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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: #F8F9FA;
  color: #11181C;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}

.app {
  max-width: 420px;
  margin: 0 auto;
  padding: 16px 18px 32px;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.logo {
  height: 42px;
  width: auto;
}

.reset-btn {
  background: #fff;
  border: 1.5px solid #1B3A5C;
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  color: #1B3A5C;
  cursor: pointer;
  transition: opacity 0.15s;
}

.reset-btn:active {
  opacity: 0.7;
}

.result-card {
  background: linear-gradient(135deg, #1B3A5C 0%, #2C5282 100%);
  border-radius: 20px;
  padding: 20px 24px;
  margin-bottom: 16px;
  color: #fff;
}

.result-label {
  font-size: 14px;
  opacity: 0.85;
  display: block;
  margin-bottom: 4px;
}

.result-value-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.result-value {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.1;
}

.result-unit {
  font-size: 22px;
  font-weight: 600;
  opacity: 0.8;
}

.base-chip {
  display: inline-block;
  margin-top: 10px;
  background: rgba(255,255,255,0.18);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
}

.exception-card {
  background: linear-gradient(135deg, #92400E 0%, #B45309 100%);
  border-radius: 20px;
  padding: 20px 24px;
  margin-bottom: 16px;
  color: #fff;
}

.exception-label {
  font-size: 14px;
  opacity: 0.85;
  display: block;
  margin-bottom: 4px;
}

.exception-headline {
  font-size: 24px;
  font-weight: 800;
  display: block;
  margin-bottom: 8px;
}

.exception-summary {
  font-size: 13px;
  line-height: 1.5;
  opacity: 0.92;
  margin-bottom: 12px;
}

.exception-chip {
  display: inline-block;
  background: rgba(255,255,255,0.18);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
}

.limit-banner {
  background: #FEF3C7;
  border: 1px solid #F59E0B;
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 12px;
  color: #92400E;
  font-weight: 500;
  margin-bottom: 12px;
  text-align: center;
}

.hidden {
  display: none !important;
}

.sections {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.section-card {
  background: #fff;
  border-radius: 16px;
  padding: 16px;
  border: 1px solid #E5E7EB;
}

.section-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.section-description {
  font-size: 12px;
  color: #687076;
  margin-bottom: 12px;
}

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

.option-btn {
  background: #F8F9FA;
  border: 1.5px solid #E5E7EB;
  border-radius: 12px;
  padding: 12px;
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
}

.option-btn:active {
  transform: scale(0.97);
}

.option-btn.active {
  background: #EBF4FF;
  border-color: #1B3A5C;
}

.option-btn.exception {
  background: #FFF7ED;
  border-color: #F59E0B;
}

.option-btn.exception.active {
  background: #FEF3C7;
  border-color: #D97706;
}

.option-label {
  font-size: 13px;
  font-weight: 600;
  display: block;
  margin-bottom: 6px;
  color: #11181C;
}

.option-badge {
  display: inline-block;
  background: #E5E7EB;
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 11px;
  font-weight: 600;
  color: #374151;
}

.option-btn.active .option-badge {
  background: #1B3A5C;
  color: #fff;
}

.option-btn.exception .option-badge {
  background: #FDE68A;
  color: #92400E;
}

.option-btn.exception.active .option-badge {
  background: #D97706;
  color: #fff;
}

.footer-card {
  margin-top: 16px;
  text-align: center;
  padding: 14px;
  background: #fff;
  border-radius: 12px;
  border: 1px solid #E5E7EB;
}

.footer-value {
  font-size: 22px;
  font-weight: 800;
  color: #1B3A5C;
}

.footer-label {
  font-size: 13px;
  color: #687076;
  margin-left: 6px;
}