/* Page chrome for CS 646 Sanctum. Colors come from tokens.css. */

:root {
  --tap: 44px;
  --page-pad: max(1rem, env(safe-area-inset-left));
  --page-pad-end: max(1rem, env(safe-area-inset-right));
}

html {
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  box-sizing: inherit;
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  background: var(--mq-bg);
  color: var(--mq-text-primary);
  font-family: "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.55;
}

body *,
body *::before,
body *::after {
  box-sizing: inherit;
}

::selection {
  background: var(--mq-accent-fill);
  color: var(--mq-on-accent-fill);
}

:focus-visible {
  outline: 3px solid var(--mq-focus-ring);
  outline-offset: 3px;
}

a {
  color: var(--mq-accent-text);
  text-underline-offset: 0.18em;
}

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

button,
summary,
.button {
  touch-action: manipulation;
}

.skip-link {
  position: absolute;
  left: var(--page-pad);
  top: 0.75rem;
  z-index: 40;
  transform: translateY(-200%);
  min-height: var(--tap);
  padding: 0.6rem 0.9rem;
  background: var(--mq-gold-accent);
  color: var(--mq-on-deco-accent);
  border-radius: 0.4rem;
}

.skip-link:focus {
  transform: none;
}

.site-header {
  display: grid;
  gap: 0.85rem 1.25rem;
  align-items: center;
  padding: 1.1rem var(--page-pad-end) 1rem var(--page-pad);
  background: var(--mq-surface);
  border-bottom: 1px solid var(--mq-border);
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  color: var(--mq-accent-fill);
  font-size: 1.7rem;
  line-height: 1;
  letter-spacing: 0.01em;
}

.wordmark img {
  width: 32px;
  height: 32px;
}

.wordmark-name {
  border-bottom: 3px solid var(--mq-secondary);
  padding-bottom: 0.12rem;
}

.site-heading h1 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.site-heading p {
  max-width: 68ch;
  margin: 0.35rem 0 0;
  color: var(--mq-text-secondary);
}

.page-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.button,
.page-nav a,
.page-nav button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap);
  min-width: var(--tap);
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--mq-border-strong);
  border-radius: 0.55rem;
  corner-shape: squircle;
  background: var(--mq-surface);
  color: var(--mq-text-primary);
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}

.button:hover:not(:disabled),
.page-nav a:hover,
.page-nav button:hover:not(:disabled) {
  background: var(--mq-surface-tint);
  color: var(--mq-text-primary);
}

.button.primary {
  background: var(--mq-accent-fill);
  border-color: var(--mq-accent-fill);
  color: var(--mq-on-accent-fill);
}

.button.primary:hover {
  background: var(--mq-accent-text);
  border-color: var(--mq-accent-text);
  color: var(--mq-on-accent-fill);
}

.button:disabled,
.page-nav button:disabled {
  opacity: 0.55;
  cursor: wait;
}

.stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 280px;
  overflow: hidden;
  background: var(--mq-bg);
  border-bottom: 1px solid var(--mq-border);
}

.stage:fullscreen {
  width: 100vw;
  height: 100dvh;
  aspect-ratio: auto;
  border: 0;
}

#canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  visibility: hidden;
  outline: none;
  background: #081028;
}

.stage.ready #canvas {
  visibility: visible;
}

#canvas:focus-visible {
  outline: 3px solid var(--mq-focus-ring);
  outline-offset: -4px;
}

#status {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  height: 100%;
  padding: 1.25rem;
  text-align: center;
}

.stage.ready #status {
  display: none;
}

.status-card {
  width: min(100%, 36rem);
  padding: clamp(1rem, 3vw, 2rem);
  border: 1px solid var(--mq-border);
  border-radius: 1rem;
  background: var(--mq-surface);
  color: var(--mq-text-primary);
  box-shadow: 0 18px 40px rgb(8 16 40 / 0.28);
}

