/* Jabberwock — a game in verse.
   Palette: brillig gold, moss, tulgey violet, brass, vorpal blue, ember.
   The same six colours drive the world, the lighting and this interface. */

:root {
  color-scheme: dark light;

  --ink:        #12101a;
  --ink-deep:   #08070d;
  --parchment:  #f2e6c8;
  --parch-dim:  #cfc0a0;
  --brass:      #d8ae4e;
  --brass-dim:  #8a6d2c;
  --moss:       #7f9147;
  --violet:     #37294f;
  --vorpal:     #a6ecec;
  --ember:      #ff7a26;

  --panel-bg:   rgba(14, 12, 22, 0.86);
  --panel-fg:   var(--parchment);
  --panel-edge: rgba(216, 174, 78, 0.55);
  --panel-shadow: 0 1.4rem 3.4rem rgba(0, 0, 0, 0.62);
  --scrim:      radial-gradient(ellipse at 50% 40%, rgba(8,7,13,0.62) 0%, rgba(8,7,13,0.9) 100%);

  --font-display: "Cinzel", "Palatino Linotype", Palatino, Georgia, serif;
  --font-verse:   "IM Fell English", "Palatino Linotype", Palatino, Georgia, serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --panel-bg:   rgba(246, 236, 213, 0.95);
    --panel-fg:   #1c1729;
    --panel-edge: rgba(122, 92, 26, 0.6);
    --panel-shadow: 0 1.4rem 3.4rem rgba(40, 30, 12, 0.4);
    --scrim:      radial-gradient(ellipse at 50% 40%, rgba(238,224,192,0.5) 0%, rgba(214,196,158,0.82) 100%);
    --parch-dim:  #574a30;
    --brass:      #7a5c1a;
    --vorpal:     #10646a;
    --ember:      #a83c05;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: var(--ink-deep);
  color: var(--panel-fg);
  font-family: var(--font-verse);
  -webkit-font-smoothing: antialiased;
}

body { touch-action: none; }

canvas#scene {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.hidden { display: none !important; }

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

#fps {
  position: fixed;
  top: 0.9rem;
  right: 0.9rem;
  z-index: 40;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  padding: 0.32rem 0.62rem;
  color: var(--brass);
  background: rgba(10, 9, 16, 0.55);
  border: 1px solid rgba(216, 174, 78, 0.3);
  border-radius: 2px;
  text-shadow: 0 1px 2px #000;
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

@media (prefers-color-scheme: light) {
  #fps {
    background: rgba(246, 236, 213, 0.78);
    color: #5c4410;
    border-color: rgba(122, 92, 26, 0.4);
    text-shadow: none;
  }
}

#hud {
  position: fixed;
  top: 0.9rem;
  left: 1rem;
  z-index: 35;
  pointer-events: none;
  max-width: 22rem;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.9);
}

@media (prefers-color-scheme: light) {
  #hud, #vitals, #prompt { text-shadow: 0 1px 3px rgba(255, 250, 236, 0.85); }
}

#zone-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brass);
}

#objective {
  margin-top: 0.2rem;
  font-size: 1.02rem;
  font-style: italic;
  color: var(--parch-dim);
  line-height: 1.35;
}

#vitals {
  position: fixed;
  left: 1rem;
  bottom: 1rem;
  z-index: 35;
  pointer-events: none;
  width: 19rem;
  max-width: 46vw;
}

.vital-row { display: flex; align-items: center; gap: 0.55rem; }

.vital-label {
  font-family: var(--font-display);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--parch-dim);
  white-space: nowrap;
}

.vital-num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--parchment);
  font-variant-numeric: tabular-nums;
  min-width: 2.1em;
  text-align: right;
}

@media (prefers-color-scheme: light) { .vital-num { color: #241d10; } }

.bar {
  flex: 1;
  height: 0.62rem;
  background: rgba(6, 5, 10, 0.72);
  border: 1px solid rgba(216, 174, 78, 0.45);
  border-radius: 1px;
  overflow: hidden;
}

.bar.wide { height: 0.78rem; }

.fill {
  height: 100%;
  width: 100%;
  transform-origin: left center;
  transition: width 0.22s ease-out;
}

.fill.hp   { background: linear-gradient(90deg, #4e6f2a, #a9c85c); }
.fill.boss { background: linear-gradient(90deg, #6c1d08, var(--ember)); }

#sword-state {
  margin-top: 0.32rem;
  font-size: 0.95rem;
  font-style: italic;
  color: var(--vorpal);
}

#boss {
  position: fixed;
  top: 1.1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 35;
  width: 34rem;
  max-width: 76vw;
  pointer-events: none;
  text-align: center;
}

#boss-name {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-size: 0.86rem;
  color: var(--ember);
  margin-bottom: 0.32rem;
  text-shadow: 0 0 1.2rem rgba(255, 122, 38, 0.55), 0 1px 3px #000;
}

#prompt {
  position: fixed;
  left: 50%;
  bottom: 5.6rem;
  transform: translateX(-50%);
  z-index: 35;
  pointer-events: none;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--parchment);
  background: rgba(10, 9, 16, 0.6);
  border: 1px solid rgba(216, 174, 78, 0.34);
  padding: 0.4rem 0.9rem;
  border-radius: 2px;
  white-space: nowrap;
}

@media (prefers-color-scheme: light) {
  #prompt { background: rgba(246, 236, 213, 0.9); color: #241d10; }
}

#prompt b {
  font-family: var(--font-display);
  color: var(--brass);
  letter-spacing: 0.1em;
}

#banner {
  position: fixed;
  left: 50%;
  top: 38%;
  transform: translate(-50%, -50%);
  z-index: 38;
  pointer-events: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 7vw, 4.6rem);
  letter-spacing: 0.06em;
  color: var(--parchment);
  text-shadow: 0 0 2.4rem rgba(166, 236, 236, 0.8), 0 0.3rem 1.6rem #000;
  white-space: nowrap;
}

