/* FentyEval: blue accents with dark and light themes. */
:root, [data-theme="dark"] {
  --motion-fast: 150ms;
  --motion-base: 240ms;
  --motion-slow: 420ms;
  --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.2, 0.8, 0.2, 1);
  --bg: #0f1115;
  --surface: #171a21;
  --surface-2: #1f232c;
  --text: #f3f4f6;
  --muted: #9aa0ad;
  --line: rgba(243, 244, 246, 0.12);
  --accent: #2563eb;
  --accent-text: #7aa7ff;
  --accent-secondary: #2563eb;
  --accent-secondary-text: #7aa7ff;
  --on-accent: #ffffff;
  --good: #4ade80;
  --bad: #f87171;
  --error: #fca5a5;
  color-scheme: dark;
}
.quiz-format-option::after {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: transparent;
  content: "✓";
  font-size: 0.75rem;
  font-weight: 800;
}
.quiz-format-option.is-selected::after { border-color: var(--accent); background: var(--accent); color: var(--on-accent); }
[data-theme="light"] {
  --bg: #fafafa;
  --surface: #ffffff;
  --surface-2: #f0f1f4;
  --text: #14161a;
  --muted: #5b606b;
  --line: rgba(20, 22, 26, 0.14);
  --accent: #2563eb;
  --accent-text: #1d4ed8;
  --accent-secondary: #2563eb;
  --accent-secondary-text: #1d4ed8;
  --on-accent: #ffffff;
  --good: #15803d;
  --bad: #b91c1c;
  --error: #b42318;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
html, body { height: 100%; margin: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1rem; line-height: 1.6;
  background: var(--bg); color: var(--text);
  transition: background-color var(--motion-slow) ease, color var(--motion-base) ease;
  display: flex; justify-content: center;
}
a { color: inherit; }
.muted { color: var(--muted); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 20px; border-radius: 999px; border: 1px solid transparent;
  font: inherit; font-weight: 600; font-size: 0.95rem; text-decoration: none; cursor: pointer;
  transition:
    color var(--motion-fast) ease,
    background-color var(--motion-fast) ease,
    border-color var(--motion-fast) ease,
    box-shadow var(--motion-fast) ease,
    transform var(--motion-fast) var(--ease-spring);
}
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: #1d4ed8; }
.upgrade-link { box-shadow: 0 6px 18px color-mix(in srgb, var(--accent-secondary) 24%, transparent); }
.upgrade-link { display: inline-flex; align-items: center; gap: 8px; }
.upgrade-star {
  display: inline-block;
  width: 17px;
  height: 17px;
  flex: 0 0 17px;
  background: currentColor;
  -webkit-mask: url("/assets/upgrade-star.png") center / contain no-repeat;
  mask: url("/assets/upgrade-star.png") center / contain no-repeat;
}
.btn-outline { border-color: var(--line); color: var(--text); background: transparent; }
.btn-outline:hover { border-color: var(--accent-text); color: var(--accent-text); }
.btn-ghost { color: var(--text); }
.btn-ghost:hover { background: var(--line); }
.btn:not(:disabled):hover { transform: translateY(-1px); }
.btn:not(:disabled):active { transform: translateY(0) scale(0.98); }
.btn:disabled { cursor: not-allowed; }
.btn-lg { padding: 14px 28px; font-size: 1.02rem; }
.btn-sm { padding: 7px 13px; font-size: 0.88rem; }

.theme-toggle {
  width: 38px; height: 38px; padding: 0; display: grid; place-items: center;
  border-radius: 50%; border: 1px solid var(--line); background: transparent;
  color: var(--text); cursor: pointer; font-size: 1.05rem;
  transition: color var(--motion-fast) ease, border-color var(--motion-fast) ease, background-color var(--motion-fast) ease, transform var(--motion-fast) var(--ease-spring);
}
.theme-toggle::before { content: "☾"; }
[data-theme="light"] .theme-toggle::before { content: "☀"; }
.theme-toggle:hover { border-color: var(--accent-text); background: var(--surface-2); transform: rotate(12deg); }
.theme-toggle:active { transform: scale(0.92); }

a:focus-visible, button:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent-text); outline-offset: 2px;
}

.landing-page { display: block; height: auto; min-height: 100%; }
.test-page { --test-timer-bar-height: 62px; }
.test-main {
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto;
  padding: 0 0 72px;
}
.test-ready {
  width: min(100%, 720px);
  margin: 64px auto 0;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  animation: page-enter 420ms var(--ease-smooth) both;
  transition: transform var(--motion-base) var(--ease-spring), border-color var(--motion-base) ease, box-shadow var(--motion-base) ease;
}
.test-ready h1 { margin: 0; font-size: clamp(1.8rem, 4vw, 2.4rem); }
.test-ready > p:not(.dashboard-eyebrow) { color: var(--muted); }
.test-ready-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}
.test-timer-bar {
  position: sticky;
  z-index: 1000;
  top: 0;
  width: auto;
  min-height: var(--test-timer-bar-height);
  margin: 0 0 18px;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 0 0 14px 14px;
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(12px);
}
.test-timer-label {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 650;
}
.test-layout {
  display: grid;
  grid-template-columns: 188px minmax(0, 740px);
  justify-content: center;
  align-items: start;
  gap: 24px;
}
.test-heading { padding-top: 16px; }
.test-column { min-width: 0; }
.question-bookmark-panel {
  position: sticky;
  top: calc(var(--test-timer-bar-height) + 16px);
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  animation: page-enter 420ms var(--ease-smooth) both;
}
.question-bookmark-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin: 0 0 10px;
  font-size: 0.82rem;
  font-weight: 700;
}
.question-bookmark-count { color: var(--muted); font-size: 0.76rem; font-weight: 550; }
.question-bookmarks {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}
.question-bookmark {
  width: 100%;
  aspect-ratio: 1;
  min-height: 46px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--bg);
  color: var(--muted);
  font: inherit;
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
  transition: color 140ms ease, background 140ms ease, border-color 140ms ease, transform 140ms ease;
}
.question-bookmark:hover { border-color: var(--accent-text); color: var(--text); transform: translateY(-1px); }
.question-bookmark.is-current { outline: 2px solid var(--accent-text); outline-offset: 2px; z-index: 1; }
.question-bookmark.is-answered:not(.is-saved) {
  border-color: color-mix(in srgb, var(--good) 55%, var(--line));
  color: var(--good);
}
.question-bookmark.is-checked:not(.is-saved) {
  border-color: var(--good);
  background: color-mix(in srgb, var(--good) 16%, var(--surface));
  color: var(--good);
}
.question-bookmark.is-saved {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--on-accent);
}
.question-bookmark:disabled { cursor: default; }
.question-bookmark:disabled:hover { transform: none; }
@media (min-width: 761px) and (max-width: 960px) {
  .test-layout { grid-template-columns: 164px minmax(0, 1fr); gap: 16px; }
  .question-bookmark-panel { padding: 10px; }
  .question-bookmarks { gap: 6px; }
}
.test-loading-status,
.test-error,
.test-results {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}
.test-loading-status:not([hidden]) {
  display: grid;
  justify-items: center;
  gap: 9px;
  margin: 0 auto;
  text-align: center;
}
.loading-title { color: var(--text); font-size: 1.08rem; }
.loading-detail,
.loading-note { color: var(--muted); }
.loading-facts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  width: 100%;
  margin: 2px 0;
}
.loading-elapsed,
.loading-model {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--bg);
  font-size: 0.86rem;
  font-variant-numeric: tabular-nums;
}
.loading-model { color: var(--accent-text); overflow-wrap: anywhere; }
.loading-note { font-size: 0.88rem; }
.test-error { border-color: var(--error); }
.test-error p { color: var(--error); }
.test-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}
.test-heading h1 { margin: 0; font-size: clamp(1.8rem, 4vw, 2.5rem); }
.test-heading p { margin: 6px 0 0; color: var(--muted); }
.test-timer {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-variant-numeric: tabular-nums;
  font-size: 1.05rem;
  font-weight: 750;
}
.test-timer-ring { width: 42px; height: 42px; overflow: visible; transform: rotate(-90deg); }
.test-timer-track,
.test-timer-progress { fill: none; stroke-width: 4; }
.test-timer-track { stroke: var(--line); }
.test-timer-progress {
  stroke: #3b82f6;
  stroke-linecap: round;
  stroke-dasharray: 150.8;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 900ms linear;
}
#test-timer { min-width: 3.4em; }
.test-timer.is-overtime,
.test-timer.is-overtime #test-timer { color: var(--bad); }
.test-timer.is-overtime .test-timer-progress { stroke: var(--bad); }
.test-form { display: grid; gap: 16px; }
.test-question {
  position: relative;
  min-width: 0;
  margin: 0;
  padding: 18px 58px 18px 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  scroll-margin-top: 24px;
}
.test-question-type {
  display: block;
  margin-bottom: 7px;
  color: var(--accent-text);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}
.test-question-prompt {
  min-width: 0;
  margin-top: 8px;
  font-weight: 700;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.paper-section-heading {
  margin: 22px 0 0;
  padding-bottom: 9px;
  border-bottom: 2px solid var(--accent);
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  scroll-margin-top: 20px;
}
.paper-question { padding-right: 20px; }
.paper-question-type { text-transform: capitalize; }
.paper-choice-list { display: grid; gap: 7px; margin: 12px 0 0; padding-left: 28px; }
.paper-choice-list li { padding-left: 4px; }
.paper-program-topic { margin: 12px 0; color: var(--accent-text); font-weight: 700; }
.paper-program-detail { margin-top: 12px; }
.paper-program-detail strong { display: block; margin-bottom: 5px; }
.paper-program-detail pre,
.paper-answer {
  max-width: 100%;
  margin: 0;
  padding: 10px 12px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font: 0.88rem/1.55 Consolas, "Courier New", monospace;
}
.paper-response-space {
  min-height: 56px;
  margin-top: 16px;
  border-bottom: 1px dashed var(--line);
}
.paper-question-trace_table .paper-response-space,
.paper-question-code_conversion .paper-response-space,
.paper-question-code_completion .paper-response-space,
.paper-question-short_code .paper-response-space,
.paper-question-full_program .paper-response-space { min-height: 190px; }
.paper-question-full_program .paper-response-space { min-height: 280px; }
.paper-answer-key {
  margin-top: 18px;
  padding: 16px;
  border: 1px solid color-mix(in srgb, var(--good) 48%, var(--line));
  border-radius: 10px;
  background: color-mix(in srgb, var(--good) 6%, var(--surface));
}
.paper-answer-key[hidden],
.paper-self-mark[hidden] { display: none; }
.paper-answer-key h3 { margin: 0 0 9px; font-size: 1rem; }
.paper-explanation { margin: 10px 0 0; color: var(--muted); white-space: pre-wrap; }
.paper-self-mark {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 12px;
}
.paper-self-mark > span:first-child { margin-right: 4px; font-weight: 700; }
.paper-self-mark button[aria-pressed="true"][data-mark="correct"] {
  border-color: var(--good);
  background: color-mix(in srgb, var(--good) 14%, var(--surface));
  color: var(--good);
}
.paper-self-mark button[aria-pressed="true"][data-mark="incorrect"] {
  border-color: var(--bad);
  background: color-mix(in srgb, var(--bad) 12%, var(--surface));
  color: var(--bad);
}
.paper-mark-status { color: var(--muted); font-size: 0.82rem; }
.paper-self-score { margin: 14px 0 0; font-size: 1.05rem; font-weight: 700; }
.paper-self-score[hidden] { display: none; }
.paper-question .question-save { display: none; }
.paper-test-page {
  min-height: 100vh;
  background: #fff;
  color: var(--text);
}
.paper-test-page .test-main {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0 clamp(20px, 5vw, 76px) 72px;
}
.paper-test-page .test-ready {
  width: 100%;
  min-height: 100vh;
  margin: 0;
  padding: clamp(28px, 7vw, 88px);
  border: 0;
  border-radius: 0;
  background: transparent;
}
.test-content:not([hidden]),
.test-results:not([hidden]),
.test-error:not([hidden]),
.test-loading-status:not([hidden]) {
  animation: page-enter 360ms var(--ease-smooth) both;
}
.paper-test-page #test-content { width: 100%; }
.paper-test-page .test-layout { display: block; width: 100%; }
.paper-test-page .test-column { width: 100%; }
.paper-test-page .test-heading {
  margin: 0 0 24px;
  padding: 34px 0 22px;
  border-bottom: 2px solid var(--line);
}
.paper-test-page .test-heading h1 { color: var(--text); }
.paper-test-page .test-heading p { color: var(--muted); }