.poster {
  margin: 0 0 0.8rem;
}

.poster img {
  width: 88px;
  height: 88px;
}

.poster figcaption {
  margin-top: 0.35rem;
  color: var(--mq-accent-text);
}

.set-label {
  color: var(--mq-accent-text);
  font-size: 0.75rem;
}

#load-world {
  margin-top: 0.8rem;
}

.status-card h2 {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  font-weight: 400;
  letter-spacing: -0.02em;
}

.status-card p {
  color: var(--mq-text-secondary);
}

#status-progress {
  width: 100%;
  height: 0.85rem;
  margin-top: 1rem;
  accent-color: var(--mq-accent-fill);
}

#status-text {
  min-height: 1.4em;
  margin: 0.45rem 0 0;
  font-size: 0.92rem;
}

#status-notice {
  display: none;
  margin-top: 1rem;
  padding: 0.9rem;
  border-radius: 0.55rem;
  background: var(--mq-surface-tint);
  color: var(--mq-text-primary);
}

.stage.failed #status-notice {
  display: block;
}

.stage.failed #status-progress {
  display: none;
}

.stage-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1rem;
}

.play-hint {
  margin: 0;
  padding: 0.75rem var(--page-pad-end) 0.75rem var(--page-pad);
  color: var(--mq-text-secondary);
  background: var(--mq-surface);
  border-bottom: 1px solid var(--mq-border);
}

.guide {
  min-width: 0;
  max-width: 72rem;
  margin: auto;
  padding: clamp(1rem, 2.4vw, 2rem) var(--page-pad-end) 2rem var(--page-pad);
}

.guide[hidden] {
  display: none;
}

.guide h2 {
  margin: 0 0 0.45rem;
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  font-weight: 400;
  letter-spacing: -0.02em;
}

.guide-intro {
  max-width: 68ch;
  margin: 0;
  color: var(--mq-text-secondary);
}

.question-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--mq-border);
}

.question-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--tap);
  min-height: var(--tap);
  padding: 0 0.7rem;
  border: 1px solid var(--mq-border-strong);
  border-radius: 0.45rem;
  background: var(--mq-surface-tint);
  color: var(--mq-text-primary);
  font-size: 0.9rem;
  text-decoration: none;
}

.module {
  margin-top: 0.7rem;
  border: 1px solid var(--mq-border);
  border-radius: 0.7rem;
  background: var(--mq-surface);
  scroll-margin-top: 1rem;
}

.module summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.6rem;
  min-height: var(--tap);
  padding: 0.7rem 0.85rem;
  cursor: pointer;
  list-style: none;
}

.module summary::-webkit-details-marker {
  display: none;
}

.module summary::after {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  margin-left: auto;
  border-right: 2px solid var(--mq-accent-text);
  border-bottom: 2px solid var(--mq-accent-text);
  transform: translateY(-0.12rem) rotate(45deg);
}

.module[open] summary::after {
  transform: translateY(0.12rem) rotate(-135deg);
}

.question-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--tap);
  min-height: var(--tap);
  border-radius: 0.35rem;
  background: var(--mq-accent-fill);
  color: var(--mq-on-accent-fill);
  font-size: 0.85rem;
}

.question-title {
  flex: 1 1 16rem;
  color: var(--mq-text-primary);
  font-size: 0.98rem;
  line-height: 1.35;
  overflow-wrap: break-word;
}

.district-tag,
.week-tag,
.optional-badge {
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--mq-border-strong);
  border-radius: 100px;
  color: var(--mq-text-secondary);
  font-size: 0.75rem;
}

.optional-badge {
  border-color: var(--mq-gold-accent);
  background: var(--mq-gold-accent);
  color: var(--mq-on-deco-accent);
}

.module-body {
  padding: 0 0.85rem 1rem;
}

.module h3 {
  margin: 1rem 0 0.4rem;
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mq-secondary-text);
}

.recall,
.full-credit {
  margin: 0.8rem 0;
  padding: 0.8rem 1rem;
  border: 1px solid var(--mq-border);
  border-radius: 0.5rem;
  background: var(--mq-surface-tint);
}

