*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0f0f0f;--surface:#212121;--surface2:#272727;--border:#3f3f3f;
  --text:#f1f1f1;--muted:#aaa;--red:#ff0000;--hh:56px;--sw:240px;
}
html,body{background:#0f0f0f;color:#f1f1f1;font-family:'Roboto',Arial,sans-serif;font-size:14px;min-height:100vh;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{cursor:pointer;border:none;background:none;color:inherit;font-family:inherit}

/* HEADER */
.yt-header{position:fixed;top:0;left:0;right:0;height:56px;background:#0f0f0f;display:flex;align-items:center;justify-content:space-between;padding:0 16px;z-index:200;border-bottom:1px solid #3f3f3f}
.yt-header-left{display:flex;align-items:center;gap:10px;min-width:180px}
.yt-header-center{flex:1;max-width:600px;margin:0 24px}
.yt-header-right{display:flex;align-items:center;gap:6px;min-width:160px;justify-content:flex-end}
.hamburger-btn{display:flex;flex-direction:column;gap:5px;padding:8px;border-radius:50%;transition:background .2s}
.hamburger-btn:hover{background:#272727}
.hamburger-btn span{display:block;width:18px;height:2px;background:#f1f1f1;border-radius:2px}
.yt-logo{display:flex;align-items:center;gap:4px}
.yt-logo-text{font-size:18px;font-weight:700;letter-spacing:-.5px;color:#f1f1f1}
.yt-logo-country{font-size:9px;color:#aaa;margin-top:-8px;margin-left:1px}
.search-bar{display:flex;width:100%;border:1px solid #3f3f3f;border-radius:40px;overflow:hidden}
.search-bar input{flex:1;padding:8px 16px;background:#212121;color:#f1f1f1;border:none;outline:none;font-size:14px}
.search-icon-btn{padding:8px 18px;background:#272727;border-left:1px solid #3f3f3f;color:#aaa;transition:background .2s;display:flex;align-items:center}
.search-icon-btn:hover{background:#383838}
.mic-btn{padding:6px 10px;font-size:16px;background:#272727;border-left:1px solid #3f3f3f}
.yt-icon-btn{position:relative;padding:8px;border-radius:50%;color:#f1f1f1;transition:background .2s;display:flex;align-items:center;justify-content:center}
.yt-icon-btn:hover{background:#272727}
.notif-badge{position:absolute;top:2px;right:2px;background:#ff0000;color:#fff;font-size:9px;font-weight:700;padding:1px 3px;border-radius:8px;line-height:1}
.yt-avatar{width:32px;height:32px;border-radius:50%;background:#ff0000;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;cursor:pointer;color:#fff}

/* LAYOUT */
.yt-layout{display:flex;margin-top:56px;min-height:calc(100vh - 56px)}

/* SIDEBAR */
.yt-sidebar{width:240px;min-width:240px;position:sticky;top:56px;height:calc(100vh - 56px);overflow-y:auto;border-right:1px solid #3f3f3f;padding:8px 0}
.yt-sidebar::-webkit-scrollbar{width:0}
.sidebar-item{display:flex;align-items:center;gap:16px;padding:10px 12px;border-radius:10px;margin:1px 8px;font-size:13px;transition:background .15s;white-space:nowrap;overflow:hidden;color:#f1f1f1}
.sidebar-item:hover{background:#272727}
.sidebar-item.active{background:#272727;font-weight:500}
.sidebar-divider{border:none;border-top:1px solid #3f3f3f;margin:8px 12px}
.sidebar-section{font-size:11px;font-weight:600;color:#aaa;padding:8px 20px 4px;letter-spacing:.8px;text-transform:uppercase}
.sub-avatar{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}

/* MAIN */
.yt-main{flex:1;min-width:0}

/* CHANNEL PAGE */
.channel-banner{height:160px;background:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#0f3460 100%);position:relative;overflow:hidden}
.channel-header{background:#0f0f0f;padding:0 24px}
.channel-header-inner{display:flex;align-items:flex-end;gap:24px;padding:16px 0 20px;flex-wrap:wrap}
.channel-big-avatar{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,#ff6b35,#ff0000);display:flex;align-items:center;justify-content:center;font-size:2.4rem;flex-shrink:0;margin-top:-20px;border:3px solid #0f0f0f}
.channel-meta{flex:1;min-width:200px}
.channel-title{font-size:28px;font-weight:700;margin-bottom:6px;color:#f1f1f1}
.channel-handle-row{display:flex;align-items:center;gap:6px;font-size:12px;color:#aaa;margin-bottom:8px;flex-wrap:wrap}
.channel-dot{color:#3f3f3f}
.channel-description{font-size:13px;color:#aaa;line-height:1.5;max-width:600px}
.desc-more{color:#f1f1f1;cursor:pointer;font-weight:500}
.channel-actions{flex-shrink:0}
.sub-btn{background:#f1f1f1;color:#000;padding:10px 20px;border-radius:20px;font-weight:600;font-size:14px;transition:background .2s,transform .1s}
.sub-btn:hover{background:#ddd;transform:scale(1.03)}
.sub-btn.subscribed{background:#272727;color:#f1f1f1}

