/* Designed for older readers: large type by default, high contrast,
   generous spacing, big tap targets. Font-size and contrast are further
   adjustable at runtime via the reading-tools bar (see app.js). */

:root {
  --font-base: 20px;
  --color-bg: #fdfcf9;
  --color-text: #1a1a1a;
  --color-navy: #123a63;
  --color-navy-dark: #0b2540;
  --color-accent: #c25a00;
  --color-accent-dark: #8f4200;
  --color-card-bg: #ffffff;
  --color-border: #d8d2c4;
  --color-quiz-correct: #1e6b32;
  --color-quiz-wrong: #a51c1c;
  --focus-ring: 3px solid #0b63c5;
  --shadow-card: 0 2px 6px rgba(18, 58, 99, 0.08), 0 1px 2px rgba(18, 58, 99, 0.06);
  --shadow-card-hover: 0 6px 16px rgba(18, 58, 99, 0.14), 0 2px 4px rgba(18, 58, 99, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  font-size: var(--font-base);
}

body {
  margin: 0;
  font-family: "Segoe UI", Verdana, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
}

html.font-large { --font-base: 24px; }
html.font-xlarge { --font-base: 28px; }

body.contrast-high {
  --color-bg: #000000;
  --color-text: #ffffff;
  --color-navy: #000000;
  --color-navy-dark: #000000;
  --color-accent: #ffd400;
  --color-accent-dark: #ffd400;
  --color-card-bg: #000000;
  --color-border: #ffffff;
}
body.contrast-high .brief-card,
body.contrast-high .quiz {
  border: 2px solid var(--color-border);
}
body.contrast-high a {
  color: #7fd0ff;
}
body.contrast-high .btn {
  border: 2px solid #ffffff;
}

.wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

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

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: #fff;
  color: #000;
  padding: 1rem;
  z-index: 100;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

*:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 2px;
}

/* Header */
.site-header {
  background: linear-gradient(180deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  color: #fff;
  padding: 1.5rem 0;
  border-bottom: 4px solid var(--color-accent);
}
.site-header .logo {
  color: #fff;
  font-size: 1.7rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.01em;
}
.site-header .tagline {
  margin: 0.35rem 0 1.1rem;
  color: #dce7f2;
  font-size: 1.05rem;
}
.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
}
.main-nav a {
  color: #fff;
  text-decoration: none;
  font-size: 1.1rem;
  display: inline-block;
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover,
.main-nav a:focus-visible {
  border-bottom-color: var(--color-accent);
}

/* Accessibility toolbar */
.a11y-bar {
  background: #eef2ea;
  border-bottom: 1px solid var(--color-border);
}
.a11y-bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
}
.a11y-label {
  font-weight: 600;
  margin-right: 0.25rem;
}
.a11y-bar button {
  font-size: 1rem;
  padding: 0.5rem 0.9rem;
  min-height: 44px;
  border-radius: 8px;
  border: 2px solid var(--color-navy);
  background: #fff;
  color: var(--color-navy);
  cursor: pointer;
}
.a11y-bar button[aria-pressed="true"] {
  background: var(--color-navy);
  color: #fff;
}
.a11y-bar button:hover {
  background: var(--color-navy);
  color: #fff;
}

main {
  padding: 2rem 1.25rem 3rem;
}

.page-title {
  font-size: 2rem;
  margin-top: 0;
}

.page-eyebrow {
  color: var(--color-accent-dark);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 0.5rem;
}

/* Brief article */
.brief-date {
  color: var(--color-accent-dark);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.25rem;
}
.brief-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: none;
  letter-spacing: normal;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  margin-left: 0.5rem;
  vertical-align: middle;
}
.brief-badge-incident {
  background: #fbe3e3;
  color: var(--color-quiz-wrong);
}
.brief-badge-tip {
  background: #e2f4e6;
  color: var(--color-quiz-correct);
}
body.contrast-high .brief-badge-incident,
body.contrast-high .brief-badge-tip {
  background: transparent;
  border: 2px solid currentColor;
}

.brief h1 {
  font-size: 2rem;
  margin-top: 0;
}
.brief-summary {
  font-size: 1.2rem;
  font-weight: 600;
}
.brief-infographic {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  display: block;
  margin: 1rem 0;
}
.brief-video {
  max-width: 100%;
  max-height: 70vh;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  display: block;
  margin: 1rem 0;
  background: #000;
}
.brief-audio {
  width: 100%;
  margin: 1rem 0;
}
.brief h2 {
  font-size: 1.4rem;
  margin-top: 2rem;
  color: var(--color-navy);
}
.protect-list li {
  margin-bottom: 0.6rem;
  font-size: 1.05rem;
}
.brief-source {
  color: #555;
  font-size: 0.95rem;
}

