* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  color: #111;
}

header {
  padding: 24px;
  background: #111;
  color: white;
}

header h1 {
  margin: 0;
  font-size: 32px;
}

header p {
  margin: 8px 0 0;
  opacity: .7;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 30px 20px;
}

section {
  background: white;
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 20px;
}

h2 {
  margin-top: 0;
}

label {
  display: block;
  margin-top: 14px;
  font-weight: 600;
}

input {
  width: 100%;
  margin-top: 6px;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 16px;
}

button {
  margin-top: 20px;
  padding: 14px 24px;
  border: 0;
  border-radius: 8px;
  background: #111;
  color: white;
  font-size: 16px;
  cursor: pointer;
}

button:disabled {
  opacity: .5;
  cursor: wait;
}

#status {
  margin-top: 15px;
}

#result {
  white-space: normal;
  font-family: inherit;
  overflow: visible;
}

/* BossLogic decision */

.decision-card {
  padding: 26px;
  border: 1px solid #e5e5e5;
  border-radius: 14px;
  background: #fafafa;
}

.decision-label {
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  opacity: .5;
}

.decision-card h3 {
  margin: 0 0 24px;
  font-size: 26px;
  line-height: 1.25;
}

.decision-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.decision-metrics > div {
  padding: 16px;
  border-radius: 10px;
  background: white;
  border: 1px solid #e8e8e8;
}

.decision-metrics span {
  display: block;
  margin-bottom: 7px;
  font-size: 13px;
  opacity: .55;
}

.decision-metrics strong {
  display: block;
  font-size: 20px;
}

@media (max-width: 650px) {
  .decision-metrics {
    grid-template-columns: 1fr;
  }

  .decision-card h3 {
    font-size: 22px;
  }
}

/* Decision states */

.decision-VIABLE {
  border-left: 6px solid #1f9d55;
}

.decision-VIABLE .decision-label {
  color: #1f9d55;
  opacity: 1;
}

.decision-VIABLE_LOW_SAFETY {
  border-left: 6px solid #d99a00;
}

.decision-VIABLE_LOW_SAFETY .decision-label {
  color: #b47d00;
  opacity: 1;
}

.decision-VIABLE_BUT_CRITICAL {
  border-left: 6px solid #e05a3f;
}

.decision-VIABLE_BUT_CRITICAL .decision-label {
  color: #c7462e;
  opacity: 1;
}

.decision-NO_VIABLE_VARIANT {
  border-left: 6px solid #c62828;
}

.decision-NO_VIABLE_VARIANT .decision-label {
  color: #c62828;
  opacity: 1;
}

/* BossLogic explanation */

.explanation-card {
  margin-top: 18px;
  padding: 22px 24px;
  border-radius: 14px;
  background: #f7f7f7;
  border: 1px solid #e5e5e5;
}

.explanation-label {
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.4px;
  opacity: .5;
}

.explanation-card p {
  margin: 0;
  font-size: 16px;
  line-height: 1.65;
}

.recommendations-card {
  margin-top: 18px;
  padding: 22px 24px;
  border-radius: 14px;
  background: #111;
  color: white;
}

.recommendations-label {
  margin-bottom: 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.4px;
  opacity: .55;
}

.recommendation-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 15px 0;
  border-top: 1px solid rgba(255,255,255,.12);
}

.recommendation-item > div {
  min-width: 0;
}

.recommendation-item > div > strong {
  display: block;
  font-size: 16px;
  line-height: 1.35;
}

.recommendation-item span {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  opacity: .55;
}

.recommendation-item > strong {
  flex-shrink: 0;
  font-size: 18px;
}

@media (max-width: 650px) {
  .recommendation-item {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}

.recommendation-item .recommendation-validation {
  margin-top: 6px;
  font-size: 12px;
  font-weight: 600;
  opacity: .8;
}

.recommendation-gap {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,.28);
}

.recommendation-gap span {
  display: block;
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  opacity: .55;
}

.recommendation-gap strong {
  display: block;
  font-size: 18px;
  line-height: 1.45;
}