:root{
  --bg:#F6F8FB;
  --paper:#FCFDFE;
  --ink:#2E3440;
  --soft:#5A6678;
  --rule:#E4E8EF;
  --accent:#4F6886;
  --accent-soft:#A7B6CA;
  --s0:#8FB0A8;
  --s1:#8AA6C6;
  --s2:#E3C45E;
  --s3:#CC9B98;
  --danger:#8B4C50;
  --shadow:0 16px 50px rgba(46,52,64,.12);
  --drawer-width:390px;
  --fs-body:1rem;
  --fs-note:.92rem;
  --fs-dense:.84rem;
  --fs-micro:.72rem;
  --fs-card:1.28rem;
  --fs-h2:clamp(1.5rem,4vw,1.9rem);
  --fs-h1:clamp(2.25rem,5vw,3.3rem);
}

*{box-sizing:border-box}
html{min-height:100%;background:var(--bg)}
body{margin:0;min-height:100vh;background:var(--bg);color:var(--ink);font-family:'Inter',system-ui,sans-serif;font-size:var(--fs-body);line-height:1.6}
button,input{font:inherit;color:inherit}
input[type="range"],input[type="checkbox"]{accent-color:var(--accent)}
button,a{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
a{color:var(--accent)}
svg{width:1.15em;height:1.15em;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.symbol-sprite{position:absolute;width:0;height:0;overflow:hidden}
[hidden]{display:none!important}

:focus-visible{outline:3px solid var(--accent-soft);outline-offset:3px}

.eyebrow,.mono-label{font-family:'JetBrains Mono',monospace;font-size:var(--fs-micro);font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--soft)}
.eyebrow{margin:0 0 .75rem}
h1,h2{font-family:'Newsreader',Georgia,serif;font-weight:600;letter-spacing:-.025em}
h1{margin:0;font-size:var(--fs-h1);line-height:1.02}
h2{font-size:var(--fs-h2);line-height:1.16}

.login-view{display:grid;min-height:100vh;place-items:center;padding:2rem;background:linear-gradient(90deg,var(--bg) 0,var(--bg) 49.8%,var(--paper) 49.8%,var(--paper) 100%)}
.login-panel{width:min(100%,430px);padding:3.5rem;background:var(--paper);border:1px solid var(--rule);box-shadow:var(--shadow)}
.login-panel h1{margin-bottom:1rem}
.login-panel label,.add-source label{display:block;margin-bottom:.45rem;font-size:var(--fs-dense);font-weight:600}
input{width:100%;border:1px solid var(--accent-soft);background:#fff;padding:.8rem .9rem;border-radius:4px}
input::placeholder{color:#7B8797}
.login-panel input{margin-bottom:1rem}
.form-error{margin:.4rem 0 .8rem;color:var(--danger);font-size:var(--fs-dense)}
.primary-button,.secondary-button{border:1px solid var(--accent);border-radius:4px;padding:.72rem 1rem;font-size:var(--fs-dense);font-weight:600}
.primary-button{width:100%;background:var(--accent);color:#fff}
.secondary-button{background:var(--paper);color:var(--accent)}
.primary-button:hover{background:#415A77}
.secondary-button:hover{border-color:var(--ink);color:var(--ink)}

