/* Jabberwock — A 3D Game in Verse
   Palette: bruised dusk. Plum ink, ember orange, vorpal cyan, bone lilac.
   One visual language across canvas, creatures and UI. */

@font-face {
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url('../fonts/playfair-display-latin.woff2') format('woff2');
}

@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/barlow-condensed-400.woff2') format('woff2');
}

@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/barlow-condensed-600.woff2') format('woff2');
}

:root {
  --ink: #0b0714;
  --plum: #1b1030;
  --violet: #2a1c3d;
  --amber: #e0713a;
  --ember: #ff7a1a;
  --vorpal: #7fe6ff;
  --bone: #c9bfd6;
  --cream: #f6ecd9;

  --panel: rgba(11, 7, 20, 0.82);
  --panel-edge: rgba(201, 191, 214, 0.22);
  --text: var(--cream);
  --text-dim: rgba(246, 236, 217, 0.62);
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.55);

  --ui-font: 'Barlow Condensed', 'Iowan Old Style', 'Palatino Linotype', Georgia, serif;
  --poem-font: 'Playfair Display', 'Iowan Old Style', 'Palatino Linotype', Georgia, serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --panel: rgba(246, 236, 217, 0.9);
    --panel-edge: rgba(27, 16, 48, 0.24);
    --text: #1b1030;
    --text-dim: rgba(27, 16, 48, 0.68);
    --shadow: 0 18px 44px rgba(27, 16, 48, 0.28);
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: #06040c;
  color: var(--cream);
  font-family: var(--ui-font);
  -webkit-font-smoothing: antialiased;
}

#stage {
  position: fixed;
  inset: 0;
  display: block;
}

#stage:focus-visible {
  outline: 2px solid var(--vorpal);
  outline-offset: -3px;
}

/* ---------------------------------------------------------------- HUD ---- */

#hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 10;
  font-family: var(--ui-font);
  letter-spacing: 0.06em;
}

#hud button {
  pointer-events: auto;
}

/* FPS — top right, per the brief. */
#fps {
  position: absolute;
  top: 14px;
  right: 14px;
  min-width: 92px;
  padding: 6px 12px 5px;
  text-align: right;
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 3px;
  box-shadow: var(--shadow);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  text-transform: uppercase;
}

#fps b {
  display: block;
  font-size: 26px;
  line-height: 1;
  font-weight: 600;
  color: var(--vorpal);
}

#fps .fps-unit {
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.18em;
}

/* Chapter / objective — top left */
#chapter {
  position: absolute;
  top: 14px;
  left: 14px;
  max-width: 42ch;
  padding: 9px 14px 8px;
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-left: 3px solid var(--ember);
  border-radius: 3px;
  box-shadow: var(--shadow);
  color: var(--text);
}

#chapter .chapter-no {
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--ember);
  text-transform: uppercase;
}

#chapter .chapter-title {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

#chapter .chapter-task {
  margin-top: 3px;
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 0.02em;
  text-transform: none;
}

/* Vigor + breath — bottom left */
#vitals {
  position: absolute;
  left: 14px;
  bottom: 14px;
  width: 232px;
  padding: 10px 12px 11px;
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 3px;
  box-shadow: var(--shadow);
  color: var(--text);
}

.meter-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.meter {
  position: relative;
  height: 9px;
  margin: 4px 0 9px;
  background: rgba(201, 191, 214, 0.16);
  border-radius: 2px;
  overflow: hidden;
}

.meter > i {
  position: absolute;
  inset: 0 auto 0 0;
  display: block;
  width: 100%;
  border-radius: 2px;
  transform-origin: left center;
  transition: transform 0.18s linear;
}

#vigor-fill {
  background: linear-gradient(90deg, #ff4d2e, var(--ember) 60%, #ffc46b);
}

#breath-fill {
  background: linear-gradient(90deg, #3f7f8f, var(--vorpal));
}

.meter.low > i {
  animation: pulse-low 0.7s ease-in-out infinite;
}

@keyframes pulse-low {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

/* Controls — bottom right */
#controls {
  position: absolute;
  right: 14px;
  bottom: 14px;
  display: flex;
  gap: 6px;
  align-items: stretch;
}

.ghost-btn {
  pointer-events: auto;
  padding: 7px 11px;
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 3px;
  box-shadow: var(--shadow);
  color: var(--text);
  font-family: var(--ui-font);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
}