.paper-test-page .test-timer-bar {
  margin: 0 calc(-1 * clamp(20px, 5vw, 76px));
  padding-inline: clamp(20px, 5vw, 76px);
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: #fff;
  box-shadow: none;
  backdrop-filter: blur(8px);
}
.paper-test-page .test-timer-label { color: var(--muted); }
.paper-test-page .test-form { display: block; }
.paper-test-page .paper-section-heading {
  margin: 34px 0 0;
  padding: 0 0 10px;
  border-bottom: 2px solid var(--line);
  color: var(--text);
  font-size: clamp(1.45rem, 3vw, 1.9rem);
}
.paper-test-page .paper-question {
  margin: 0;
  padding: 20px 0 25px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--text);
  box-shadow: none;
}
.paper-test-page .paper-question-type {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 0.73rem;
  letter-spacing: 0.08em;
}
.paper-test-page .paper-question-prompt {
  margin-top: 4px;
  color: var(--text);
  line-height: 1.6;
}
.paper-test-page .paper-choice-list { line-height: 1.65; }
.paper-test-page .paper-program-topic { color: var(--accent-text); }
.paper-test-page .paper-program-detail pre,
.paper-test-page .paper-answer {
  border-color: var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
}
.paper-test-page .paper-response-space { border-color: var(--line); }
.paper-test-page .paper-answer-key {
  border-color: var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--text);
}
.paper-test-page .paper-explanation { color: var(--muted); }
.paper-test-page .paper-self-score { color: var(--text); }
.paper-test-page .test-actions {
  justify-content: flex-start;
  padding: 26px 0 10px;
}
.paper-test-page .paper-self-mark > span:first-child { color: var(--text); }
.paper-test-page .paper-mark-status { color: var(--muted); }
.paper-test-page .paper-self-mark button {
  border-color: var(--line);
  background: transparent;
  color: var(--text);
}
.paper-test-page .paper-self-mark button[aria-pressed="true"][data-mark="correct"] {
  background: color-mix(in srgb, var(--good) 14%, #fff);
  color: var(--good);
}
.paper-test-page .paper-self-mark button[aria-pressed="true"][data-mark="incorrect"] {
  background: color-mix(in srgb, var(--bad) 12%, #fff);
  color: var(--bad);
}
.question-save {
  position: absolute;
  top: 15px;
  right: 16px;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  transition: color var(--motion-fast) ease, background-color var(--motion-fast) ease, border-color var(--motion-fast) ease, transform var(--motion-fast) var(--ease-spring), box-shadow var(--motion-fast) ease;
}
.quiz-continue:not(:disabled):hover { transform: translateY(-1px); box-shadow: 0 6px 16px color-mix(in srgb, var(--accent) 25%, transparent); }
.quiz-continue:not(:disabled):active { transform: scale(0.98); }
.question-save:hover,
.question-save[aria-pressed="true"] { border-color: var(--accent); color: var(--accent-text); }
.question-answer-format {
  margin: 10px 0 0;
  color: var(--accent-text);
  font-size: 0.9rem;
  font-weight: 600;
  overflow-wrap: anywhere;
}
.test-choices { display: grid; gap: 9px; margin-top: 14px; }
.test-choice {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  cursor: pointer;
}
.test-choice:has(input:checked) { border-color: var(--accent-text); }
.test-choice input { flex: 0 0 auto; margin-top: 6px; accent-color: var(--accent); }
.test-choice span {
  min-width: 0;
  overflow-wrap: anywhere;
}
.test-answer-input {
  width: 100%;
  min-width: 0;
  margin-top: 14px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
.dmoj-problem-title { margin: 0 48px 14px 0; font-size: clamp(1.2rem, 3vw, 1.6rem); }
.dmoj-topic { margin: -6px 48px 14px 0; color: var(--muted); font-size: 0.85rem; }
.dmoj-question h3 { margin: 18px 0 6px; font-size: 1rem; }
.dmoj-problem-copy { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.dmoj-sample-table {
  width: 100%;
  margin-top: 10px;
  border-collapse: collapse;
  table-layout: fixed;
}
.dmoj-sample-table th,
.dmoj-sample-table td { width: 50%; padding: 8px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.dmoj-sample-table th { background: var(--bg); }
.dmoj-sample-table pre,
.answer-sheet-code {
  max-width: 100%;
  margin: 0;
  overflow: auto;
  white-space: pre;
  font: 0.85rem/1.5 Consolas, "Courier New", monospace;
}
.dmoj-editor-label { display: block; margin: 18px 0 7px; font-weight: 700; }
.dmoj-code-editor {
  display: block;
  width: 100%;
  min-height: 300px;
  resize: vertical;
  padding: 14px 42px 14px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #10141d;
  color: #e6edf3;
  font: 0.9rem/1.55 Consolas, "Courier New", monospace;
  tab-size: 4;
}
.dmoj-editor-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 12px; }
.dmoj-check-status { flex: 1 1 240px; margin: 0; color: var(--muted); font-size: 0.9rem; overflow-wrap: anywhere; }
.dmoj-check-passed { color: var(--good); }
.dmoj-check-failed { color: var(--bad); }
.answer-sheet-code { display: block; margin-top: 6px; padding: 10px; border-radius: 8px; background: var(--bg); }
.test-exit-warning {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}
.test-actions { display: flex; justify-content: flex-end; margin-top: 20px; }
.incomplete-submit-warning {
  width: min(440px, calc(100% - 32px));
  max-width: none;
  margin: auto;
  padding: 24px;
  border: 1px solid var(--line);
  border-top: 4px solid #d97706;
  border-radius: 16px;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
}
.incomplete-submit-warning::backdrop {
  background: rgba(8, 10, 14, 0.66);
  backdrop-filter: blur(3px);
}
.incomplete-submit-warning h2 { margin: 0 0 8px; font-size: 1.2rem; }
.incomplete-submit-warning p { margin: 0; color: var(--muted); font-weight: 600; }
.incomplete-submit-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 12px;
}
.test-results {
  width: min(100%, 920px);
  margin: 0 auto;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}
.test-results h1 { margin-top: 0; }
.xp-ceremony {
  display: grid;
  align-content: center;
  min-height: min(760px, calc(100vh - 48px));
  margin: 0 0 44px;
  padding: clamp(24px, 6vw, 64px) 0;
  text-align: center;
}
.xp-celebration { display: grid; justify-items: center; }
.xp-celebration img {
  width: min(100%, 180px);
  height: 140px;
  margin: -8px auto 8px;
  border-radius: 14px;
  object-fit: contain;
}
.xp-celebration .dashboard-eyebrow { margin: 0 0 5px; color: var(--accent-text); }
.xp-celebration h1 { margin: 0; font-size: clamp(1.7rem, 4vw, 2.25rem); }
.xp-celebration > p:last-child { max-width: 520px; margin: 7px 0 0; color: var(--muted); }
.xp-reveal {
  width: min(100%, 560px);
  margin: 26px auto 0;
  animation: xp-reveal-enter 350ms ease-out both;
}
.xp-reveal > .dashboard-eyebrow { margin: 0 0 9px; color: var(--muted); font-weight: 750; }
.xp-level-label { margin: 0 0 8px; color: var(--muted); font-weight: 700; }
.xp-level-up {
  margin: 10px 0;
  color: var(--accent-text);
  font-size: clamp(1.3rem, 4vw, 2rem);
  font-weight: 900;
}
.xp-level-up.is-leveling { animation: xp-level-up 1400ms cubic-bezier(0.2, 0.8, 0.25, 1) both; }
.xp-reveal-track {
  height: 16px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-2);
}
.xp-reveal-fill {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transition: width 320ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.xp-breakdown {
  display: grid;
  gap: 7px;
  margin: 15px 0 0;
  padding: 0;
  list-style: none;
  text-align: left;
}
.xp-breakdown-step {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface-2) 52%, transparent);
  animation: xp-reveal-enter 220ms ease-out both;
}
.xp-reveal-total { margin: 13px 0 0; color: var(--accent-text); font-size: 1.55rem; font-weight: 800; }
.xp-reveal-ready { margin: 4px 0 0; color: var(--muted); }
.test-answer-sheet {
  min-height: 60vh;
  padding: 32px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 24px;
}
@keyframes xp-reveal-enter {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes xp-level-up {
  0% { opacity: 0; transform: scale(0.65) translateY(12px); }
  28% { opacity: 1; transform: scale(1.12) translateY(-3px); }
  72% { opacity: 1; transform: scale(1); }
  100% { opacity: 0; transform: scale(0.96) translateY(-5px); }
}
.xp-celebration.is-popping img { animation: cat-celebrate 520ms cubic-bezier(0.2, 0.85, 0.35, 1.25) both; }
@keyframes cat-celebrate {
  0% { opacity: 0; transform: scale(0.72) translateY(12px); }
  70% { opacity: 1; transform: scale(1.06) translateY(-3px); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}
.test-score { font-size: 1.2rem; font-weight: 700; }
.test-review-list { display: grid; gap: 12px; padding-left: 28px; }
.test-review-item {
  min-width: 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow-wrap: anywhere;
}
.test-review-item h3 { margin: 0 0 8px; font-size: 1rem; }
.test-review-list p { margin: 5px 0; }
.answer-sheet-label { color: var(--text); font-weight: 750; }
.answer-sheet-note {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.45;
}
.test-correct { color: var(--good); }
.test-incorrect { color: var(--bad); }
.test-main [hidden] { display: none; }
.empty-page { min-height: 100vh; background: var(--bg); }
.page-loading > :not(.page-loader) {
  opacity: 0;
  transition: opacity 420ms var(--ease-smooth);
}
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
  background: var(--bg);
  opacity: 1;
  transition: opacity 450ms ease, visibility 450ms ease;
}
.page-loader[hidden] { display: none; }
.page-loader-status {
  display: grid;
  justify-items: center;
  gap: 10px;
  width: min(480px, calc(100vw - 40px));
  margin: 0;
  color: var(--muted);
  text-align: center;
}
.page-loader-status .loading-title { font-size: 1.15rem; }
body:not(.page-loading) .page-loader {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}
body:not(.page-loading) > :not(.page-loader) { opacity: 1; }
.code-stack {
  width: min(240px, calc(100vw - 64px));
  display: grid;
  gap: 8px;
}
.code-block {
  height: 30px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
  opacity: 0;
  transform: translateY(14px);
  animation: stack-code 320ms cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
}
.code-block:nth-child(2) { animation-delay: 65ms; }
.code-block:nth-child(3) { animation-delay: 130ms; }
.code-block:nth-child(4) { animation-delay: 195ms; }
.code-block:nth-child(5) { animation-delay: 260ms; }
.code-block span,
.code-block i,
.code-block b {
  display: block;
  height: 5px;
  border-radius: 99px;
}
.code-block span { width: 28%; background: var(--accent-text); }
.code-block i { width: 42%; background: var(--muted); opacity: 0.72; }
.code-block b { width: 18%; background: var(--good); opacity: 0.8; }
@keyframes stack-code {
  to { opacity: 1; transform: translateY(0); }
}
.motion-reveal {
  opacity: 0;
  transform: translateY(16px) scale(0.995);
  transition: opacity 460ms var(--ease-smooth), transform 460ms var(--ease-smooth);
}
.motion-reveal.is-visible { opacity: 1; transform: translateY(0) scale(1); }
.policy-main { animation: page-enter 420ms var(--ease-smooth) both; }
@keyframes page-enter {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.home-page .site-header { margin-bottom: 0; }
.home-view.is-view-entering { animation: view-enter 360ms var(--ease-smooth) both; }
@keyframes view-enter {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.home-main { width: 100%; }
.home-layout {
  width: min(1200px, calc(100% - 40px));
  min-height: calc(100vh - 148px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 48px;
}
.home-sidebar {
  align-self: stretch;
  padding: 84px 20px 32px 0;
  border-right: 1px solid var(--line);
}
.sidebar-heading {
  margin: 0 0 12px 12px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.sidebar-nav { display: grid; gap: 4px; }
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 11px;
  min-height: 48px;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 550;
  text-decoration: none;
  transition:
    color var(--motion-fast) ease,
    background-color var(--motion-fast) ease,
    transform var(--motion-fast) var(--ease-spring);
}
.sidebar-link:hover { transform: translateX(3px); }
.sidebar-link:active { transform: translateX(1px) scale(0.99); }
.sidebar-link:focus-visible { outline: 3px solid var(--accent-text); outline-offset: 2px; }
.sidebar-icon {
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  object-fit: contain;
  filter: invert(1);
}
[data-theme="light"] .sidebar-icon { filter: none; }
.sidebar-link:hover,
.sidebar-link.is-active {
  background: color-mix(in srgb, var(--accent) 13%, var(--surface));