#banner.ember { color: #ffcf8a; text-shadow: 0 0 2.6rem rgba(255,122,38,0.9), 0 0.3rem 1.6rem #000; }

/* ------------------------------------------------------------ effects */

#flash, #hurt, #veil, #vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 30;
}

#flash   { background: #fff; opacity: 0; z-index: 33; }
#hurt    { background: radial-gradient(ellipse at center, rgba(0,0,0,0) 42%, rgba(150,20,10,0.85) 100%); opacity: 0; }
#veil    { background: linear-gradient(180deg, rgba(24,18,42,0.72), rgba(8,7,16,0.86)); opacity: 0; }
#vignette{
  background: radial-gradient(ellipse at 50% 46%, rgba(0,0,0,0) 46%, rgba(0,0,0,0.55) 100%);
  z-index: 28;
  opacity: 0.9;
}

@media (prefers-color-scheme: light) { #vignette { opacity: 0.42; } }

/* ------------------------------------------------------------ buttons */

#corner {
  position: fixed;
  right: 0.9rem;
  bottom: 1rem;
  z-index: 40;
  display: flex;
  gap: 0.5rem;
}

button {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--parchment);
  background: rgba(14, 12, 22, 0.8);
  border: 1px solid var(--panel-edge);
  border-radius: 2px;
  padding: 0.5rem 0.95rem;
  cursor: pointer;
  transition: background 0.18s, color 0.18s, border-color 0.18s, transform 0.12s;
}

@media (prefers-color-scheme: light) {
  button { color: #201a2c; background: rgba(250, 242, 224, 0.94); }
}

button:hover { background: var(--brass); color: #14100a; border-color: var(--brass); }
button:focus-visible { outline: 2px solid var(--vorpal); outline-offset: 3px; }
button:active { transform: translateY(1px); }

button.big {
  font-size: 1rem;
  padding: 0.78rem 2.1rem;
  letter-spacing: 0.22em;
}

/* ------------------------------------------------------------ screens */

.screen {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: var(--scrim);
  backdrop-filter: blur(2px);
}

.plate {
  position: relative;
  max-width: 40rem;
  width: 100%;
  padding: 2.1rem 2.4rem 1.9rem;
  text-align: center;
  color: var(--panel-fg);
  background: var(--panel-bg);
  border: 1px solid var(--panel-edge);
  box-shadow: var(--panel-shadow), inset 0 0 0 1px rgba(216, 174, 78, 0.12);
  border-radius: 3px;
  max-height: calc(100vh - 3rem);
  overflow-y: auto;
}

.plate::before, .plate::after {
  content: "";
  position: absolute;
  left: 2.4rem;
  right: 2.4rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brass), transparent);
  opacity: 0.75;
}
.plate::before { top: 0.7rem; }
.plate::after  { bottom: 0.7rem; }

.plate.card { max-width: 34rem; }
.plate.book { max-width: 32rem; text-align: left; }

.eyebrow {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--brass);
}

h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 7.5vw, 3.6rem);
  letter-spacing: 0.11em;
  line-height: 1;
  color: var(--parchment);
  text-shadow: 0 0 3rem rgba(216, 174, 78, 0.4);
}

@media (prefers-color-scheme: light) {
  h1 { color: #1a1526; text-shadow: none; }
}

h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.15rem, 3.2vw, 1.65rem);
  letter-spacing: 0.06em;
  line-height: 1.25;
  color: var(--brass);
}

.byline {
  margin: 0.55rem 0 0;
  font-size: 0.92rem;
  font-style: italic;
  color: var(--parch-dim);
}

.poem {
  margin: 1.5rem auto;
  padding: 0;
  border: 0;
  max-width: 27rem;
  font-size: clamp(1.06rem, 2.5vw, 1.28rem);
  line-height: 1.62;
  color: var(--panel-fg);
  text-align: left;
}

.poem p { margin: 0; }
.poem p.ind { padding-left: 2.4em; }
.poem p.gap { margin-top: 1.05em; }

.hint {
  margin: 1rem 0 0;
  font-size: 0.94rem;
  font-style: italic;
  color: var(--parch-dim);
  line-height: 1.45;
}

.hint b {
  font-family: var(--font-display);
  font-style: normal;
  letter-spacing: 0.1em;
  color: var(--brass);
}

.row { display: flex; gap: 0.7rem; justify-content: center; flex-wrap: wrap; }

#title .plate { max-width: 34rem; }
#title button { margin-top: 0.4rem; }
#overlay .plate button, #book button, #gameover button { margin-top: 0.9rem; }

/* ------------------------------------------------------------ controls card */

#controls {
  position: fixed;
  left: 1rem;
  bottom: 8.2rem;
  z-index: 34;
  pointer-events: none;
  font-size: 0.84rem;
  color: var(--parch-dim);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
  opacity: 0.9;
}

@media (prefers-color-scheme: light) {
  #controls { text-shadow: 0 1px 3px rgba(255, 250, 236, 0.9); }
}

#controls dl {
  margin: 0;
  display: grid;
  grid-template-columns: auto auto;
  gap: 0.1rem 0.7rem;
}

#controls dt {
  font-family: var(--font-display);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--brass);
  text-align: right;
}

#controls dd { margin: 0; font-style: italic; }
#controls em { color: var(--vorpal); }

/* ------------------------------------------------------------ motion */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .screen { backdrop-filter: none; }
}

@media (max-width: 620px) {
  #controls { display: none; }
  #vitals { width: 14rem; }
  #boss { top: 3rem; }
  .plate { padding: 1.6rem 1.3rem; }
}