:root {
  --paper: #f3f2ed;
  --card: #fffefa;
  --ink: #171915;
  --muted: #6d7169;
  --line: #d7d6cf;
  --green: #136d4d;
  --lime: #dff25f;
  --dark: #20231f;
  --red: #9a4d43;
  --button-ink: #ffffff;
  --serif: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

[data-theme="dark"] {
  --paper: #101310;
  --card: #191d19;
  --ink: #eef1eb;
  --muted: #9ba198;
  --line: #303630;
  --green: #62d3a0;
  --lime: #dff25f;
  --dark: #eef1eb;
  --red: #e38276;
  --button-ink: #101310;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  margin: 0;
  -webkit-font-smoothing: antialiased;
}
button, input, select { color: inherit; font: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }
.eyebrow {
  color: var(--green);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.start-screen,
.done-screen,
.admin-login {
  margin: 0 auto;
  max-width: 880px;
  min-height: 100vh;
  padding: 12vh 5vw 80px;
}
.intro-mark {
  align-items: center;
  background: var(--dark);
  border-radius: 50%;
  color: var(--button-ink);
  display: flex;
  font-family: var(--serif);
  font-size: 22px;
  height: 64px;
  justify-content: center;
  margin-bottom: 42px;
  width: 64px;
}
.start-screen h1,
.done-screen h1,
.admin-login h1,
.results-header h1 {
  font-family: var(--serif);
  font-size: clamp(52px, 8vw, 94px);
  font-weight: 400;
  letter-spacing: -.06em;
  line-height: .9;
  margin: 18px 0 28px;
}
.lede {
  color: #51564e;
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.55;
  max-width: 720px;
}
#name-form {
  border-top: 2px solid var(--ink);
  margin-top: 48px;
  padding-top: 22px;
}
#name-form label {
  display: block;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: .08em;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.name-row { display: grid; gap: 8px; grid-template-columns: 1fr auto; }
input, select {
  background: var(--card);
  border: 1px solid #bebfb7;
  border-radius: 0;
  outline: none;
  padding: 15px 16px;
}
input:focus, select:focus { border-color: var(--green); }
button {
  background: var(--dark);
  border: 1px solid var(--dark);
  color: var(--button-ink);
  font-weight: 700;
  padding: 14px 22px;
}
button:hover { background: var(--green); border-color: var(--green); color: #101b14; }
button:disabled { cursor: default; opacity: .45; }
.theme-toggle {
  background: var(--card);
  border-color: var(--line);
  color: var(--ink);
  font-size: 9px;
  letter-spacing: .08em;
  padding: 10px 12px;
  text-transform: uppercase;
}
.floating-theme-toggle {
  bottom: 16px;
  left: 16px;
  position: fixed;
  z-index: 35;
}
.form-note { color: var(--muted); font-size: 11px; }
.form-error { color: var(--red); font-size: 12px; min-height: 18px; }

.topbar {
  align-items: center;
  background: rgba(243, 242, 237, .94);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  min-height: 68px;
  padding: 0 3vw;
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
}
.topbar > div:first-child { display: grid; gap: 4px; }
.topbar b { font-size: 12px; }
.progress-copy { align-items: center; display: flex; gap: 12px; }
.progress-copy > span { font-family: var(--serif); font-size: 16px; }
.progress-track { background: #deddd6; height: 5px; overflow: hidden; width: 160px; }
.progress-track i {
  background: var(--green);
  display: block;
  height: 100%;
  transition: width .25s ease;
  width: 0;
}
.quiz-shell { margin: 0 auto; max-width: 1500px; padding: 20px 3vw 70px; }
.case-nav {
  align-items: center;
  display: flex;
  justify-content: flex-end;
  margin-bottom: 10px;
}
.case-nav span {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .08em;
  padding: 0 14px;
  text-transform: uppercase;
}
.case-nav button {
  background: transparent;
  border: 1px solid #adafa7;
  border-radius: 50%;
  color: var(--ink);
  font-size: 17px;
  height: 38px;
  padding: 0;
  width: 38px;
}
.case-nav button:hover { background: var(--dark); color: white; }
.question-block {
  border-bottom: 2px solid var(--ink);
  padding: 4px 0 16px;
}
.question-block h2 {
  font-family: var(--serif);
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 400;
  letter-spacing: -.04em;
  line-height: 1;
  margin: 8px 0 0;
}
.answers-grid {
  align-items: stretch;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 14px;
}
.answer-card {
  background: var(--card);
  border: 1px solid #d1d0c9;
  border-top: 4px solid #8f928a;
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.answer-card.selected {
  border-color: var(--green);
  border-top-color: var(--green);
  box-shadow: 0 0 0 2px rgba(19, 109, 77, .13);
}
.answer-card > header {
  align-items: center;
  border-bottom: 1px solid #e2e1db;
  display: flex;
  justify-content: space-between;
  min-height: 52px;
  padding: 0 20px;
}
.answer-card > header span {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.answer-card > header i {
  color: var(--green);
  display: none;
  font-size: 9px;
  font-style: normal;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.answer-card.selected > header i { display: block; }
.answer-body {
  flex: 1;
  font-size: 14px;
  line-height: 1.66;
  padding: clamp(22px, 3vw, 38px);
}
.choose-button { margin: 0 18px 18px; width: calc(100% - 36px); }
.answer-card.selected .choose-button { background: var(--green); border-color: var(--green); }
.tie-row {
  align-items: center;
  display: flex;
  justify-content: center;
  min-height: 74px;
  position: relative;
}
.tie-row button { background: transparent; border-color: #aaa; color: var(--ink); }
.tie-row button.selected { background: #dcded6; border-color: #959990; }
#save-status { color: var(--muted); font-size: 10px; position: absolute; right: 0; }