  color: var(--text);
}
.sidebar-link.is-active { box-shadow: inset 3px 0 var(--accent-secondary); }
.home-content { min-width: 0; }
.progress-dashboard { min-height: 60vh; padding: 76px 0 88px; scroll-margin-top: 96px; }
.progress-dashboard h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.6rem);
  letter-spacing: -0.045em;
  line-height: 1.15;
}
.progress-dashboard > p:not(.dashboard-eyebrow) { color: var(--muted); }
.soldier-progression {
  display: grid;
  grid-template-columns: minmax(150px, 220px) minmax(0, 1fr);
  align-items: center;
  gap: 28px;
  width: min(100%, 760px);
  margin-top: 28px;
  padding: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: color-mix(in srgb, var(--accent) 8%, var(--surface));
}
.soldier-portrait {
  position: relative;
  display: grid;
  min-height: 230px;
  align-items: end;
  justify-items: center;
  overflow: hidden;
  border-radius: 14px;
  background: var(--surface-2);
}
.soldier-portrait-change {
  position: absolute;
  inset: auto 10px 10px;
  min-height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 11px;
  background: rgba(15, 17, 21, 0.88);
  color: #fff;
  font: inherit;
  font-weight: 650;
  opacity: 0;
  transform: translateY(5px);
  transition: opacity var(--motion-base) ease, transform var(--motion-base) ease;
  cursor: pointer;
}
.soldier-portrait:hover .soldier-portrait-change,
.soldier-portrait:focus-within .soldier-portrait-change {
  opacity: 1;
  transform: translateY(0);
}
.soldier-portrait-change:focus-visible {
  outline: 3px solid var(--accent-text);
  outline-offset: 2px;
}
.soldier-portrait img {
  display: block;
  width: 100%;
  height: 250px;
  object-fit: contain;
  object-position: center bottom;
}
.soldier-username-form { display: grid; gap: 6px; margin: 0 0 18px; }
.soldier-username-form > label { color: var(--muted); font-size: 0.82rem; font-weight: 650; }
.soldier-username-controls { display: flex; gap: 8px; max-width: 390px; }
.soldier-username-controls input {
  min-width: 0;
  flex: 1;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}
.soldier-username-controls .btn { min-height: 40px; padding: 7px 14px; }
.soldier-profile-status { min-height: 1.2em; color: var(--muted); font-size: 0.8rem; }
.soldier-profile-status.is-error { color: var(--error); }
.soldier-progression-copy { min-width: 0; }
.soldier-progression-copy .dashboard-eyebrow { margin-bottom: 6px; }
.soldier-rank-heading {
  display: flex;
  align-items: center;
  gap: 12px;
}
.soldier-rank-heading h2 {
  margin: 0;
  font-size: clamp(1.65rem, 3vw, 2.2rem);
  letter-spacing: -0.04em;
}
.soldier-rank-badge {
  display: grid;
  width: 52px;
  height: 60px;
  flex: 0 0 auto;
  place-items: center;
  filter: drop-shadow(0 4px 5px color-mix(in srgb, var(--accent) 22%, transparent));
}
.soldier-rank-badge svg { display: block; width: 100%; height: 100%; }
.rank-collection {
  width: min(100%, 760px);
  margin-top: 28px;
}
.rank-list-button { min-height: 46px; }
.achievement-collection {
  width: min(100%, 980px);
  margin-top: 38px;
}
.achievement-collection > .dashboard-eyebrow { margin: 0 0 4px; }
.achievement-collection > h2 { margin: 0; font-size: clamp(1.45rem, 3vw, 1.8rem); }
.achievement-list-button { min-height: 46px; margin-top: 16px; }
.rank-dialog {
  width: min(760px, calc(100% - 32px));
  max-width: none;
  max-height: min(88vh, 820px);
  padding: 0;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--bg);
  color: var(--text);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
}
.rank-dialog::backdrop { background: rgba(5, 8, 14, 0.68); backdrop-filter: blur(4px); }
.photo-crop-dialog {
  width: min(500px, calc(100% - 32px));
  max-width: none;
  max-height: min(90vh, 760px);
  padding: 0;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--bg);
  color: var(--text);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
}
.photo-crop-dialog::backdrop { background: rgba(5, 8, 14, 0.68); backdrop-filter: blur(4px); }
.photo-crop-content { position: relative; display: grid; justify-items: center; padding: 28px; }
.photo-crop-content > .dashboard-eyebrow,
.photo-crop-content > h2,
.photo-crop-content > p:not(.dashboard-eyebrow) { justify-self: start; }
.photo-crop-content > .dashboard-eyebrow { margin: 0 0 5px; }
.photo-crop-content > h2 { margin: 0; font-size: 1.6rem; }
.photo-crop-content > p:not(.dashboard-eyebrow) { margin: 5px 0 18px; color: var(--muted); }
#photo-crop-canvas {
  display: block;
  width: min(100%, 320px);
  max-height: 48vh;
  border-radius: 12px;
  background: #10131a;
  cursor: grab;
  touch-action: none;
}
#photo-crop-canvas:active { cursor: grabbing; }
.photo-crop-zoom { display: grid; width: min(100%, 320px); gap: 6px; margin-top: 16px; font-weight: 650; }
.photo-crop-zoom input { width: 100%; accent-color: var(--accent); }
.photo-crop-actions { display: flex; justify-content: flex-end; gap: 10px; width: 100%; margin-top: 20px; }
.achievement-summary { margin: 5px 0 16px; color: var(--muted); }
.achievement-grid { display: grid; gap: 22px; }
.achievement-grid:not(.is-expanded) .achievement-tier-grid > :nth-child(n + 4) { display: none; }
.achievement-grid:not(.is-expanded) .achievement-tier:not(.achievement-tier-earned) .achievement-tier-grid > :nth-child(n + 3) { display: none; }
.achievement-tier > h3 { margin: 0 0 10px; font-size: 1rem; }
.achievement-tier-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.achievement-card {
  display: grid;
  min-width: 0;
  min-height: 100px;
  grid-template-columns: 48px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  transition: border-color var(--motion-base) ease, transform var(--motion-base) var(--ease-spring);
}
.achievement-card.is-unlocked {
  border-color: color-mix(in srgb, var(--accent-secondary) 52%, var(--line));
  background: color-mix(in srgb, var(--accent-secondary) 5%, var(--surface));
}
.achievement-art { display: block; width: 46px; height: 54px; }
.achievement-art svg { display: block; width: 100%; height: 100%; }
.achievement-art svg.is-locked-art { filter: grayscale(1); opacity: 0.48; }
.achievement-copy { display: grid; min-width: 0; gap: 4px; }
.achievement-name { font-size: 0.84rem; line-height: 1.25; }
.achievement-criteria { color: var(--muted); font-size: 0.72rem; line-height: 1.35; }
.achievement-earned-date { color: var(--accent-text); font-size: 0.69rem; font-weight: 650; line-height: 1.35; }
.achievement-status {
  width: fit-content;
  color: var(--muted);
  font-size: 0.65rem;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.achievement-card.is-unlocked .achievement-status,
.achievement-earned-date { color: var(--accent-secondary-text); }
.achievement-toast {
  position: fixed;
  z-index: 1000;
  top: 16px;
  left: 50%;
  width: min(440px, calc(100% - 28px));
  transform: translateX(-50%);
}
.achievement-toast[hidden] { display: none; }
.achievement-toast-dismiss {
  display: grid;
  width: 100%;
  grid-template-columns: 50px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid color-mix(in srgb, var(--accent-secondary) 58%, var(--line));
  border-radius: 16px;
  background: color-mix(in srgb, var(--accent-secondary) 9%, var(--surface));
  color: var(--text);
  text-align: left;
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.28);
  cursor: pointer;
}
.achievement-toast-art { display: block; width: 46px; height: 54px; }
.achievement-toast-art svg { display: block; width: 100%; height: 100%; }
.achievement-toast-copy { display: grid; gap: 3px; }
.achievement-toast-eyebrow { color: var(--accent-text); font-size: 0.7rem; font-weight: 750; letter-spacing: 0.09em; text-transform: uppercase; }
.achievement-toast-name { font-size: 1rem; }
.achievement-toast-close { color: var(--muted); font-size: 1.5rem; line-height: 1; text-align: center; }
.achievement-toast.is-entering { animation: achievement-toast-enter 320ms var(--ease-smooth) both; }
@keyframes achievement-toast-enter {
  from { opacity: 0; transform: translate(-50%, -12px) scale(0.98); }
  to { opacity: 1; transform: translate(-50%, 0) scale(1); }
}
.rank-dialog-content { position: relative; padding: 28px; }
.rank-dialog-content > .dashboard-eyebrow { margin-bottom: 5px; }
.rank-dialog-content h2 { margin: 0; font-size: clamp(1.55rem, 4vw, 2rem); }
.rank-dialog-summary { margin: 5px 48px 20px 0; color: var(--muted); }
.rank-badge-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.rank-badge-item {
  display: grid;
  min-width: 0;
  min-height: 88px;
  grid-template-columns: 46px minmax(0, 1fr);
  grid-template-rows: auto auto;
  align-content: center;
  align-items: center;
  column-gap: 10px;
  row-gap: 2px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  color: var(--muted);
  transition: border-color 180ms ease, opacity 180ms ease, transform 180ms ease;
}
.rank-badge-item:not(.is-earned) .rank-badge-art { opacity: 0.58; filter: grayscale(0.65); }
.rank-badge-item.is-current {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 9%, var(--surface));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 16%, transparent);
}
.rank-badge-item.is-earned .rank-badge-art {
  filter: drop-shadow(0 3px 4px color-mix(in srgb, var(--accent) 20%, transparent));
}
.rank-badge-art {
  display: block;
  width: 42px;
  height: 50px;
  grid-row: 1 / span 2;
}
.rank-badge-art svg { display: block; width: 100%; height: 100%; }
.rank-badge-name {
  width: 100%;
  overflow-wrap: break-word;
  font-size: 0.83rem;
  font-weight: 700;
  line-height: 1.25;
}
.rank-badge-distance { color: var(--muted); font-size: 0.75rem; line-height: 1.25; }
.soldier-level { margin: 5px 0 16px; color: var(--muted); }
.soldier-xp-total { display: block; margin-bottom: 8px; color: var(--accent-text); }
.soldier-xp-track {
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-2);
}
.soldier-xp-fill {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--accent-secondary);
  transition: width 400ms ease;
}
.soldier-xp-summary { margin: 9px 0 0; color: var(--muted); font-size: 0.9rem; line-height: 1.45; }
.quiz-dashboard {
  width: 100%;
  padding: 76px 0 88px;
  scroll-margin-top: 96px;
}
.unit-lessons { min-height: 60vh; padding: 76px 0 88px; scroll-margin-top: 96px; }
.unit-lessons h1 { margin: 0; font-size: clamp(2rem, 4vw, 2.6rem); letter-spacing: -0.045em; line-height: 1.15; }
.unit-lessons > p { color: var(--muted); }
.unit-title-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}
.unit-title-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  overflow: hidden;
  transition:
    border-color var(--motion-base) ease,
    background-color var(--motion-base) ease,
    transform var(--motion-base) var(--ease-spring),
    box-shadow var(--motion-base) ease;
}
.unit-title-card:nth-child(4n + 1) { border-top: 2px solid var(--accent); }
.unit-title-card:nth-child(4n + 2) { border-top: 2px solid var(--accent-secondary); }
.unit-title-card:nth-child(4n + 3) { border-top: 2px solid color-mix(in srgb, var(--accent) 55%, var(--accent-secondary)); }
.unit-title-card:nth-child(4n) { border-top: 2px solid color-mix(in srgb, var(--accent-secondary) 55%, var(--accent)); }
.unit-title-card > summary {
  position: relative;
  min-height: 112px;
  padding: 22px 64px 22px 22px;
  cursor: pointer;
  list-style: none;
  touch-action: manipulation;
  transition: background-color var(--motion-base) ease;
}
.unit-title-card:not([open]):hover {
  border-color: var(--accent-text);
  background: var(--surface-2);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
}
.unit-title-card > summary:hover { background: var(--surface-2); }
.unit-title-card > summary::-webkit-details-marker { display: none; }
.unit-title-card > summary::after {
  width: 36px;
  height: 36px;
  position: absolute;
  top: 50%;
  right: 16px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--accent-text);
  content: "+";
  font-size: 1.45rem;
  font-weight: 500;
  line-height: 1;
  transform: translateY(-50%);
  transition: background-color var(--motion-base) ease, border-color var(--motion-base) ease, transform var(--motion-base) var(--ease-spring), color var(--motion-base) ease;
}
.unit-title-card[open] > summary::after { content: "−"; }
.unit-title-card > summary:focus-visible {
  z-index: 1;
  outline: 3px solid var(--accent-text);
  outline-offset: -4px;
}
.unit-title-card > summary:focus-visible::after,
.unit-title-card > summary:hover::after {
  border-color: var(--accent-text);
  background: var(--accent);
  color: var(--on-accent);
}
.unit-title-card summary span {
