/* Lantern Logic, styles. Warm autumn night world: deep plum sky, lantern
 * orange accent, cream ink. All colors ride the tokens below. */

:root {
  color-scheme: dark;

  --color-sky-top: #170b2c;
  --color-sky-mid: #241243;
  --color-sky-low: #3a1c50;
  --color-ground: #0d0618;
  --color-panel: #221238;
  --color-panel-line: rgba(246, 234, 210, 0.16);
  --color-ink: #f6ead2;
  --color-ink-soft: #c9b6d8;
  --color-accent: #ff9d3d;
  --color-accent-deep: #e2702a;
  --color-glow: #ffd27a;
  --color-btn-ink: #2a1405;

  --font-display: 'Iowan Old Style', 'Palatino Linotype', Palatino, Georgia, serif;
  --font-body: ui-rounded, 'SF Pro Rounded', 'Avenir Next', 'Trebuchet MS', 'Segoe UI', system-ui, sans-serif;
  --font-keys: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  --text-xs: 0.85rem;
  --text-sm: 0.95rem;
  --text-md: 1.05rem;
  --text-lg: 1.35rem;

  --radius-card: 18px 15px 17px 14px;
  --radius-btn: 14px 11px 13px 12px;
  --radius-pill: 999px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 140ms;
  --dur-slow: 320ms;

  --shadow-panel: 0 10px 24px rgba(6, 2, 14, 0.35);
  --shadow-lift: 0 14px 30px rgba(6, 2, 14, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.55;
  color: var(--color-ink);
  background: linear-gradient(180deg, var(--color-sky-top) 0%, var(--color-sky-mid) 52%, var(--color-sky-low) 82%, var(--color-ground) 100%) fixed;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--color-accent);
  color: var(--color-btn-ink);
}

:focus-visible {
  outline: 3px solid var(--color-glow);
  outline-offset: 2px;
}

#sky {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.page {
  position: relative;
  z-index: 1;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.screen {
  width: min(1100px, 100% - clamp(24px, 6vw, 64px));
  margin: 0 auto;
  padding: clamp(20px, 4vw, 40px) 0 var(--space-2xl);
}

.skip-link {
  position: absolute;
  left: var(--space-md);
  top: -60px;
  z-index: 10;
  background: var(--color-panel);
  color: var(--color-ink);
  border: 1px solid var(--color-panel-line);
  border-radius: var(--radius-btn);
  padding: var(--space-sm) var(--space-md);
  transition: top var(--dur-fast) var(--ease-out);
}

.skip-link:focus {
  top: var(--space-md);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

h1,
h2 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-md);
  text-wrap: balance;
}

h1 {
  font-size: clamp(3rem, 9vw, 5.25rem);
}

h2 {
  font-size: clamp(1.7rem, 4.5vw, 2.5rem);
}

.screen-sub {
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-xl);
  max-width: 46ch;
}

/* Buttons */

.btn {
  appearance: none;
  font: inherit;
  font-weight: 650;
  color: var(--color-ink);
  background: rgba(246, 234, 210, 0.07);
  border: 1px solid var(--color-panel-line);
  border-radius: var(--radius-btn);
  padding: 12px 22px;
  min-height: 48px;
  min-width: 44px;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-panel);
  background: rgba(246, 234, 210, 0.12);
}

.btn:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent-deep);
  color: var(--color-btn-ink);
}

.btn-primary:hover {
  background: var(--color-glow);
  box-shadow: var(--shadow-lift);
}

.btn[aria-disabled='true'] {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-back {
  min-height: 40px;
  padding: 8px 16px;
  font-size: var(--text-sm);
}

/* Title screen */

#screen-title {
  text-align: center;
  padding-top: clamp(8px, 3vh, 32px);
}

.title-art {
  display: block;
  width: min(560px, 92%);
  aspect-ratio: 2 / 1;
  margin: 0 auto var(--space-lg);
}

.tagline {
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  color: var(--color-ink-soft);
  max-width: 44ch;
  margin: 0 auto var(--space-xl);
}

.title-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.how-to {
  max-width: 640px;
  margin: 0 auto;
  text-align: left;
  background: var(--color-panel);
  border: 1px solid var(--color-panel-line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-panel);
  padding: var(--space-md) var(--space-lg);
}

.how-to summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--color-ink);
  padding-block: var(--space-xs);
}

.how-to ul {
  margin: var(--space-sm) 0;
  padding-left: 1.2em;
  color: var(--color-ink-soft);
}

.how-to li {
  margin-block: var(--space-2xs);
}

.how-to p {
  color: var(--color-ink-soft);
  margin: var(--space-sm) 0 0;
}

kbd {
  font-family: var(--font-keys);
  font-size: 0.85em;
  background: rgba(246, 234, 210, 0.08);
  border: 1px solid var(--color-panel-line);
  border-bottom-width: 2px;
  border-radius: 6px;
  padding: 1px 7px;
}