/* TABS */
.channel-tabs{display:flex;align-items:center;border-top:1px solid #3f3f3f;gap:4px}
.tab-btn{padding:14px 16px;font-size:14px;font-weight:500;color:#aaa;border-bottom:2px solid transparent;transition:color .2s,border-color .2s;background:none;border-top:none;border-left:none;border-right:none}
.tab-btn:hover{color:#f1f1f1;background:rgba(255,255,255,.05)}
.tab-btn.active{color:#f1f1f1;border-bottom:2px solid #f1f1f1}
.tab-search-btn{margin-left:auto;padding:10px;color:#aaa;cursor:pointer;display:flex;align-items:center}
.tab-section{padding:24px}
.tab-section.hidden{display:none}

/* VIDEO GRID */
.videos-section{padding:16px 24px 24px}
.sort-bar{display:flex;align-items:center;gap:12px;margin-bottom:16px;color:#aaa;font-size:14px}
.sort-select{background:transparent;border:none;color:#f1f1f1;font-size:14px;cursor:pointer}
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.video-card{display:flex;flex-direction:column;cursor:pointer;border-radius:10px;overflow:hidden;transition:transform .2s}
.video-card:hover{transform:translateY(-2px)}
.video-thumb{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;border-radius:10px}
.thumb-emoji-bg{width:100%;height:100%;display:flex;align-items:center;justify-content:center;transition:transform .25s;background:#1a1a2e}
.video-card:hover .thumb-emoji-bg{transform:scale(1.06)}
.thumb-emoji{font-size:3rem;filter:drop-shadow(0 2px 8px rgba(0,0,0,.4))}
.thumb-duration{position:absolute;bottom:6px;right:7px;background:rgba(0,0,0,.85);color:#fff;font-size:11px;font-weight:600;padding:2px 5px;border-radius:4px}
.thumb-hover-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.4);color:#fff;font-size:2rem;opacity:0;transition:opacity .2s}
.video-card:hover .thumb-hover-play{opacity:1}
.video-card-info{display:flex;gap:10px;padding:10px 4px 4px}
.card-channel-avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#ff6b35,#ff0000);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;margin-top:2px}
.card-meta{flex:1;min-width:0}
.card-title{font-size:13px;font-weight:600;line-height:1.3;margin-bottom:4px;color:#f1f1f1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-channel,.card-stats{font-size:12px;color:#aaa;line-height:1.5}

/* PLAYLISTS */
.playlists-grid{display:flex;flex-wrap:wrap;gap:16px}
.playlist-card{width:240px;background:#212121;border-radius:10px;overflow:hidden;cursor:pointer;transition:background .2s}
.playlist-card:hover{background:#272727}
.playlist-card-thumb{height:130px;background:linear-gradient(135deg,#1a1a2e,#0f3460);display:flex;align-items:center;justify-content:center;font-size:2rem;letter-spacing:4px}
.playlist-card-info{padding:12px}
.playlist-card-title{font-size:13px;font-weight:600;margin-bottom:4px;color:#f1f1f1}
.playlist-card-meta{font-size:12px;color:#aaa;margin-bottom:8px}
.playlist-card-link{font-size:12px;color:#aaa;text-decoration:underline}
.beitraege-placeholder{color:#aaa;font-size:14px;text-align:center;padding:48px 0}

/* WATCH PAGE */
.watch-page{display:flex;gap:24px;padding:24px;max-width:1500px;margin:0 auto}
.watch-left{flex:1;min-width:0}

/* PLAYER – no color-mix(), use data-color approach instead */
.player-wrap{border-radius:12px;overflow:hidden;width:100%;box-shadow:0 8px 40px rgba(0,0,0,.6)}
.player{position:relative;width:100%;aspect-ratio:16/9;display:flex;flex-direction:column;overflow:hidden;background:#111}
.player-bg{position:absolute;inset:0;pointer-events:none}
.player-content{flex:1;display:flex;flex-direction:column;padding:28px 44px 20px;position:relative;z-index:1;animation:sIn .4s ease both}
@keyframes sIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.player-slide-header{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.player-emoji{font-size:2.8rem;filter:drop-shadow(0 2px 8px rgba(0,0,0,.5))}
.player-heading{font-size:clamp(1rem,2.2vw,1.7rem);font-weight:700;line-height:1.2;text-shadow:0 2px 8px rgba(0,0,0,.5);color:#fff}
.player-facts{flex:1;display:flex;flex-direction:column;gap:7px;margin-bottom:10px}
.player-fact{display:flex;align-items:flex-start;gap:10px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:9px;padding:7px 13px;animation:fUp .35s ease both}
@keyframes fUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.pfact-icon{font-size:1.1rem;flex-shrink:0;margin-top:2px}
.pfact-text{font-size:clamp(.72rem,1.3vw,.9rem);line-height:1.45;color:#f1f1f1}
.pfact-text strong{color:#fff;font-weight:700}
.pfact-text em{color:#bbb;font-style:italic}
.player-funfact{background:rgba(255,224,0,.1);border:1px solid rgba(255,224,0,.28);border-radius:9px;padding:7px 13px;font-size:clamp(.68rem,1.1vw,.82rem);color:#ffe082;line-height:1.4}