.icon-button{display:grid;place-items:center;width:42px;height:42px;border:1px solid var(--rule);border-radius:50%;background:rgba(252,253,254,.94)}
.icon-button:hover{border-color:var(--accent-soft);color:var(--accent)}
.menu-button{position:fixed;z-index:40;top:24px;left:24px;box-shadow:0 5px 20px rgba(46,52,64,.08)}
.scrim{position:fixed;z-index:50;inset:0;background:rgba(46,52,64,.32);backdrop-filter:blur(2px)}
.drawer{position:fixed;z-index:60;inset:0 auto 0 0;width:min(var(--drawer-width),92vw);display:flex;flex-direction:column;padding:26px 24px 22px;background:var(--paper);border-right:1px solid var(--rule);box-shadow:var(--shadow);overflow-y:auto;transform:translateX(-102%);visibility:hidden;transition:transform .22s ease,visibility .22s}
.drawer.is-open{transform:translateX(0);visibility:visible}
.drawer-resize-handle{position:absolute;z-index:2;top:0;right:0;width:9px;height:100%;cursor:ew-resize;touch-action:none}
.drawer-resize-handle::after{content:"";position:absolute;top:0;bottom:0;left:7px;width:1px;background:transparent}
.drawer-resize-handle:hover::after,.drawer-resize-handle:focus-visible::after{background:var(--accent-soft)}
.drawer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;padding-bottom:1.25rem;border-bottom:1px solid var(--rule)}
.drawer-head-actions{display:flex;gap:.4rem}
.drawer-head-actions .icon-button{width:38px;height:38px}
#pinDrawer[aria-pressed="true"]{color:var(--accent);border-color:var(--accent-soft);background:#F2F5F9}
.drawer-title{margin:0;font-family:'Newsreader',Georgia,serif;font-size:var(--fs-body);font-weight:600}
.view-nav{display:grid;gap:3px;padding:1rem 0}
.view-link{display:flex;align-items:center;justify-content:space-between;width:100%;padding:.6rem .7rem;border:0;border-left:3px solid transparent;background:transparent;text-align:left;font-size:var(--fs-note)}
.view-link strong{font-family:'JetBrains Mono',monospace;font-size:var(--fs-micro);font-weight:500;color:var(--soft)}
.view-link:hover,.view-link.is-active{border-left-color:var(--accent);background:#F7F9FC;color:var(--accent)}
.collection-list{display:grid;gap:2px;margin-bottom:.35rem}
.collection-row{display:flex;align-items:center;justify-content:space-between;width:100%;padding:.52rem .7rem;border:0;border-left:3px solid var(--s3);background:transparent;text-align:left;font-size:var(--fs-dense)}
.collection-row.is-system{border-left-color:var(--accent-soft)}
.collection-row:hover,.collection-row.is-active{background:#F7F9FC;color:var(--accent)}
.collection-row strong{font-family:'JetBrains Mono',monospace;font-size:var(--fs-micro);font-weight:500;color:var(--soft)}
.drawer-section-head{display:flex;align-items:center;justify-content:space-between;margin:.5rem 0 .55rem;padding-top:1rem;border-top:1px solid var(--rule);font-size:var(--fs-dense);font-weight:600}
.source-list{display:grid;gap:2px}
.source-group{margin-top:.45rem}
.source-group-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;padding:.55rem .65rem;border:0;background:transparent;color:var(--soft);font-family:'JetBrains Mono',monospace;font-size:var(--fs-micro);letter-spacing:.08em;text-transform:uppercase;text-align:left}
.source-group-toggle:hover{color:var(--accent)}
.source-group-toggle span{display:flex;align-items:center;gap:.45rem}
.source-group-toggle small{font-size:inherit;color:var(--soft)}
.source-group-toggle svg{transition:transform .18s ease}
.source-group-toggle[aria-expanded="false"] svg{transform:rotate(-90deg)}
.source-group-items{display:grid;gap:2px}
.source-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;border-left:3px solid var(--s1)}
.source-row[data-type="youtube_playlist"]{border-left-color:var(--s0)}
.source-select{display:flex;align-items:center;justify-content:space-between;gap:.7rem;min-width:0;padding:.48rem .65rem;border:0;background:transparent;text-align:left;font-size:var(--fs-dense)}
.source-select span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.source-select:hover,.source-row.is-active .source-select{color:var(--accent);background:#F7F9FC}
.source-unread{font-family:'JetBrains Mono',monospace;font-size:var(--fs-micro);color:var(--soft)}
.source-toggle{position:relative;width:30px;height:18px;margin-right:.55rem;border:1px solid var(--accent-soft);border-radius:20px;background:transparent}
.source-toggle::after{content:"";position:absolute;top:3px;left:3px;width:10px;height:10px;border-radius:50%;background:var(--soft);transition:transform .18s ease}
.source-toggle[aria-pressed="true"]::after{transform:translateX(12px);background:var(--accent)}
.source-row.has-error .source-select::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--s3)}
.add-source{margin-top:1.1rem;border-top:1px solid var(--rule);padding-top:1rem}
.add-source summary{display:flex;align-items:center;gap:.55rem;list-style:none;color:var(--accent);font-size:var(--fs-dense);font-weight:600;cursor:pointer}
.add-source summary::-webkit-details-marker{display:none}
.add-source form{padding:.9rem .25rem .2rem}
.compact-form{margin-top:.35rem;padding-top:.55rem;border-top:0}
.add-source input{margin-bottom:.35rem}
.field-hint{margin:.2rem 0 .8rem;color:var(--soft);font-size:var(--fs-micro)}
.drawer-footer{display:grid;gap:.2rem;margin-top:auto;padding-top:1.5rem;border-top:1px solid var(--rule)}
.quiet-action{display:flex;align-items:center;gap:.6rem;padding:.5rem .25rem;border:0;background:transparent;color:var(--soft);font-size:var(--fs-dense);text-decoration:none;text-align:left}
.quiet-action:hover{color:var(--accent)}

