hover{background:rgba(255,255,255,.025)}
.artist-name{font-size:clamp(22px,2.4vw,36px);font-weight:600;letter-spacing:-.045em}
.artist-count{font-family:"DM Mono",monospace;font-size:9px;letter-spacing:.08em;color:var(--muted);text-transform:uppercase}
.artist-arrow{font-size:18px;text-align:right;transition:transform .32s cubic-bezier(.22,1,.36,1)}
.artist-node.open .artist-arrow{transform:rotate(90deg)}
.artist-children{display:grid;grid-template-rows:0fr;opacity:.55;transition:grid-template-rows .42s cubic-bezier(.22,1,.36,1),opacity .28s ease}
.artist-node.open .artist-children{grid-template-rows:1fr;opacity:1}
.artist-children-inner{overflow:hidden}
.artist-tree{margin:0 0 24px 22px;padding:3px 0 3px 25px;border-left:1px solid var(--line);display:grid;grid-template-columns:1fr 1.45fr;gap:28px}
.artist-tree-label{margin:0 0 12px;font-family:"DM Mono",monospace;font-size:9px;letter-spacing:.09em;color:var(--muted)}
.artist-album-list,.artist-song-list{display:flex;flex-direction:column;gap:0}
.artist-album{padding:8px 0;border-top:1px solid rgba(255,255,255,.07);font-size:13px;color:#a7a39b}
.artist-song{width:100%;display:flex;justify-content:space-between;gap:16px;padding:8px 0;border:0;border-top:1px solid rgba(255,255,255,.07);background:transparent;color:inherit;text-align:left;cursor:pointer;font-size:13px}
.artist-song:hover{opacity:.66}
.artist-song small{font-family:"DM Mono",monospace;font-size:9px;color:var(--muted);white-space:nowrap}
.artist-empty{padding:8px 0;color:var(--muted);font-size:12px}

/* Smoother curation drawer: transform + opacity only, so the cost stays low. */
.track-drawer{visibility:hidden;transition:visibility 0s linear .62s}
.track-drawer.open{visibility:visible;transition-delay:0s}
.drawer-backdrop{transition:opacity .46s ease!important}
.drawer-panel{transform:translate3d(102%,0,0)!important;transition:transform .58s cubic-bezier(.22,1,.36,1)!important;will-change:transform;box-shadow:-20px 0 50px rgba(0,0,0,0)}
.track-drawer.open .drawer-panel{transform:translate3d(0,0,0)!important;box-shadow:-20px 0 50px rgba(0,0,0,.18)}
#drawerContent{opacity:0;transform:translateY(10px);transition:opacity .28s ease,transform .42s cubic-bezier(.22,1,.36,1)}
.track-drawer.open #drawerContent{opacity:1;transform:translateY(0);transition-delay:.12s}

@media(max-width:700px){
  .main-nav .nav-branch{display:block}
  .nav-branch-toggle{width:100%;justify-content:space-between;font-size:11px}
  .nav-submenu{position:relative;top:auto;left:auto;min-width:0;margin-top:0;padding:0 0 0 22px;border:0;background:transparent!important;backdrop-filter:none;max-height:0;overflow:hidden;opacity:0;visibility:visible;transform:none;transition:max-height .36s cubic-bezier(.22,1,.36,1),opacity .24s ease,padding .36s cubic-bezier(.22,1,.36,1)}
  .nav-submenu::before{left:8px;top:5px;bottom:5px}
  .nav-branch.open .nav-submenu{max-height:110px;padding-top:9px;padding-bottom:2px;opacity:1}
  .nav-submenu a{padding:7px 0}
  .artist-toggle{grid-template-columns:minmax(0,1fr) auto 20px;gap:10px;padding:18px 0}
  .artist-count{font-size:8px}
  .artist-tree{margin-left:8px;padding-left:18px;grid-template-columns:1fr;gap:24px}
}