.context-flag {
  background: var(--green);
  border-color: var(--green);
  border-radius: 8px 0 0 8px;
  box-shadow: 0 8px 24px rgba(23, 25, 21, .16);
  font-size: 9px;
  letter-spacing: .08em;
  padding: 16px 10px;
  position: fixed;
  right: 0;
  text-transform: uppercase;
  top: 44%;
  writing-mode: vertical-rl;
  z-index: 30;
}
.context-flag:hover { background: var(--dark); border-color: var(--dark); }
.context-backdrop {
  background: rgba(22, 24, 21, .42);
  inset: 0;
  opacity: 0;
  pointer-events: none;
  position: fixed;
  transition: opacity .2s ease;
  z-index: 40;
}
.context-backdrop.open { opacity: 1; pointer-events: auto; }
.context-drawer {
  background: var(--paper);
  box-shadow: -18px 0 50px rgba(22, 24, 21, .18);
  height: 100vh;
  max-width: 92vw;
  overflow-y: auto;
  position: fixed;
  right: 0;
  top: 0;
  transform: translateX(102%);
  transition: transform .24s ease;
  width: 680px;
  z-index: 50;
}
.context-drawer.open { transform: translateX(0); }
.context-drawer > header {
  align-items: start;
  background: rgba(243, 242, 237, .96);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  padding: 28px 30px 22px;
  position: sticky;
  top: 0;
  z-index: 2;
  backdrop-filter: blur(12px);
}
.context-drawer > header h3 {
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 400;
  letter-spacing: -.04em;
  margin: 7px 0 5px;
}
.context-drawer > header p { color: var(--muted); font-size: 10px; margin: 0; }
.context-drawer > header button {
  align-items: center;
  background: transparent;
  border-color: #aeb0a8;
  border-radius: 50%;
  color: var(--ink);
  display: flex;
  font-family: var(--serif);
  font-size: 25px;
  height: 40px;
  justify-content: center;
  padding: 0 0 3px;
  width: 40px;
}
.context-drawer > header button:hover { background: var(--dark); color: white; }
.context-list { display: grid; gap: 8px; padding: 18px; }
.context-list article { background: var(--card); border: 1px solid var(--line); }
.context-list article > header {
  align-items: center;
  border-bottom: 1px solid #e2e1db;
  display: flex;
  justify-content: space-between;
  min-height: 42px;
  padding: 0 14px;
}
.context-list article > header span {
  color: #92958d;
  font-family: var(--serif);
  font-size: 13px;
}
.context-list article > header b {
  color: var(--green);
  font-size: 8px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.context-list pre {
  color: #444941;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10px;
  line-height: 1.55;
  margin: 0;
  overflow-wrap: anywhere;
  padding: 18px;
  white-space: pre-wrap;
}
.drawer-open { overflow: hidden; }

