:root {
  --brand: #2563eb;
  --brand-dark: #1e40af;
  --brand-light: #eff6ff;
  --bg: #f4f6fa;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --hijau: #16a34a;
  --merah: #dc2626;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.topbar {
  background: linear-gradient(135deg, var(--brand-dark), var(--brand));
  color: #fff;
  padding: 12px 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.brand { font-weight: 700; font-size: 1.1rem; margin-bottom: 8px; }
.nav { display: flex; gap: 4px; overflow-x: auto; }
.nav a { color: #dbeafe; text-decoration: none; font-size: 0.85rem; padding: 6px 10px; border-radius: 8px; white-space: nowrap; }
.nav a.active { background: rgba(255,255,255,0.18); color: #fff; font-weight: 700; }
.nav .logout { margin-left: auto; color: #fecaca; }

.container { max-width: 680px; margin: 0 auto; padding: 16px; }

.hero {
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #fff;
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 14px;
  text-align: center;
  font-size: 1rem;
}

.card {
  background: var(--card);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 14px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.card h2 { font-size: 1.1rem; margin-bottom: 12px; }
.card h3 { font-size: 0.95rem; margin: 14px 0 8px; }
.hint { color: var(--muted); font-size: 0.85rem; }
.empty { color: var(--muted); font-size: 0.9rem; }

.stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 14px; }
.stat {
  background: var(--card);
  border-radius: 14px;
  padding: 14px;
  text-align: center;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  border-top: 3px solid var(--brand);
}
.stat.laba { border-top-color: var(--hijau); }
.stat.masuk { border-top-color: var(--hijau); }
.stat.keluar { border-top-color: var(--merah); }
.stat-num { font-size: 1.25rem; font-weight: 800; }
.stat-label { font-size: 0.78rem; color: var(--muted); }

.form { display: grid; gap: 10px; }
.form input, .form select { padding: 12px; border: 1px solid #d1d5db; border-radius: 10px; font-size: 1rem; }
.form-inline { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.form-inline input { padding: 10px; border: 1px solid #d1d5db; border-radius: 10px; font-size: 0.95rem; }

.btn-primary {
  background: var(--brand); color: #fff; border: none; border-radius: 10px;
  padding: 12px 16px; font-weight: 700; cursor: pointer; font-size: 0.95rem;
  text-align: center; text-decoration: none; display: inline-block;
}
.btn-secondary {
  background: #fff; color: var(--brand); border: 2px solid var(--brand);
  border-radius: 10px; padding: 10px 14px; font-weight: 700; cursor: pointer;
  font-size: 0.9rem; text-decoration: none; display: inline-block;
}

.trx-list { list-style: none; }
.trx { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid #f1f5f9; gap: 10px; }
.trx:last-child { border-bottom: none; }
.trx-ket { font-weight: 600; font-size: 0.95rem; }
.trx-meta { font-size: 0.75rem; color: var(--muted); }
.trx-nominal { font-weight: 700; white-space: nowrap; }
.plus { color: var(--hijau); }
.minus { color: var(--merah); }

.table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.table th, .table td { padding: 8px; text-align: left; border-bottom: 1px solid #f1f5f9; }
.table th { color: var(--muted); font-size: 0.78rem; }
.table-wrap { overflow-x: auto; }

.badge { display: inline-block; padding: 3px 9px; border-radius: 20px; font-size: 0.72rem; font-weight: 700; white-space: nowrap; }
.badge-masuk { background: #dcfce7; color: #166534; }
.badge-keluar { background: #fee2e2; color: #991b1b; }

.kategori-list { display: grid; gap: 8px; }
.kategori-row { display: flex; justify-content: space-between; padding: 10px 12px; background: #f8fafc; border-radius: 10px; }
.kategori-nama { font-weight: 600; }
.kategori-nominal { font-weight: 700; color: var(--merah); }

/* login */
.login-body { background: linear-gradient(160deg, var(--brand-dark), var(--brand)); }
.login-wrap { max-width: 380px; margin: 8vh auto; padding: 0 16px; }
.login-card { text-align: center; padding: 28px 22px; }
.login-card h1 { margin-bottom: 14px; font-size: 1.25rem; color: var(--brand-dark); }
.login-card form { display: grid; gap: 12px; }
.login-card input { padding: 14px; font-size: 1rem; border: 1px solid #d1d5db; border-radius: 10px; text-align: center; }
.login-error { color: #b91c1c; font-size: 0.9rem; margin-top: 10px; }