* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: #0f172a;
  color: #e2e8f0;
  font-size: 15px;
}
#app { max-width: 600px; margin: 0 auto; }
.nav {
  display: flex;
  gap: 6px;
  padding: 10px;
  background: #1e293b;
  overflow-x: auto;
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav button {
  background: #334155;
  border: none;
  color: #e2e8f0;
  padding: 8px 12px;
  border-radius: 8px;
  white-space: nowrap;
  font-size: 13px;
}
.nav button:active { background: #475569; }
.content { padding: 16px; }
h2, h3 { margin: 0 0 12px; color: #38bdf8; }
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}
.card {
  background: #1e293b;
  padding: 12px;
  border-radius: 10px;
}
.card .label { font-size: 12px; color: #94a3b8; }
.card .value { font-size: 20px; font-weight: bold; color: #22d3ee; }
.row {
  background: #1e293b;
  padding: 12px;
  border-radius: 10px;
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.row .sub { font-size: 12px; color: #94a3b8; margin-top: 4px; }
.badge {
  background: #334155;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 12px;
}
.badge.green { background: #14532d; color: #86efac; }
.badge.red { background: #450a0a; color: #fca5a5; }
button {
  background: #334155;
  border: none;
  color: #e2e8f0;
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
}
button.primary { background: #0ea5e9; color: #fff; }
button.danger { background: #ef4444; color: #fff; }
button.small { padding: 6px 10px; font-size: 12px; }
button:active { opacity: 0.85; }
form { margin-bottom: 16px; }
label { display: block; margin: 10px 0 4px; font-size: 13px; color: #94a3b8; }
input, select, textarea {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #334155;
  background: #0f172a;
  color: #e2e8f0;
  font-size: 14px;
}
input[type="checkbox"] { width: auto; }
.actions { display: flex; gap: 8px; margin-top: 16px; }
.btn-add { width: 100%; margin-bottom: 12px; background: #0ea5e9; color: #fff; }
.empty { color: #64748b; text-align: center; padding: 20px; }
.error { color: #fca5a5; background: #450a0a; padding: 14px; border-radius: 10px; margin: 10px 0; }
#loading { text-align: center; padding: 40px; color: #94a3b8; }