.markdown-body > :first-child { margin-top: 0; }
.markdown-body > :last-child { margin-bottom: 0; }
.markdown-body p { margin: 0 0 16px; }
.markdown-body strong { color: #20251f; font-weight: 750; }
.markdown-body h3 {
  border-bottom: 1px solid #e1e0da;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 500;
  margin: 24px 0 12px;
  padding-bottom: 8px;
}
.markdown-body ul,
.markdown-body ol {
  display: grid;
  gap: 8px;
  margin: 0 0 18px;
  padding-left: 21px;
}
.markdown-body li::marker { color: var(--green); font-weight: 800; }
.deep-link {
  align-items: center;
  background: #e7f0e9;
  border: 1px solid #b8cfbf;
  color: #145e44;
  display: inline-flex;
  font-weight: 700;
  gap: 6px;
  margin: 1px 2px;
  padding: 4px 8px 4px 5px;
}
.deep-link i {
  align-items: center;
  background: var(--green);
  border-radius: 50%;
  color: white;
  display: flex;
  font-size: 9px;
  font-style: normal;
  height: 17px;
  justify-content: center;
  width: 17px;
}
.citation {
  background: #e4f3d0;
  color: #285a38;
  font-size: 10px;
  font-weight: 750;
  margin-left: 2px;
  padding: 1px 3px;
}

.results-page main { margin: 0 auto; max-width: 1500px; padding: 42px 3vw 100px; }
.admin-login { max-width: 720px; }
.admin-login form {
  display: grid;
  gap: 9px;
  grid-template-columns: repeat(2, minmax(0, 1fr)) auto;
}
.admin-login .form-error { grid-column: 1 / -1; }
.results-header {
  align-items: end;
  border-bottom: 2px solid var(--ink);
  display: flex;
  justify-content: space-between;
  padding-bottom: 24px;
}
.results-header h1 { font-size: clamp(50px, 7vw, 86px); margin-bottom: 0; }
.results-actions { display: flex; gap: 8px; }
.results-actions button { font-size: 10px; padding: 10px 12px; }
.results-view-toolbar {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 18px;
  justify-content: space-between;
  padding: 18px 0 0;
}
.view-switch {
  background: #e8e7e1;
  display: inline-grid;
  grid-template-columns: repeat(2, auto);
  padding: 3px;
}
.view-switch button {
  background: transparent;
  border: 0;
  color: var(--muted);
  font-size: 10px;
  padding: 10px 14px;
}
.view-switch button.active {
  background: var(--dark);
  color: white;
}
.judge-filters {
  align-items: center;
  display: flex;
  gap: 8px;
}
.judge-filters > span {
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .08em;
  margin-right: 3px;
  text-transform: uppercase;
}
.judge-filters label {
  align-items: center;
  border: 1px solid var(--line);
  cursor: pointer;
  display: inline-flex;
  font-size: 10px;
  gap: 7px;
  padding: 8px 10px;
}
.judge-filters label:has(input:checked) {
  background: #eaf2eb;
  border-color: #b8cfbf;
}
.judge-filters input { accent-color: var(--green); margin: 0; }
.judge-filters label:has(input:disabled) { cursor: default; opacity: .5; }
.summary-grid {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(5, 1fr);
  margin: 20px 0;
}
.summary-grid article { background: var(--card); display: grid; gap: 8px; padding: 20px; }
.summary-grid span {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.summary-grid b { font-family: var(--serif); font-size: 36px; font-weight: 400; }
.participant-toolbar {
  align-items: end;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  padding: 12px 0 18px;
}
.participant-toolbar label {
  display: grid;
  font-size: 9px;
  font-weight: 800;
  gap: 7px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
#participant-meta { align-items: end; display: flex; gap: 12px; }
#participant-meta b { font-family: var(--serif); font-size: 22px; font-weight: 400; }
#participant-meta span, #participant-meta small { color: var(--muted); font-size: 10px; }
.results-list { display: grid; gap: 7px; }
.result-row { background: var(--card); border: 1px solid var(--line); }
.result-row > summary {
  align-items: center;
  cursor: pointer;
  display: grid;
  gap: 12px;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  list-style: none;
  min-height: 58px;
  padding: 10px 16px;
}
.result-row > summary::-webkit-details-marker { display: none; }
.result-row > summary span { color: #92958d; font-family: var(--serif); }
.result-row > summary b { font-size: 12px; }
.result-row > summary i {
  color: var(--muted);
  font-size: 9px;
  font-style: normal;
  font-weight: 800;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.result-row.new > summary i { color: var(--green); }
.result-row.old > summary i { color: var(--red); }
.result-row.tie > summary i { color: #8b6c25; }
.result-answers {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.result-answers article { background: #f6f5f0; min-width: 0; padding: 18px; }
.result-answers article.picked { background: #eaf2eb; }
.result-answers header {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .08em;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.result-answers p {
  font-size: 12px;
  line-height: 1.55;
  margin: 0;
  white-space: pre-wrap;
}
.judge-note {
  background: #ecebe5;
  border-top: 1px solid var(--line);
  padding: 18px;
}
.judge-note header {
  align-items: baseline;
  display: flex;
  gap: 12px;
  justify-content: space-between;
}
.judge-note header b {
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.judge-note header span {
  color: var(--muted);
  font-size: 9px;
}
.judge-note p {
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.5;
  margin: 12px 0 0;
}

