/* Inkfall — the game shell: canvas, HUD, overlays. */

body.game {
  height: 100dvh;
  overflow: hidden;
  overscroll-behavior: none;
  background: radial-gradient(130% 100% at 50% 0%, var(--desk-2), var(--desk) 72%);
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

#stage {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100dvh;
  display: block;
  touch-action: none;
  cursor: crosshair;
}

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

.hud {
  position: fixed;
  inset: 0;
  z-index: 5;
  pointer-events: none;
}

.hud[hidden] {
  display: none;
}

.hud__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
  padding-top: calc(0.6rem + env(safe-area-inset-top));
  padding-left: calc(0.7rem + env(safe-area-inset-left));
  padding-right: calc(0.7rem + env(safe-area-inset-right));
}

.hud__side {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lives {
  display: flex;
  gap: 0.28rem;
  align-items: center;
}

.blob {
  width: 1.05rem;
  height: 0.95rem;
  background: var(--ink);
  border-radius: 55% 45% 60% 40% / 60% 55% 45% 50%;
  transition: transform 0.25s ease, background 0.25s ease, opacity 0.25s ease;
}

.blob.spent {
  background: rgba(23, 26, 46, 0.16);
  transform: scale(0.72);
}

.pagebox {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  background: rgba(244, 239, 226, 0.85);
  border: 2px solid var(--ink);
  border-radius: 999px;
  padding: 0.1rem 0.6rem 0.2rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.pagebox span {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0;
  color: var(--ink);
}

.scorebox {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 0.9;
}

.scorebox__num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--ink);
  text-shadow: 0 1px 0 rgba(244, 239, 226, 0.8);
}

.scorebox__label {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.iconbtn {
  pointer-events: auto;
  width: 2.35rem;
  height: 2.35rem;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  color: var(--ink);
  background: rgba(244, 239, 226, 0.85);
  border: 2px solid var(--ink);
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.iconbtn:hover {
  background: var(--ink);
  color: var(--paper);
}

.iconbtn:active {
  transform: scale(0.92);
}

/* Ink meter */

.inkbar {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(0.8rem + env(safe-area-inset-bottom));
  width: min(23rem, 76vw);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.65rem;
  background: rgba(244, 239, 226, 0.86);
  border: 2.5px solid var(--ink);
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.28);
}

.inkbar__icon {
  font-size: 1rem;
  color: var(--ink);
}

.inkbar__track {
  position: relative;
  flex: 1;
  height: 0.62rem;
  background: rgba(23, 26, 46, 0.13);
  border-radius: 999px;
  overflow: hidden;
}

.inkbar__fill {
  height: 100%;
  width: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #2a5f89, var(--drop) 65%, #4f95c9);
  transition: width 0.1s linear;
}

.inkbar__num {
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink-soft);
  min-width: 2ch;
  text-align: right;
}

.inkbar.low .inkbar__fill {
  background: linear-gradient(90deg, #9c3c36, var(--danger));
}

.inkbar.low {
  animation: inkpulse 0.85s ease-in-out infinite;
}

.inkbar.dry {
  border-color: var(--danger);
}

@keyframes inkpulse {
  50% {
    box-shadow: 0 6px 16px rgba(191, 68, 60, 0.6);
  }
}

.hint {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(3.6rem + env(safe-area-inset-bottom));
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--ink);
  background: rgba(244, 239, 226, 0.7);
  padding: 0 0.6rem;
  border-radius: 999px;
  opacity: 0;
  transition: opacity 0.6s ease;
  white-space: nowrap;
}

.hint.show {
  opacity: 1;
}

/* ---------- Overlays ---------- */

.overlay {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  padding: var(--space-4) var(--space-3);
  background: rgba(18, 13, 11, 0.55);
  overflow-y: auto;
  touch-action: pan-y;
}

.overlay[hidden] {
  display: none;
}

.sheet {
  position: relative;
  width: min(33rem, 100%);
  margin: auto;
  padding: clamp(1.1rem, 4vw, 1.9rem);
  background: var(--paper);
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0 30px,
    rgba(169, 192, 216, 0.32) 30px 31px
  );
  border: 2.5px solid var(--ink);
  border-radius: 14px;
  box-shadow: var(--shadow);
  text-align: center;
}

.sheet::before {
  content: "";
  position: absolute;
  inset: 8px 8px auto 8px;
  height: 2px;
  background: var(--margin-line);
  opacity: 0.45;
}