main{min-height:100vh;background:var(--paper);padding:64px 60px 120px}
.reader-wrap{max-width:1120px;margin:0 auto}
.page-head{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2.5rem;align-items:end;padding-bottom:2.2rem;border-bottom:1px solid var(--rule)}
.head-actions{display:flex;gap:.45rem;flex-wrap:wrap;justify-content:flex-end}
.text-button{display:inline-flex;align-items:center;gap:.45rem;border:0;background:transparent;padding:.55rem .65rem;color:var(--soft);font-size:var(--fs-dense)}
.text-button:hover{color:var(--accent)}
.text-button.is-loading svg{animation:spin .8s linear infinite}
.controls{display:flex;align-items:center;justify-content:space-between;gap:2rem;padding:1.2rem 0}
.search-field{display:flex;align-items:center;gap:.55rem;width:min(440px,100%);color:var(--soft)}
.search-field input{border:0;border-bottom:1px solid var(--rule);border-radius:0;background:transparent;padding:.55rem 0}
.search-field:focus-within{color:var(--accent)}
.search-field:focus-within input{border-color:var(--accent);outline:0}
.result-meta{margin:0;color:var(--soft);font-family:'JetBrains Mono',monospace;font-size:var(--fs-micro);letter-spacing:.05em;text-transform:uppercase}

