:root{
  --bg:#000;
  --fg:#fff;
  --muted:#b3b3b3;
  --accent:#ff66b2;
  --card:#111;
  --border:#222;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,sans-serif;height:100%}
a{color:inherit;text-decoration:none}
input,button,textarea,select{font:inherit}
.container{max-width:960px;margin:0 auto;padding:0 12px}

/* HEADER */
.header{
  position:fixed;top:0;left:0;right:0;height:56px;background:rgba(0,0,0,.7);
  display:flex;align-items:center;justify-content:space-between;padding:0 10px;
  border-bottom:1px solid var(--border);backdrop-filter:blur(8px);z-index:50
}
.header .tabs{display:flex;gap:12px;align-items:center}
.header .tab{display:flex;flex-direction:column;align-items:center;font-size:14px;font-weight:600;color:var(--muted)}
.header .tab svg{width:32px;height:32px;margin-bottom:2px}
.header .tab.active{color:var(--fg)}
.header .search{flex:1;display:flex;align-items:center;gap:6px;background:#0a0a0a;
  border:1px solid var(--border);border-radius:999px;padding:6px 10px;margin-left:8px}
.header input{background:transparent;border:none;outline:none;color:var(--fg);width:100%}

/* FOOTER */
.footer{
  position:fixed;bottom:0;left:0;right:0;height:64px;background:rgba(0,0,0,.7);
  border-top:1px solid var(--border);display:flex;justify-content:space-around;
  align-items:center;z-index:50;backdrop-filter:blur(8px)
}
.footer .btn{display:flex;flex-direction:column;align-items:center;font-size:11px;color:var(--muted)}
.footer .btn svg{width:26px;height:26px;margin-bottom:2px}
.footer .plus{
  background:var(--accent);
  width:56px;height:56px;border-radius:50%;color:#fff;font-weight:700;
  font-size:30px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 10px rgba(255,102,178,0.5);
  position:relative;top:-16px;transition:all .2s ease;
}
.footer .plus:hover{transform:scale(1.1);box-shadow:0 0 20px rgba(255,102,178,0.7)}

/* FEED */
.main{position:fixed;top:56px;bottom:64px;left:0;right:0;overflow:hidden}
.feed{height:100%;width:100%;scroll-snap-type:y mandatory;overflow-y:scroll}
.card{position:relative;height:100%;scroll-snap-align:start;background:#000}
.card video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

.overlay-left{position:absolute;left:10px;bottom:25px;max-width:70%;color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.7)}
.overlay-left .user{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.overlay-left .title{font-weight:600;font-size:16px;margin:2px 0 8px}

.overlay-right{position:absolute;right:8px;bottom:20px;display:flex;flex-direction:column;gap:16px;align-items:center}
.overlay-right .avatar{width:52px;height:52px;border-radius:999px;border:2px solid #fff;overflow:hidden}
.overlay-right .icon-btn{display:flex;flex-direction:column;align-items:center;gap:6px}
.overlay-right .icon-btn svg{
  width:50px;height:50px;background:none !important;fill:currentColor !important;color:#fff;
}
.overlay-right .icon-btn svg path{fill:currentColor !important}
.overlay-right .count{font-size:14px;color:#fff}

.music{
  width:48px;height:48px;border-radius:999px;border:2px solid #fff;
  display:flex;align-items:center;justify-content:center;animation:spin 4s linear infinite
}
@keyframes spin{to{transform:rotate(1turn)}}

.badge{font-size:12px;color:#fff;background:#222;padding:2px 6px;border-radius:999px;border:1px solid #333}

/* FORMS */
.card-box{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px;margin:12px}
.form{display:flex;flex-direction:column;gap:10px}
.form input[type=file]{background:#0a0a0a;border:1px solid var(--border);border-radius:10px;padding:8px}
.form input,.form textarea,.form select{
  background:#0a0a0a;border:1px solid var(--border);border-radius:10px;padding:10px;color:var(--fg)
}
.form button{
  background:var(--accent);color:#fff;border:none;border-radius:12px;padding:12px 16px;font-weight:700;
  transition:all .2s ease;
}
.form button:hover{background:#ff7fc6}

.list{display:flex;flex-direction:column;gap:10px}
.list .item{background:#0b0b0b;border:1px solid var(--border);border-radius:12px;padding:10px}

/* MODAL KOMENTAR */
.modal{
  position:fixed;inset:0;background:rgba(0,0,0,.6);
  display:none;align-items:flex-end;z-index:60;
}
.modal .sheet{
  background:#0a0a0a;border-top-left-radius:16px;border-top-right-radius:16px;
  max-height:55%;overflow:auto;width:100%;padding-bottom:80px;
}
.modal .sheet header{
  padding:12px;border-bottom:1px solid var(--border);
  display:flex;justify-content:space-between;align-items:center;
}

.comment{padding:10px;border-bottom:1px solid #111}
.comment .meta{font-size:12px;color:var(--muted)}

.comment-form{
  position:sticky;bottom:0;background:#0a0a0a;padding:12px;border-top:1px solid var(--border);
  display:flex;gap:10px;
}
.comment-form input{
  flex:1;background:#111;border:1px solid #222;padding:10px;border-radius:10px;color:#fff
}
.comment-form button{
  background:var(--accent);color:#fff;border:none;border-radius:10px;padding:10px 16px;font-weight:700;
}

/* UTIL */
.row{display:flex;align-items:center;gap:10px}
.center{display:flex;align-items:center;justify-content:center}
.hidden{display:none}

@media(min-width:768px){
  .overlay-left{max-width:40%}
}

/* IKON TAB */
.tabs a svg {
  width:20px;height:20px;fill:#fff;transition:fill 0.3s;
}
.tabs a:hover svg,
.tabs a.active svg {
  fill:hotpink;
}