  color: var(--accent-text);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.unit-title-card h2 { margin: 8px 0 0; font-size: 1.08rem; line-height: 1.35; }
.unit-lesson-list {
  display: grid;
  gap: 4px;
  margin: 0 20px 20px;
  padding-left: 28px;
}
.unit-lesson-list li { padding-left: 3px; }
.unit-lesson-list li::marker { color: var(--muted); font-size: 0.84rem; }
.unit-lesson-list a,
.unit-lesson-list li > span { color: var(--text); }
.unit-lesson-list a {
  color: var(--accent-text);
  text-decoration-line: underline;
  text-decoration-color: currentColor;
  text-underline-offset: 3px;
  transition: color 140ms ease, text-decoration-color 140ms ease;
}
.unit-lesson-list a:hover,
.unit-lesson-list a:focus-visible {
  color: var(--accent);
}
.unit-lesson-list small {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.4;
}
.unit-more-coming {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.84rem;
  font-style: italic;
}
.resource-library { min-height: 60vh; padding: 40px 0 88px; scroll-margin-top: 96px; }
.resource-heading { max-width: 700px; margin-bottom: 28px; }
.resource-heading .dashboard-eyebrow { margin-bottom: 9px; }
.resource-heading h1 { max-width: 600px; margin: 0; font-size: clamp(2rem, 5vw, 3.35rem); letter-spacing: -0.055em; line-height: 1.05; }
.resource-heading > p:not(.dashboard-eyebrow) { max-width: 560px; margin: 14px 0 16px; color: var(--muted); line-height: 1.55; }
.resource-hero-link { display: inline-flex; align-items: center; gap: 9px; color: var(--accent-text); font-weight: 700; text-decoration: none; }
.resource-hero-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.resource-search {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 24px 0 46px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface);
  transition: border-color var(--motion-fast) ease, box-shadow var(--motion-fast) ease;
}
.resource-search:focus-within { border-color: var(--accent-text); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent); }
.resource-search-icon { color: var(--accent-text); font-size: 1.65rem; line-height: 1; }
.resource-search input { width: 100%; min-width: 0; padding: 15px 0; border: 0; outline: 0; background: transparent; color: var(--text); font: inherit; }
.resource-search-hint { color: var(--muted); font-size: 0.66rem; font-weight: 750; letter-spacing: 0.08em; white-space: nowrap; }
.resource-search-empty { margin: -27px 0 32px; color: var(--muted); }
.resource-search-empty[hidden],
.resource-unit-card[hidden],
.resource-section[hidden],
.general-resource-card[hidden],
.resource-lesson-list li[hidden] { display: none; }
.resource-section + .resource-section { margin-top: 52px; }
.resource-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.resource-section-heading .dashboard-eyebrow { margin-bottom: 5px; }
.resource-section-heading h2 { margin: 0; font-size: clamp(1.4rem, 3vw, 1.8rem); letter-spacing: -0.035em; }
.resource-section-heading p:not(.dashboard-eyebrow) { margin: 5px 0 0; color: var(--muted); }
.resource-section-count { flex: 0 0 auto; padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--accent-secondary-text); font-size: 0.68rem; font-weight: 750; letter-spacing: 0.07em; }
.general-resource-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.general-resource-card {
  position: relative;
  display: grid;
  min-height: 174px;
  align-content: start;
  gap: 9px;
  padding: 19px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  transition: border-color var(--motion-base) ease, background-color var(--motion-base) ease, transform var(--motion-base) var(--ease-spring), box-shadow var(--motion-base) ease;
}
.general-resource-card:hover { transform: translateY(-3px); border-color: var(--accent-text); background: var(--surface-2); box-shadow: 0 12px 25px rgba(0, 0, 0, 0.09); }
.general-resource-card:focus-visible { outline: 3px solid var(--accent-text); outline-offset: 3px; }
.general-resource-type { color: var(--accent-secondary-text); font-size: 0.65rem; font-weight: 750; letter-spacing: 0.08em; }
.general-resource-card strong { padding-right: 22px; font-size: 1rem; line-height: 1.3; }
.general-resource-card > span:not(.general-resource-type):not(.general-resource-arrow) { max-width: 36ch; color: var(--muted); font-size: 0.84rem; line-height: 1.45; }
.general-resource-arrow { position: absolute; top: 17px; right: 17px; color: var(--accent-text); font-size: 1.1rem; }
.resource-unit-grid { margin-top: 0; gap: 12px; }
.resource-unit-card { align-self: start; }
.resource-unit-card > summary { min-height: 142px; padding: 19px 58px 19px 19px; }
.resource-unit-card summary > span:first-child { display: inline-block; margin: 0; padding: 5px 8px; border-radius: 999px; background: color-mix(in srgb, var(--accent) 12%, var(--surface)); font-size: 0.65rem; }
.resource-unit-card h2 { margin-top: 12px; font-size: 1.1rem; }
.resource-unit-summary { display: block; margin-top: 5px; color: var(--muted); font-size: 0.79rem; line-height: 1.4; }
.resource-lesson-list { gap: 8px; margin: 0 14px 16px; padding: 0; list-style: none; }
.resource-lesson-list li { position: relative; display: grid; min-height: 48px; gap: 3px; padding: 10px 11px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); }
.resource-lesson-list li::marker { content: ""; }
.resource-lesson-list li > span { color: var(--muted); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.025em; }
.resource-lesson-list a { font-size: 0.82rem; font-weight: 600; line-height: 1.4; }
.resource-lesson-list code { font-size: 0.9em; }
.resource-library[hidden] { display: none; }
.unit-lessons .unit-title-grid {
  display: block;
  margin-top: 22px;
  border-top: 1px solid var(--line);
}
.unit-lessons .lesson-unit-card {
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.unit-lessons .lesson-unit-card:not([open]):hover {
  transform: none;
  border-color: var(--line);
  background: transparent;
  box-shadow: none;
}
.unit-lessons .lesson-unit-card > summary { min-height: 0; padding: 18px 58px 18px 8px; }
.unit-lessons .lesson-unit-card > summary:hover { background: color-mix(in srgb, var(--accent) 5%, transparent); }
.unit-lessons .lesson-unit-card > summary::after { right: 8px; }
.unit-lessons .lesson-unit-card h2 { margin-top: 6px; }
.unit-lessons .unit-lesson-list {
  gap: 0;
  margin: 0 20px 14px 8px;
  padding: 0;
  list-style: none;
}
.unit-lessons .unit-lesson-list li {
  padding: 0;
  border-top: 1px solid var(--line);
}
.unit-lessons .unit-lesson-list li::marker { content: ""; }
.unit-lessons .unit-lesson-list li:hover { background: color-mix(in srgb, var(--accent) 5%, transparent); }
.unit-lessons .unit-lesson-list a {
  display: flex;
  min-height: 46px;
  align-items: center;
  padding: 8px 10px;
  text-decoration: none;
}
.unit-lessons .unit-lesson-list a:hover,
.unit-lessons .unit-lesson-list a:focus-visible { text-decoration: underline; text-underline-offset: 3px; }
.lesson-search { margin: 22px 0 20px; }
.lesson-search-empty { margin: 0 0 20px; color: var(--muted); }
.lesson-search-empty[hidden],
.lesson-unit-card[hidden],
.lesson-unit-card [data-lesson-search][hidden] { display: none; }
.gamification-view { min-height: 60vh; padding: 76px 0 88px; scroll-margin-top: 96px; }
.gamification-page-heading { margin-bottom: 28px; }
.gamification-view .dashboard-eyebrow,
.unit-lessons > .dashboard-eyebrow { color: var(--accent-text); }
.arcade-empty-state { display: grid; justify-items: center; padding: 52px 20px 58px; text-align: center; }
.arcade-controller-art { display: grid; width: 112px; height: 96px; place-items: center; margin-bottom: 12px; border-radius: 28px; background: color-mix(in srgb, var(--accent) 9%, var(--surface)); color: var(--accent-text); }
.arcade-controller-art svg { display: block; width: 78px; height: 58px; }
.arcade-empty-kicker { margin: 0 0 6px; color: var(--accent-secondary-text); font-size: 0.68rem; font-weight: 750; letter-spacing: 0.12em; }
.arcade-empty-state h3 { margin: 0; font-size: clamp(1.2rem, 3vw, 1.55rem); letter-spacing: -0.025em; }
.arcade-empty-state > p:last-child { max-width: 470px; margin: 9px 0 0; color: var(--muted); line-height: 1.55; }
.code-rush-card { position: relative; max-width: 860px; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.code-squad-card { margin-top: 16px; }
.code-squad-card .dashboard-eyebrow { margin: 0 0 4px; font-size: 0.68rem; }
.code-squad-dialog { max-width: 720px; }
.code-squad-roster { margin-bottom: 18px; }
.code-squad-pick .quiz-unit-tile-title > span:last-child { color: var(--muted); font-size: 0.72rem; }
.code-squad-pick .quiz-unit-tile-title > small { color: var(--muted); font-size: 0.68rem; line-height: 1.4; }
.code-squad-difficulties { display: grid; gap: 8px; margin: 0; padding: 0; border: 0; }
.code-squad-difficulties legend { margin-bottom: 8px; font-weight: 750; }
.code-squad-difficulties label { display: flex; gap: 10px; align-items: center; padding: 11px 13px; border: 1px solid var(--line); border-radius: 11px; background: var(--surface); cursor: pointer; }
.code-squad-difficulties label:has(input:checked) { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 7%, var(--surface)); }
.code-squad-difficulties input { accent-color: var(--accent); }
.code-squad-difficulties label > span { display: grid; gap: 2px; }
.code-squad-difficulties small { color: var(--muted); }
.code-squad-dialog .quiz-unit-actions { justify-content: flex-end; }
.code-squad-dialog .quiz-continue { min-width: 150px; }
.code-squad-page .code-squad-main { width: min(1160px, calc(100% - 48px)); }
.code-squad-page .code-squad-main {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  align-content: start;
  align-items: start;
  column-gap: 14px;
  row-gap: 14px;
}
.code-squad-page .code-rush-page-heading,
.code-squad-page .code-squad-hud { grid-column: 1 / -1; }
.code-squad-page .code-squad-battlefield {
  grid-column: 1;
  grid-row: 3;
  grid-template-columns: 1fr;
  align-content: start;
}
.code-squad-page .duel-console {
  grid-column: 2;
  grid-row: 3;
  position: sticky;
  top: 108px;
  max-height: calc(100vh - 124px);
  max-height: calc(100dvh - 124px);
  overflow-y: auto;
  margin-top: 0;
  scroll-margin-top: 108px;
}
.code-squad-page .duel-battle-log { grid-column: 1; margin-top: 0; }
.code-squad-hud { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-bottom: 16px; }
.code-squad-hud > div, .duel-team, .duel-console, .duel-battle-log { padding: 15px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.code-squad-hud > div { display: grid; gap: 3px; }
.code-squad-hud > div span { color: var(--muted); font-size: 0.66rem; font-weight: 750; letter-spacing: 0.09em; }
.code-squad-hud > div strong { font-size: 1.15rem; font-variant-numeric: tabular-nums; }
.duel-cpu-track { height: 7px; overflow: hidden; border-radius: 999px; background: var(--surface-2); }
.duel-cpu-track > span { display: block; width: 25%; height: 100%; border-radius: inherit; background: var(--accent); transition: width 180ms ease; }
.code-squad-hud > p { grid-column: 1 / -1; margin: 0; color: var(--accent-text); font-weight: 700; }
.code-squad-battlefield { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.duel-team h2, .duel-battle-log h2 { display: flex; justify-content: space-between; gap: 8px; margin: 0 0 12px; font-size: 1rem; }
.duel-team-header { align-items: center; }
.duel-team-header > span:last-child { color: var(--muted); font-size: 0.75rem; white-space: nowrap; }
.duel-team-actions { display: flex; align-items: center; gap: 8px; margin: 8px 0 10px; }
.duel-syntax-attack { min-height: 36px; padding-inline: 12px; border-color: color-mix(in srgb, var(--good) 55%, var(--line)); }
.duel-team-identity { display: flex; min-width: 0; align-items: center; gap: 9px; }
.duel-team-avatar { width: 42px; height: 42px; flex: 0 0 auto; border: 1px solid var(--line); border-radius: 50%; background: var(--surface-2); object-fit: cover; }
.duel-team-name { display: grid; min-width: 0; gap: 2px; }
.duel-team-name strong { overflow: hidden; font-size: 0.9rem; text-overflow: ellipsis; white-space: nowrap; }
.duel-team-name small { color: var(--muted); font-size: 0.66rem; font-weight: 600; }
.duel-team-name .duel-profile-error { color: var(--error); font-size: 0.6rem; }
.duel-team-health-track { height: 12px; overflow: hidden; margin-bottom: 10px; border-radius: 999px; background: var(--surface-2); }
.duel-team-health-track > span { display: block; width: 100%; height: 100%; border-radius: inherit; background: var(--good); transition: width 220ms ease; }
