* { box-sizing: border-box; }
body {
  font-family: 'Segoe UI', Georgia, 'Times New Roman', serif;
  margin: 0;
  background: #F4F1E9;
  color: #14213D;
}
header {
  background: #0B1F3A;
  color: #F4F1E9;
  padding: 16px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  border-bottom: 3px solid #C9A227;
}
header a {
  color: #E8E2CF;
  text-decoration: none;
  margin-right: 18px;
  font-size: 14px;
  font-family: 'Segoe UI', Arial, sans-serif;
}
header a:hover { color: #C9A227; }
header .brand {
  font-weight: 700;
  font-size: 22px;
  margin-right: 36px;
  letter-spacing: 0.5px;
  color: #F4F1E9;
  font-family: Georgia, serif;
}
header .brand .gold { color: #C9A227; }
main {
  max-width: 1040px;
  margin: 28px auto;
  padding: 0 16px;
  font-family: 'Segoe UI', Arial, sans-serif;
}
.flash {
  background: #FFF7E0;
  border: 1px solid #C9A227;
  padding: 10px 14px;
  border-radius: 4px;
  margin-bottom: 16px;
}
.card {
  background: #FFFFFF;
  border: 1px solid #E4DCC6;
  border-radius: 6px;
  padding: 20px;
  margin-bottom: 18px;
  box-shadow: 0 2px 6px rgba(11,31,58,0.06);
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 18px;
}
.btn {
  display: inline-block;
  background: #0B1F3A;
  color: #F4F1E9;
  border: none;
  padding: 9px 18px;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  font-size: 14px;
  font-family: 'Segoe UI', Arial, sans-serif;
}
.btn:hover { background: #14315C; }
.btn.gold {
  background: #C9A227;
  color: #0B1F3A;
  font-weight: 600;
}
.btn.danger { background: #8C2F2F; }
input, textarea, select {
  width: 100%;
  padding: 9px 10px;
  margin: 6px 0 14px;
  border: 1px solid #CBBFA0;
  border-radius: 4px;
  font-size: 14px;
  font-family: 'Segoe UI', Arial, sans-serif;
}
label {
  font-size: 13px;
  font-weight: 600;
  color: #0B1F3A;
  font-family: 'Segoe UI', Arial, sans-serif;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-family: 'Segoe UI', Arial, sans-serif;
}
th, td {
  text-align: left;
  padding: 9px;
  border-bottom: 1px solid #E4DCC6;
  font-size: 14px;
}
th { color: #0B1F3A; text-transform: uppercase; font-size: 11px; letter-spacing: 0.5px; }
.balance {
  font-weight: 700;
  font-size: 28px;
  color: #0B1F3A;
  font-family: Georgia, serif;
}
.account-number {
  font-family: 'Consolas', monospace;
  color: #6B6350;
  font-size: 13px;
}
.tag {
  display: inline-block;
  background: #EFE9D6;
  color: #0B1F3A;
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
pre {
  background: #0B1F3A;
  color: #C9A227;
  padding: 14px;
  border-radius: 4px;
  overflow-x: auto;
  font-size: 13px;
}
.hero {
  text-align: center;
  padding: 60px 20px;
  background: linear-gradient(180deg, #0B1F3A 0%, #14315C 100%);
  color: #F4F1E9;
  border-radius: 6px;
  margin-bottom: 24px;
}
.hero h1 { font-family: Georgia, serif; font-size: 38px; margin-bottom: 10px; }
.hero p { color: #C9C2A6; font-size: 16px; }
.amount-in { color: #1F7A4D; font-weight: 600; }
.amount-out { color: #8C2F2F; font-weight: 600; }