:root{ --pad-accent: 60, 130, 255; }

html,body{margin:0;padding:0;height:100%;background:#000;overflow:hidden;word-break:keep-all;overflow-wrap:break-word;}

.vertical-swiper{
  position:fixed;
  top:0;left:50%;
  transform:translateX(-50%);
  width:100%;
  max-width:600px;
  height:100vh;
}
.horizontal-swiper{
  position:relative;
  width:100%;
  height:100%;
}
.swiper-slide iframe{
  width:100%;
  height:100%;
  max-width:600px;
  object-fit:contain;
  background:#000;
  display:block;
}
.swiper-slide > img{
  width:100%;
  height:100%;
  max-width:600px;
  object-fit:contain;
  background:#000;
  display:block;
}

/* === YouTube === */
.yt-wrap{position:relative;width:100%;height:100%;background:#000;overflow:hidden;transform:translateZ(0);}
.yt-thumb{width:100%;height:100%;object-fit:cover;display:block;background:#000;z-index:0;}
/* Fill full height even if sides are cropped. Width = height * 16/9 (viewport-based). */
.yt-frame,
.yt-wrap iframe{
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%, -50%);
  height:100%;
  width:calc(100vh * 16 / 9);
  min-width:100%;
  border:0;
  z-index:2;
}

.no-image{color:#888;display:flex;align-items:center;justify-content:center;height:100vh;font-size:1.2em;text-align:center;}

/* === Fade overlays === */
.top-fade{
  position:fixed;top:0;left:50%;transform:translateX(-50%);
  width:min(100%, 600px);height:80px;
  background:linear-gradient(to bottom, rgba(0,0,0,.8) 0%, rgba(0,0,0,.4) 50%, transparent 100%);
  pointer-events:none;z-index:90;
}
.bottom-fade{display:none;}

/* === Post info === */
.post-info{
  position:fixed;
  bottom:0;left:50%;
  transform:translateX(-50%);
  width:min(100%, 600px);
  color:#fff;padding:15px 15px 20px;box-sizing:border-box;text-align:left;z-index:100;
  background:linear-gradient(to top, rgba(0,0,0,.85) 0%, rgba(0,0,0,.5) 50%, transparent 100%);
  padding-top:50px;
}
.post-title{font-size:1em;font-weight:600;margin-bottom:6px;line-height:1.2;}
.post-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px;pointer-events:auto;}
.post-tags span{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.2);border-radius:20px;padding:3px 10px;font-size:.85em;cursor:pointer;transition:background .25s ease;}
.post-tags span:hover{background:rgba(255,255,255,.35);}

/* === Search bar / keyword banner === */
.search-bar{position:fixed;top:12px;right:12px;z-index:300;display:flex;align-items:center;gap:6px;}
.search-bar input{padding:6px 10px;border-radius:3px;border:1px solid rgba(255,255,255,.2);background:rgba(0,0,0,.6);color:#fff;font-size:14px;width:140px;transition:width .3s ease;}
.search-bar input:focus{outline:none;width:180px;}
.search-bar button{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:3px;padding:6px 10px;cursor:pointer;transition:background .25s ease;font-size:12px;}

.keyword-banner{
  position:fixed;top:40px;left:16px;
  background:rgba(255,255,255,.12);color:#fff;padding:6px 14px;border-radius:20px;
  z-index:400;font-size:.8em;display:flex;align-items:center;gap:8px;
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  white-space:nowrap;
}
.keyword-banner button{background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.25);border-radius:12px;color:#fff;padding:3px 10px;cursor:pointer;font-size:.85em;}
.keyword-banner button:hover{background:rgba(255,255,255,.35);}

