:root{
  --primary:#2563eb; --primary-dark:#1d4ed8;
  --bg:#f8fafc; --card:#ffffff;
  --text:#0f172a; --muted:#64748b;
  --border:#e2e8f0; --radius:14px;
  --shadow:0 8px 22px rgba(15,23,42,.06);
  --error:#ef4444;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);line-height:1.6;}
.container{max-width:1000px;margin:0 auto;padding:0 18px;}
.hero{padding:42px 0 18px;text-align:center;}
.hero h1{
  font-size:2.4rem;font-weight:800;margin-bottom:6px;
  background:linear-gradient(90deg,var(--primary),#7c3aed);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p{color:var(--muted);font-size:1.02rem;}
.back{
  display:inline-block;margin-top:8px;color:var(--primary);
  text-decoration:none;font-weight:600;
}

.card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow);
  padding:22px;margin-bottom:18px;
}

.input-group{display:flex;gap:10px;margin-bottom:12px;}
input{
  flex:1;padding:14px 16px;border:1px solid var(--border);
  border-radius:12px;font-size:16px;transition:.18s;
}
input:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(37,99,235,.12);
}

button{
  background:var(--primary);color:#fff;border:none;border-radius:12px;
  padding:12px 18px;font-weight:700;font-size:15px;
  cursor:pointer;transition:.18s;
}
button:hover{background:var(--primary-dark);}
button.ghost{
  background:#fff;color:var(--primary);
  border:1px solid var(--border);font-weight:700;
}
button.ghost:hover{border-color:var(--primary);}

.error{
  display:none;background:#fef2f2;color:var(--error);
  padding:10px 12px;border-radius:10px;border-left:4px solid var(--error);
  margin-bottom:10px;
}

.loading{display:none;text-align:center;padding:18px 0;}
.loading-text{color:var(--muted);font-size:.95rem;}
.spinner{
  width:36px;height:36px;border:4px solid rgba(37,99,235,.12);
  border-radius:50%;border-top-color:var(--primary);
  animation:spin 1s linear infinite;margin:0 auto 8px;
}
@keyframes spin{to{transform:rotate(360deg);} }

.result{
  display:none;margin-top:14px;border-top:1px solid var(--border);
  padding-top:16px;
}

.list{display:grid;gap:10px;}
.item{
  display:grid;grid-template-columns:110px 1fr;gap:12px;align-items:center;
  padding:10px;border:1px solid var(--border);border-radius:12px;background:#fff;
}
.item img{
  width:110px;height:110px;object-fit:cover;border-radius:10px;background:#eee;
}
.item-title{font-weight:800;font-size:1rem;}
.item-meta{color:var(--muted);font-size:.9rem;display:grid;gap:2px;}
.item-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px;}

/* panel pilih kualitas */
.quality-panel{
  margin-top:8px;
  padding:10px;
  border:1px dashed var(--border);
  border-radius:10px;
  background:#f9fafb;
  display:grid;
  gap:6px;
}
.quality-title{
  font-weight:800;
  font-size:.92rem;
}
.quality-list{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
  gap:6px;
}
.quality-btn{
  width:100%;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:8px;
  font-size:14px;
  padding:9px 10px;
  border-radius:9px;
}
.quality-btn .q{font-weight:800;}
.quality-btn .s{font-size:12px;opacity:.9;}
.quality-close{
  justify-self:end;
  font-size:12px;
  padding:6px 8px;
  border-radius:8px;
}

.toast{
  position:fixed;right:14px;bottom:14px;z-index:9999;
  background:#111827;color:#fff;padding:10px 12px;border-radius:10px;
  font-size:14px;opacity:0;transform:translateY(8px);transition:.2s;
}
.toast.show{opacity:1;transform:translateY(0);}

footer{
  text-align:center;color:var(--muted);
  padding:26px 0 34px;border-top:1px solid var(--border);
  font-size:14px;margin-top:6px;
}

@media(max-width:768px){
  .input-group{flex-direction:column;}
  .item{grid-template-columns:1fr;text-align:center;}
  .item img{margin:0 auto;}
  .item-actions{justify-content:center;}
}