.timeline{position:relative;margin-top:.35rem;padding-left:31px}
.timeline::before{content:"";position:absolute;top:0;bottom:0;left:7px;width:1px;background:var(--rule)}
.date-heading{position:relative;margin:2.5rem 0 .55rem;padding-top:.9rem;border-top:1px solid var(--rule);font-family:'JetBrains Mono',monospace;font-size:var(--fs-micro);letter-spacing:.08em;text-transform:uppercase;color:var(--soft)}
.date-heading:first-child{margin-top:0}
.feed-item{position:relative;display:grid;grid-template-columns:240px minmax(0,1fr);gap:1.5rem;padding:1.35rem 0;border-bottom:1px solid var(--rule)}
.feed-item::before{content:"";position:absolute;left:-28px;top:1.75rem;width:9px;height:9px;border:3px solid var(--paper);border-radius:50%;background:var(--s1);box-shadow:0 0 0 1px var(--accent-soft)}
.feed-item[data-source-type*="playlist"]::before{background:var(--s0)}
.feed-item.is-read{opacity:.67}
.feed-item.is-focused{outline:1px solid var(--accent-soft);outline-offset:8px}
.thumb-button{position:relative;display:block;width:100%;aspect-ratio:16/9;padding:0;border:0;background:#E8ECF2;overflow:hidden;border-radius:4px}
.thumb-button img{display:block;width:100%;height:100%;object-fit:cover}
.thumb-button::after{content:"";position:absolute;inset:0;background:rgba(20,25,32,0);transition:background .18s ease}
.thumb-button:hover::after{background:rgba(20,25,32,.12)}
.thumb-play{position:absolute;z-index:1;left:50%;top:50%;display:grid;place-items:center;width:42px;height:42px;transform:translate(-50%,-50%);border-radius:50%;background:rgba(252,253,254,.93);color:var(--ink);box-shadow:0 4px 16px rgba(20,25,32,.18)}
.item-body{min-width:0}
.item-meta{display:flex;align-items:center;gap:.55rem;flex-wrap:wrap;margin-bottom:.42rem;color:var(--soft);font-size:var(--fs-micro)}
.source-tag{font-family:'JetBrains Mono',monospace;letter-spacing:.05em;text-transform:uppercase;color:var(--accent)}
.meta-separator{color:var(--soft)}
.item-title{margin:0;font-family:'Newsreader',Georgia,serif;font-size:var(--fs-card);font-weight:600;line-height:1.18;letter-spacing:-.01em;overflow-wrap:anywhere}
.item-title a{color:var(--ink);text-decoration:none}
.item-title a:hover{color:var(--accent)}
.item-description{max-width:720px;margin:.65rem 0 0;color:var(--soft);font-size:var(--fs-note)}
.item-description summary{width:max-content;color:var(--accent);font-size:var(--fs-dense);cursor:pointer}
.item-description p{margin:.45rem 0 0;white-space:pre-line;line-height:1.55}
.item-actions{display:flex;align-items:center;gap:.1rem;flex-wrap:wrap;margin-top:.8rem}
.item-action{display:inline-flex;align-items:center;gap:.38rem;padding:.38rem .48rem;border:0;background:transparent;color:var(--soft);font-size:var(--fs-micro)}
.item-action:hover,.item-action.is-active{color:var(--accent)}
.item-action.is-active svg{fill:var(--s2);stroke:#9D8230}
.item-action.read-action.is-active svg{fill:none;stroke:var(--accent)}
.empty-state{padding:6rem 1rem;text-align:center;color:var(--soft)}
.empty-state h2{margin:0 0 .6rem;color:var(--ink)}
.empty-state p{margin:0 auto;max-width:520px;font-size:var(--fs-note)}
.skeleton{height:170px;margin:1rem 0;border-bottom:1px solid var(--rule);background:linear-gradient(90deg,transparent,#F0F3F7,transparent);background-size:200% 100%;animation:shimmer 1.4s ease infinite}
.load-more{display:block;margin:2rem auto 0;padding:.7rem 1.25rem;border:1px solid var(--rule);background:transparent;color:var(--accent);font-size:var(--fs-dense)}
.load-more:hover{border-color:var(--accent-soft)}

.video-dialog{width:min(960px,94vw);padding:0;border:1px solid var(--rule);background:var(--paper);box-shadow:var(--shadow)}
.video-dialog::backdrop{background:rgba(46,52,64,.5);backdrop-filter:blur(3px)}
.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.8rem 1rem;border-bottom:1px solid var(--rule)}
.dialog-head p{min-width:0;margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:var(--fs-note);font-weight:600}
.video-frame-wrap{position:relative;aspect-ratio:16/9;background:#111}
.video-frame-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.playlist-dialog{width:min(460px,92vw);padding:0;border:1px solid var(--rule);background:var(--paper);box-shadow:var(--shadow)}
.playlist-dialog::backdrop{background:rgba(46,52,64,.5);backdrop-filter:blur(3px)}
.playlist-choices{display:grid;gap:.25rem;padding:1rem}
.playlist-choice{display:flex;align-items:center;gap:.75rem;padding:.65rem;border-left:3px solid var(--s3);background:#F7F9FC;font-size:var(--fs-note)}
.playlist-choice input{width:1rem;height:1rem;margin:0}
.toast{position:fixed;z-index:100;right:24px;bottom:24px;max-width:min(420px,calc(100vw - 48px));padding:.75rem 1rem;border-left:4px solid var(--s0);background:var(--ink);color:#fff;box-shadow:var(--shadow);font-size:var(--fs-dense)}

