/* KILN — UI stylesheet. Game palette lives in js/palette.js */
:root {
  color-scheme: dark;
  --c-soot: #1a1210;
  --c-ash: #8a7f76;
  --c-terra: #c96f3b;
  --c-terra-deep: #8e4426;
  --c-glaze: #3d7dc4;
  --c-glaze-pale: #a8c8e8;
  --c-ember: #e8a13a;
  --c-bone: #e8ded0;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--c-soot);
  font-family: Georgia, 'Times New Roman', serif;
  color: var(--c-bone);
}

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

#ui-root {
  position: fixed;
  inset: 0;
  pointer-events: none;
  user-select: none;
}

/* ---------- screens (menus) ---------- */
.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  pointer-events: auto;
  background: transparent;
}

.screen--dim {
  background: rgba(26, 18, 16, 0.72);
}

.screen[hidden] { display: none; }

.kiln-title {
  font-size: clamp(3.5rem, 10vw, 7rem);
  letter-spacing: 0.35em;
  margin-left: 0.35em; /* optically re-centre for tracking */
  font-weight: normal;
  color: var(--c-bone);
  text-shadow: 0 2px 0 var(--c-terra-deep), 0 0 42px rgba(232, 161, 58, 0.35);
}

.kiln-subtitle {
  font-size: 0.95rem;
  letter-spacing: 0.42em;
  margin-left: 0.42em;
  text-transform: uppercase;
  color: var(--c-ash);
}

.menu-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
}

.menu-btn {
  appearance: none;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 1.25rem;
  letter-spacing: 0.18em;
  padding: 8px 26px;
  color: var(--c-bone);
  cursor: pointer;
  position: relative;
  transition: color 120ms ease;
}

.menu-btn::before,
.menu-btn::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 8px;
  height: 8px;
  background: var(--c-ember);
  transform: translateY(-50%) scale(0);
  transition: transform 120ms ease;
}
.menu-btn::before { left: 4px; }
.menu-btn::after { right: 4px; }

.menu-btn:hover, .menu-btn:focus-visible, .menu-btn.is-focused {
  color: var(--c-ember);
  outline: none;
}
.menu-btn:hover::before, .menu-btn:focus-visible::before, .menu-btn.is-focused::before,
.menu-btn:hover::after, .menu-btn:focus-visible::after, .menu-btn.is-focused::after {
  transform: translateY(-50%) scale(1);
}

.menu-btn:disabled {
  color: #574d45;
  cursor: default;
}
.menu-btn:disabled::before, .menu-btn:disabled::after { display: none; }

.screen-heading {
  font-size: 2rem;
  letter-spacing: 0.3em;
  margin-left: 0.3em;
  text-transform: uppercase;
  color: var(--c-bone);
}

/* ---------- level select ---------- */
.level-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 190px));
  gap: 14px;
  max-width: 860px;
}
@media (max-width: 800px) {
  .level-grid { grid-template-columns: repeat(2, minmax(150px, 1fr)); }
}

.level-card {
  appearance: none;
  font-family: inherit;
  background: rgba(232, 222, 208, 0.05);
  border: 1px solid rgba(138, 127, 118, 0.45);
  color: var(--c-bone);
  padding: 14px 12px 12px;
  cursor: pointer;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 7px;
  transition: border-color 120ms ease, background 120ms ease;
}
.level-card:hover:not(:disabled), .level-card:focus-visible, .level-card.is-focused {
  border-color: var(--c-ember);
  background: rgba(232, 161, 58, 0.08);
  outline: none;
}
.level-card:disabled {
  opacity: 0.38;
  cursor: default;
}

.level-card__num {
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  color: var(--c-ash);
  text-transform: uppercase;
}
.level-card__name {
  font-size: 1.02rem;
  letter-spacing: 0.05em;
}
.level-card__meta {
  font-size: 0.78rem;
  color: var(--c-ash);
  display: flex;
  justify-content: space-between;
}
.level-card__meta .done { color: var(--c-ember); }
.level-card__meta .drops-full { color: var(--c-glaze-pale); }

/* ---------- settings ---------- */
.settings-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 320px;
}
.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
}
.setting-row label { color: var(--c-bone); }

