/**
 * APR Theme - Reusable Components & Interactive Elements
 *
 * Professional, operational, accessible freight-tech component library.
 * Designed with 14px border radius, subtle borders, and clear hierarchy.
 */

/* ==========================================================================
   1. Buttons & Action Links
   ========================================================================== */
.apr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  min-height: 44px;
  font-size: var(--apr-text-sm);
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  border-radius: var(--apr-radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--apr-transition-fast);
  white-space: nowrap;
}

.apr-btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.apr-btn:active {
  transform: translateY(0);
}

/* Primary Action CTA */
.apr-btn-primary {
  background-color: var(--apr-accent);
  color: #FFFFFF;
  border-color: var(--apr-accent);
  box-shadow: 0 1px 3px 0 rgba(37, 99, 235, 0.25);
}

.apr-btn-primary:hover {
  background-color: var(--apr-accent-hover);
  border-color: var(--apr-accent-hover);
  color: #FFFFFF;
  box-shadow: 0 4px 8px -1px rgba(37, 99, 235, 0.3);
}

/* Secondary Action Button */
.apr-btn-secondary {
  background-color: var(--apr-primary);
  color: #FFFFFF;
  border-color: var(--apr-primary);
}

.apr-btn-secondary:hover {
  background-color: var(--apr-surface-navy);
  border-color: var(--apr-surface-navy);
  color: #FFFFFF;
}

/* Neutral Outline Button */
.apr-btn-outline {
  background-color: #FFFFFF;
  color: var(--apr-primary);
  border-color: var(--apr-border-strong);
}

.apr-btn-outline:hover {
  background-color: var(--apr-bg-warm);
  border-color: var(--apr-primary);
  color: var(--apr-primary);
}

/* Text link with arrow */
.apr-link-action {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--apr-text-sm);
  font-weight: 700;
  color: var(--apr-accent);
  text-decoration: none;
  transition: gap var(--apr-transition-fast), color var(--apr-transition-fast);
}

.apr-link-action:hover {
  color: var(--apr-accent-hover);
  gap: 0.55rem;
  text-decoration: none;
}

.apr-btn-sm {
  min-height: 36px;
  padding: 0.45rem 0.95rem;
  font-size: var(--apr-text-xs);
  border-radius: var(--apr-radius-sm);
}

.apr-btn-lg {
  min-height: 48px;
  padding: 0.85rem 1.85rem;
  font-size: var(--apr-text-base);
}

.apr-btn-block {
  display: flex;
  width: 100%;
}

/* ==========================================================================
   2. Cards & Differentiated Content Tiles
   ========================================================================== */
.apr-card {
  background-color: var(--apr-card-bg);
  border: 1px solid var(--apr-border);
  border-radius: var(--apr-radius-lg);
  padding: 1.75rem;
  transition: transform var(--apr-transition-fast), box-shadow var(--apr-transition-fast), border-color var(--apr-transition-fast);
  display: flex;
  flex-direction: column;
  position: relative;
}

.apr-card:hover {
  border-color: var(--apr-border-strong);
  box-shadow: var(--apr-shadow-md);
  transform: translateY(-2px);
}

.apr-card-header {
  margin-bottom: 0.75rem;
}

.apr-card-title {
  font-size: var(--apr-text-lg);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.apr-card-title a {
  color: var(--apr-text-main);
  text-decoration: none;
}

.apr-card-title a:hover {
  color: var(--apr-accent);
}

.apr-card-body {
  font-size: var(--apr-text-sm);
  color: var(--apr-text-body);
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 1.25rem;
}

.apr-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--apr-text-xs);
  color: var(--apr-text-muted);
}

/* A. Tool Cards (Visually Distinct: Functional & Operational) */
.apr-card-tool {
  background: #FFFFFF;
  border: 1px solid var(--apr-border);
  border-top: 3px solid var(--apr-accent);
}

.apr-card-tool:hover {
  border-top-color: var(--apr-accent-hover);
}

.apr-tool-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--apr-accent);
  background: #EFF6FF;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}

.apr-card-tool .apr-tool-icon-wrap {
  width: 40px;
  height: 40px;
  border-radius: var(--apr-radius-sm);
  background: var(--apr-bg-warm);
  border: 1px solid var(--apr-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--apr-primary);
  margin-bottom: 1rem;
}

/* B. Guide Cards (Editorial Hierarchy) */
.apr-card-guide {
  background: #FFFFFF;
  border: 1px solid var(--apr-border);
}

.apr-guide-tag {
  display: inline-flex;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--apr-accent-cyan);
  background: var(--apr-accent-cyan-bg);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}

/* Card Grid Layouts */
.apr-grid {
  display: grid;
  gap: 1.5rem;
}

.apr-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.apr-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.apr-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 992px) {
  .apr-grid-3, .apr-grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .apr-grid-2, .apr-grid-3, .apr-grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   3. Metrics & Financial Data Display
   ========================================================================== */
.apr-metric-tile {
  background: #FFFFFF;
  border: 1px solid var(--apr-border);
  border-radius: var(--apr-radius-lg);
  padding: 1.5rem;
  text-align: left;
}

.apr-metric-label {
  font-size: var(--apr-text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--apr-text-muted);
  margin-bottom: 0.4rem;
}

.apr-metric-value {
  font-size: var(--apr-text-3xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--apr-text-main);
  font-variant-numeric: tabular-nums;
}

.apr-metric-sub {
  font-size: var(--apr-text-xs);
  color: var(--apr-text-muted);
  line-height: 1.5;
  margin-top: 0.4rem;
}

