/* ===== Reusable Calculator Component Styling ===== */

.calculator {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.calc-section {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.calc-section h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 16px;
  color: var(--ink);
}

/* ===== Scenario Selection ===== */
.scenario-selection {
  background: linear-gradient(135deg, #f9f7f3 0%, #fffdf8 100%);
  border: 1px solid #e6d9bd;
}

.scenario-group {
  margin-bottom: 16px;
}

.scenario-group:last-child {
  margin-bottom: 0;
}

.scenario-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.scenario-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.scenario-btn {
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: white;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--slate);
  cursor: pointer;
  transition: all 0.15s;
}

.scenario-btn:hover {
  border-color: var(--gold);
  background: #fffdf8;
  color: var(--gold);
}

.scenario-btn.active {
  background: var(--gold);
  color: white;
  border-color: var(--gold);
  box-shadow: 0 2px 8px rgba(184,137,59,0.2);
}

/* ===== Formula Breakdown ===== */
.formula-breakdown {
  background: #f5f0e8;
  border: 1px solid #e6d9bd;
}

.formula-display {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.8;
  color: var(--navy-900);
  background: white;
  padding: 14px;
  border-radius: 6px;
  border: 1px solid #e6d9bd;
  overflow-x: auto;
}

.formula-display .formula-var {
  font-weight: 600;
  color: var(--gold);
}

.formula-display .formula-result {
  font-weight: 700;
  color: var(--navy-900);
  border-top: 1px solid #e6d9bd;
  padding-top: 8px;
  margin-top: 8px;
}

/* ===== Interactive Inputs ===== */
.interactive-inputs {
  background: #f0f7ff;
  border: 1px solid #d0e0f0;
}

.input-row {
  display: grid;
  grid-template-columns: 200px 1fr 80px;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}

.input-row:last-child {
  margin-bottom: 0;
}

.input-row label {
  font-size: 12px;
  font-weight: 600;
  color: var(--slate);
}

.input-row input {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 13px;
  font-family: 'Courier New', monospace;
  background: white;
  color: var(--navy-900);
}

.input-row input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(184,137,59,0.1);
}

.input-row .suffix {
  font-size: 11px;
  color: var(--mute);
  font-weight: 600;
}

/* ===== Results Display ===== */
.results {
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 100%);
  color: white;
  border: 1px solid var(--navy-700);
}

.results h3 {
  color: white;
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.result-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: 16px;
  backdrop-filter: blur(4px);
}

.result-card.primary {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(184,137,59,0.15) 0%, rgba(184,137,59,0.08) 100%);
  border: 1px solid rgba(184,137,59,0.3);
}

.result-label {
  display: block;
  font-size: 11px;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.result-card.primary .result-label {
  color: rgba(184,137,59,0.8);
}

.result-value {
  display: block;
  font-family: 'Fraunces', serif;
  font-size: 36px;
  font-weight: 600;
  color: white;
  margin-bottom: 4px;
}

.result-card.primary .result-value {
  font-size: 48px;
  color: rgba(184,137,59,1);
}

.result-unit {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}

/* ===== Band Scenarios ===== */
.result-bands {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  grid-column: 1 / -1;
}

.band {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 6px;
  padding: 12px;
  text-align: center;
}

.band.active {
  background: rgba(184,137,59,0.2);
  border: 1px solid rgba(184,137,59,0.5);
}

.band span:first-child {
  display: block;
  font-size: 10px;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 4px;
}

.band.active span:first-child {
  color: rgba(184,137,59,0.8);
}

.band-value {
  display: block;
  font-family: 'Fraunces', serif;
  font-size: 18px;
  font-weight: 600;
  color: white;
}

.band.active .band-value {
  color: rgba(184,137,59,1);
  font-size: 20px;
}

/* ===== Secondary Results ===== */
.result-secondary {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.12);
}

.secondary-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.secondary-item span:first-child {
  font-size: 10px;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.secondary-item strong {
  font-family: 'Fraunces', serif;
  font-size: 16px;
  color: white;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .scenario-buttons {
    flex-direction: column;
  }

  .scenario-btn {
    width: 100%;
  }

  .input-row {
    grid-template-columns: 1fr;
  }

  .results-grid {
    grid-template-columns: 1fr;
  }

  .result-bands {
    grid-template-columns: 1fr;
  }

  .result-value {
    font-size: 28px;
  }

  .result-card.primary .result-value {
    font-size: 36px;
  }
}