.kicker {
  margin: 0 0 0.2rem;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.title {
  position: relative;
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: clamp(3.4rem, 16vw, 5.6rem);
  line-height: 0.85;
  letter-spacing: 0.01em;
}

.title::after {
  content: "";
  position: absolute;
  left: 12%;
  right: 12%;
  bottom: -0.35rem;
  height: 0.45rem;
  background: var(--ink);
  opacity: 0.85;
  border-radius: 60% 40% 55% 45% / 100% 100% 100% 100%;
}

.title--sm {
  font-size: clamp(2.3rem, 10vw, 3.2rem);
  margin-bottom: 0.6rem;
}

.title--sm::after {
  display: none;
}

.drip {
  position: absolute;
  top: 0.55em;
  left: 78%;
  width: 0.34rem;
  height: 0.34rem;
  border-radius: 50% 50% 50% 50% / 70% 70% 40% 40%;
  background: var(--ink);
  opacity: 0;
  animation: drip 3.4s ease-in 1.2s infinite;
}

@keyframes drip {
  0% {
    opacity: 0;
    transform: translateY(0) scale(0.6);
  }
  8% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  40% {
    opacity: 1;
    transform: translateY(3.4rem) scale(0.85);
  }
  55% {
    opacity: 0;
    transform: translateY(4rem) scale(0.7);
  }
  100% {
    opacity: 0;
  }
}

.tagline {
  max-width: 30rem;
  margin: 0 auto var(--space-4);
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1.2;
  color: var(--ink-soft);
}

.how {
  list-style: none;
  margin: 0 auto var(--space-4);
  padding: 0;
  max-width: 30rem;
  display: grid;
  gap: 0.45rem;
  text-align: left;
  font-size: 0.94rem;
  color: var(--ink-soft);
}

.how li {
  position: relative;
  padding-left: 1.5rem;
}

.how li::before {
  content: "";
  position: absolute;
  left: 0.1rem;
  top: 0.42em;
  width: 0.62rem;
  height: 0.56rem;
  background: var(--ink);
  border-radius: 55% 45% 60% 40% / 60% 55% 45% 50%;
}

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

.menu__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  justify-content: center;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
  line-height: 1;
  padding: 0.5rem 1.25rem 0.62rem;
  background: var(--paper);
  color: var(--ink);
  border: 2.5px solid var(--ink);
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 3px 0 var(--ink);
  transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.15s ease,
    color 0.15s ease;
}

.btn:hover {
  background: var(--ink);
  color: var(--paper);
}

.btn:active {
  transform: translateY(3px);
  box-shadow: 0 0 0 var(--ink);
}

.btn--primary {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 0 3px 0 var(--drop);
}

.btn .icon {
  font-size: 0.82em;
  opacity: 0.9;
}

.best .icon {
  font-size: 0.9em;
  color: var(--drop);
  vertical-align: -0.08em;
}

.btn--primary:hover {
  background: var(--drop);
  color: #fff;
  box-shadow: 0 3px 0 var(--ink);
}

.best,
.credit,
.footnote {
  margin: var(--space-3) 0 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--ink-soft);
}

.credit,
.footnote {
  font-family: var(--font-text);
  font-size: 0.78rem;
  color: var(--ink-faint);
}

.credit a {
  color: var(--ink-soft);
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45rem;
  max-width: 22rem;
  margin: 0 auto var(--space-4);
  text-align: left;
}

.stats > div {
  background: rgba(23, 26, 46, 0.055);
  border-radius: 8px;
  padding: 0.3rem 0.55rem 0.4rem;
}

.stats dt {
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.stats dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.85rem;
  line-height: 1;
}

#trace {
  display: block;
  width: 100%;
  max-width: 21rem;
  height: auto;
  margin: 0 auto var(--space-4);
}

.badge {
  display: inline-block;
  margin: 0 0 0.4rem;
  padding: 0.1rem 0.7rem 0.2rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--paper);
  background: var(--drop);
  border-radius: 999px;
  transform: rotate(-2deg);
}

.badge[hidden] {
  display: none;
}

@media (max-width: 420px) {
  .scorebox__num {
    font-size: 1.7rem;
  }

  .iconbtn {
    width: 2.1rem;
    height: 2.1rem;
  }

  .how {
    font-size: 0.88rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .drip {
    animation: none;
  }

  .inkbar.low {
    animation: none;
  }
}