/* ── LAYOUT ── */
.layout{
  display:flex;min-height:100vh;
  width:min(100%,1200px);
  margin:0 auto;
  padding-left:250px;
  padding-right:350px;
}

/* ── SIDEBAR ── */
.sidebar{
  width:250px;flex-shrink:0;
  background:var(--sidebar);
  display:flex;flex-direction:column;
  position:fixed;top:0;bottom:0;
  left:max(0px,calc((100vw - 1200px) / 2));
  height:100vh;overflow:hidden;
  padding:0 10px 16px;
  z-index:160;
}
.logo-wrap{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:18px 6px 14px;cursor:pointer;user-select:none;
}
.brand-logo{width:46px;height:46px;border-radius:50%;object-fit:contain;display:block;background:#050505;padding:3px;border:1px solid var(--bd2);}

.nav-list{display:flex;flex-direction:column;gap:1px;}
.nav-item{
  display:inline-flex;align-items:center;gap:14px;align-self:flex-start;
  padding:11px 18px;border-radius:999px;cursor:pointer;
  font-size:18px;font-weight:700;color:var(--t2);
  transition:all .12s;user-select:none;position:relative;
}
.nav-item:hover{background:var(--pb);color:var(--t);}
.nav-item.active{background:var(--pb);color:var(--t);font-weight:900;}
.nav-item.active .nav-ico{color:var(--t);}
.nav-ico{width:25px;height:25px;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--t2);position:relative;}
.nav-ico svg{width:25px;height:25px;display:block;}
.nav-ico .nav-svg{width:25px;height:25px;display:block;object-fit:contain;}
.nav-label{display:inline-flex;align-items:center;line-height:1;}
.nav-badge{
  position:absolute;left:12px;top:-8px;
  min-width:18px;height:18px;padding:0 5px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  background:#1D9BF0;color:#fff;font-size:11px;font-weight:850;line-height:18px;
  box-shadow:0 0 0 2px var(--sidebar);
}
html[data-theme="light"] .nav-item.active,
html[data-theme="light"] .nav-item.active .nav-ico{color:#050505;}

.new-btn{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:48px;border-radius:999px;
  background:var(--btn-bg);color:var(--btn-t);
  font-size:16px;font-weight:800;cursor:pointer;
  transition:all .15s;margin:14px 4px 0;letter-spacing:0;
}
.new-btn svg{width:19px;height:19px;display:block;flex-shrink:0;}
.new-btn:hover{filter:brightness(1.04);transform:translateY(-1px);box-shadow:0 4px 16px rgba(0,0,0,.18);}

.sb-spacer{flex:1;}
.sb-user{
  display:flex;align-items:center;gap:9px;
  padding:9px 8px;cursor:pointer;
  margin-top:8px;
}
.sb-user:hover{background:transparent;}
.sb-ava{
  width:33px;height:33px;border-radius:50%;flex-shrink:0;
  background:#2A2A2A;border:1px solid var(--bd2);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:#F0F0F0;
}
img.sb-ava{object-fit:cover;background:#000;}
.sb-name{display:block;font-size:13px;font-weight:700;color:var(--t);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sb-handle{display:block;font-size:11px;color:var(--t3);}
.theme-btn{
  width:34px;height:34px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--bd);background:var(--bg);
  color:var(--t2);cursor:pointer;transition:all .12s;
}
.theme-btn:hover{background:var(--bg2);color:var(--t);transform:translateY(-1px);}
.theme-btn svg{width:17px;height:17px;}
.sb-footer{
  margin:10px 8px 0;padding-top:12px;border-top:1px solid var(--bd);
  font-size:10.5px;color:var(--t3);line-height:1.9;
}
.sb-footer a{color:var(--t3);}
.sb-footer a:hover{color:var(--t2);}