.full-credit {
  background: var(--mq-secondary-tint);
}

.recall strong,
.full-credit h3 {
  display: block;
  margin: 0 0 0.35rem;
  color: var(--mq-text-primary);
}

.study-steps ol {
  padding-left: 1.4rem;
}

.study-steps li {
  margin: 0.65rem 0;
}

.study-steps li p {
  margin: 0.2rem 0;
  color: var(--mq-text-secondary);
  white-space: pre-wrap;
  overflow-wrap: break-word;
}

.full-answer pre {
  margin: 0.4rem 0 0;
  padding: 0.8rem;
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--mq-border);
  border-radius: 0.5rem;
  background: var(--mq-bg);
  color: var(--mq-text-primary);
  font: 0.9rem/1.55 ui-monospace, SFMono-Regular, Menlo, monospace;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.full-answer code,
.study-steps code,
.technical-notes code,
.recall code {
  padding: 0.05rem 0.22rem;
  border-radius: 0.2rem;
  background: var(--mq-surface-tint);
  color: var(--mq-text-primary);
  font: 0.94em ui-monospace, SFMono-Regular, Menlo, monospace;
}

.full-answer .block-code {
  display: block;
  margin: 0.55rem 0;
  padding: 0.7rem;
  border: 1px solid var(--mq-border);
  background: var(--mq-surface);
  white-space: pre-wrap;
}

.technical-notes ul {
  padding-left: 1.2rem;
}

.technical-notes li {
  margin: 0.65rem 0;
}

.technical-notes small {
  color: var(--mq-text-secondary);
}

.site-footer {
  margin: 0;
  padding: 1.25rem var(--page-pad-end) calc(1.25rem + env(safe-area-inset-bottom)) var(--page-pad);
  border-top: 1px solid var(--mq-border);
  color: var(--mq-text-secondary);
  background: var(--mq-surface);
}

.site-footer p {
  max-width: 68ch;
  margin: 0.4rem 0;
}

.site-footer a {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
}

.site-footer__policies {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.75rem;
  margin-top: 0.5rem;
}

.touch-dock {
  display: none;
  position: absolute;
  z-index: 3;
  left: 0.5rem;
  right: 0.5rem;
  bottom: max(0.5rem, env(safe-area-inset-bottom));
  gap: 0.35rem;
}

.touch-dock button {
  flex: 1 1 0;
  min-width: 0;
  min-height: var(--tap);
  padding: 0.4rem 0.2rem;
  border: 0;
  border-radius: 0.55rem;
  background: #2F64C8;
  color: #FFFFFF;
  font: inherit;
  font-size: 0.95rem;
  cursor: pointer;
  touch-action: none;
}

.touch-dock button:focus-visible {
  outline: 3px solid #30D8F8;
  outline-offset: 2px;
}

@media (max-width: 720px) {
  .stage.ready .touch-dock {
    display: flex;
  }
}

.noscript-note {
  margin: 1rem;
  color: var(--mq-text-primary);
}

@media (min-width: 800px) {
  .site-header {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }
}

@media (min-width: 900px) {
  html {
    scroll-padding-top: 4.5rem;
  }

  .module {
    scroll-margin-top: 5rem;
  }
}

@media (max-width: 430px) {
  .site-header {
    padding-top: 0.85rem;
  }

  .wordmark {
    font-size: 1.45rem;
  }

  .wordmark img {
    width: 28px;
    height: 28px;
  }

  .site-heading h1 {
    font-size: 1.65rem;
  }

  .page-nav {
    width: 100%;
  }

  .stage {
    aspect-ratio: auto;
    height: min(520px, calc(100dvh - 26rem));
    min-height: 300px;
  }

  .status-card {
    padding: 0.9rem;
  }

  .status-card h2 {
    font-size: 1.35rem;
  }

  .question-title {
    flex-basis: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .module summary::after {
    transition: none;
  }
}

@supports (scrollbar-color: auto) {
  .guide,
  .full-answer pre {
    scrollbar-color: var(--mq-border-strong) var(--mq-surface);
  }
}