.duel-enemy-team .duel-team-health-track > span { background: var(--error); }
.duel-roster { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.duel-fighter { display: grid; min-width: 0; gap: 7px; padding: 11px; border: 1px solid var(--line); border-radius: 11px; background: var(--bg); color: var(--text); font: inherit; text-align: left; }
.duel-command-button:disabled { cursor: not-allowed; opacity: 0.55; }
.duel-fighter-heading { display: grid; gap: 2px; }
.duel-fighter-heading strong { font-size: 0.82rem; }
.duel-fighter-heading small { color: var(--muted); font-size: 0.68rem; }
.duel-enemy-team { border-color: color-mix(in srgb, var(--error) 28%, var(--line)); }
.duel-team-hint { margin: -4px 0 10px; color: var(--muted); font-size: 0.72rem; }
.duel-ability-description { margin: 0; color: var(--muted); font-size: 0.67rem; line-height: 1.4; }
.duel-command-controls { display: grid; gap: 5px; min-width: 0; }
.duel-command-control { display: flex; align-items: center; justify-content: space-between; gap: 5px; min-width: 0; }
.duel-command-button { min-height: 31px; min-width: 0; flex: 1; padding: 5px 6px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); color: var(--text); font: inherit; font-size: 0.67rem; font-weight: 750; text-align: center; cursor: pointer; }
.duel-command-button { border-color: color-mix(in srgb, var(--accent-text) 45%, var(--line)); }
.duel-command-button:disabled { opacity: 0.55; }
.duel-command-cooldown { min-width: 40px; color: var(--muted); font-size: 0.6rem; text-align: right; white-space: nowrap; }
.duel-enemy-patch { display: grid; gap: 5px; margin: 9px 0; padding: 10px; border: 1px solid color-mix(in srgb, var(--error) 42%, var(--line)); border-radius: 9px; background: color-mix(in srgb, var(--error) 7%, var(--surface)); }
.duel-enemy-patch[hidden] { display: none; }
.duel-enemy-patch > strong { color: var(--error); font-size: 0.72rem; }
.duel-enemy-patch > p { margin: 0; color: var(--muted); font-size: 0.7rem; }
.duel-enemy-patch > pre { max-height: 130px; overflow: auto; margin: 0; padding: 7px; border-radius: 6px; background: var(--bg); color: var(--text); font: 0.62rem/1.4 Consolas, "Cascadia Code", monospace; white-space: pre-wrap; }
.duel-enemy-patch-clock { color: var(--error); font-size: 0.67rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.duel-console, .duel-battle-log { margin-top: 14px; }
.duel-console-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.duel-console-heading .dashboard-eyebrow { margin: 0 0 4px; color: var(--accent-text); font-size: 0.66rem; font-weight: 750; letter-spacing: 0.1em; }
.duel-console-heading h2 { margin: 0; font-size: 1.1rem; }
.duel-repair-clock { padding: 7px 10px; border-radius: 8px; background: color-mix(in srgb, var(--error) 12%, var(--surface)); color: var(--error); font-size: 0.75rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.duel-repair-prompt { color: var(--muted); line-height: 1.45; }
.duel-code-label { display: block; margin-bottom: 6px; font-size: 0.8rem; font-weight: 700; }
.duel-console textarea { display: block; box-sizing: border-box; width: 100%; min-height: 210px; resize: vertical; padding: 14px; border: 1px solid var(--line); border-radius: 10px; background: #10151f; color: #e7edf8; font: 0.84rem/1.55 Consolas, "Cascadia Code", monospace; tab-size: 4; }
.duel-console textarea:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 2px; }
.duel-code-hint { margin: 6px 0; color: var(--muted); font-size: 0.72rem; }
.duel-terminal-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.duel-terminal-actions .btn { min-height: 42px; }
.duel-feedback { min-height: 1.3em; margin: 9px 0 0; font-size: 0.82rem; font-weight: 700; }
.duel-feedback.is-error { color: var(--error); }
.duel-battle-log ol { display: grid; gap: 6px; max-height: 190px; overflow: auto; margin: 0; padding-left: 22px; color: var(--muted); font-size: 0.76rem; line-height: 1.4; }
.duel-results {
  position: fixed;
  inset: 0;
  box-sizing: border-box;
  width: 100vw;
  max-width: none;
  height: 100vh;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: clamp(24px, 6vh, 64px) clamp(18px, 6vw, 72px);
  overflow: auto;
  border: 0;
  border-radius: 0;
  background: var(--background);
  color: var(--text);
  text-align: center;
}
.duel-results::backdrop { background: rgb(4 7 12 / 94%); }
.duel-results .code-rush-ceremony { width: min(100%, 760px); min-height: 100%; margin: auto; padding: 20px; }
.duel-results h2 { margin: 8px 0; }
.duel-results p { color: var(--muted); }
body.code-squad-page.duel-complete { display: block; min-height: 100vh; }
body.code-squad-page.duel-complete > :not(#duel-results) { display: none !important; }
.duel-results::backdrop { background: var(--background); }
.duel-countdown {
  position: fixed;
  z-index: 10000;
  inset: 0;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  color: var(--accent-text);
  opacity: 1;
  backdrop-filter: blur(7px);
  pointer-events: none;
  transition: opacity 450ms ease;
}
.duel-countdown[hidden] { display: none; }
.duel-countdown > span {
  font-size: clamp(5rem, 20vw, 10rem);
  font-weight: 850;
  line-height: 1;
  text-shadow: 0 8px 34px color-mix(in srgb, var(--accent-text) 32%, transparent);
}
.duel-countdown > span.is-counting { animation: countdown-pop 850ms ease both; }
.duel-countdown.is-fading { opacity: 0; }
.code-squad-page .code-rush-page-heading { margin-bottom: 20px; }
.code-squad-page .code-rush-page-heading h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
.code-squad-page .code-rush-page-main { padding-bottom: 48px; }
.code-squad-page .duel-results .btn { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; padding: 0 18px; text-decoration: none; }
.code-squad-page .duel-leave-link { text-decoration: none; }
@media (max-width: 900px) {
  .code-squad-page .code-squad-main { grid-template-columns: minmax(0, 1fr); }
  .code-squad-page .code-rush-page-heading,
  .code-squad-page .code-squad-hud,
  .code-squad-page .duel-console,
  .code-squad-page .code-squad-battlefield,
  .code-squad-page .duel-battle-log {
    grid-column: 1;
  }
  .code-squad-page .duel-console { grid-row: 3; }
  .code-squad-page .code-squad-battlefield { grid-row: 4; }
  .code-squad-page .duel-battle-log { grid-row: 5; }
  .code-squad-page .duel-console {
    position: static;
    max-height: none;
    overflow: visible;
    margin-top: 0;
  }
}
@media (max-width: 760px) {
  .code-squad-page .code-squad-battlefield { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .code-squad-card .code-rush-card-body { padding: 17px; }
  .code-squad-dialog .quiz-format-content { padding: 22px 17px; }
  .code-squad-page .code-squad-main { width: min(1160px, calc(100% - 24px)); padding-top: 120px; }
  .code-squad-page .code-squad-hud { gap: 6px; }
  .code-squad-page .code-squad-hud > div { padding: 10px; }
  .code-squad-page .code-squad-hud > div strong { font-size: 1rem; }
  .code-squad-page .duel-team, .code-squad-page .duel-console, .code-squad-page .duel-battle-log { padding: 13px; }
  .code-squad-page .duel-roster { gap: 6px; }
  .code-squad-page .duel-fighter { padding: 9px; }
  .code-squad-page .duel-command-button { font-size: 0.62rem; }
  .code-squad-page .duel-terminal-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .code-squad-page .duel-terminal-actions .btn { min-width: 0; padding-inline: 10px; }
}
.code-rush-page .dashboard-eyebrow { color: var(--accent-text); }
body.code-rush-page { display: flex; flex-direction: column; justify-content: flex-start; min-height: 100vh; height: auto; }
.code-rush-page-main { width: min(860px, calc(100% - 48px)); min-height: 60vh; flex: 1 0 auto; margin: 0 auto; padding: 144px 0 76px; }
.code-rush-page-heading { margin-bottom: 28px; }
.code-rush-page-heading h1 { font-size: clamp(2rem, 5vw, 3rem); }
.code-rush-countdown {
  position: fixed;
  z-index: 10000;
  inset: 0;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  color: var(--accent-text);
  opacity: 1;
  backdrop-filter: blur(7px);
  pointer-events: none;
  transition: opacity 450ms ease, background-color 450ms ease;
}
.code-rush-countdown[hidden] { display: none; }
.code-rush-countdown > span {
  font-size: clamp(5rem, 20vw, 10rem);
  font-weight: 850;
  line-height: 1;
  text-shadow: 0 8px 34px color-mix(in srgb, var(--accent-text) 32%, transparent);
  animation: countdown-pop 850ms ease both;
}
.code-rush-countdown.is-fading { opacity: 0; }
@keyframes countdown-pop {
  from { opacity: 0.25; transform: scale(0.72); }
  35% { opacity: 1; transform: scale(1.08); }
  to { opacity: 1; transform: scale(1); }
}
.code-rush-play { padding: 20px 22px 22px; }
.code-rush-results { padding: 28px 22px 22px; }
.code-rush-image { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.code-rush-card-body { padding: 20px 22px 22px; }
.code-rush-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.code-rush-heading .dashboard-eyebrow { margin: 0 0 4px; font-size: 0.68rem; }
.code-rush-heading h2 { margin: 0; font-size: clamp(1.5rem, 4vw, 1.9rem); letter-spacing: -0.04em; line-height: 1.2; }
.code-rush-heading .btn { min-width: 112px; min-height: 46px; }
.code-rush-rules { margin: 10px 0 0; color: var(--muted); font-size: 0.88rem; }
.code-rush-dialog-rules { margin: 16px 0 0; color: var(--muted); font-size: 0.85rem; }
.code-rush-unit-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.code-rush-unit-option {
  display: grid;
  align-content: center;
  gap: 5px;
  min-height: 72px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 150ms ease, background 150ms ease, transform 150ms ease;
}
.code-rush-unit-option:hover { transform: translateY(-1px); border-color: var(--accent-text); background: var(--surface-2); }
.code-rush-unit-option:focus-visible { outline: 3px solid var(--accent-text); outline-offset: 2px; }
.code-rush-unit-option.is-selected { border-color: var(--accent-text); background: var(--surface-2); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent-text) 25%, transparent); }
.code-rush-unit-option strong { font-size: 0.98rem; }
.code-rush-unit-option span { color: var(--muted); font-size: 0.86rem; }
.code-rush-dialog .quiz-format-actions .btn { min-height: 44px; padding: 0 18px; }
.code-rush-play { padding-top: 20px; }
.code-rush-topline { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 0.84rem; font-weight: 700; }
.code-rush-timer { font-variant-numeric: tabular-nums; font-size: 1.15rem; }
.code-rush-timer.is-low { color: var(--error); }
.code-rush-timer-track { height: 8px; margin: 9px 0 22px; overflow: hidden; border-radius: 999px; background: var(--surface-2); }
.code-rush-timer-track > span { display: block; width: 100%; height: 100%; border-radius: inherit; background: var(--accent); transition: width 160ms linear, background-color 180ms ease; }
.code-rush-timer-track.is-low > span { background: var(--error); }
.code-rush-play h2 { margin: 0 0 17px; font-size: clamp(1.15rem, 2.5vw, 1.45rem); line-height: 1.45; }
.code-rush-answers { display: grid; gap: 9px; }
.code-rush-answer { display: flex; width: 100%; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 11px; background: var(--surface); color: var(--text); text-align: left; font: inherit; cursor: pointer; transition: border-color var(--motion-fast) ease, background-color var(--motion-fast) ease, transform var(--motion-fast) var(--ease-spring); }
.code-rush-answer:hover:not(:disabled) { transform: translateX(3px); border-color: var(--accent-text); background: var(--surface-2); }
.code-rush-answer:disabled { cursor: default; }
.code-rush-answer.is-correct { border-color: var(--good); background: color-mix(in srgb, var(--good) 10%, var(--surface)); }
.code-rush-answer.is-incorrect { border-color: var(--error); background: color-mix(in srgb, var(--error) 9%, var(--surface)); }
.code-rush-answer-key { display: grid; width: 27px; height: 27px; flex: 0 0 auto; place-items: center; border-radius: 8px; background: var(--surface-2); color: var(--muted); font-size: 0.76rem; font-weight: 750; }
.code-rush-feedback { min-height: 1.4em; margin: 13px 0 0; font-weight: 700; }
.code-rush-feedback.is-correct { color: var(--good); }
.code-rush-feedback.is-incorrect { color: var(--error); }
.code-rush-results { padding: 28px 0 0; }
.code-rush-page .code-rush-results { padding: 28px 22px 22px; }
.code-rush-ceremony {
  min-height: 0;
  align-content: start;
  margin: 0;
  padding: 28px 20px;
}
.code-rush-result-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 22px;
}
.code-rush-result-actions[hidden] { display: none; }
.code-rush-results h2 { margin: 0; font-size: 1.5rem; }
