* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f3f4f6;
  color: #111827;
  padding: 16px;
  padding-top: max(16px, env(safe-area-inset-top));
  padding-bottom: max(16px, env(safe-area-inset-bottom));
  max-width: 600px;
  margin: 0 auto;
  -webkit-tap-highlight-color: transparent;
}

.hidden { display: none !important; }

.pesan-setup {
  background: #fef3c7;
  border: 1px solid #fbbf24;
  padding: 16px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
}
.pesan-setup h2 { font-size: 16px; margin-bottom: 8px; }
.pesan-setup code {
  background: rgba(0,0,0,0.05);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 12px;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

h1 { font-size: 20px; }

.status-koneksi {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #d1d5db;
  transition: background 0.3s;
}
.status-koneksi.tersambung { background: #10b981; }
.status-koneksi.gagal { background: #ef4444; }

.card {
  background: white;
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

h2 { font-size: 15px; margin-bottom: 12px; }

.ringkasan {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.ringkasan-item {
  background: #f9fafb;
  padding: 12px;
  border-radius: 8px;
}
.ringkasan-item .label {
  font-size: 11px;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.ringkasan-item .nilai {
  font-size: 18px;
  font-weight: 600;
  margin-top: 4px;
}
.ringkasan-item.alert { background: #fef2f2; }
.ringkasan-item.alert .nilai { color: #dc2626; }

label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 4px;
  color: #374151;
}

input[type="date"], input[type="number"] {
  width: 100%;
  padding: 10px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 16px;
  margin-bottom: 12px;
  font-family: inherit;
  background: white;
}
input:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

button.primary {
  width: 100%;
  background: #2563eb;
  color: white;
  border: none;
  padding: 12px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
}
button.primary:active { background: #1d4ed8; }
button.primary:disabled { opacity: 0.5; cursor: wait; }

.item {
  display: flex;
  align-items: center;
  padding: 12px 4px;
  border-bottom: 1px solid #f3f4f6;
}
.item:last-child { border-bottom: none; }

.item input[type="checkbox"] {
  width: 22px;
  height: 22px;
  margin-right: 12px;
  cursor: pointer;
  flex-shrink: 0;
  accent-color: #10b981;
}

.item-info {
  flex: 1;
  min-width: 0;
}
.item-tanggal { font-weight: 500; font-size: 15px; }
.item-detail { font-size: 13px; color: #6b7280; margin-top: 2px; }

.item.dibayar .item-info { opacity: 0.5; }
.item.dibayar .item-tanggal { text-decoration: line-through; }

.badge {
  display: inline-block;
  background: #dcfce7;
  color: #166534;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 6px;
  text-transform: uppercase;
  font-weight: 600;
  vertical-align: middle;
}

.item-hapus {
  background: none;
  border: none;
  color: #9ca3af;
  width: auto;
  padding: 4px 10px;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
}
.item-hapus:active { color: #dc2626; }

.kosong, .loading {
  text-align: center;
  padding: 24px;
  color: #9ca3af;
  font-size: 14px;
}

.footer {
  text-align: center;
  font-size: 11px;
  color: #9ca3af;
  margin-top: 16px;
  padding-bottom: 8px;
}