/**
 * SnugGym — Main Stylesheet
 * ==========================
 * Custom styles beyond Tailwind CSS.
 * Warm earth-tone palette per BRAND-BRIEF.md.
 * WCAG 2.2 AA compliant. Mobile-first responsive.
 *
 * Color Palette:
 *   --sg-primary:     #2D5A3D (forest green)
 *   --sg-primary-light: #4A7C5C
 *   --sg-secondary:   #8B7355 (warm brown)
 *   --sg-accent:      #D4A574 (golden tan)
 *   --sg-bg-warm:     #F5F0E8 (warm off-white)
 *   --sg-bg-alt:      #EAE3D5
 *   --sg-border:      #D9D0C1
 *   --sg-text:        #2C2C2C (near-black)
 *   --sg-text-secondary: #5C5C5C
 *   --sg-text-muted:  #8A8A8A
 */

/* =================================================================
   CSS Custom Properties
   ================================================================= */
:root {
  --sg-primary:        #2D5A3D;
  --sg-primary-light:  #4A7C5C;
  --sg-primary-dark:   #1F402A;
  --sg-secondary:      #8B7355;
  --sg-secondary-light:#A68F72;
  --sg-accent:         #D4A574;
  --sg-accent-light:   #E0BC94;
  --sg-bg-warm:        #F5F0E8;
  --sg-bg-alt:         #EAE3D5;
  --sg-bg:             #FAF7F2;
  --sg-border:         #D9D0C1;
  --sg-border-light:   #E8E2D6;
  --sg-text:           #2C2C2C;
  --sg-text-secondary: #5C5C5C;
  --sg-text-muted:     #8A8A8A;
  --sg-danger:         #C0392B;
  --sg-success:        #27AE60;
  --sg-warning:        #E67E22;

  /* Focus ring */
  --focus-ring-color:  #2D5A3D;
  --focus-ring-width:  2px;
  --focus-ring-offset: 2px;
}

/* =================================================================
   Base / Reset Tweaks
   ================================================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  tab-size: 4;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--sg-text);
  background-color: var(--sg-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =================================================================
   Focus States (Accessibility)
   ================================================================= */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
  border-radius: 0.25rem;
}

/* Skip link */
.sr-only:focus {
  z-index: 9999;
}

/* =================================================================
   Typography
   ================================================================= */
h1, h2, h3, h4, h5, h6 {
  color: var(--sg-text);
  font-weight: 700;
  line-height: 1.25;
  word-wrap: break-word;
}

h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.375rem, 3vw, 1.75rem); }
h3 { font-size: clamp(1.125rem, 2.5vw, 1.375rem); }
h4 { font-size: clamp(1rem, 2vw, 1.125rem); }

p {
  line-height: 1.7;
  color: var(--sg-text);
}

a {
  color: var(--sg-primary);
  text-decoration: none;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

a:active {
  color: var(--sg-primary-dark);
}

/* =================================================================
   Prose Content (.prose-content)
   ================================================================= */
.prose-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--sg-border);
}

.prose-content h3 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--sg-primary);
}

.prose-content h4 {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--sg-secondary);
}

.prose-content p {
  margin-bottom: 1rem;
}

.prose-content ul,
.prose-content ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.prose-content ul {
  list-style-type: disc;
}

.prose-content ol {
  list-style-type: decimal;
}

.prose-content li {
  margin-bottom: 0.375rem;
  line-height: 1.7;
}

.prose-content li > ul,
.prose-content li > ol {
  margin-top: 0.375rem;
  margin-bottom: 0.375rem;
}

.prose-content strong {
  font-weight: 600;
  color: var(--sg-text);
}

.prose-content em {
  font-style: italic;
}

.prose-content code {
  font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
  font-size: 0.875em;
  background-color: var(--sg-bg-warm);
  padding: 0.125em 0.375em;
  border-radius: 0.25rem;
}

.prose-content pre {
  background-color: var(--sg-bg-warm);
  padding: 1rem;
  border-radius: 0.5rem;
  overflow-x: auto;
  margin-bottom: 1rem;
}

.prose-content pre code {
  background: none;
  padding: 0;
}

.prose-content blockquote {
  border-left: 4px solid var(--sg-accent);
  padding-left: 1rem;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
  background-color: var(--sg-bg-warm);
  border-radius: 0 0.5rem 0.5rem 0;
  padding-right: 1rem;
  font-style: italic;
  color: var(--sg-text-secondary);
}