.code-rush-results > p:not(.dashboard-eyebrow) { color: var(--muted); }
.code-rush-error { margin: 12px 0 0; color: var(--error); }
.code-rush-error[hidden] { display: none; }
.code-rush-launch[hidden], .code-rush-play[hidden], .code-rush-results[hidden] { display: none; }
.code-rush-error[hidden] { display: none; }
@media (max-width: 520px) {
  .gamification-view { padding: 42px 0 64px; }
  .code-rush-page-main { width: min(860px, calc(100% - 24px)); padding: 120px 0 56px; }
  .code-rush-card-body { padding: 17px; }
  .code-rush-play { padding: 17px; }
  .code-rush-results { padding: 24px 17px 17px; }
  .code-rush-page .code-rush-results { padding: 24px 17px 17px; }
  .code-rush-ceremony { padding: 20px 4px; }
  .code-rush-heading { align-items: flex-start; }
  .code-rush-heading .btn { min-width: 88px; }
  .code-rush-unit-options { grid-template-columns: minmax(0, 1fr); }
}

.resource-section-heading { align-items: center; }
.general-resource-grid {
  display: block;
  border-top: 1px solid var(--line);
}
.general-resource-card {
  display: grid;
  min-height: 0;
  grid-template-columns: minmax(150px, 0.8fr) minmax(180px, 1fr) minmax(240px, 2fr) 20px;
  align-items: center;
  gap: 12px;
  padding: 15px 10px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.general-resource-card:hover {
  transform: none;
  border-color: var(--line);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
  box-shadow: none;
}
.general-resource-card strong { padding: 0; }
.general-resource-card > span:not(.general-resource-type):not(.general-resource-arrow) { max-width: none; }
.general-resource-arrow { position: static; justify-self: end; }
.resource-unit-grid {
  display: block;
  border-top: 1px solid var(--line);
}
.resource-unit-card,
.resource-unit-card:nth-child(n) {
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.resource-unit-card > summary { min-height: 0; padding: 18px 58px 18px 8px; }
.resource-unit-card > summary:hover { background: color-mix(in srgb, var(--accent) 5%, transparent); }
.resource-unit-card > summary::after { right: 8px; }
.resource-unit-card summary > span:first-child { padding: 0; border-radius: 0; background: transparent; }
.resource-unit-card h2 { margin-top: 6px; }
.resource-unit-summary { margin-top: 3px; }
.resource-lesson-list {
  gap: 0;
  margin: 0 20px 14px 8px;
}
.resource-lesson-list li {
  grid-template-columns: minmax(140px, 0.7fr) minmax(0, 2fr);
  align-items: center;
  gap: 12px;
  padding: 10px 8px;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}
.resource-lesson-list li:hover { background: color-mix(in srgb, var(--accent) 5%, transparent); }
.resource-lesson-list li:focus-within { outline: 2px solid var(--accent-text); outline-offset: 2px; }
.resource-lesson-list li > a::after { position: absolute; inset: 0; content: ""; }

.dashboard-heading { margin-bottom: 32px; }
.dashboard-eyebrow {
  margin: 0 0 8px;
  color: var(--accent-secondary-text);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.dashboard-heading h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.045em;
}
.dashboard-heading > p:last-child { margin: 12px 0 0; color: var(--muted); }
.create-quiz-card {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 24px;
  border: 1px solid color-mix(in srgb, var(--accent) 24%, var(--line));
  border-radius: 18px;
  background: color-mix(in srgb, var(--accent) 8%, var(--surface));
  color: var(--text);
  font: inherit;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: border-color var(--motion-base) ease, background-color var(--motion-base) ease, transform var(--motion-base) var(--ease-spring), box-shadow var(--motion-base) ease;
}
.create-quiz-card:not(:disabled):hover {
  border-color: var(--accent-text);
  background: var(--surface-2);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.1);
}
.create-quiz-card:disabled { opacity: 0.7; cursor: not-allowed; }
.create-quiz-icon {
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 1.8rem;
  line-height: 1;
}
.create-quiz-copy { display: grid; gap: 4px; flex: 1; }
.create-quiz-copy strong { font-size: 1.08rem; }
.create-quiz-copy > span { color: var(--muted); font-size: 0.94rem; }
.create-quiz-arrow { color: var(--accent-secondary-text); font-size: 1.35rem; }
.saved-quizzes { margin-top: 52px; }
.saved-quizzes-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}
.saved-quizzes-heading h2 { margin: 0; font-size: 1.35rem; letter-spacing: -0.025em; }
.saved-quizzes-heading > span { color: var(--muted); font-size: 0.84rem; }
.quiz-empty-state {
  min-height: 190px;
  display: grid;
  align-content: center;
  justify-items: center;
  padding: 24px;
  border: 1px dashed var(--line);
  border-radius: 16px;
  background: var(--surface);
  text-align: center;
}
.empty-state-icon {
  width: 32px;
  height: 32px;
  object-fit: contain;
  filter: invert(1);
}
[data-theme="light"] .empty-state-icon { filter: none; }
.quiz-empty-state p { margin: 12px 0 2px; font-weight: 650; }
.quiz-empty-state > span:last-child { color: var(--muted); font-size: 0.9rem; }
.saved-quiz-list { display: grid; gap: 10px; }
.saved-quiz-row { display: flex; align-items: stretch; gap: 8px; min-width: 0; }
.quiz-empty-state[hidden], .saved-quiz-list[hidden] { display: none; }
.saved-quiz-card {
  min-width: 0;
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  color: var(--text);
  text-align: left;
  font: inherit;
  cursor: pointer;
  transition:
    border-color var(--motion-base) ease,
    background-color var(--motion-base) ease,
    transform var(--motion-base) var(--ease-spring),
    box-shadow var(--motion-base) ease;
}
.saved-quiz-card:hover { border-color: var(--accent-text); background: var(--surface-2); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08); }
.saved-quiz-row { animation: card-enter 360ms var(--ease-smooth) both; }
.saved-quiz-row:nth-child(2) { animation-delay: 35ms; }
.saved-quiz-row:nth-child(3) { animation-delay: 70ms; }
.saved-quiz-row:nth-child(4) { animation-delay: 105ms; }
.saved-quiz-delete {
  flex: 0 0 auto;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--error);
  font: inherit;
  cursor: pointer;
  transition: color var(--motion-fast) ease, border-color var(--motion-fast) ease, background-color var(--motion-fast) ease, transform var(--motion-fast) var(--ease-spring);
}
.saved-quiz-delete:hover { border-color: var(--error); background: var(--surface-2); transform: translateY(-1px); }
.saved-quiz-delete:active { transform: scale(0.97); }
.saved-quiz-card-copy { min-width: 0; display: grid; gap: 4px; }
.saved-quiz-card-copy strong { overflow-wrap: anywhere; }
.saved-quiz-card-copy > span { color: var(--muted); font-size: 0.86rem; }
.saved-quiz-card-score { flex: 0 0 auto; color: var(--accent-text); font-size: 1.15rem; }
.saved-quiz-error, .saved-attempt-status.save-error { color: var(--error); }
.saved-quiz-dialog {
  width: min(920px, calc(100% - 32px));
  max-height: min(85vh, 900px);
  padding: 0;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--bg);
  color: var(--text);
}
.saved-quiz-dialog[open],
.quiz-format-dialog[open],
.rank-dialog[open],
.incomplete-submit-warning[open] {
  animation: dialog-enter 260ms var(--ease-smooth) both;
}
dialog[open]::backdrop { animation: backdrop-enter 220ms ease-out both; }
@keyframes dialog-enter {
  from { opacity: 0; transform: translateY(12px) scale(0.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes backdrop-enter {
  from { background-color: transparent; backdrop-filter: blur(0); }
  to { backdrop-filter: blur(4px); }
}
.saved-quiz-dialog::backdrop { background: rgba(5, 8, 14, 0.68); backdrop-filter: blur(4px); }
.saved-quiz-dialog-content { position: relative; padding: 28px; }
.saved-quiz-dialog-content h2 { max-width: calc(100% - 44px); margin: 0; }
.saved-quiz-date { color: var(--muted); }
.saved-quiz-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 12px 0; }
#saved-quiz-copy-status { color: var(--muted); font-size: 0.88rem; }
.saved-quiz-dialog .test-review-list { padding-bottom: 8px; }
.test-question,
.paper-question,
.test-review-item {
  animation: card-enter 360ms var(--ease-smooth) both;
}
.test-question:nth-child(2),
.paper-question:nth-child(2),
.test-review-item:nth-child(2) { animation-delay: 35ms; }
.test-question:nth-child(3),
.paper-question:nth-child(3),
.test-review-item:nth-child(3) { animation-delay: 70ms; }
.test-question:nth-child(4),
.paper-question:nth-child(4),
.test-review-item:nth-child(4) { animation-delay: 105ms; }
@keyframes card-enter {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.saved-attempt-status { margin: 0 0 8px; color: var(--good); font-weight: 650; }
.saved-attempt-status.save-error { color: var(--error); }
.quiz-format-dialog {
  position: relative;
  width: min(620px, calc(100% - 32px));
  max-width: none;
  max-height: min(88vh, 820px);
  padding: 0;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--bg);
  color: var(--text);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
}
.quiz-format-dialog::backdrop { background: rgba(5, 8, 14, 0.66); backdrop-filter: blur(4px); }
.upgrade-dialog {
  width: min(1180px, calc(100% - 32px));
  max-width: none;
  max-height: min(90vh, 940px);
  padding: 0;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--bg);
  color: var(--text);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
}
.upgrade-dialog::backdrop { background: rgba(5, 8, 14, 0.72); backdrop-filter: blur(4px); }
.upgrade-dialog[open] { animation: dialog-enter 260ms var(--ease-smooth) both; }
.upgrade-dialog-content { position: relative; padding: 30px; }
.upgrade-dialog-content > .dashboard-eyebrow { margin-bottom: 5px; }
.upgrade-dialog-content > h2 {
  margin: 0;
  font-size: clamp(1.6rem, 4vw, 2rem);
  letter-spacing: -0.035em;
}
.upgrade-dialog-description { max-width: 650px; margin: 8px 44px 22px 0; color: var(--muted); }
.upgrade-tier-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  gap: 14px;
}
.upgrade-tier {
  position: relative;
  isolation: isolate;
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  padding: 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}
.upgrade-tier::before,
.upgrade-tier::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  pointer-events: none;
}
.upgrade-tier::before {
  background-position: center;
  background-size: cover;
  filter: blur(2px);
  transform: scale(1.035);
  opacity: 0.7;
}
.upgrade-tier::after {
  background: transparent;
}
.upgrade-tier-pro { border-color: color-mix(in srgb, #638dff 52%, var(--line)); }
.upgrade-tier-pro::before { background-image: url("/assets/pro-tier-image.png"); }
.upgrade-tier-pro::after { background: rgba(18, 37, 77, 0.7); }
.upgrade-tier-sigma { border-color: color-mix(in srgb, #bc8cff 52%, var(--line)); }
.upgrade-tier-sigma::before { background-image: url("/assets/sigma-tier-image.png"); }
.upgrade-tier-sigma::after { background: rgba(57, 29, 83, 0.7); }
.upgrade-tier-pro,
.upgrade-tier-sigma { color: #f8fafc; }
.upgrade-tier-pro .upgrade-tier-price,
.upgrade-tier-sigma .upgrade-tier-price { color: #b9d0ff; }
.upgrade-tier-pro .upgrade-tier-action,
.upgrade-tier-sigma .upgrade-tier-action { border-color: rgba(248, 250, 252, 0.42); color: #f8fafc; }
.upgrade-tier-current { border-color: color-mix(in srgb, var(--accent-text) 42%, var(--line)); }
.upgrade-tier-badge {
  margin: -3px 0 7px;
  padding: 3px 9px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  color: var(--accent-secondary-text);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.upgrade-tier h3 { margin: 0; font-size: 1.25rem; letter-spacing: -0.02em; }
.upgrade-tier-price { margin: 5px 0 16px; color: var(--accent-text); font-size: 1.05rem; font-weight: 750; }
.upgrade-tier-includes { margin: -7px 0 16px; font-size: 0.8rem; line-height: 1.45; }
.upgrade-tier ul { display: grid; gap: 9px; margin: 0 0 20px; padding: 0; list-style: none; }
.upgrade-tier li { position: relative; padding-left: 22px; font-size: 0.84rem; line-height: 1.45; }
.upgrade-tier li::before {
  position: absolute;
  left: 0;
  color: #86efac;
  content: "✓";
  font-weight: 800;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}
.upgrade-tier li.upgrade-tier-maybe::before {
  content: "🤷";
  font-size: 0.9rem;
  line-height: 1.4;
  text-shadow: none;
}
.upgrade-tier-action { width: 100%; margin-top: auto; }
.upgrade-tier-action:disabled { opacity: 0.72; }
.upgrade-tier-note { margin: 9px 0 0; font-size: 0.75rem; line-height: 1.4; }
.sigma-tier-price {
  display: flex;
