:root{
  --bg:#0c0e14; --panel:#161a24; --panel2:#1f2533; --line:#2a3142;
  --txt:#e8ecf4; --dim:#8b94a8; --accent:#e63946; --gold:#f4c430; --green:#3ad29f;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  background:var(--bg); color:var(--txt);
  font-family:'Sarabun',sans-serif; font-size:15px;
  -webkit-tap-highlight-color:transparent; padding-bottom:40px;
}
button,input,select{font-family:inherit}

.topbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 16px; background:var(--panel); border-bottom:1px solid var(--line);
  position:sticky; top:0; z-index:20;
}
.brand{font-family:'Bebas Neue',sans-serif; font-size:30px; letter-spacing:2px}
.brand span{color:var(--accent)}
.rate{display:flex; align-items:center; gap:6px; font-size:13px; color:var(--dim)}
.rate input{
  width:56px; background:var(--panel2); border:1px solid var(--line);
  color:var(--txt); border-radius:8px; padding:6px 8px; text-align:right;
}
.rate label{font-weight:700; color:var(--txt)}

.tabs{display:flex; gap:4px; padding:10px 12px; position:sticky; top:61px; background:var(--bg); z-index:15}
.tab{
  flex:1; background:var(--panel); border:1px solid var(--line); color:var(--dim);
  padding:10px; border-radius:10px; font-size:14px; font-weight:600; cursor:pointer;
}
.tab.active{background:var(--accent); border-color:var(--accent); color:#fff}

.view{display:none; padding:8px 12px 0}
.view.active{display:block}

.filters{display:flex; flex-direction:column; gap:8px; margin-bottom:8px}
#search,#sort{
  width:100%; background:var(--panel); border:1px solid var(--line); color:var(--txt);
  padding:11px 12px; border-radius:10px; font-size:14px;
}
.chips{display:flex; gap:6px}
.chip{
  flex:1; background:var(--panel); border:1px solid var(--line); color:var(--dim);
  padding:9px; border-radius:10px; font-size:13px; font-weight:600; cursor:pointer;
}
.chip.active{background:var(--panel2); border-color:var(--accent); color:var(--txt)}
.meta-line{font-size:12px; color:var(--dim); margin:6px 2px 10px}

.grid{display:grid; grid-template-columns:repeat(2,1fr); gap:10px}
@media(min-width:560px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:820px){.grid{grid-template-columns:repeat(4,1fr)}}

.card{
  background:var(--panel); border:1px solid var(--line); border-radius:12px;
  overflow:hidden; position:relative; cursor:pointer; display:flex; flex-direction:column;
}
.card-img{width:100%; aspect-ratio:5/7; object-fit:cover; background:var(--panel2); display:block}
.card-body{padding:8px 9px 10px}
.card-name{font-size:13px; font-weight:600; line-height:1.25; min-height:32px}
.card-id{font-size:11px; color:var(--dim); margin-top:2px}
.card-price{font-family:'Bebas Neue',sans-serif; font-size:22px; color:var(--gold); letter-spacing:1px; margin-top:4px}
.card-price small{font-size:11px; color:var(--dim); font-family:'Sarabun'; letter-spacing:0}
.badge{
  position:absolute; top:6px; left:6px; font-size:10px; font-weight:700;
  padding:2px 6px; border-radius:6px; background:rgba(0,0,0,.6); backdrop-filter:blur(4px);
}
.badge.op{color:#ff8a8a} .badge.pk{color:#8ab4ff}
.badge.lang{top:6px; left:auto; right:42px; padding:2px 5px}
.add-btn{
  position:absolute; top:6px; right:6px; width:30px; height:30px; border-radius:50%;
  background:var(--accent); color:#fff; border:none; font-size:18px; line-height:1;
  cursor:pointer; display:flex; align-items:center; justify-content:center;
}
.add-btn.owned{background:var(--green)}

/* scan */
.scan-box{max-width:480px; margin:10px auto; text-align:center}
.hint{color:var(--dim); font-size:13px; line-height:1.6; margin-bottom:16px}
.btn-file{
  display:inline-block; background:var(--accent); color:#fff; padding:14px 22px;
  border-radius:12px; font-weight:700; cursor:pointer;
}
.scan-preview img{max-width:240px; border-radius:12px; margin:16px auto 0; display:block}
.scan-status{margin:14px 0; color:var(--dim); font-size:13px; min-height:20px}
.scan-status.work{color:var(--gold)}
.scan-status.ok{color:var(--green)}
.scan-status.err{color:var(--accent)}

/* collection */
.coll-summary{
  display:grid; grid-template-columns:repeat(3,1fr); gap:8px; margin-bottom:12px;
}
.stat{background:var(--panel); border:1px solid var(--line); border-radius:12px; padding:12px; text-align:center}
.stat .v{font-family:'Bebas Neue',sans-serif; font-size:26px; letter-spacing:1px}
.stat .l{font-size:11px; color:var(--dim); margin-top:2px}
.v.up{color:var(--green)} .v.down{color:var(--accent)}
.empty{text-align:center; color:var(--dim); font-size:13px; padding:30px 10px}
.qty-tag{position:absolute; bottom:54px; left:6px; background:var(--green); color:#04130d; font-weight:700; font-size:11px; padding:2px 7px; border-radius:6px}

/* modal */
.modal{position:fixed; inset:0; background:rgba(0,0,0,.7); display:flex; align-items:center; justify-content:center; z-index:50; padding:16px}
.modal.hidden{display:none}
.modal-card{background:var(--panel); border:1px solid var(--line); border-radius:16px; max-width:380px; width:100%; padding:18px; position:relative; max-height:90vh; overflow:auto}
.modal-close{position:absolute; top:10px; right:12px; background:none; border:none; color:var(--dim); font-size:20px; cursor:pointer}
.modal-card img{width:160px; aspect-ratio:5/7; object-fit:cover; border-radius:10px; display:block; margin:0 auto 12px}
.m-name{font-size:18px; font-weight:700; text-align:center}
.m-id{font-size:13px; color:var(--dim); text-align:center; margin-bottom:10px}
.m-rows{font-size:14px}
.m-row{display:flex; justify-content:space-between; padding:7px 0; border-bottom:1px solid var(--line)}
.m-row .k{color:var(--dim)}
.m-price{font-family:'Bebas Neue'; font-size:30px; color:var(--gold); text-align:center; margin:8px 0}
.m-actions{margin-top:14px; display:flex; flex-direction:column; gap:8px}
.m-actions input{background:var(--panel2); border:1px solid var(--line); color:var(--txt); padding:10px; border-radius:10px; width:100%}
.m-btn{background:var(--accent); color:#fff; border:none; padding:12px; border-radius:10px; font-weight:700; cursor:pointer}
.m-btn.ghost{background:var(--panel2); color:var(--txt); border:1px solid var(--line)}