/* Buttons */
.brief-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.25rem 0;
}
.btn {
  font-size: 1.05rem;
  padding: 0.7rem 1.2rem;
  min-height: 44px;
  border-radius: 8px;
  border: 2px solid var(--color-accent);
  background: var(--color-accent);
  color: #fff;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.btn:hover,
.btn:focus-visible {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}

/* Cards */
.brief-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}
.brief-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.1rem;
  text-decoration: none;
  color: var(--color-text);
  display: block;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.15s ease, transform 0.15s ease, border-color 0.15s ease;
}
.brief-card:hover,
.brief-card:focus-visible {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}
.brief-card h3 {
  margin: 0.25rem 0;
  color: var(--color-navy);
}
.brief-card-date {
  font-size: 0.85rem;
  color: var(--color-accent-dark);
  font-weight: 700;
  margin: 0;
}
.previous-briefs {
  margin-top: 2.5rem;
}

/* Tips & Tricks page */
.tips-category {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
}
.tips-category h2 {
  margin-top: 0;
  color: var(--color-navy);
}

/* Quiz */
.quiz {
  margin-top: 2rem;
  padding: 1.25rem;
  background: #eef2ea;
  border-radius: 12px;
  border-top: 3px solid var(--color-accent);
  box-shadow: var(--shadow-card);
}
.quiz h2 {
  margin-top: 0;
}
.quiz-option {
  display: block;
  width: 100%;
  text-align: left;
  font-size: 1.05rem;
  padding: 0.85rem 1rem;
  margin-bottom: 0.6rem;
  border-radius: 8px;
  border: 2px solid var(--color-navy);
  background: #fff;
  cursor: pointer;
  min-height: 44px;
  transition: background 0.15s ease, transform 0.1s ease;
}
.quiz-option:active:not(:disabled) {
  transform: scale(0.99);
}
.quiz-option:hover:not(:disabled) {
  background: #dce7f2;
}
.quiz-option.correct {
  border-color: var(--color-quiz-correct);
  background: #e2f4e6;
}
.quiz-option.incorrect {
  border-color: var(--color-quiz-wrong);
  background: #fbe3e3;
}
.quiz-option:disabled {
  cursor: default;
  opacity: 0.85;
}
.quiz-feedback {
  margin-top: 1rem;
  font-size: 1.05rem;
  font-weight: 600;
}
.quiz-explanation {
  font-weight: 400;
}

/* Footer */
.site-footer {
  background: var(--color-navy-dark);
  color: #fff;
  padding: 2rem 0;
  margin-top: 3rem;
}
.site-footer a {
  color: #fff;
}
.site-footer .hotline {
  font-size: 1.15rem;
}
.footer-note {
  color: #cbd6e2;
}
.footer-copy {
  color: #9fb0c0;
  font-size: 0.85rem;
}

/* Mobile */
@media (max-width: 640px) {
  :root {
    --font-base: 19px;
  }
  .wrap {
    padding: 0 1rem;
  }
  .site-header {
    padding: 1.1rem 0;
  }
  .site-header .logo {
    font-size: 1.4rem;
  }
  .site-header .tagline {
    font-size: 0.95rem;
  }
  .main-nav {
    gap: 0.3rem 1rem;
  }
  .main-nav a {
    font-size: 1rem;
  }
  .a11y-bar-inner {
    padding: 0.6rem 1rem;
  }
  .a11y-label {
    width: 100%;
    margin-bottom: 0.2rem;
  }
  main {
    padding: 1.5rem 1rem 2.5rem;
  }
  .page-title,
  .brief h1 {
    font-size: 1.5rem;
  }
  .brief-summary {
    font-size: 1.1rem;
  }
  .brief-actions {
    flex-direction: column;
  }
  .brief-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .brief-cards {
    grid-template-columns: 1fr;
  }
  .quiz-option {
    font-size: 1rem;
  }
}

/* Print */
@media print {
  .a11y-bar,
  .main-nav,
  .brief-actions,
  .site-footer,
  .previous-briefs,
  .back-link {
    display: none !important;
  }
  body {
    background: #fff;
    color: #000;
  }
  .site-header {
    background: #fff;
    color: #000;
    padding: 0.5rem 0;
  }
  .site-header .tagline {
    color: #333;
  }
}