.setting-row input[type="range"] {
  width: 150px;
  accent-color: var(--c-terra);
  cursor: pointer;
}
.toggle-btn {
  appearance: none;
  font-family: inherit;
  background: none;
  border: 1px solid var(--c-ash);
  color: var(--c-bone);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  padding: 5px 16px;
  cursor: pointer;
  min-width: 74px;
}
.toggle-btn.on {
  border-color: var(--c-ember);
  color: var(--c-ember);
}

/* ---------- save code ---------- */
.save-box {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  max-width: 560px;
}
.save-code-area {
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  background: rgba(0,0,0,0.4);
  color: var(--c-glaze-pale);
  border: 1px solid rgba(138,127,118,0.45);
  padding: 10px;
  width: 460px;
  max-width: 82vw;
  height: 74px;
  resize: none;
}
.save-hint { font-size: 0.8rem; color: var(--c-ash); letter-spacing: 0.06em; }
.save-feedback { font-size: 0.85rem; color: var(--c-ember); min-height: 1.2em; letter-spacing: 0.06em; }

/* ---------- HUD ---------- */
#hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
#hud[hidden] { display: none; }

.hud-pot {
  position: absolute;
  top: 20px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hud-pot canvas { display: block; }
.hud-pot__count {
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  color: var(--c-glaze-pale);
  text-shadow: 0 1px 3px rgba(0,0,0,0.7);
}

.hud-level-name {
  position: absolute;
  top: 22px;
  left: 26px;
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-ash);
  text-shadow: 0 1px 3px rgba(0,0,0,0.8);
}

.hud-glyph {
  position: absolute;
  bottom: 18px;
  left: 26px;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: rgba(138, 127, 118, 0.85);
  text-shadow: 0 1px 3px rgba(0,0,0,0.8);
}

/* boss health bar — a cracked amphora silhouette filling */
.boss-bar {
  position: absolute;
  top: 26px;
  left: 50%;
  transform: translateX(-50%);
  width: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}
.boss-bar[hidden] { display: none; }
.boss-bar__label {
  font-size: 0.72rem;
  letter-spacing: 0.4em;
  margin-left: 0.4em;
  text-transform: uppercase;
  color: var(--c-terra);
  text-shadow: 0 1px 3px rgba(0,0,0,0.8);
}
.boss-bar__track {
  width: 100%;
  height: 8px;
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--c-terra-deep);
}
.boss-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--c-terra-deep), var(--c-terra));
  width: 100%;
  transition: width 180ms ease, background 400ms ease;
}
/* the bar heats up as the Kilnheart cracks open */
.boss-bar__fill.p2 {
  background: linear-gradient(90deg, var(--c-terra), var(--c-ember));
}
.boss-bar__fill.p3 {
  background: linear-gradient(90deg, var(--c-ember), var(--c-bone));
  animation: boss-p3-flicker 340ms steps(2) infinite;
}
@keyframes boss-p3-flicker {
  50% { filter: brightness(1.25); }
}

/* toast messages (level complete, drop found...) */
.toast {
  position: absolute;
  top: 18%;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1.15rem;
  letter-spacing: 0.28em;
  margin-left: 0.28em;
  text-transform: uppercase;
  color: var(--c-bone);
  text-shadow: 0 2px 8px rgba(0,0,0,0.9);
  opacity: 0;
  transition: opacity 400ms ease;
  text-align: center;
  white-space: pre-line;
}
.toast.show { opacity: 1; }

/* fade overlay for transitions */
#fader {
  position: absolute;
  inset: 0;
  background: var(--c-soot);
  opacity: 0;
  pointer-events: none;
  transition: opacity 500ms ease;
}
#fader.dark { opacity: 1; }

/* credits / ending */
.credits-roll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  max-width: 500px;
}
.credits-roll h3 {
  font-size: 0.8rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--c-terra);
  margin-top: 16px;
  font-weight: normal;
}
.credits-roll p { font-size: 1rem; color: var(--c-bone); letter-spacing: 0.06em; }
.credits-roll .small { font-size: 0.8rem; color: var(--c-ash); }