  min-height: 30px;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px;
  font-size: 0.86rem;
}
.sigma-price-formula { max-width: 100%; font-size: 0.64rem; white-space: nowrap; }
.quiz-format-content { padding: 28px; }
.quiz-format-content h2 {
  margin: 0;
  font-size: clamp(1.5rem, 5vw, 1.9rem);
  letter-spacing: -0.035em;
}
.quiz-format-intro { margin: 8px 0 20px; color: var(--muted); }
.quiz-format-preview {
  width: 100%;
  max-height: 240px;
  margin: 0 0 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-2);
}
.quiz-format-preview[hidden] { display: none; }
.quiz-format-preview img {
  display: block;
  width: 100%;
  max-height: 230px;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}
.quiz-format-options { display: grid; gap: 10px; }
.quiz-format-options#quiz-format-options { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.quiz-scope-step[hidden],
.quiz-units-step[hidden],
.quiz-format-options[hidden] { display: none; }
.quiz-format-option {
  position: relative;
  display: grid;
  align-content: center;
  gap: 5px;
  width: 100%;
  min-height: 92px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 150ms ease, background 150ms ease, transform 150ms ease;
}
.quiz-format-option:hover {
  transform: translateY(-1px);
  border-color: var(--accent-text);
  background: var(--surface-2);
}
.quiz-format-option:focus-visible { outline: 3px solid var(--accent-text); outline-offset: 2px; }
.quiz-format-option.is-selected {
  border-color: var(--accent-text);
  background: var(--surface-2);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent-text) 25%, transparent);
}
.quiz-format-option strong { font-size: 1rem; }
.quiz-format-option span { color: var(--muted); font-size: 0.9rem; }
.quiz-format-actions { display: flex; justify-content: flex-end; margin-top: 18px; }
.quiz-format-actions[hidden] { display: none; }
.quiz-dialog-close {
  position: absolute;
  top: 17px;
  right: 18px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  transition: color var(--motion-fast) ease, border-color var(--motion-fast) ease, background-color var(--motion-fast) ease, transform var(--motion-fast) var(--ease-spring);
}
.quiz-dialog-close:hover { background: var(--surface-2); border-color: var(--accent-text); transform: rotate(8deg); }
.quiz-dialog-close:active { transform: scale(0.92); }
.quiz-format-back {
  margin: 18px 0 0;
  min-height: 44px;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font: inherit;
  cursor: pointer;
}
.quiz-format-back:hover { background: var(--surface-2); }
.quiz-unit-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}
.quiz-unit-heading p { margin: 0; color: var(--muted); }
.quiz-unit-heading .quiz-unit-heading-title { color: var(--text); font-weight: 700; }
.quiz-unit-heading .quiz-unit-heading-help { margin-top: 3px; font-size: 0.82rem; line-height: 1.4; }
.quiz-unit-heading .quiz-unit-selection-count {
  display: inline-flex;
  width: fit-content;
  margin-top: 8px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--accent-text);
  font-size: 0.72rem;
  font-weight: 700;
}
.quiz-select-all {
  flex: 0 0 auto;
  padding: 8px 13px;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--line));
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--accent-text);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 650;
  cursor: pointer;
}
.quiz-select-all:hover { background: var(--surface-2); }
.quiz-unit-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}
.quiz-unit-tile {
  position: relative;
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  min-width: 0;
  min-height: 86px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  cursor: pointer;
  transition: border-color 150ms ease, background 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}
.quiz-unit-tile:hover { transform: translateY(-1px); border-color: var(--accent-text); box-shadow: 0 5px 14px rgba(18, 31, 56, 0.08); }
.quiz-unit-tile.is-selected {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 7%, var(--surface));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 24%, transparent);
}
.quiz-unit-tile:has(input:focus-visible) { outline: 2px solid var(--accent-text); outline-offset: 2px; }
.quiz-unit-tile input {
  appearance: none;
  width: 20px;
  height: 20px;
  display: grid;
  place-content: center;
  margin: 0;
  border: 1.5px solid var(--muted);
  border-radius: 6px;
  background: var(--bg);
  cursor: pointer;
}
.quiz-unit-tile input::before {
  width: 10px;
  height: 6px;
  border: solid white;
  border-width: 0 0 2px 2px;
  content: "";
  transform: rotate(-45deg) scale(0);
  transition: transform 120ms ease;
}
.quiz-unit-tile input:checked { border-color: var(--accent); background: var(--accent); }
.quiz-unit-tile input:checked::before { transform: rotate(-45deg) scale(1); }
.quiz-unit-tile-title { min-width: 0; display: grid; gap: 3px; }
.quiz-unit-tile-number { color: var(--accent-text); font-size: 0.65rem; font-weight: 750; letter-spacing: 0.08em; }
.quiz-unit-tile-title strong { overflow-wrap: anywhere; font-size: 0.82rem; line-height: 1.25; }
.quiz-unit-tile-lessons { grid-column: 2; margin-top: -5px; color: var(--muted); font-size: 0.7rem; }
.quiz-lesson-selection { margin-top: 17px; }
.quiz-lesson-selection[hidden] { display: none; }
.quiz-lesson-selection-heading { margin-bottom: 8px; }
.quiz-lesson-selection-heading h3 { display: flex; align-items: center; gap: 8px; margin: 0; font-size: 0.92rem; }
.quiz-lesson-selection-heading h3 span { padding: 2px 7px; border-radius: 999px; background: var(--surface-2); color: var(--muted); font-size: 0.65rem; font-weight: 650; }
.quiz-lesson-selection-heading p { margin: 3px 0 0; color: var(--muted); font-size: 0.78rem; }
.quiz-lesson-groups { display: grid; gap: 7px; }
.quiz-lesson-group[hidden] { display: none; }
.quiz-lesson-group {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}
.quiz-lesson-group > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  cursor: pointer;
  list-style: none;
}
.quiz-lesson-group > summary::-webkit-details-marker { display: none; }
.quiz-lesson-group > summary:focus-visible { outline: 2px solid var(--accent-text); outline-offset: -3px; }
.quiz-lesson-group > summary strong { font-size: 0.78rem; }
.quiz-lesson-count { margin-left: auto; color: var(--muted); font-size: 0.7rem; white-space: nowrap; }
.quiz-lesson-group-toggle { color: var(--accent-text); font-size: 0.72rem; font-weight: 650; white-space: nowrap; }
.quiz-lesson-group-toggle::after { content: " +"; }
.quiz-lesson-group[open] .quiz-lesson-group-toggle::after { content: " −"; }
.quiz-lesson-group .quiz-lesson-options { padding: 0 10px 9px; }
.quiz-lesson-group .quiz-lesson-toolbar { padding-top: 5px; }
.quiz-lesson-group .quiz-lesson-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 8px;
  margin: 0;
  padding: 0 2px;
  border: 0;
}
.quiz-lesson-group .quiz-lesson-toolbar { grid-column: 1 / -1; }
.quiz-lesson-option { display: flex; align-items: flex-start; gap: 9px; padding: 9px 10px; border-radius: 8px; color: var(--text); cursor: pointer; }
.quiz-lesson-option:hover { background: var(--surface-2); }
.quiz-lesson-option input { flex: 0 0 auto; width: 17px; height: 17px; margin: 1px 0 0; accent-color: var(--accent); }
.quiz-lesson-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 0 8px 5px; color: var(--muted); font-size: 0.78rem; }
.quiz-lesson-select-all { padding: 5px 9px; border: 0; border-radius: 7px; background: transparent; color: var(--accent-text); font: inherit; font-weight: 650; cursor: pointer; }
.quiz-lesson-select-all:hover { background: var(--surface-2); }
@media (max-width: 520px) {
  .quiz-unit-options { gap: 7px; }
  .quiz-unit-tile { grid-template-columns: 18px minmax(0, 1fr); gap: 8px; min-height: 76px; padding: 9px; }
  .quiz-unit-tile input { width: 18px; height: 18px; border-radius: 5px; }
  .quiz-unit-tile-title strong { font-size: 0.76rem; }
  .quiz-lesson-group .quiz-lesson-options { grid-template-columns: minmax(0, 1fr); }
}
.quiz-unit-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
}
.quiz-unit-actions .quiz-format-back { margin: 0; }
.quiz-continue {
  min-height: 48px;
  padding: 9px 18px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: var(--accent);
  color: var(--on-accent);
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}
.quiz-continue:disabled { opacity: 0.48; cursor: not-allowed; }
.quiz-review-step h3 { margin: 0 0 4px; font-size: 1.08rem; }
.quiz-review-intro,
.quiz-review-note { margin: 0; color: var(--muted); }
.quiz-review-context { margin: 10px 0 0; font-weight: 650; }
.quiz-review-step [hidden] { display: none; }
.quiz-review-breakdown {
  display: grid;
  gap: 0;
  margin: 18px 0 10px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.quiz-review-breakdown > div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 14px;
  background: var(--surface);
}
.quiz-review-breakdown > div + div { border-top: 1px solid var(--line); }
.quiz-review-breakdown dt { color: var(--muted); }
.quiz-review-breakdown dd { margin: 0; font-weight: 650; text-align: right; }
.quiz-review-total { margin: 12px 0 4px; font-weight: 700; }
.quiz-review-step .quiz-unit-actions { margin-top: 22px; }
.chat-mode {
  margin: 12px 18px 0;
  color: var(--accent-text);
  font-size: 0.88rem;
  font-weight: 650;
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; }
.brand-logo {
  width: 56px;
  height: 56px;
  flex: 0 0 auto;
  border-radius: 12px;
  object-fit: cover;
}

.site-header {
  --header-height: 96px;
  width: 100%; margin: 0 0 calc(-1 * var(--header-height)); height: var(--header-height);
  padding: 0 max(20px, calc((100% - 1080px) / 2));
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  position: sticky; top: 0; z-index: 20;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}
.site-header.is-scrolled {
  background: rgba(15, 17, 21, 0.74);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
}
.site-header.is-at-top {
  background: transparent;
  border-bottom-color: transparent;
  box-shadow: none;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
[data-theme="light"] .site-header.is-scrolled {
  background: rgba(250, 250, 250, 0.76);
}
.nav { display: flex; gap: 4px; }
.nav a { padding: 8px 14px; border-radius: 999px; text-decoration: none; color: var(--muted); font-size: 0.95rem; transition: color var(--motion-fast) ease, background-color var(--motion-fast) ease, transform var(--motion-fast) var(--ease-spring); }
.nav a:hover { color: var(--text); background: var(--line); transform: translateY(-1px); }
.header-actions { display: flex; align-items: center; gap: 8px; }

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 100vh; display: grid; place-items: center;
  text-align: center; padding: 120px 24px 80px;
}
.hero-background,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero-background {
  z-index: -2;
  object-fit: cover;
  filter: blur(7px) brightness(0.72) saturate(0.82);
  transform: scale(1.04);
  transition: filter 600ms ease, transform 12s linear;
  animation: hero-drift 28s ease-in-out infinite alternate;
}
@keyframes hero-drift {
  from { transform: scale(1.04); }
  to { transform: scale(1.1); }
}
.hero-overlay {
  z-index: -1;
  pointer-events: none;
}
.hero-overlay::before,
.hero-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  transition: opacity 600ms ease;
}
.hero-overlay::before {
  background: rgba(8, 13, 25, 0.66);
  opacity: 1;
}
.hero-overlay::after {
  background: rgba(245, 239, 255, 0.68);
  opacity: 0;
}
.hero-inner { max-width: 820px; position: relative; z-index: 1; color: #fff; }
body:not(.page-loading) .hero-inner { animation: hero-copy-enter 700ms var(--ease-smooth) both; }
@keyframes hero-copy-enter {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero h1 { margin: 0; font-size: clamp(2rem, 5vw, 3.75rem); line-height: 1.12; letter-spacing: -0.04em; font-weight: 700; }
.hero-description { max-width: 460px; margin: 22px auto 32px; color: rgba(255, 255, 255, 0.78); font-size: 1.1rem; line-height: 1.7; }
.hero-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero .btn-outline { border-color: rgba(255, 255, 255, 0.58); color: #fff; background: rgba(255, 255, 255, 0.08); }
.hero .btn-outline:hover { border-color: #fff; background: rgba(255, 255, 255, 0.16); color: #fff; }
[data-theme="light"] .hero-background { filter: blur(7px) brightness(1.12) saturate(0.9); }
[data-theme="light"] .hero-overlay::before { opacity: 0; }
[data-theme="light"] .hero-overlay::after { opacity: 1; }
[data-theme="light"] .hero-inner { color: #14161a; }