[data-theme="dark"] .lede { color: #b7bdb4; }
[data-theme="dark"] input,
[data-theme="dark"] select { border-color: #424942; }
[data-theme="dark"] .topbar {
  background: rgba(16, 19, 16, .94);
}
[data-theme="dark"] .progress-track { background: #303630; }
[data-theme="dark"] .case-nav button {
  border-color: #555d55;
}
[data-theme="dark"] .case-nav button:hover,
[data-theme="dark"] .context-drawer > header button:hover {
  background: var(--green);
  color: #101b14;
}
[data-theme="dark"] .answer-card {
  border-color: #353b35;
  border-top-color: #707770;
}
[data-theme="dark"] .answer-card > header,
[data-theme="dark"] .context-list article > header {
  border-bottom-color: #303630;
}
[data-theme="dark"] .answer-card.selected {
  box-shadow: 0 0 0 2px rgba(98, 211, 160, .16);
}
[data-theme="dark"] .answer-card.selected .choose-button,
[data-theme="dark"] .context-flag {
  color: #101b14;
}
[data-theme="dark"] .tie-row button { border-color: #555d55; }
[data-theme="dark"] .tie-row button.selected { background: #303630; }
[data-theme="dark"] .context-drawer > header {
  background: rgba(16, 19, 16, .96);
}
[data-theme="dark"] .context-list pre { color: #c5cac2; }
[data-theme="dark"] .markdown-body strong { color: #f4f6f1; }
[data-theme="dark"] .markdown-body h3 { border-bottom-color: #303630; }
[data-theme="dark"] .deep-link {
  background: #173526;
  border-color: #2d6648;
  color: #89dfb5;
}
[data-theme="dark"] .citation {
  background: #29402c;
  color: #b8e5bd;
}
[data-theme="dark"] .view-switch { background: #252a25; }
[data-theme="dark"] .view-switch button.active {
  background: var(--green);
  color: #101b14;
}
[data-theme="dark"] .judge-filters label:has(input:checked),
[data-theme="dark"] .result-answers article.picked {
  background: #1c3929;
  border-color: #34664b;
}
[data-theme="dark"] .result-answers article { background: #151815; }
[data-theme="dark"] .judge-note { background: #202420; }
[data-theme="dark"] .result-row.old > summary i { color: var(--red); }
[data-theme="dark"] .result-row.tie > summary i { color: #d8b960; }

@media (max-width: 780px) {
  .progress-track { width: 90px; }
  .quiz-shell { padding-left: 4vw; padding-right: 4vw; }
  .answers-grid, .result-answers { grid-template-columns: 1fr; }
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .results-view-toolbar { align-items: stretch; flex-direction: column; }
  .judge-filters { align-items: stretch; flex-wrap: wrap; }
  .judge-filters > span { flex-basis: 100%; }
  .participant-toolbar, .results-header { align-items: stretch; flex-direction: column; gap: 18px; }
  #participant-meta { align-items: start; flex-direction: column; gap: 3px; }
}

@media (max-width: 520px) {
  .start-screen, .done-screen, .admin-login { padding-top: 8vh; }
  .start-screen h1, .done-screen h1, .admin-login h1 { font-size: 50px; }
  .name-row, .admin-login form { grid-template-columns: 1fr; }
  .topbar { padding: 0 4vw; }
  .topbar .eyebrow { display: none; }
  .progress-track { width: 70px; }
  .question-block h2 { font-size: 34px; }
  #save-status { bottom: 0; left: 0; text-align: center; }
  .context-flag {
    bottom: 12px;
    border-radius: 8px 0 0 8px;
    padding: 13px 9px;
    top: auto;
  }
  .context-drawer { max-width: 100vw; width: 100vw; }
  .context-drawer > header { padding: 22px 18px 18px; }
  .context-list { padding: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: .01ms !important; }
}