@import url('https://fonts.googleapis.com/css2?family=Raleway:wght@400;500;600;700&family=Playfair+Display:wght@700;800&display=swap');

:root {
  --barnes-black: #000000;
  --barnes-black-hover: #262626;
  --barnes-white: #ffffff;

  /* Main brand color */
  --barnes-beige: #ede4d3;
  --barnes-beige-deep: #e3d6be;
  --barnes-beige-border: #d9cbae;

  /* Secondary brand color — BARNES red, used only for text/links/accents,
     never as a large background fill (per brand guide: red must not be
     used as a colored background) */
  --barnes-red: #c70a33;
  --barnes-red-hover: #a0002a;
  --barnes-red-soft: #fbeaea;

  /* Semantic-only: quiz right/wrong feedback (reuses brand red for "wrong") */
  --ok: #2e7d32;
  --bad: var(--barnes-red);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Raleway', Arial, sans-serif;
  background: var(--barnes-beige);
  color: var(--barnes-black);
  min-height: 100vh;
}

.logo-block { display: flex; flex-direction: column; line-height: 1; }
.wordmark {
  font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
  font-weight: 800;
  letter-spacing: 3px;
  font-size: 26px;
  color: var(--barnes-black);
}
.wordmark-sub {
  font-family: 'Raleway', Arial, sans-serif;
  font-size: 10px;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--barnes-black);
  margin-top: 4px;
}

header.brand-header {
  background: var(--barnes-beige);
  border-bottom: 1px solid var(--barnes-beige-border);
  padding: 22px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
header.brand-header .tagline {
  color: var(--barnes-red);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
}
header.brand-header .header-link {
  color: var(--barnes-black);
  font-size: 12px;
  letter-spacing: 1px;
  text-decoration: none;
  border-bottom: 1px solid var(--barnes-black);
}

main {
  max-width: 1750px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

main.main-wide {
  max-width: 98vw;
}

.card {
  background: var(--barnes-white);
  border: 1px solid var(--barnes-beige-border);
  padding: 36px 40px;
}

h1 {
  font-weight: 600;
  font-size: 30px;
  letter-spacing: 1%;
  margin: 0 0 6px 0;
}
h2 {
  font-weight: 600;
  font-size: 22px;
  margin: 0 0 18px 0;
}
p.lede { color: #444; margin-top: 0; }

.btn {
  display: inline-block;
  height: 50px;
  line-height: 50px;
  padding: 0 24px;
  font-family: 'Raleway', Arial, sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 20%;
  text-align: center;
  text-decoration: none;
  border: none;
  cursor: pointer;
  border-radius: 2px;
}
/* primary button — black, per brand guide (black for buttons, not main color) */
.btn-red {
  background: var(--barnes-black);
  color: var(--barnes-white);
}
.btn-red:hover { background: var(--barnes-black-hover); }
/* secondary button — beige */
.btn-grege {
  background: var(--barnes-beige-deep);
  color: var(--barnes-black);
}
.btn-grege:hover { background: var(--barnes-beige-border); }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

form .field { margin-bottom: 18px; }
label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 6px; }
input[type=text], input[type=email], input[type=password], input[type=number],
textarea, select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--barnes-beige-border);
  background: var(--barnes-white);
  font-family: 'Raleway', Arial, sans-serif;
  font-size: 15px;
}
textarea { resize: vertical; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--barnes-red); }
a { color: var(--barnes-red); }
a:hover { color: var(--barnes-red-hover); }

.flash {
  background: var(--barnes-red-soft);
  border: 1px solid var(--barnes-red);
  color: var(--barnes-red);
  padding: 12px 16px;
  margin-bottom: 20px;
  font-size: 14px;
}

.chapter-list { list-style: none; padding: 0; margin: 0; }
.chapter-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  border-bottom: 1px solid var(--barnes-beige-border);
}
.chapter-list li:last-child { border-bottom: none; }
.chapter-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  border: 1px solid var(--barnes-black);
  border-radius: 50%;
  font-size: 13px;
  margin-right: 14px;
}
.chapter-title { font-weight: 600; }
.chapter-status { font-size: 13px; color: #666; }
.chapter-status.done { color: var(--ok); }

.phase-block summary {
  cursor: pointer;
}
.phase-block summary::-webkit-details-marker { display: none; }
.phase-block summary::before {
  content: "▸";
  display: inline-block;
  margin-right: 10px;
  color: var(--barnes-red);
  transition: transform 0.15s ease;
}
.phase-block[open] summary::before {
  transform: rotate(90deg);
}
.phase-block summary h2 {
  display: inline-block;
}

.slide-block {
  padding: 4px 0 22px;
  min-height: 220px;
}
.slide-title { font-weight: 600; font-size: 18px; margin-bottom: 8px; }
.slide-block ul { margin: 0; padding-left: 20px; }
.slide-block li { margin-bottom: 6px; line-height: 1.5; }
.slide-block img { max-width: 100%; margin-top: 12px; display: block; }

.slide-render {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
}
.slide-render img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--barnes-beige-border);
}

.slide-counter {
  font-size: 12px;
  color: #666;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.slide-progress {
  height: 4px;
  background: var(--barnes-beige-deep);
  margin-bottom: 26px;
}
.slide-progress-bar {
  height: 100%;
  background: var(--barnes-black);
}

.slide-nav-row {
  display: flex;
  align-items: stretch;
  gap: 14px;
}
.slide-content { flex: 1 1 auto; min-width: 0; }
.slide-arrow {
  flex: 0 0 auto;
  width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  line-height: 1;
  color: var(--barnes-black);
  text-decoration: none;
  border: 1px solid var(--barnes-beige-border);
  background: var(--barnes-beige);
  user-select: none;
}
.slide-arrow:hover { background: var(--barnes-beige-deep); }
.slide-arrow.disabled { opacity: 0.25; pointer-events: none; }

.progress-pill {
  display: inline-block;
  background: var(--barnes-red-soft);
  color: var(--barnes-red);
  padding: 4px 12px;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.quiz-question { margin-bottom: 26px; }
.quiz-question p.q-text { font-weight: 600; margin-bottom: 10px; }
.quiz-question label.option {
  display: block;
  padding: 10px 14px;
  border: 1px solid var(--barnes-beige-border);
  margin-bottom: 8px;
  cursor: pointer;
  font-weight: 400;
}
.quiz-question label.option:hover { background: var(--barnes-beige); }
.quiz-question input[type=radio] { margin-right: 10px; }

.result-row {
  padding: 14px 0;
  border-bottom: 1px solid var(--barnes-beige-border);
}
.result-row.correct { color: var(--ok); }
.result-row.incorrect { color: var(--bad); }

table.score-table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; }
table.score-table th, table.score-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--barnes-beige-border);
}
table.score-table th { background: var(--barnes-beige); }

.big-score {
  font-size: 42px;
  font-weight: 700;
  margin: 6px 0;
}
.status-pass { color: var(--ok); }
.status-fail { color: var(--bad); }

.actions { margin-top: 28px; display: flex; gap: 12px; flex-wrap: wrap; }

footer.brand-footer {
  background: var(--barnes-black);
  color: var(--barnes-beige);
  text-align: center;
  padding: 16px;
  font-size: 11px;
  letter-spacing: 1px;
}