*{box-sizing:border-box}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto;
  background:linear-gradient(180deg,#eef4ff,#f7f9ff);
  color:#1f2937;
}
a{text-decoration:none;color:inherit}

/* ================= HEADER ================= */
.topbar{
  background:linear-gradient(135deg,#2563eb,#3b82f6);
  padding:14px 16px;
  color:#fff;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
}
.brand img{
  width:30px;
  height:30px;
  border-radius:10px;
  background:#fff;
  padding:3px;
}

/* ================= CATEGORY MENU ================= */
.cat-menu{
  display:flex;
  gap:10px;
  padding:12px;
  overflow-x:auto;
  background:#f0f4ff;
}
.cat-menu a{
  padding:8px 14px;
  background:#fff;
  border-radius:999px;
  font-size:13px;
  white-space:nowrap;
  box-shadow:0 2px 6px rgba(0,0,0,.08);
}
.cat-menu a.active{
  background:#2563eb;
  color:#fff;
  font-weight:600;
}

/* ================= GRID APK (PADAT – 3/4 KOLOM HP) ================= */
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(100px,1fr));
  gap:10px;
  padding:12px;
}

/* ================= CARD APK ================= */
.card{
  background:#fff;
  border-radius:14px;
  padding:10px;
  text-align:center;
  box-shadow:0 4px 12px rgba(0,0,0,.08);
}

.card img{
  width:48px;
  height:48px;
  border-radius:12px;
  margin-bottom:6px;
}

.card b{
  display:block;
  font-size:12.5px;
  line-height:1.2;
}

.card small{
  color:#6b7280;
  font-size:11px;
}

/* Desktop lebih rapat */
@media(min-width:768px){
  .grid{
    grid-template-columns:repeat(6,1fr);
  }
}

/* ================= EMPTY ================= */
.empty{
  grid-column:1/-1;
  text-align:center;
  padding:40px;
  color:#6b7280;
}

/* ================= FOOTER ================= */
footer{
  text-align:center;
  padding:20px;
  color:#6b7280;
  font-size:13px;
}

/* ================= ADMIN ================= */
.admin-header{
  background:linear-gradient(135deg,#2563eb,#3b82f6);
  color:#fff;
  padding:16px;
  text-align:center;
  font-size:18px;
  font-weight:700;
}

.admin-container{
  padding:16px;
}

.admin-card{
  background:#fff;
  border-radius:16px;
  padding:16px;
  box-shadow:0 8px 24px rgba(0,0,0,.12);
  margin-bottom:16px;
}

.admin-card h2{
  margin:0 0 12px;
  font-size:16px;
}

.admin-input{
  width:100%;
  padding:12px;
  border-radius:10px;
  border:1px solid #d1d5db;
  margin-bottom:12px;
}

.admin-btn{
  display:block;
  width:100%;
  padding:12px;
  border-radius:12px;
  background:#2563eb;
  color:#fff;
  border:none;
  font-weight:600;
  text-align:center;
}

.admin-btn.gray{
  background:#e5e7eb;
  color:#111;
}

.admin-menu a{
  display:block;
  padding:14px;
  margin-top:10px;
  background:#eef2ff;
  border-radius:12px;
  font-weight:600;
  text-align:center;
}

/* ================= ADMIN APK LIST ================= */
.apk-item{
  display:flex;
  gap:12px;
  align-items:center;
}
.apk-item img{
  width:44px;
  height:44px;
  border-radius:12px;
}
.apk-info{
  flex:1;
}
.apk-info b{
  display:block;
  font-size:14px;
}
.apk-info small{
  color:#6b7280;
}
.apk-actions a{
  display:inline-block;
  padding:8px 12px;
  border-radius:8px;
  background:#2563eb;
  color:#fff;
  font-size:12px;
  margin-left:6px;
}
.apk-actions a.delete{
  background:#ef4444;
}

/* ================= APK DETAIL ================= */
.detail-wrap{
  padding:20px;
}
.detail-card{
  max-width:420px;
  margin:0 auto;
  background:#fff;
  padding:20px;
  border-radius:18px;
  box-shadow:0 10px 30px rgba(0,0,0,.12);
  text-align:center;
}
.detail-icon{
  width:80px;
  height:80px;
  border-radius:20px;
  margin-bottom:8px;
}
.detail-cat{
  color:#2563eb;
  font-weight:600;
  margin-bottom:14px;
}
.detail-note{
  font-size:13px;
  color:#6b7280;
  margin-top:12px;
}

/* ================= DOWNLOAD BUTTON ================= */
.download-btn{
  display:block;
  margin-top:18px;
  padding:16px;
  background:linear-gradient(135deg,#22c55e,#16a34a);
  color:#fff;
  border-radius:16px;
  font-size:16px;
  font-weight:800;
  text-align:center;
  box-shadow:0 8px 20px rgba(22,163,74,.45);
}
.download-btn:active{
  transform:scale(.97);
}
.drag-handle{
  font-size:20px;
  cursor:grab;
  padding:6px;
  color:#9ca3af;
  touch-action:none;
}

.drag-handle:active{
  cursor:grabbing;
}

.sortable-ghost{
  opacity:.4;
}

.sortable-chosen{
  background:#eef2ff;
}