/* PLAYER NAV */
.player-nav{position:absolute;bottom:40px;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:0 14px;z-index:10;opacity:0;transition:opacity .25s}
.player:hover .player-nav{opacity:1}
.player-arrow{width:42px;height:42px;background:rgba(0,0,0,.78);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:700;color:#fff;transition:background .2s,transform .2s;cursor:pointer;text-align:center;line-height:42px}
.player-arrow:hover:not(.disabled){background:rgba(0,0,0,.95);transform:scale(1.1)}
.player-arrow.disabled{opacity:.2;cursor:default;pointer-events:none}
.player-counter{background:rgba(0,0,0,.78);padding:5px 14px;border-radius:20px;font-size:12px;font-weight:500;color:#fff}
.player-progress-track{height:4px;background:rgba(255,255,255,.15)}
.player-progress-fill{height:100%;background:#ff0000;transition:width .4s ease}

/* WATCH META */
.watch-meta{padding:12px 0 8px}
.watch-title{font-size:18px;font-weight:700;line-height:1.3;margin-bottom:8px;color:#f1f1f1}
.watch-stats-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}
.watch-views{color:#aaa;font-size:13px}
.watch-actions{display:flex;gap:8px;flex-wrap:wrap}
.waction-btn{display:flex;align-items:center;gap:6px;background:#272727;padding:7px 14px;border-radius:20px;font-size:13px;transition:background .2s;color:#f1f1f1}
.waction-btn:hover{background:#383838}
.like-count{font-weight:500}
.like-btn.liked{background:#4a1515}

/* CHANNEL BAR */
.watch-channel-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-top:1px solid #3f3f3f;border-bottom:1px solid #3f3f3f;margin-bottom:12px}
.wcb-left{display:flex;align-items:center;gap:12px}
.wcb-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#ff6b35,#ff0000);display:flex;align-items:center;justify-content:center;font-size:20px}
.wcb-info{display:flex;flex-direction:column}
.wcb-name{font-weight:600;font-size:14px;color:#f1f1f1}
.wcb-subs{font-size:12px;color:#aaa}
.watch-desc{background:#272727;border-radius:12px;padding:14px 16px}
.desc-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.dtag{background:rgba(255,255,255,.1);border-radius:20px;padding:3px 10px;font-size:12px;color:#aaa}
.watch-desc p{font-size:13px;line-height:1.6;color:#aaa}
.watch-desc p strong{color:#f1f1f1}

/* WATCH SIDEBAR */
.watch-sidebar{width:380px;min-width:380px;background:#212121;border-radius:12px;overflow:hidden;align-self:flex-start;position:sticky;top:80px;max-height:calc(100vh - 104px);display:flex;flex-direction:column}
.ws-header{padding:14px 16px;background:#272727;border-bottom:1px solid #3f3f3f;flex-shrink:0}
.ws-playlist-label{font-size:14px;font-weight:700;display:block;margin-bottom:2px;color:#f1f1f1}
.ws-playlist-meta{font-size:12px;color:#aaa}
.ws-scroll{flex:1;overflow-y:auto}
.ws-scroll::-webkit-scrollbar{width:4px}
.ws-scroll::-webkit-scrollbar-thumb{background:#3f3f3f;border-radius:4px}
.ws-item{display:flex;align-items:flex-start;gap:10px;padding:8px 12px;transition:background .15s;position:relative;cursor:pointer;color:#f1f1f1}
.ws-item:hover{background:#272727}
.ws-active{background:rgba(255,0,0,.12);border-left:3px solid #ff0000;padding-left:9px}
.ws-thumb{width:120px;min-width:120px;height:68px;border-radius:6px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;font-size:1.8rem;background:#1a1a2e}
.ws-duration{position:absolute;bottom:4px;right:5px;background:rgba(0,0,0,.85);color:#fff;font-size:10px;font-weight:600;padding:1px 4px;border-radius:3px}
.ws-info{flex:1;min-width:0}
.ws-title{font-size:12px;font-weight:600;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:3px;color:#f1f1f1}
.ws-channel,.ws-views{font-size:11px;color:#aaa;line-height:1.4}
.ws-playing{font-size:10px;color:#ff0000;position:absolute;right:12px;top:50%;transform:translateY(-50%)}

/* RESPONSIVE */
@media(max-width:1100px){.watch-sidebar{width:320px;min-width:320px}}
@media(max-width:900px){
  .yt-sidebar{display:none}
  .watch-page{flex-direction:column;padding:12px}
  .watch-sidebar{width:100%;min-width:0;position:static;max-height:400px}
  .channel-header{padding:0 12px}
}
@media(max-width:600px){
  .videos-section{padding:12px}
  .video-grid{grid-template-columns:1fr 1fr}
  .player-content{padding:12px 16px 10px}
  .player-heading{font-size:.95rem}
  .watch-actions{display:none}
  .yt-header-center{margin:0 8px}
}