diff --git a/templates/index.html b/templates/index.html
index c73065b..87a1906 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -48,6 +48,7 @@ if(downloadBody){fetchDownloads();setInterval(fetchDownloads,4000)}
 <style>
 .season-divider td{padding:6px 10px;background:#1b1b1b;border-top:1px solid #444;border-bottom:1px solid #303030;color:#aaa;font-size:11px;font-weight:700;letter-spacing:.3px}
 #seriesList{overflow:visible}.series{overflow:visible!important}.series summary{position:sticky!important;top:0!important}
+.series[open] table{animation:seriesExpand .38s cubic-bezier(.2,.75,.25,1) both;transform-origin:top center}.series summary::after{content:'⌄';margin-left:auto;color:#929292;font-size:16px;line-height:1;transition:transform .3s ease,color .3s ease}.series[open] summary::after{transform:rotate(180deg);color:#60a9e6}@keyframes seriesExpand{from{opacity:0;transform:translateY(-8px) scaleY(.98)}to{opacity:1;transform:translateY(0) scaleY(1)}}
 .series{position:relative;margin-bottom:14px;border:1px solid #353b46;border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.14);transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease}.series:hover{border-color:#4a5565;box-shadow:0 12px 30px rgba(0,0,0,.24);transform:translateY(-1px)}.series-current{border-color:#557ba5;box-shadow:0 0 0 1px rgba(96,169,230,.18),0 14px 34px rgba(0,0,0,.25)}.series summary{position:sticky;top:0;z-index:5;display:flex;align-items:center;min-height:46px;padding:12px 14px;background:rgba(40,40,40,.96);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:background .25s ease,border-color .25s ease,color .25s ease}.series-current summary{background:rgba(47,61,78,.98)}.series summary::marker{color:#60a9e6}.series[open] summary{border-bottom-color:#3d444f;box-shadow:0 4px 14px rgba(0,0,0,.16)}.series summary:hover{background:rgba(54,60,70,.97);color:#fff}.series summary .muted{margin-left:7px}.series table tbody tr:not(.season-divider){animation:rowIn .35s ease both;transition:background .2s ease,transform .2s ease}.series table tbody tr:not(.season-divider):hover{background:#292e36;transform:translateX(2px)}.season-divider td{position:sticky;top:46px;z-index:4;background:rgba(27,27,27,.96);backdrop-filter:blur(8px)}
 .state.downloading,.downloading-badge{animation:downloadPulse 2s ease-in-out infinite}.progress-bar span{position:relative;overflow:hidden}.progress-bar span::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 20%,rgba(255,255,255,.25) 48%,transparent 72%);animation:progressShimmer 1.8s linear infinite}.nav button{transition:color .2s ease,background .2s ease,transform .2s ease}.nav button:hover{transform:translateY(-1px)}.badge{transition:transform .18s ease,filter .18s ease}.badge:hover{transform:translateY(-2px);filter:brightness(1.15)}
 @keyframes rowIn{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}@keyframes downloadPulse{0%,100%{box-shadow:0 0 0 rgba(113,60,158,0)}50%{box-shadow:0 0 14px rgba(146,87,194,.35)}}@keyframes progressShimmer{from{transform:translateX(-100%)}to{transform:translateX(100%)}}