:root {
  --mslba-navy: #06295f;
  --mslba-gold: #f7b731;
  --mslba-red: #d9363e;
  --mslba-green: #087a2e;
  --mslba-border: #d8dee8;
  --mslba-muted: #667085;
  --mslba-bg: #f6f8fb;
}
.mslba-checkout { font-family: Arial, Helvetica, sans-serif; color: #172033; max-width: 1180px; margin: 0 auto; padding: 24px; }
.mslba-header { display: flex; gap: 18px; align-items: center; margin-bottom: 24px; }
.mslba-header img { max-height: 86px; width: auto; }
.mslba-header h1 { color: var(--mslba-navy); font-size: 42px; margin: 0 0 8px; }
.mslba-header p { margin: 0; color: var(--mslba-muted); font-size: 17px; line-height: 1.45; }
.mslba-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 28px; align-items: start; }
.mslba-card { background: #fff; border: 1px solid var(--mslba-border); border-radius: 14px; padding: 24px; box-shadow: 0 8px 24px rgba(16, 24, 40, 0.06); }
.mslba-section { margin-bottom: 28px; }
.mslba-section h2 { font-size: 20px; color: var(--mslba-navy); margin: 0 0 16px; padding-bottom: 10px; border-bottom: 1px solid var(--mslba-border); }
.mslba-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.mslba-row.three { grid-template-columns: 1.4fr 0.8fr 0.8fr; }
.mslba-field { margin-bottom: 14px; }
.mslba-field label { display: block; font-weight: 700; font-size: 14px; margin-bottom: 7px; }
.mslba-field label span { color: var(--mslba-red); }
.mslba-field input, .mslba-field select { width: 100%; box-sizing: border-box; border: 1px solid #cdd5df; border-radius: 8px; padding: 12px; font-size: 15px; background: #fff; }
.mslba-field input:focus, .mslba-field select:focus { outline: 3px solid rgba(6, 41, 95, 0.14); border-color: var(--mslba-navy); }
.mslba-alert { background: #fff8e1; border: 1px solid #f3cf70; border-radius: 8px; padding: 12px; font-size: 14px; line-height: 1.45; }
.mslba-note { color: var(--mslba-muted); font-size: 13px; margin-top: 6px; }
.mslba-summary h3 { margin: 0 0 18px; color: var(--mslba-navy); }
.mslba-summary-line { display: flex; justify-content: space-between; gap: 16px; margin: 12px 0; }
.mslba-summary-total { border-top: 1px solid var(--mslba-border); margin-top: 18px; padding-top: 18px; font-size: 22px; font-weight: 800; color: var(--mslba-green); }
.mslba-payment-box { border: 1px solid var(--mslba-border); border-radius: 10px; padding: 16px; background: var(--mslba-bg); }
.mslba-checkbox { display: flex; gap: 10px; align-items: flex-start; margin: 12px 0; font-size: 14px; line-height: 1.45; }
.mslba-checkbox input { margin-top: 3px; }
.mslba-button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--mslba-navy); color: #fff; border: 0; border-radius: 9px; padding: 14px 20px; font-weight: 800; font-size: 16px; cursor: pointer; width: 100%; }
.mslba-button:hover { filter: brightness(1.08); }
.mslba-button:disabled { opacity: 0.6; cursor: not-allowed; }
.mslba-errors { color: var(--mslba-red); font-weight: 700; margin: 12px 0; }
.mslba-success { background: #eaf8ef; border: 1px solid #abddb9; color: #0b5c29; border-radius: 8px; padding: 14px; font-weight: 700; }
@media (max-width: 850px) { .mslba-grid, .mslba-row, .mslba-row.three { grid-template-columns: 1fr; } .mslba-header { align-items: flex-start; flex-direction: column; } }