/* ==========================================================================
   4. Form Controls & Numeric Inputs
   ========================================================================== */
.apr-form-group {
  margin-bottom: 1.25rem;
}

.apr-form-label {
  display: block;
  font-size: var(--apr-text-xs);
  font-weight: 700;
  color: var(--apr-text-main);
  margin-bottom: 0.4rem;
  letter-spacing: 0.01em;
}

.apr-form-help {
  display: block;
  font-size: 0.75rem;
  color: var(--apr-text-muted);
  margin-top: 0.3rem;
}

.apr-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.apr-input-prefix, .apr-input-suffix {
  position: absolute;
  font-size: var(--apr-text-sm);
  color: var(--apr-text-muted);
  font-weight: 600;
  pointer-events: none;
}

.apr-input-prefix {
  left: 0.85rem;
}

.apr-input-suffix {
  right: 0.85rem;
}

.apr-form-input, .apr-form-select, .apr-form-textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-size: var(--apr-text-sm);
  color: var(--apr-text-main);
  background-color: #FFFFFF;
  border: 1px solid var(--apr-border-strong);
  border-radius: var(--apr-radius-sm);
  transition: border-color var(--apr-transition-fast), box-shadow var(--apr-transition-fast);
}

.apr-input-wrap.has-prefix .apr-form-input {
  padding-left: 2rem;
}

.apr-input-wrap.has-suffix .apr-form-input {
  padding-right: 2.25rem;
}

.apr-form-input:focus, .apr-form-select:focus, .apr-form-textarea:focus {
  border-color: var(--apr-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
  outline: none;
}

/* ==========================================================================
   5. Tables & Responsive Grids
   ========================================================================== */
.apr-table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 1.5rem;
  border: 1px solid var(--apr-border);
  border-radius: var(--apr-radius-lg);
  background-color: #FFFFFF;
}

.apr-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: var(--apr-text-sm);
}

.apr-table th {
  background-color: var(--apr-bg-warm);
  color: var(--apr-text-main);
  font-weight: 700;
  padding: 0.85rem 1.15rem;
  border-bottom: 1.5px solid var(--apr-border);
  white-space: nowrap;
}

.apr-table td {
  padding: 0.85rem 1.15rem;
  border-bottom: 1px solid var(--apr-border);
  color: var(--apr-text-body);
}

.apr-table tr:last-child td {
  border-bottom: none;
}

.apr-table tr:hover td {
  background-color: #F8FAFC;
}

/* ==========================================================================
   6. Callout Boxes & Operational Disclosures
   ========================================================================== */
.apr-callout {
  border-radius: var(--apr-radius-md);
  padding: 1.35rem 1.6rem;
  margin: 2rem 0;
  border-left: 4px solid var(--apr-accent);
  background-color: #FFFFFF;
  border-top: 1px solid var(--apr-border);
  border-right: 1px solid var(--apr-border);
  border-bottom: 1px solid var(--apr-border);
}

.apr-callout-takeaway {
  border-left-color: var(--apr-accent-cyan);
  background-color: #F0FDFA;
  border-color: #CCFBF1;
}

.apr-callout-warning {
  border-left-color: var(--apr-warning);
  background-color: var(--apr-warning-bg);
  border-color: var(--apr-warning-border);
}

.apr-callout-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.apr-callout-title {
  font-size: var(--apr-text-base);
  font-weight: 700;
  margin: 0;
  color: var(--apr-text-main);
}

.apr-callout-list {
  margin: 0;
  padding-left: 1.25rem;
  font-size: var(--apr-text-sm);
}

.apr-callout-text {
  font-size: var(--apr-text-sm);
  margin-bottom: 0.5rem;
}

/* Source Box */
.apr-source-box {
  background-color: var(--apr-bg-warm);
  border: 1px solid var(--apr-border);
  border-radius: var(--apr-radius-md);
  padding: 1.1rem 1.35rem;
  margin: 1.75rem 0;
  font-size: var(--apr-text-xs);
}

.apr-source-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.35rem;
  font-weight: 700;
  color: var(--apr-text-muted);
}

.apr-source-details {
  margin: 0;
  color: var(--apr-text-body);
}

/* Affiliate Transparency Note */
.apr-disclosure-note {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background-color: var(--apr-bg-warm);
  border: 1px solid var(--apr-border);
  border-radius: var(--apr-radius-sm);
  padding: 0.85rem 1.15rem;
  margin: 1.5rem 0;
  font-size: var(--apr-text-xs);
  color: var(--apr-text-muted);
  line-height: 1.5;
}

.apr-disclosure-badge {
  background: var(--apr-primary);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.65rem;
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

/* Breadcrumbs */
.apr-breadcrumbs {
  margin-bottom: 1.5rem;
  font-size: var(--apr-text-xs);
}

.apr-breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0.5rem;
}

.apr-breadcrumb-item {
  display: inline-flex;
  align-items: center;
  color: var(--apr-text-muted);
}

.apr-breadcrumb-item:not(:last-child)::after {
  content: "/";
  margin-left: 0.5rem;
  color: var(--apr-border-strong);
}

.apr-breadcrumb-item a {
  color: var(--apr-text-muted);
  text-decoration: none;
}

.apr-breadcrumb-item a:hover {
  color: var(--apr-accent);
  text-decoration: underline;
}

.apr-breadcrumb-item.active {
  color: var(--apr-text-main);
  font-weight: 600;
}