/* Level select */

.level-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-md);
}

.level-card {
  display: block;
  width: 100%;
  min-height: 96px;
  text-align: left;
  font: inherit;
  color: var(--color-ink);
  background: var(--color-panel);
  border: 1px solid var(--color-panel-line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-panel);
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}

.level-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

.level-card.is-locked {
  opacity: 0.5;
}

.level-card .level-num {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-ink-soft);
  font-variant-numeric: tabular-nums;
}

.level-card .level-name {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-block: 2px;
}

.level-card .level-meta {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-ink-soft);
  font-variant-numeric: tabular-nums;
}

.level-card.is-open .level-meta {
  color: var(--color-accent);
}

/* Game screen */

.game-top {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}

.game-top h2 {
  margin: 0;
  flex: 1 1 auto;
  min-width: 0;
  overflow-wrap: anywhere;
}

#game-level-tag {
  color: var(--color-ink-soft);
  font-size: 0.6em;
  letter-spacing: 0;
  display: block;
  font-family: var(--font-body);
  font-weight: 600;
}

.timer {
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-variant-numeric: tabular-nums;
  font-size: var(--text-lg);
  font-weight: 700;
}

.timer-track {
  width: 130px;
  height: 6px;
  border-radius: var(--radius-pill);
  background: rgba(246, 234, 210, 0.14);
  overflow: hidden;
}

.timer-fill {
  height: 100%;
  background: var(--color-accent);
  transform-origin: left center;
  transition: transform 240ms linear;
}

.timer.is-low .timer-fill {
  background: var(--color-accent-deep);
}

.game-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: var(--space-xl);
  align-items: start;
}

.visitor-panel {
  background: var(--color-panel);
  border: 1px solid var(--color-panel-line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-panel);
  padding: var(--space-lg);
}

.visitor-panel canvas {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  background: #2a1846;
}

.visitor-intro {
  color: var(--color-ink-soft);
  margin: var(--space-md) 0 var(--space-xs);
}

.visitor-hint {
  margin: 0 0 var(--space-md);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.constraints {
  list-style: none;
  margin: 0 0 var(--space-sm);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs);
}

.constraints li {
  border: 1px solid var(--color-panel-line);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  font-size: var(--text-xs);
  color: var(--color-ink-soft);
}

.constraints .is-live {
  border-color: var(--color-accent-deep);
  color: var(--color-glow);
}

.cuts {
  margin: 0;
  font-variant-numeric: tabular-nums;
  color: var(--color-ink-soft);
}

.cuts b {
  color: var(--color-ink);
}

.carve-area {
  min-width: 0;
}

.grid-wrap {
  display: block;
  width: min(560px, 100%);
  margin: 0 auto;
  border-radius: var(--radius-card);
  touch-action: none;
}

#pumpkin {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
}

.grid-help {
  text-align: center;
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  max-width: 52ch;
  margin: var(--space-sm) auto var(--space-md);
}

.controls {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.controls .btn {
  min-width: 104px;
}

/* Results and night recap */

.results-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-2xl);
  align-items: center;
}

#result-art {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  background: #2a1846;
  border: 1px solid var(--color-panel-line);
}

.report {
  background: var(--color-panel);
  border: 1px solid var(--color-panel-line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-panel);
  padding: var(--space-xl);
}

.report-total {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  margin: 0 0 var(--space-md);
}

.report-total .total-num {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 4.5rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.report-grade {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-glow);
  border: 1px solid var(--color-accent-deep);
  border-radius: var(--radius-pill);
  padding: 2px 14px;
}

.report-rows {
  margin: 0 0 var(--space-md);
}

.report-rows > div {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: var(--space-xs);
  border-top: 1px solid var(--color-panel-line);
}

.report-rows dt {
  color: var(--color-ink-soft);
}

.report-rows dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.verdict {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-glow);
  margin: 0 0 var(--space-lg);
  text-wrap: balance;
}

.results-actions,
.end-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.end-total {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 4rem);
  margin: 0 0 var(--space-sm);
  font-variant-numeric: tabular-nums;
}

#screen-end {
  text-align: center;
}

#screen-end .end-actions {
  justify-content: center;
  margin-top: var(--space-lg);
}

.site-foot {
  text-align: center;
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  padding: var(--space-lg) var(--space-md) var(--space-xl);
}

.site-foot p {
  margin: 0;
}

/* Narrow layouts */

@media (max-width: 900px) {
  .game-layout {
    grid-template-columns: 1fr;
  }

  .visitor-panel {
    display: grid;
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 0 var(--space-lg);
    align-items: center;
  }

  .visitor-panel canvas {
    grid-row: 1 / 4;
  }

  .visitor-intro {
    margin-top: 0;
  }

  .results-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }

  .visitor-panel {
    grid-template-columns: 1fr;
  }

  .visitor-panel canvas {
    grid-row: auto;
    max-width: 180px;
  }

  .controls {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .controls .btn {
    min-width: 0;
  }

  .title-actions .btn {
    width: min(280px, 100%);
  }

  .game-top h2 {
    flex-basis: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .btn:hover,
  .level-card:hover {
    transform: none;
  }

  .timer-fill {
    transition: none;
  }
}