.ghost-btn:hover {
  border-color: var(--vorpal);
  color: var(--vorpal);
}

.ghost-btn:focus-visible {
  outline: 2px solid var(--vorpal);
  outline-offset: 2px;
}

.ghost-btn[aria-pressed='true'] {
  border-color: var(--ember);
  color: var(--ember);
}

/* Boss bar — top centre */
#boss {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%) translateY(-14px);
  width: min(560px, 62vw);
  padding: 8px 12px 10px;
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 3px;
  box-shadow: var(--shadow);
  color: var(--text);
  opacity: 0;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

#boss.on {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

#boss .boss-name {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ember);
}

#boss .boss-name small {
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--text-dim);
  text-transform: none;
}

#boss .boss-bar {
  position: relative;
  height: 12px;
  margin-top: 6px;
  background: rgba(201, 191, 214, 0.14);
  border: 1px solid rgba(201, 191, 214, 0.2);
  border-radius: 2px;
  overflow: hidden;
}

#boss .boss-bar > i {
  position: absolute;
  inset: 0 auto 0 0;
  display: block;
  width: 100%;
  background: linear-gradient(90deg, #7a1b0c, var(--ember) 70%, #ffd08a);
  transform-origin: left center;
  transition: transform 0.25s cubic-bezier(0.2, 0.9, 0.3, 1);
}

#boss .boss-tip {
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  text-transform: uppercase;
}

#boss .boss-tip b {
  color: var(--vorpal);
}

/* Prompt — bottom centre */
#prompt {
  position: absolute;
  left: 50%;
  bottom: 84px;
  transform: translateX(-50%) translateY(8px);
  padding: 8px 18px;
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 3px;
  box-shadow: var(--shadow);
  color: var(--text);
  font-size: 14px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.22s ease, transform 0.22s ease;
}

#prompt.on {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

#prompt kbd {
  display: inline-block;
  min-width: 20px;
  margin: 0 2px;
  padding: 1px 6px;
  background: rgba(127, 230, 255, 0.14);
  border: 1px solid var(--vorpal);
  border-radius: 3px;
  color: var(--vorpal);
  font-family: var(--ui-font);
  font-size: 12px;
  font-weight: 600;
}

/* Hold-to-think meter */
#hold {
  position: absolute;
  left: 50%;
  bottom: 62px;
  transform: translateX(-50%);
  width: 200px;
  height: 5px;
  background: rgba(201, 191, 214, 0.18);
  border-radius: 3px;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.2s ease;
}

#hold.on {
  opacity: 1;
}

#hold > i {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--vorpal), var(--cream));
  transform: scaleX(0);
  transform-origin: left center;
}

/* Damage flash + vignette */
#flash {
  position: fixed;
  inset: 0;
  z-index: 12;
  pointer-events: none;
  background: radial-gradient(circle at 50% 55%, rgba(255, 122, 26, 0) 32%, rgba(190, 40, 20, 0.85) 100%);
  opacity: 0;
}

#bloom {
  position: fixed;
  inset: 0;
  z-index: 11;
  pointer-events: none;
  background: radial-gradient(circle at 50% 50%, rgba(127, 230, 255, 0) 45%, rgba(127, 230, 255, 0.5) 100%);
  opacity: 0;
}

#vignette {
  position: fixed;
  inset: 0;
  z-index: 9;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% 46%, rgba(0, 0, 0, 0) 40%, rgba(6, 4, 12, 0.72) 100%);
}

/* --------------------------------------------------------------- Verse ---- */

#verse {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6vh 5vw;
  background: radial-gradient(ellipse at 50% 40%, rgba(27, 16, 48, 0.72), rgba(6, 4, 12, 0.94));
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.55s ease, visibility 0.55s;
}

#verse.on {
  opacity: 1;
  visibility: visible;
}

.verse-card {
  max-width: 620px;
  width: 100%;
  max-height: 86vh;
  overflow-y: auto;
  padding: 30px 40px 26px;
  background: linear-gradient(180deg, rgba(27, 16, 48, 0.92), rgba(11, 7, 20, 0.94));
  border: 1px solid rgba(224, 113, 58, 0.34);
  border-radius: 4px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.7), inset 0 0 80px rgba(224, 113, 58, 0.06);
  text-align: center;
}