.prose-content hr {
  margin: 2rem 0;
  border: none;
  border-top: 1px solid var(--sg-border);
}

.prose-content img {
  max-width: 100%;
  height: auto;
  border-radius: 0.5rem;
}

.prose-content figure {
  margin: 1.5rem 0;
}

.prose-content figcaption {
  font-size: 0.875rem;
  color: var(--sg-text-muted);
  text-align: center;
  margin-top: 0.5rem;
}

.prose-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
  font-size: 0.9375rem;
}

.prose-content th,
.prose-content td {
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--sg-border);
  text-align: left;
}

.prose-content th {
  background-color: var(--sg-primary);
  color: #fff;
  font-weight: 600;
}

.prose-content tbody tr:nth-child(even) {
  background-color: var(--sg-bg-warm);
}

.prose-content tbody tr:hover {
  background-color: var(--sg-bg-alt);
}

/* Trust pages use a slightly tighter prose */
.prose-trust.prose-content h2 {
  margin-top: 2rem;
  font-size: 1.25rem;
}

.prose-trust.prose-content p {
  line-height: 1.65;
}

/* =================================================================
   Tables (Comparison & Specs)
   ================================================================= */
.comparison-table-wrapper {
  border-radius: 0.75rem;
  border: 1px solid var(--sg-border);
  background: #fff;
}

.comparison-table th,
.comparison-table td {
  vertical-align: middle;
}

.comparison-table tbody tr:nth-child(even) {
  background-color: var(--sg-bg-warm);
}

.comparison-table tbody tr:hover {
  background-color: var(--sg-bg-alt);
  transition: background-color 0.15s ease;
}

/* Highlight winner cells */
.comparison-table td.bg-green-50 {
  background-color: #ECFDF5;
  font-weight: 600;
}

/* Highlight differences mode */
.comparison-table.highlight-diff .comparison-cell {
  transition: background-color 0.2s ease;
}

.comparison-table.highlight-diff .comparison-cell.different {
  background-color: #FEF3C7;
  font-weight: 600;
}

/* =================================================================
   Product Cards
   ================================================================= */
.product-card {
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.product-card:hover {
  transform: translateY(-2px);
  border-color: var(--sg-primary-light);
}

.product-card img {
  transition: transform 0.5s ease;
}

.product-card:hover img {
  transform: scale(1.04);
}

/* Score badge */
.score-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* =================================================================
   TOC (Table of Contents)
   ================================================================= */
.toc-container {
  transition: opacity 0.2s ease;
}

.toc-container a.active {
  color: var(--sg-primary);
  background-color: var(--sg-bg-warm);
  border-left-color: var(--sg-primary) !important;
  font-weight: 500;
}

/* =================================================================
   Evidence Label
   ================================================================= */
.evidence-label {
  animation: fadeInDown 0.4s ease;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =================================================================
   Problem Cards (Troubleshooting)
   ================================================================= */
details.problem-card > summary {
  list-style: none;
}

details.problem-card > summary::-webkit-details-marker {
  display: none;
}

details.problem-card[open] > summary {
  background-color: var(--sg-bg-warm);
  border-bottom: 1px solid var(--sg-border);
}

details.problem-card[open] > summary svg[aria-hidden] {
  transform: rotate(180deg);
}

/* =================================================================
   Affiliate CTA
   ================================================================= */
.affiliate-cta a[href*="amazon"] {
  /* Amazon orange per brand guidelines */
  background-color: #FF9900;
  color: #232F3E;
}

.affiliate-cta a[href*="amazon"]:hover {
  background-color: #E68A00;
}

/* =================================================================
   Forms
   ================================================================= */
input[type="text"],
input[type="email"],
input[type="number"],
input[type="search"],
input[type="tel"],
input[type="url"],
textarea,
select {
  font-family: inherit;
  font-size: 1rem;
  color: var(--sg-text);
  background-color: #fff;
  border: 1px solid var(--sg-border);
  border-radius: 0.5rem;
  padding: 0.625rem 0.875rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  width: 100%;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--sg-primary);
  box-shadow: 0 0 0 3px rgba(45, 90, 61, 0.1);
  outline: none;
}

input::placeholder {
  color: var(--sg-text-muted);
}

/* =================================================================
   Buttons
   ================================================================= */
button {
  cursor: pointer;
  font-family: inherit;
  transition: background-color 0.15s ease, transform 0.1s ease;
}

button:active {
  transform: scale(0.98);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* =================================================================
   Tool pages
   ================================================================= */
.room-type-btn.active,
.priority-btn.active {
  background-color: var(--sg-primary);
  color: #fff;
  border-color: var(--sg-primary);
}

