:root {
  --bg: #F7F5EF;
  --fg: #1A1A1A;
  --accent: #2E5C2C;
  --accent-dark: #234621;
  --muted: #FFFFFF;
  --highlight: #C49A3A;
  --focus: #FFBF47;
  --border: #D0D0D0;

  --font-size-base: 16px;
  --font-size-large: 18px;

  --toolbar-bg: #FFFFFF;
  --toolbar-border: #D0D0D0;
  --toolbar-color: #1A1A1A;
}

/* Modes */
body.mode-dark {
  --bg: #111111;
  --fg: #F5F5F5;
  --muted: #1E1E1E;
  --border: #444444;
  --toolbar-bg: #234621;
  --toolbar-border: #CDE5CD;
  --toolbar-color: #FFFFFF;
}

body.mode-high-contrast {
  --bg: #000000;
  --fg: #FFFFFF;
  --muted: #000000;
  --border: #FFFFFF;
  --accent: #FFFF00;
  --accent-dark: #FFD500;
  --toolbar-bg: #FFFF00;
  --toolbar-border: #000000;
  --toolbar-color: #000000;
}

body.mode-large-text {
  --font-size-base: 18px;
  --font-size-large: 20px;
}

/* Global */
* {
  box-sizing: border-box;
}

html {
  font-size: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  font-size: var(--font-size-base);
}

a {
  color: var(--accent);
}

a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: #000;
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

/* Header */
header {
  background: var(--accent);
  color: #FFFFFF;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-title {
  margin: 0;
  font-size: 1.6rem;
  line-height: 1.2;
  color: #2E5C2C;
  background: #FFFFFF;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  display: inline-block;
}

#site-tagline {
  margin: 0.25rem 0 0;
  font-size: 0.95rem;
  color: #E6F0E6;
}

/* Accessibility toolbar */
.accessibility-toolbar {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  background: var(--toolbar-bg);
  border: 1px solid var(--toolbar-border);
  color: var(--toolbar-color);
}

.accessibility-toolbar button {
  background: transparent;
  border: none;
  padding: 0.25rem 0.4rem;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  color: inherit;
}

.accessibility-toolbar button:hover {
  opacity: 0.8;
}

.accessibility-toolbar button[aria-pressed="true"] {
  font-weight: 700;
}

/* Nav */
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

nav a {
  color: #FFFFFF;
  text-decoration: none;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  font-size: 0.95rem;
}

nav a:hover,
nav a:focus {
  background: var(--accent-dark);
}

/* Main layout */
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

section {
  margin-bottom: 2.5rem;
  padding: 1.5rem;
  background: var(--muted);
  border-radius: 6px;
  border: 1px solid var(--border);
}

section h2 {
  margin-top: 0;
  font-size: 1.4rem;
}

/* Grid helpers */
.two-column {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.5fr);
  gap: 1.5rem;
}

.card-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--bg);
  border-radius: 6px;
  padding: 1rem;
  border: 1px solid var(--border);
}

.card h3 {
  margin-top: 0;
  font-size: 1.1rem;
}

/* Lists */
.updates-list,
.resources-list,
.events-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.updates-list li,
.resources-list li,
.events-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.updates-list li:last-child,
.resources-list li:last-child,
.events-list li:last-child {
  border-bottom: none;
}

.badge {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  background: var(--highlight);
  color: #000000;
  font-size: 0.75rem;
  margin-left: 0.5rem;
}

/* Calendar */
.calendar-grid {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.calendar-grid th,
.calendar-grid td {
  border: 1px solid var(--border);
  padding: 0.4rem;
  text-align: center;
  font-size: 0.85rem;
}

.calendar-grid th {
  background: #E6E6E6;
}

/* Forms */
form {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

label {
  font-weight: 600;
}

input[type="text"],
input[type="email"],
input[type="date"],
textarea,
select {
  width: 100%;
  padding: 0.75rem;
  border-radius: 4px;
  border: 1px solid #999999;
  font: inherit;
  background: #FFFFFF;
  color: #000000;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

button {
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  border: none;
  background: var(--accent);
  color: #FFFFFF;
  font-weight: 600;
  cursor: pointer;
  align-self: flex-start;
  font-size: 0.95rem;
}

button:hover {
  background: var(--accent-dark);
}

.helper-text {
  font-size: 0.85rem;
  color: #444444;
}

.error-text {
  font-size: 0.85rem;
  color: #B00020;
}

/* Return button */
.return-btn {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.6rem 1.2rem;
  background: var(--accent);
  color: #FFFFFF;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
}

.return-btn:hover,
.return-btn:focus {
  background: var(--accent-dark);
}

/* Footer */
footer {
  background: #111111;
  color: #FFFFFF;
  padding: 1rem 1.5rem;
  margin-top: 2rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  font-size: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
}

/* Mobile */
@media (max-width: 768px) {
  .header-inner {
    padding: 1rem;
  }

  .header-top {
    flex-direction: column;
    align-items: flex-start;
  }

  nav {
    width: 100%;
    gap: 0.4rem;
  }

  nav a {
    font-size: 0.95rem;
    padding: 0.5rem 0.8rem;
  }

  main {
    padding: 1rem;
  }

  section {
    padding: 1rem;
  }

  .two-column {
    grid-template-columns: 1fr;
  }

  .card-list {
    grid-template-columns: 1fr;
  }

  button,
  .return-btn {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 600px) {
  body {
    line-height: 1.7;
  }

  .site-title {
    font-size: 1.4rem;
  }
}