.back-button{margin:0 0 1.5rem;padding-left:0}
.back-button svg{transform:rotate(90deg)}
.watch-page{max-width:1400px;margin:0 auto}
.watch-shell{max-width:1040px;margin:0 auto;transition:max-width .2s ease}
.watch-shell.is-theater{max-width:1400px}
.watch-toolbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:.65rem}
.watch-toolbar .eyebrow{margin:0}
.watch-frame{position:relative;aspect-ratio:16/9;background:#111;box-shadow:var(--shadow)}
.watch-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.watch-details{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:3rem;padding-top:2rem}
.watch-details h1{font-size:var(--fs-h2);line-height:1.12}
.watch-actions{display:flex;gap:.4rem;flex-wrap:wrap;margin:.8rem 0 1.4rem}
.watch-description{border-top:1px solid var(--rule);padding-top:1rem;color:var(--soft)}
.watch-description summary{width:max-content;color:var(--accent);font-size:var(--fs-dense);cursor:pointer}
.watch-description p{white-space:pre-line;font-size:var(--fs-note);line-height:1.6}
.download-panel{align-self:start;padding:1.4rem;border-left:4px solid var(--s0);background:#F7F9FC}
.download-panel h2{margin:.1rem 0 1rem;font-size:var(--fs-card)}
.download-panel label{display:block;margin:.8rem 0 .35rem;font-size:var(--fs-dense);font-weight:600}
.download-panel select{width:100%;padding:.65rem;border:1px solid var(--accent-soft);border-radius:4px;background:#fff;font:inherit;font-size:var(--fs-dense)}
.download-panel .primary-button{margin-top:1rem}
.download-ready{display:inline-flex;margin-top:.7rem;color:var(--accent);font-weight:600}

.settings-page{max-width:980px;margin:0 auto}
.settings-grid{display:grid;gap:1px;margin-top:2rem;background:var(--rule);border:1px solid var(--rule)}
.setting-block{padding:2rem;background:var(--paper)}
.setting-block h2{margin:0 0 .85rem;font-size:var(--fs-card)}
.setting-block p{margin:.6rem 0 0;max-width:720px;color:var(--soft);font-size:var(--fs-note)}
.setting-block label{display:flex;align-items:center;justify-content:space-between;gap:1rem;font-size:var(--fs-note);font-weight:600}
.setting-block input[type="range"]{margin-top:.8rem;padding:0;border:0}
.setting-check{justify-content:flex-start!important}
.setting-check input{width:1rem;height:1rem;margin:0}

@media(min-width:981px){
  main{transition:margin-left .22s ease}
  .drawer-pinned main{margin-left:var(--drawer-width);padding-left:42px;padding-right:42px}
  .drawer-pinned .drawer{transform:translateX(0);visibility:visible;box-shadow:none}
  .drawer-pinned .menu-button,.drawer-pinned #closeDrawer{display:none}
  .drawer-pinned .scrim{display:none!important}
}

@keyframes spin{to{transform:rotate(360deg)}}
@keyframes shimmer{to{background-position:-200% 0}}

@media(max-width:980px){
  :root{--fs-body:.96rem;--fs-note:.89rem;--fs-dense:.82rem;--fs-micro:.7rem;--fs-card:1.2rem}
  main{padding:100px 28px 100px}
  .page-head{grid-template-columns:1fr;gap:1.2rem}
  .head-actions{justify-content:flex-start}
  .feed-item{grid-template-columns:190px minmax(0,1fr);gap:1.2rem}
  .drawer-resize-handle{display:none}
  .watch-details{grid-template-columns:1fr}
  .download-panel{max-width:520px}
}

@media(max-width:680px){
  main{padding:94px 18px 80px}
  .menu-button{top:18px;left:18px}
  .page-head{padding-bottom:1.5rem}
  .controls{align-items:flex-start;flex-direction:column;gap:.7rem}
  .timeline{padding-left:22px}
  .timeline::before{left:5px}
  .feed-item{grid-template-columns:1fr;padding:1.15rem 0 1.35rem}
  .feed-item::before{left:-21px;top:1.55rem}
  .thumb-button{max-width:none}
  .item-actions{justify-content:space-between}
  .item-action span{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
  .login-view{padding:1rem;background:var(--bg)}
  .login-panel{padding:2.2rem 1.5rem}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}