/* ── MAIN ── */
.main{
  flex:0 1 600px;min-width:0;max-width:600px;
  min-height:100vh;
  background:var(--w);position:relative;overflow:visible;
}
.main-frame-lines{position:fixed;inset:0;z-index:500;pointer-events:none;}
.main-frame-lines::before,
.main-frame-lines::after{
  content:"";position:fixed;top:0;bottom:0;width:1px;background:var(--bd);
}
.main-frame-lines::before{left:max(0px,calc((100vw - 1200px) / 2 + 250px));}
.main-frame-lines::after{left:max(0px,calc((100vw - 1200px) / 2 + 850px));}
.mobile-search-wrap{
  display:none;padding:10px 14px;border-bottom:1px solid var(--bd);
  background:var(--header-bg);
  backdrop-filter:blur(20px) saturate(160%);
  -webkit-backdrop-filter:blur(20px) saturate(160%);
}
.mobile-search-wrap .search-box{margin-bottom:0;}

/* ── FEED HEADER ── */
.feed-hdr{
  position:-webkit-sticky;position:sticky;top:0;z-index:300;overflow:visible;
  background:var(--header-bg);
  backdrop-filter:blur(20px) saturate(160%);
  -webkit-backdrop-filter:blur(20px) saturate(160%);
  border-bottom:1px solid var(--bd);
}
.feed-main{padding-top:55px;}
.feed-main .feed-hdr{
  position:fixed;top:0;left:max(0px,calc((100vw - 1200px) / 2 + 250px));
  width:600px;z-index:480;
}
.feed-tabs{display:flex;}
.feed-tab{
  flex:1;padding:14px 0;text-align:center;
  font-size:14px;font-weight:500;color:var(--t3);
  cursor:pointer;position:relative;transition:color .12s;letter-spacing:-.01em;
}
.feed-tab:hover{color:var(--t2);}
.feed-tab.active{color:var(--t);font-weight:700;}
.feed-tab.active::after{
  content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);
  width:24px;height:2px;border-radius:2px;background:var(--blue);
}
.feed-tabs.feed-tabs-x{
  align-items:center;gap:34px;padding:0 18px;overflow:visible;scrollbar-width:none;
}
.feed-tabs.feed-tabs-x::-webkit-scrollbar{display:none;}
.feed-tab.feed-tab-x{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:5px;
  min-height:54px;padding:0;text-align:left;
  font-size:16px;font-weight:800;color:var(--t2);white-space:nowrap;
}
.feed-tab.feed-tab-x:hover{color:var(--t);}
.feed-tab.feed-tab-x.active{color:var(--t);font-weight:900;}
.feed-tab.feed-tab-x.active::after{
  left:0;right:0;transform:none;width:auto;height:3px;border-radius:999px;background:#1D9BF0;
}
.feed-tab-caret{
  width:16px;height:16px;display:inline-flex;align-items:center;justify-content:center;
  color:currentColor;transform:translateY(1px);
}
.feed-tab-caret svg{width:16px;height:16px;stroke-width:2.6;}
.feed-type-wrap{position:relative;display:inline-flex;}
.feed-type-menu{
  position:absolute;top:47px;left:0;width:150px;z-index:260;
  padding:6px;background:var(--w);border:1px solid var(--bd2);
  border-radius:14px;box-shadow:0 18px 44px rgba(0,0,0,.18);
}
.feed-type-item{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  min-height:34px;padding:0 10px;border-radius:10px;
  font-size:13px;font-weight:750;color:var(--t2);cursor:pointer;
}
.feed-type-item:hover{background:var(--hover);color:var(--t);}
.feed-type-item.active{color:#1D9BF0;background:rgba(29,155,240,.1);}
.feed-type-item-mark{font-size:12px;color:#1D9BF0;}
.feed-filter-note{
  padding:10px 18px;border-bottom:1px solid var(--bd);
  color:#1D9BF0;font-size:14px;font-weight:750;background:var(--w);
}
.feed-new-bar{
  height:52px;border-bottom:1px solid var(--bd);
  display:flex;align-items:center;justify-content:center;
  background:var(--w);color:#1D9BF0;
  font-size:15px;font-weight:750;cursor:pointer;
  transition:background .12s;
}
.feed-new-bar:hover{background:var(--hover);}