/* ==========================================================================
   Materials Directory & Dedicated Calculator Stylesheet
   ========================================================================== */

/* Main Containers */
.webpages-layout {
  padding-top: 110px; /* Account for floating capsule header */
  padding-bottom: 60px;
  max-width: 1200px;
  margin: 0 auto;
}

/* Material Catalog Page */
.materials-intro {
  margin-bottom: 40px;
}

.materials-intro h1 {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.materials-intro p {
  font-size: 16px;
  color: var(--color-text-muted);
  max-width: 720px;
  line-height: 1.6;
}

.materials-catalog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-bottom: 60px;
}

.mat-detail-card {
  background-color: #ffffff; /* White background for high contrast */
  border: 1px solid rgba(18, 94, 115, 0.08);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.015);
  padding: var(--space-2xl);
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-xl);
  transition: var(--transition-smooth);
}

.mat-detail-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(18, 94, 115, 0.06);
  border-color: var(--color-primary);
}

.mat-card-icon-box {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mat-card-icon-box svg {
  width: 40px;
  height: 40px;
}

.mat-card-content h2 {
  font-family: var(--font-heading);
  font-size: 24px;
  color: var(--color-text-title);
  margin-bottom: 8px;
}

.mat-card-desc {
  font-size: 15px;
  color: var(--color-text-body);
  line-height: 1.5;
  margin-bottom: var(--space-xl);
}

/* Material Grades list styling */
.mat-grades-section {
  margin-bottom: var(--space-xl);
}

.mat-grades-title {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.mat-grades-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.mat-grade-item {
  background-color: var(--color-bg-main);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-lg);
}

.mat-grade-item h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-title);
  margin-bottom: 4px;
}

.mat-grade-item p {
  font-size: 13.5px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Sorting Tips Section */
.mat-tips-section {
  margin-bottom: var(--space-xl);
  background-color: var(--color-secondary-light);
  border: 1px solid rgba(31, 175, 158, 0.15);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
}

.mat-tips-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-secondary-dark);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: 8px;
}

.mat-tips-title svg {
  width: 20px;
  height: 20px;
}

.mat-tips-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.mat-tips-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: var(--color-text-body);
  line-height: 1.5;
}

.mat-tips-list li::before {
  content: '⚡';
  position: absolute;
  left: 0;
  top: 0;
}

.mat-card-actions {
  display: flex;
  justify-content: flex-end;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

/* ==========================================================================
   Full Page Calculator Style
   ========================================================================== */
.full-calc-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.full-calc-form-card {
  background-color: #ffffff;
  border: 1px solid rgba(18, 94, 115, 0.08);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.015);
  padding: var(--space-2xl);
}

.full-calc-form-card h2 {
  font-family: var(--font-heading);
  font-size: 22px;
  color: var(--color-text-title);
  margin-bottom: var(--space-md);
}

.full-calc-intro-text {
  font-size: 14.5px;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-xl);
}

.full-calc-form-card .form-group-solid {
  margin-bottom: var(--space-xl);
}

.full-calc-form-card label {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--color-text-title);
  margin-bottom: var(--space-sm);
}

.full-calc-form-card select.solid-input,
.full-calc-form-card input.solid-input {
  border: 1px solid rgba(18, 94, 115, 0.15);
  background-color: white;
  color: var(--color-text-title);
  transition: var(--transition-smooth);
}

.full-calc-form-card select.solid-input:focus,
.full-calc-form-card input.solid-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-focus-ring);
  outline: none;
}

/* Results Card right side */
.full-calc-result-card {
  background-color: #ffffff;
  border: 1px solid rgba(18, 94, 115, 0.08);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.015);
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.result-placeholder-state {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  color: var(--color-text-muted);
}

.result-placeholder-state svg {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-lg) auto;
  color: rgba(18, 94, 115, 0.15);
}

.result-placeholder-state p {
  font-size: 14.5px;
  max-width: 320px;
  margin: 0 auto;
}

.calc-display-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.calc-display-header {
  border-bottom: 1.5px solid var(--color-border);
  padding-bottom: var(--space-sm);
}

.calc-display-header h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--color-primary);
}

.calc-display-header p {
  font-size: 13px;
  color: var(--color-text-muted);
}

.estimate-numbers-box {
  background: linear-gradient(135deg, hsl(192, 35%, 8%), hsl(192, 22%, 16%));
  border: 1px solid rgba(31, 175, 158, 0.2);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  color: white;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.estimate-val-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.estimate-val-row span {
  font-size: 13.5px;
  color: #a3a3a3;
}

.estimate-val-row strong {
  font-size: 18px;
  color: white;
}

.estimate-val-row.main-typical strong {
  font-size: 28px;
  color: var(--color-secondary); /* Brand Secondary Teal */
}

/* Responsive Adaptations */
@media (max-width: 868px) {
  .mat-detail-card {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  .mat-card-icon-box {
    width: 60px;
    height: 60px;
  }
  .mat-card-icon-box svg {
    width: 30px;
    height: 30px;
  }
  .full-calc-container {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}