@media (prefers-color-scheme: light) {
  .verse-card {
    background: linear-gradient(180deg, rgba(246, 236, 217, 0.96), rgba(230, 216, 194, 0.96));
    border-color: rgba(27, 16, 48, 0.3);
    box-shadow: 0 30px 90px rgba(11, 7, 20, 0.45);
  }
}

.verse-eyebrow {
  font-size: 10px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--ember);
}

.verse-title {
  margin: 8px 0 4px;
  font-family: var(--poem-font);
  font-weight: 700;
  font-size: clamp(30px, 6vw, 48px);
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--cream);
}

@media (prefers-color-scheme: light) {
  .verse-title { color: var(--plum); }
}

.verse-rule {
  width: 78px;
  height: 1px;
  margin: 16px auto 20px;
  background: linear-gradient(90deg, transparent, rgba(224, 113, 58, 0.9), transparent);
}

.verse-body {
  font-family: var(--poem-font);
  font-weight: 500;
  font-size: clamp(15px, 2.05vw, 19px);
  line-height: 1.72;
  color: var(--cream);
  white-space: pre-line;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.6);
  text-align: left;
  display: inline-block;
}

@media (prefers-color-scheme: light) {
  .verse-body {
    color: #1b1030;
    text-shadow: none;
  }
}

.verse-body em {
  font-style: italic;
  color: var(--vorpal);
}

.verse-note {
  margin-top: 22px;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.verse-note kbd {
  display: inline-block;
  min-width: 20px;
  margin: 0 3px;
  padding: 2px 8px;
  background: rgba(127, 230, 255, 0.12);
  border: 1px solid var(--vorpal);
  border-radius: 3px;
  color: var(--vorpal);
  font-family: var(--ui-font);
  font-size: 12px;
  font-weight: 600;
}

.verse-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 18px;
}

.big-btn {
  pointer-events: auto;
  padding: 11px 26px;
  background: transparent;
  border: 1px solid var(--ember);
  border-radius: 3px;
  color: var(--cream);
  font-family: var(--ui-font);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}

.big-btn:hover {
  background: var(--ember);
  color: #12080a;
}

.big-btn:focus-visible {
  outline: 2px solid var(--vorpal);
  outline-offset: 3px;
}

/* -------------------------------------------------------------- Menus ---- */

#menu {
  position: fixed;
  inset: 0;
  z-index: 22;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(6, 4, 12, 0.78);
}

#menu.on {
  display: flex;
}

.menu-card {
  width: min(520px, 92vw);
  padding: 28px 32px 26px;
  background: linear-gradient(180deg, rgba(27, 16, 48, 0.95), rgba(11, 7, 20, 0.96));
  border: 1px solid rgba(201, 191, 214, 0.22);
  border-radius: 4px;
  box-shadow: var(--shadow);
  color: var(--cream);
}

.menu-card h2 {
  margin: 0 0 4px;
  font-family: var(--poem-font);
  font-weight: 700;
  font-size: 27px;
  letter-spacing: 0.02em;
}

.menu-card p {
  margin: 0 0 14px;
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

.keys {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 22px;
  margin: 16px 0 20px;
  padding: 0;
  list-style: none;
  font-size: 13px;
}

.keys li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 3px 0;
  border-bottom: 1px dashed rgba(201, 191, 214, 0.14);
  color: var(--text-dim);
}

.keys li span:first-child {
  color: var(--cream);
}

.keys kbd {
  font-family: var(--ui-font);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--vorpal);
}

/* Boot / error */
#boot {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: #06040c;
  color: var(--cream);
  text-align: center;
  padding: 24px;
}

#boot.gone {
  display: none;
}

#boot .boot-mark {
  font-family: var(--poem-font);
  font-weight: 700;
  font-size: 30px;
  letter-spacing: 0.06em;
  color: var(--ember);
}

#boot .boot-note {
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-dim);
}

#boot .boot-err {
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.6;
  color: #ffb27a;
}

.spinner {
  width: 26px;
  height: 26px;
  border: 2px solid rgba(201, 191, 214, 0.2);
  border-top-color: var(--ember);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

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

@media (prefers-reduced-motion: reduce) {
  .spinner { animation: none; }
  .meter.low > i { animation: none; }
  #verse, #boss, #prompt, #hold { transition-duration: 0.01ms; }
}

@media (max-width: 720px) {
  #vitals { width: 168px; }
  #chapter { max-width: 46vw; }
  .keys { grid-template-columns: 1fr; }
}