[data-theme="light"] .hero-description { color: rgba(20, 22, 26, 0.78); }
[data-theme="light"] .hero .btn-outline {
  border-color: rgba(20, 22, 26, 0.48);
  color: #14161a;
  background: rgba(255, 255, 255, 0.24);
}
[data-theme="light"] .hero .btn-outline:hover {
  border-color: #14161a;
  background: rgba(255, 255, 255, 0.42);
  color: #14161a;
}

.landing-page main { width: 100%; }
.info-section {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
  padding: 64px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
  border-top: 1px solid var(--line);
  transition: border-color var(--motion-slow) ease;
}
.info-section-reverse .info-copy { order: 2; }
.info-section-reverse .image-placeholder { order: 1; }
.info-section-blue {
  width: 100%;
  padding-right: max(20px, calc((100% - 1080px) / 2));
  padding-left: max(20px, calc((100% - 1080px) / 2));
  border-top: 0;
  background: #2563eb;
  color: #ffffff;
}
.info-section-blue .info-label,
.info-section-blue .info-copy p:not(.info-label) { color: rgba(255, 255, 255, 0.94); }
.info-section-blue .image-placeholder {
  border-color: rgba(255, 255, 255, 0.48);
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.82);
}
.info-copy { max-width: 440px; }
.info-label { margin: 0 0 12px; color: var(--muted); font-size: 0.78rem; letter-spacing: 0.1em; }
.info-copy h2 { margin: 0 0 14px; font-size: clamp(1.6rem, 3.5vw, 2.2rem); letter-spacing: -0.03em; }
.info-copy p:not(.info-label) {
  margin: 0 0 12px;
  color: var(--text);
  font-size: 1.08rem;
  line-height: 1.75;
}
.about-quote {
  margin: 0;
  padding-left: 18px;
  border-left: 3px solid var(--accent);
}
.about-quote p {
  margin: 0 0 14px;
  color: var(--text);
  font-size: 1.08rem;
  line-height: 1.75;
}
.about-quote footer {
  color: var(--muted);
  font-size: 0.95rem;
}
.about-quote cite { font-style: normal; font-weight: 650; color: var(--text); }
.image-placeholder {
  min-height: 250px;
  display: grid;
  place-items: center;
  border: 1px dashed var(--line);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.9rem;
}
.info-image {
  display: block;
  width: 100%;
  min-height: 250px;
  max-height: 420px;
  object-fit: cover;
  border-radius: 18px;
  transition: transform 500ms var(--ease-smooth), box-shadow 500ms ease;
}
.info-image:hover { transform: scale(1.015); box-shadow: 0 18px 40px rgba(0, 0, 0, 0.14); }
.site-footer {
  width: min(1080px, calc(100% - 40px));
  min-height: 76px;
  margin: 24px auto 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 12px 24px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}
.site-footer-links { display: flex; flex-wrap: wrap; gap: 16px; }
.site-footer-note { justify-self: end; text-align: right; }
.site-footer-links a {
  color: inherit;
  text-decoration: none;
  transition: color var(--motion-fast) ease, text-decoration-color var(--motion-fast) ease;
}
.site-footer-links a:hover { color: var(--text); text-decoration: underline; }
.policy-main {
  width: min(680px, calc(100% - 40px));
  min-height: calc(100vh - 190px);
  margin: 0 auto;
  padding: 150px 0 64px;
}
.policy-main > .dashboard-eyebrow { margin-bottom: 8px; }
.policy-main h1 {
  margin: 0;
  font-size: clamp(2.1rem, 5vw, 3rem);
  letter-spacing: -0.045em;
  line-height: 1.1;
}
.policy-updated { margin: 9px 0 30px; color: var(--muted); }
.policy-intro {
  margin: 0 0 28px;
  padding: 18px 20px;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line));
  border-radius: 14px;
  background: color-mix(in srgb, var(--accent) 7%, var(--surface));
  line-height: 1.6;
}
.policy-section {
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.policy-section h2 { margin: 0 0 9px; font-size: 1.18rem; }
.policy-section p { margin: 0; color: var(--muted); line-height: 1.7; }
.policy-section p + p { margin-top: 10px; }
.policy-section ul { margin: 10px 0 0; padding-left: 22px; color: var(--muted); line-height: 1.7; }
.policy-back-link { display: inline-flex; margin-top: 14px; text-decoration: none; }
@media (max-width: 900px) {
  .upgrade-tier-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .upgrade-tier-current { grid-column: 1 / -1; }
  .general-resource-card { grid-template-columns: minmax(130px, 0.8fr) minmax(150px, 1fr) minmax(0, 1.5fr) 18px; }
}
@media (max-width: 760px) {
  .site-footer { grid-template-columns: minmax(0, 1fr) auto; column-gap: 16px; }
  .site-footer-note { grid-column: 1 / -1; justify-self: start; text-align: left; }
  .policy-main { width: min(100% - 32px, 680px); padding-top: 126px; }
  .upgrade-dialog-content { padding: 24px 18px; }
  .upgrade-tier-grid { grid-template-columns: 1fr; }
  .upgrade-tier-current { grid-column: auto; }
}

@media (max-width: 760px) {
  .nav, .site-header .btn-ghost { display: none; }
  .site-header { --header-height: 80px; }
  .test-main { width: min(100% - 24px, 680px); }
  .test-ready { margin-top: 36px; padding: 24px; }
  .test-ready-actions { justify-content: stretch; }
  .test-ready-actions > * { flex: 1 1 auto; }
  .test-layout { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .question-bookmark-panel {
    position: sticky;
    z-index: 5;
    top: calc(var(--test-timer-bar-height) + 8px);
    padding: 8px;
    border-radius: 12px;
  }
  .question-bookmark-heading { margin: 0 0 7px; }
  .question-bookmarks {
    grid-template-columns: repeat(10, minmax(0, 1fr));
    gap: 6px;
  }
  .question-bookmark { width: 100%; aspect-ratio: 1; min-height: 48px; font-size: 0.82rem; }
  .test-question { padding: 16px 54px 16px 16px; }
  .home-layout { grid-template-columns: 1fr; gap: 0; }
  .home-sidebar { padding: 18px 0 0; border-right: 0; }
  .sidebar-nav { display: flex; gap: 6px; }
  .sidebar-nav { flex-wrap: wrap; }
  .sidebar-link { flex: 1 1 30%; justify-content: center; }
  .soldier-progression { grid-template-columns: minmax(115px, 160px) minmax(0, 1fr); gap: 18px; padding: 18px; }
  .soldier-portrait { min-height: 190px; }
  .soldier-portrait img { height: 210px; }
  .progress-dashboard { min-height: calc(100vh - 210px); padding: 42px 0 64px; }
  .quiz-dashboard { min-height: calc(100vh - 210px); padding: 42px 0 64px; }
  .unit-lessons { min-height: calc(100vh - 210px); padding: 42px 0 64px; }
  .resource-library { padding: 32px 0 64px; }
  .resource-section-heading { align-items: flex-start; }
  .resource-section-count { margin-top: 5px; }
  .general-resource-card { grid-template-columns: 1fr 20px; gap: 4px 10px; }
  .general-resource-type { grid-column: 1; }
  .general-resource-card strong { grid-column: 1; }
  .general-resource-card > span:not(.general-resource-type):not(.general-resource-arrow) { grid-column: 1; }
  .general-resource-arrow { grid-column: 2; grid-row: 1 / span 3; }
  .resource-lesson-list li { grid-template-columns: 1fr; gap: 3px; }
  .info-section { grid-template-columns: 1fr; gap: 24px; padding: 44px 0; }
  .info-section-reverse .info-copy,
  .info-section-reverse .image-placeholder { order: initial; }
  .image-placeholder { min-height: 200px; }
}
@media (max-width: 480px) {
  .test-timer-bar { padding-inline: 12px; }
  .test-timer-label { font-size: 0.8rem; }
  .question-bookmarks { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .test-heading { gap: 10px; }
  .test-timer { gap: 5px; font-size: 0.9rem; }
  .test-timer-ring { width: 34px; height: 34px; }
  .unit-title-grid { grid-template-columns: 1fr; }
  .resource-heading h1 { font-size: 2.1rem; }
  .resource-search { gap: 8px; margin-bottom: 38px; padding-inline: 11px; }
  .resource-search-hint { display: none; }
  .resource-section-heading { gap: 10px; }
  .resource-section-count { padding: 6px 8px; font-size: 0.58rem; }
  .resource-section + .resource-section { margin-top: 40px; }
  .create-quiz-card { gap: 12px; padding: 18px; }
  .create-quiz-icon { width: 44px; height: 44px; border-radius: 13px; }
  .create-quiz-copy strong { font-size: 1rem; }
  .create-quiz-copy > span { font-size: 0.85rem; }
  .saved-quizzes-heading { align-items: flex-start; flex-direction: column; gap: 4px; }
  .quiz-format-content { padding: 22px; }
  .quiz-format-preview img { aspect-ratio: 16 / 8; }
  .soldier-progression { grid-template-columns: 1fr; }
  .soldier-portrait { min-height: 210px; }
  .soldier-portrait img { width: min(100%, 260px); height: 230px; }
  .rank-dialog-content { padding: 24px 16px; }
  .rank-badge-grid { grid-template-columns: 1fr; }
  .achievement-tier-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 480px) {
  .achievement-tier-grid { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .quiz-format-options#quiz-format-options { grid-template-columns: 1fr; }
}
@media print {
  body.test-page { background: #fff; color: #111; }
  .test-ready,
  .test-timer-bar,
  .question-bookmark-panel,
  .test-exit-warning,
  .test-actions,
  .paper-self-score,
  .paper-answer-key,
  .paper-self-mark,
  .test-results,
  .test-error,
  .test-loading-status { display: none !important; }
  #test-content,
  .test-layout,
  .test-column,
  .test-form { display: block !important; width: 100%; max-width: none; margin: 0; padding: 0; }
  .test-heading { margin-bottom: 16px; }
  .paper-section-heading { margin-top: 24px; color: #111; break-after: avoid; }
  .paper-question {
    margin: 12px 0;
    padding: 12px;
    border-color: #888;
    background: #fff;
    color: #111;
    break-inside: avoid;
  }
  .paper-program-detail pre,
  .paper-answer { border-color: #888; background: #fff; color: #111; }
  .paper-response-space { border-color: #999; }
}
@media (prefers-reduced-motion: reduce) {
  html,
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .page-loading > :not(.page-loader) { opacity: 1; transition: none; }
  .page-loader { display: none; }
  .code-block { opacity: 1; transform: none; animation: none; }
  .motion-reveal { opacity: 1; transform: none; }
}

/* Chat page (same theme) */
.chat { width: 100%; max-width: 720px; height: 100%; background: var(--surface); display: flex; flex-direction: column; border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.chat-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.chat-brand { display: flex; align-items: center; gap: 11px; }
.chat-brand h1, .chat-header h1 { font-size: 1.1rem; margin: 0; }
.chat-brand h1 span { color: var(--accent-text); }
.chat-home { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; background: var(--surface-2); color: var(--text); text-decoration: none; transition: transform var(--motion-fast) var(--ease-spring), background-color var(--motion-fast) ease; }
.chat-home:hover { transform: translateX(-2px); background: var(--line); }
.messages { flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 10px; scroll-behavior: smooth; }
.msg { max-width: 82%; padding: 10px 14px; border-radius: 12px; line-height: 1.55; white-space: pre-wrap; overflow-wrap: anywhere; animation: message-enter 240ms var(--ease-smooth) both; }
@keyframes message-enter {
  from { opacity: 0; transform: translateY(8px) scale(0.99); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.msg.user { align-self: flex-end; background: var(--accent); color: var(--on-accent); border-bottom-right-radius: 4px; }
.msg.bot { align-self: flex-start; background: var(--surface-2); border-bottom-left-radius: 4px; }
.msg.error { color: var(--error); }
.msg.typing { color: var(--muted); font-style: italic; }
.composer { display: flex; gap: 8px; padding: 12px 18px; border-top: 1px solid var(--line); }
textarea { flex: 1; resize: none; max-height: 140px; padding: 10px 12px; font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; }
textarea { transition: border-color var(--motion-base) ease, background-color var(--motion-base) ease, box-shadow var(--motion-base) ease; }
textarea:focus-visible { box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent); }
.chat button, .composer button { font: inherit; cursor: pointer; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--text); padding: 8px 18px; transition: color var(--motion-fast) ease, border-color var(--motion-fast) ease, background-color var(--motion-fast) ease, transform var(--motion-fast) var(--ease-spring), box-shadow var(--motion-fast) ease; }
.chat button:not(:disabled):hover, .composer button:not(:disabled):hover { transform: translateY(-1px); border-color: var(--accent-text); }
.chat button:not(:disabled):active, .composer button:not(:disabled):active { transform: scale(0.98); }
#send-btn { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.chat button:disabled, .composer button:disabled { opacity: 0.5; cursor: not-allowed; }