/* Metal Weight & Processing Calculator Styling */
.calc-container {
  max-width: var(--site-max-width, 1400px);
  margin-left: auto;
  margin-right: auto;
  padding: 1.5rem 0 4rem;
  width: 100%;
  box-sizing: border-box;
}

.calc-hero {
  text-align: center;
  margin-bottom: 2.5rem;
}

.calc-hero .eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #c5a059;
  margin-bottom: 0.5rem;
}

.calc-hero h1 {
  font-size: clamp(32px, 3.4vw, 46px);
  margin-bottom: 0.75rem;
  color: #111827;
}

.calc-hero p {
  color: #64748b;
  font-size: 1.05rem;
  max-width: 760px;
  margin: 0 auto;
  line-height: 1.6;
}

.calc-wrapper {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2rem;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 2.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 920px) {
  .calc-wrapper {
    grid-template-columns: 1fr;
    padding: 1.25rem;
  }
}

.calc-type-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  border-bottom: 1px solid #e2e8f0;
  padding-bottom: 1.25rem;
}

.calc-tab-btn {
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  padding: 0.65rem 1.1rem;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  color: #334155;
}

.calc-tab-btn:hover {
  background: #f1f5f9;
  border-color: #94a3b8;
}

.calc-tab-btn.active {
  background: #0f172a;
  color: #ffffff;
  border-color: #0f172a;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.25);
}

.calc-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 600px) {
  .calc-form-grid {
    grid-template-columns: 1fr;
  }
}

.calc-form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.calc-form-group.full-width {
  grid-column: 1 / -1;
}

.calc-form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: #1e293b;
}

.calc-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.calc-input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  padding-right: 3.5rem;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  font-size: 1rem;
  color: #0f172a;
  background: #ffffff;
  box-sizing: border-box;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.calc-input:focus {
  outline: none;
  border-color: #c5a059;
  box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.2);
}

.calc-unit {
  position: absolute;
  right: 0.85rem;
  font-size: 0.85rem;
  color: #64748b;
  pointer-events: none;
  font-weight: 500;
}

.calc-select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  font-size: 0.95rem;
  color: #0f172a;
  background: #ffffff;
  box-sizing: border-box;
}

.calc-select:focus {
  outline: none;
  border-color: #c5a059;
}

.calc-density-info {
  font-size: 0.82rem;
  color: #64748b;
  margin-top: 0.2rem;
}

/* Result Card */
.calc-result-panel {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: #ffffff;
  border-radius: 10px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.calc-result-header {
  font-size: 1.15rem;
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding-bottom: 0.75rem;
  margin-bottom: 1.25rem;
  color: #f1f5f9;
}

.calc-result-metric {
  margin-bottom: 1.25rem;
}

.calc-result-label {
  font-size: 0.85rem;
  color: #94a3b8;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.calc-result-val {
  font-size: 2.2rem;
  font-weight: 700;
  color: #f59e0b;
  line-height: 1.1;
}

.calc-result-subval {
  font-size: 0.92rem;
  color: #cbd5e1;
  margin-top: 0.4rem;
}

.calc-breakdown-list {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.88rem;
  color: #cbd5e1;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.calc-breakdown-row {
  display: flex;
  justify-content: space-between;
}

.calc-breakdown-row span:last-child {
  font-weight: 600;
  color: #f8fafc;
}

.calc-cta-btn {
  background: #c5a059;
  color: #ffffff;
  border: none;
  padding: 0.9rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: background 0.2s, transform 0.1s;
}

.calc-cta-btn:hover {
  background: #b08c43;
  transform: translateY(-1px);
}

.calc-reference-guide {
  margin-top: 3rem;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 2rem;
}

.calc-reference-guide h2 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  color: #0f172a;
}

.calc-reference-guide p {
  color: #475569;
  font-size: 0.95rem;
  line-height: 1.6;
}

.calc-table-wrap {
  overflow-x: auto;
  margin-top: 1.25rem;
}

.calc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.calc-table th, .calc-table td {
  padding: 0.75rem 1rem;
  border: 1px solid #e2e8f0;
  text-align: left;
}

.calc-table th {
  background: #edf2f7;
  font-weight: 600;
  color: #1e293b;
}

.calc-table td {
  color: #334155;
}


/* Mobile Calculator Optimizations */
@media (max-width: 860px) {
  .calc-container {
    padding: 16px 16px 80px !important;
  }

  .calc-hero {
    padding: 20px 0 16px !important;
  }

  .calc-hero h1 {
    font-size: 26px !important;
  }

  .calc-type-selector {
    display: flex !important;
    overflow-x: auto !important;
    padding-bottom: 8px !important;
    gap: 8px !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
  }

  .calc-type-selector::-webkit-scrollbar {
    display: none !important;
  }

  .calc-tab-btn {
    flex-shrink: 0 !important;
    padding: 10px 16px !important;
    font-size: 14px !important;
    white-space: nowrap !important;
    min-height: 42px !important;
  }

  .calc-wrapper {
    grid-template-columns: 1fr !important;
    padding: 18px !important;
    gap: 24px !important;
  }

  .calc-form-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }

  .calc-input, .calc-select {
    font-size: 16px !important;
    min-height: 46px !important;
  }

  .calc-results {
    position: static !important;
    margin-top: 10px !important;
  }
}