:root {
  --color-primary: #1E3A8A;
  --color-secondary: #0F766E;
  --color-accent: #F97316;
  --color-bg: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-text: #0B1220;
  --color-muted: #475569;
  --color-border: #CBD5E1;
  --radius: 14px;
  --space: 1rem;
  --maxw: 72rem;
  --shadow: 0 10px 30px rgba(11,18,32,0.08);
}

* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  margin: 0;
  padding: 0;
  font-size: 1rem;
}

@media (min-width: 768px) {
  body {
    font-size: 1.125rem;
  }
}

body {
  display: grid;
  grid-template-areas: 
    "header"
    "breadcrumb"
    "main"
    "footer";
  grid-template-rows: auto auto 1fr auto;
  min-height: 100vh;
  gap: var(--space);
  padding: var(--space);
}

@media (min-width: 1024px) {
  body {
    grid-template-areas: 
      "header header"
      "breadcrumb breadcrumb"
      "main aside"
      "footer footer";
    grid-template-columns: 1fr 300px;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: calc(var(--space) * 2);
  }
}

header {
  grid-area: header;
  background-color: var(--color-surface);
  padding: calc(var(--space) * 1.5);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: var(--space);
}

@media (min-width: 768px) {
  header {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

header h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
  text-align: left;
}

@media (min-width: 768px) {
  header h1 {
    font-size: 2rem;
  }
}

header p {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
}

header nav {
  display: flex;
  gap: calc(var(--space) * 1.5);
  flex-wrap: wrap;
}

header nav a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  padding: calc(var(--space) * 0.5) var(--space);
  border-radius: calc(var(--radius) * 0.5);
  transition: all 0.2s ease;
}

header nav a:hover {
  background-color: var(--color-bg);
  color: var(--color-primary);
}

header nav a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

nav[aria-label="Breadcrumb"] {
  grid-area: breadcrumb;
  padding: var(--space);
  color: var(--color-muted);
  font-size: 0.875rem;
}

nav[aria-label="Breadcrumb"] a {
  color: var(--color-secondary);
  text-decoration: none;
}

nav[aria-label="Breadcrumb"] a:hover {
  text-decoration: underline;
}

main {
  grid-area: main;
  background-color: var(--color-surface);
  padding: calc(var(--space) * 2);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

aside {
  grid-area: aside;
  background-color: var(--color-surface);
  padding: calc(var(--space) * 1.5);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  align-self: start;
}

@media (max-width: 1023px) {
  aside {
    grid-area: main;
    margin-top: var(--space);
  }
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-top: 0;
  margin-bottom: var(--space);
  text-align: left;
}

h1 {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: calc(var(--space) * 1.5);
}

@media (min-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
}

h2 {
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-top: calc(var(--space) * 2);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: calc(var(--space) * 0.5);
}

h3 {
  font-size: 1.25rem;
  color: var(--color-secondary);
  margin-top: calc(var(--space) * 1.5);
}

p {
  margin-bottom: var(--space);
  max-width: 65ch;
}

a {
  color: var(--color-secondary);
  text-decoration: underline;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-primary);
}

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

a[rel="noopener"] {
  color: var(--color-accent);
}

a[rel="noopener"]:hover {
  color: var(--color-primary);
}

section {
  margin-bottom: calc(var(--space) * 2);
}

section:last-child {
  margin-bottom: 0;
}

blockquote {
  margin: calc(var(--space) * 1.5) 0;
  padding: calc(var(--space) * 1.5);
  background-color: rgba(15, 118, 110, 0.05);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--color-text);
}

blockquote p {
  margin: 0;
  font-weight: 500;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: calc(var(--space) * 1.5) 0;
  background-color: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

@media (max-width: 767px) {
  .table-wrapper {
    overflow-x: auto;
    margin: calc(var(--space) * 1.5) -1rem;
  }
  
  .table-wrapper table {
    margin: 0;
    min-width: 600px;
  }
}

table caption {
  font-weight: 600;
  color: var(--color-primary);
  text-align: left;
  padding: var(--space);
  background-color: var(--color-bg);
  font-size: 1.125rem;
}

th, td {
  padding: var(--space);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

th {
  background-color: var(--color-primary);
  color: var(--color-surface);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (min-width: 1024px) {
  th {
    position: sticky;
    top: 0;
    z-index: 10;
  }
}

tbody tr:nth-child(even) {
  background-color: rgba(248, 250, 252, 0.5);
}

tbody tr:hover {
  background-color: rgba(15, 118, 110, 0.05);
  transition: background-color 0.2s ease;
}

td {
  font-size: 0.9rem;
  vertical-align: top;
}

details {
  margin-bottom: var(--space);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

details summary {
  padding: calc(var(--space) * 1.25);
  background-color: var(--color-bg);
  cursor: pointer;
  font-weight: 600;
  color: var(--color-primary);
  transition: background-color 0.2s ease;
  list-style: none;
  position: relative;
}

details summary::-webkit-details-marker {
  display: none;
}

details summary::after {
  content: '+';
  position: absolute;
  right: calc(var(--space) * 1.25);
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  color: var(--color-accent);
  transition: transform 0.2s ease;
}

details[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

details summary:hover {
  background-color: rgba(15, 118, 110, 0.05);
}

details summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

details[open] summary {
  background-color: var(--color-secondary);
  color: var(--color-surface);
}

details[open] summary::after {
  color: var(--color-surface);
}

details div,
details p {
  padding: 0 calc(var(--space) * 1.25) calc(var(--space) * 1.25);
}

details p:first-of-type {
  padding-top: var(--space);
}

.wellness-audit {
  background-color: rgba(249, 115, 22, 0.05);
  border: 1px solid rgba(249, 115, 22, 0.2);
  border-radius: var(--radius);
  padding: calc(var(--space) * 1.5);
  margin: calc(var(--space) * 1.5) 0;
}

.wellness-audit p {
  margin: 0;
  padding: 0;
}

footer {
  grid-area: footer;
  text-align: center;
  padding: calc(var(--space) * 1.5);
  color: var(--color-muted);
  font-size: 0.875rem;
  border-top: 1px solid var(--color-border);
  margin-top: calc(var(--space) * 2);
}

footer p {
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto !important;
  }
}

@media (max-width: 767px) {
  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
  
  table thead,
  table tbody,
  table th,
  table td,
  table tr {
    display: block;
  }
  
  table thead tr {
    position: absolute;
    top: -9999px;
    left: -9999px;
  }
  
  table tr {
    border: 1px solid var(--color-border);
    margin-bottom: var(--space);
    border-radius: var(--radius);
    padding: var(--space);
    background-color: var(--color-surface);
  }
  
  table td {
    border: none;
    position: relative;
    padding-left: 30%;
    padding-top: calc(var(--space) * 0.5);
    padding-bottom: calc(var(--space) * 0.5);
    white-space: normal;
  }
  
  table td:before {
    content: attr(data-label) ": ";
    position: absolute;
    left: 6px;
    width: 25%;
    padding-right: 10px;
    white-space: nowrap;
    font-weight: 600;
    color: var(--color-primary);
    font-size: 0.8rem;
  }
}

@media (min-width: 768px) {
  table td[data-label]:before {
    display: none;
  }
}