.room-type-btn:not(.active):hover,
.priority-btn:not(.active):hover {
  background-color: var(--sg-bg-warm);
}

input[type="range"] {
  accent-color: var(--sg-primary);
}

/* =================================================================
   Scrollbar styling
   ================================================================= */
@supports (scrollbar-width: thin) {
  .comparison-table-wrapper,
  .overflow-x-auto {
    scrollbar-width: thin;
    scrollbar-color: var(--sg-border) transparent;
  }
}

.comparison-table-wrapper::-webkit-scrollbar,
.overflow-x-auto::-webkit-scrollbar {
  height: 8px;
}

.comparison-table-wrapper::-webkit-scrollbar-track,
.overflow-x-auto::-webkit-scrollbar-track {
  background: transparent;
}

.comparison-table-wrapper::-webkit-scrollbar-thumb,
.overflow-x-auto::-webkit-scrollbar-thumb {
  background-color: var(--sg-border);
  border-radius: 4px;
}

.comparison-table-wrapper::-webkit-scrollbar-thumb:hover,
.overflow-x-auto::-webkit-scrollbar-thumb:hover {
  background-color: var(--sg-text-muted);
}

/* =================================================================
   Line clamp utility
   ================================================================= */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* =================================================================
   Responsive Breakpoints
   ================================================================= */

/* Small phones (320px+) */
@media (min-width: 320px) {
  html {
    font-size: 15px;
  }
}

/* Tablets (640px+) */
@media (min-width: 640px) {
  html {
    font-size: 16px;
  }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
  html {
    font-size: 16px;
  }
}

/* Large desktop (1280px+) */
@media (min-width: 1280px) {
  .max-w-\[1200px\] {
    max-width: 1200px;
  }
}

/* =================================================================
   Reduced Motion Support
   ================================================================= */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .product-card:hover {
    transform: none;
  }

  .product-card:hover img {
    transform: none;
  }
}

/* =================================================================
   Print Styles
   ================================================================= */
@media print {
  /* Hide navigation, footer, CTAs, disclosures */
  header[role="banner"],
  footer[role="contentinfo"],
  .affiliate-cta,
  .evidence-label,
  .disclosure-bar,
  .newsletter-section,
  .toc-container,
  #mobile-menu-toggle {
    display: none !important;
  }

  /* Reset colors for printing */
  body {
    background: #fff !important;
    color: #000 !important;
    font-size: 12pt;
    line-height: 1.5;
  }

  /* Ensure links show their URLs */
  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 10pt;
    color: #555;
    word-break: break-all;
  }

  /* Page breaks */
  h1, h2, h3 {
    page-break-after: avoid;
  }

  img {
    max-width: 100% !important;
    page-break-inside: avoid;
  }

  table {
    page-break-inside: avoid;
  }

  /* Ensure main content is full width */
  main {
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  /* Remove shadows and borders that waste ink */
  .product-card,
  .bg-white,
  .rounded-xl {
    box-shadow: none !important;
    border: 1px solid #ddd !important;
  }

  /* Force backgrounds to print */
  .bg-white,
  .bg-\[var\(--sg-bg-warm\)\],
  .bg-green-50,
  .bg-red-50,
  .bg-blue-50 {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}

/* =================================================================
   High Contrast Mode Support
   ================================================================= */
@media (prefers-contrast: high) {
  :root {
    --sg-text: #000000;
    --sg-text-secondary: #333333;
    --sg-border: #666666;
  }

  .product-card,
  .bg-white {
    border-width: 2px !important;
  }

  a:focus-visible,
  button:focus-visible {
    outline-width: 3px;
  }
}

/* =================================================================
   Dark mode (system preference — subtle adjustments only)
   ================================================================= */
@media (prefers-color-scheme: dark) {
  /* Keeping light theme as designed per brand, but reducing eye strain */
  :root {
    --sg-bg: #FAF7F2;
    --sg-bg-warm: #F0EBE1;
  }
}

/* =================================================================
   Utility: visually hidden but accessible
   ================================================================= */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}