/**
 * Calculator Page Styles
 * TDEEcal.net
 */

/* Override GP full-width layout for calculator pages */
.tc-page-tool .site-main,
.tc-page-home .site-main {
  padding: 0 !important;
}

.tc-page-tool .entry-content,
.tc-page-home .entry-content {
  max-width: 100% !important;
  padding: 0 !important;
  margin: 0 !important;
}

.tc-page-tool article,
.tc-page-home article {
  padding: 0 !important;
  margin: 0 !important;
}

/* Form row grids */
.tc-form-row {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.tc-form-row--2 { grid-template-columns: 1fr 1fr; }
.tc-form-row--3 { grid-template-columns: 1fr 1fr 1fr; }

@media (max-width: 640px) {
  .tc-form-row--2 { grid-template-columns: 1fr; }
  .tc-form-row--3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .tc-form-row--3 { grid-template-columns: 1fr; }
}

/* Advanced options toggle */
.tc-advanced-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-primary);
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.tc-advanced-toggle:hover { opacity: 0.8; }

.tc-advanced-options {
  display: none;
  padding-top: var(--space-4);
  border-top: 1px dashed var(--color-border);
  margin-top: var(--space-2);
}

.tc-advanced-options.is-open { display: block; }

/* Error message */
.tc-error {
  display: none;
  color: var(--color-warning);
  font-size: var(--text-xs);
  margin-top: var(--space-1);
}

/* Body fat help link */
.tc-help-link {
  font-size: var(--text-xs);
  color: var(--color-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-top: var(--space-1);
}

/* Form divider */
.tc-form-divider {
  border: none;
  border-top: 1px solid var(--color-border-light);
  margin: var(--space-5) 0;
}

/* Select arrow */
.tc-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235F6368' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* Breadcrumb */
.tc-breadcrumb {
  padding: var(--space-3) 0;
}

.tc-breadcrumb__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
}

.tc-breadcrumb__item {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.tc-breadcrumb__item a {
  color: var(--color-primary);
}

.tc-breadcrumb__sep {
  color: var(--color-border);
  font-size: var(--text-sm);
}

.tc-breadcrumb__item--current {
  font-weight: var(--font-medium);
  color: var(--color-text);
}

/* Page hero for sub-calculators */
.tc-page-hero {
  background: linear-gradient(160deg, var(--color-primary) 0%, #1B5E20 100%);
  padding: var(--space-12) 0 var(--space-10);
  color: var(--color-white);
}

.tc-page-hero h1 {
  color: var(--color-white);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--space-3);
}

.tc-page-hero p {
  color: rgba(255,255,255,0.85);
  font-size: var(--text-lg);
  max-width: 580px;
  margin-bottom: 0;
}