/* === Nav pad === */
@media (hover:none) and (pointer:coarse){ .nav-pad{display:none !important;} }
.nav-pad{
  position:fixed;right:40px;bottom:120px;width:120px;height:120px;border-radius:50%;
  background:rgba(var(--pad-accent),.2);
  backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);
  display:flex;justify-content:center;align-items:center;z-index:200;
}
.nav-pad button{
  position:absolute;
  background:rgba(var(--pad-accent),.16);
  border:1px solid rgba(var(--pad-accent),.28);
  color:#fff;width:36px;height:36px;border-radius:50%;
  font-size:16px;cursor:pointer;transition:background .25s ease,opacity .25s;
}
.nav-pad button:hover{background:rgba(var(--pad-accent),.26);}
.nav-up{top:10px;left:50%;transform:translateX(-50%);}
.nav-down{bottom:10px;left:50%;transform:translateX(-50%);}
.nav-left{left:10px;top:50%;transform:translateY(-50%);}
.nav-right{right:10px;top:50%;transform:translateY(-50%);}
.pad-center{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:40px;height:40px;border-radius:50%;cursor:grab;touch-action:none;
  display:flex;align-items:center;justify-content:center;z-index:1;
}
.pad-center::before{
  content:'';position:absolute;inset:0;border-radius:inherit;
  background:rgba(var(--pad-accent),.10);
  border:1px solid rgba(var(--pad-accent),.30);
  backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);
  z-index:0;pointer-events:none;
}
.pad-center.dragging{cursor:grabbing;}
.nav-pad button.is-disabled{display:none !important;pointer-events:none;}
.nav-pad.pad-disabled{background:transparent;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none;}
.nav-pad.pad-disabled .nav-up,.nav-pad.pad-disabled .nav-down,.nav-pad.pad-disabled .nav-left,.nav-pad.pad-disabled .nav-right{display:none;}
.nav-pad.pad-disabled .pad-center{width:44px;height:44px;}
.nav-pad.pad-disabled .pad-center::before{background:rgba(var(--pad-accent),.3);border:1px solid rgba(var(--pad-accent),.36);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);}
.pad-icon{z-index:2;display:block;font-size:20px;line-height:1;}

/* === Brand badge === */
.brand-badge{position:fixed;top:16px;left:16px;z-index:400;color:#fff;text-decoration:none;font-weight:700;letter-spacing:.3px;}
.brand-text{font-size:16px;line-height:1;font-weight:bold;letter-spacing:-.06em;}
.playpause-btn{position:fixed;top:16px;right:16px;z-index:400;background:none;border:0;padding:0;margin:0;color:#fff;font-size:20px;line-height:1;cursor:pointer;opacity:.85;}
.playpause-btn:hover{opacity:1;}
.playpause-btn:active{transform:scale(.92);}
.autoadvance-btn{position:fixed;top:16px;right:56px;z-index:400;background:rgba(0,0,0,.45);border:1px solid rgba(255,255,255,.25);padding:4px 10px;margin:0;color:#fff;font-size:11px;line-height:1;cursor:pointer;border-radius:12px;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);}
.autoadvance-btn:hover{background:rgba(0,0,0,.7);}

/* === Sort bar === */
.sort-bar{
  position:fixed;top:12px;right:12px;
  z-index:300;display:flex;gap:4px;
}
.sort-btn{
  padding:6px 14px;border-radius:20px;font-size:13px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  color:rgba(255,255,255,.7);text-decoration:none;
  transition:background .2s,color .2s;
}
.sort-btn:hover{background:rgba(255,255,255,.2);color:#fff;}
.sort-btn.active{background:rgba(var(--pad-accent),.5);border-color:rgba(var(--pad-accent),.7);color:#fff;font-weight:600;}

/* === Unmute button === */
.unmute-btn{
  position:fixed;bottom:180px;left:50%;transform:translateX(-50%);
  z-index:350;
  padding:10px 20px;border-radius:24px;
  background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);
  color:#fff;font-size:14px;cursor:pointer;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  transition:background .2s;
  animation:unmute-pulse 2s ease-in-out infinite;
}
.unmute-btn:hover{background:rgba(255,255,255,.3);}
@keyframes unmute-pulse{
  0%,100%{opacity:.8;transform:translateX(-50%) scale(1);}
  50%{opacity:1;transform:translateX(-50%) scale(1.05);}
}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

@media (max-width:480px){
  .brand-badge{top:12px;left:12px;}
  .keyword-banner{min-width:auto;}
  .sort-bar{top:10px;right:10px;}
  .sort-btn{padding:5px 10px;font-size:12px;}
}