/* screens.css - layout for the map, the Caterpillar Garden and the Unicorn Meadow,
   plus the shared character / chip / box furniture. Every layout is verified at
   883x412 (landscape) and 412x883 (portrait); nothing scrolls, nothing clips. */

/* ======================================================================
   Characters (js/world/characters.js)
   Four nested transform layers so nothing clobbers anything:
   .char (place) > .char-breathe (idle) > .char-lean (lookAt) > .char-squash (beats)
   ====================================================================== */

.char {
  position: relative;
  display: block;
  width: var(--char-size, 160px);
  height: var(--char-size, 160px);
  flex: none;
}

.char-breathe,
.char-lean,
.char-squash {
  width: 100%;
  height: 100%;
  transform-origin: 50% 88%;
  will-change: transform;
}

.char-breathe {
  animation: breathe var(--t-breathe) var(--ease-breathe) infinite;
}

.char-lean {
  transition: transform var(--t-look) var(--ease-out);
}

.char-svg,
.char-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.char-img {
  object-fit: contain;
  opacity: 0;
  transition: opacity var(--t-crossfade) linear;
}

.char-img.is-shown {
  opacity: 1;
}

.char-eye {
  transform-box: fill-box;
  transform-origin: center;
  transition: transform var(--t-blink) linear;
}

.char-eye.is-blinking {
  transform: scaleY(0.08);
}

.char-pupil {
  transition: transform var(--t-look) var(--ease-out);
}

.char-mouth-happy,
.char-mouth-cheer,
.char-mouth-sleepy {
  display: none;
}

.char[data-state="happy"] .char-mouth-idle,
.char[data-state="cheer"] .char-mouth-idle,
.char[data-state="sleepy"] .char-mouth-idle {
  display: none;
}
.char[data-state="happy"] .char-mouth-happy,
.char[data-state="cheer"] .char-mouth-cheer,
.char[data-state="sleepy"] .char-mouth-sleepy {
  display: block;
}

.char[data-state="sleepy"] .char-breathe {
  animation-duration: 4200ms;
}

.char-wing {
  transform-box: fill-box;
  transform-origin: 50% 60%;
  animation: flap 520ms var(--ease-breathe) infinite alternate;
}

.char.is-flying .char-wing {
  animation-duration: 170ms;
}

@keyframes breathe {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.03);
  }
}

@keyframes flap {
  from {
    transform: scaleX(1);
  }
  to {
    transform: scaleX(0.72);
  }
}

html.reduced-motion .char-wing,
html.reduced-motion .char-breathe {
  animation: none;
}

@media (prefers-reduced-motion: reduce) {
  .char-wing,
  .char-breathe {
    animation: none;
  }
}

/* ======================================================================
   Shared furniture
   ====================================================================== */

.glow {
  position: relative;
}

.glow::after {
  content: "";
  position: absolute;
  inset: -8%;
  border-radius: var(--r-circle);
  background: radial-gradient(
    circle,
    rgba(255, 242, 168, 0.85) 0%,
    rgba(255, 242, 168, 0.35) 55%,
    rgba(255, 242, 168, 0) 72%
  );
  opacity: 0.45;
  pointer-events: none;
  z-index: -1;
  animation: softpulse 2600ms var(--ease-breathe) infinite;
}

@keyframes softpulse {
  0%,
  100% {
    opacity: 0.32;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.06);
  }
}

html.reduced-motion .glow::after {
  animation: none;
  opacity: 0.5;
}

@media (prefers-reduced-motion: reduce) {
  .glow::after {
    animation: none;
    opacity: 0.5;
  }
}

.card {
  background: var(--paper);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-warm);
  outline: var(--outline) solid var(--ink);
  outline-offset: calc(var(--outline) * -1);
}

.tap {
  transition: transform var(--t-release) var(--ease-overshoot);
  touch-action: manipulation;
}

.tap.is-down {
  transform: scale(0.96);
  transition: none;
}

.chip {
  position: relative;
  display: grid;
  place-items: center;
  width: var(--chip, clamp(76px, 13vmin, 116px));
  height: var(--chip, clamp(76px, 13vmin, 116px));
  border-radius: var(--r-circle);
  background: var(--paper);
  outline: var(--outline) solid var(--ink);
  outline-offset: calc(var(--outline) * -1);
  box-shadow: var(--shadow-warm);
}

.chip > svg {
  width: 78%;
  height: 78%;
  overflow: visible;
}

/* ======================================================================
   Map
   ====================================================================== */

.map {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.map-bg {
  position: absolute;
  inset: 0;
  background: var(--sky-gradient);
}

.cloud {
  position: absolute;
  width: var(--w, 180px);
  height: calc(var(--w, 180px) * 0.42);
  border-radius: var(--r-pill);
  background: rgba(255, 253, 248, 0.92);
  box-shadow: 0 10px 0 rgba(191, 227, 255, 0.35);
  opacity: 0.9;
  animation: drift var(--dur, 90s) linear infinite;
  animation-delay: var(--delay, 0s);
  will-change: transform;
}

.cloud::before,
.cloud::after {
  content: "";
  position: absolute;
  border-radius: var(--r-circle);
  background: inherit;
}

.cloud::before {
  width: 52%;
  height: 118%;
  left: 14%;
  bottom: 28%;
}

.cloud::after {
  width: 40%;
  height: 92%;
  right: 12%;
  bottom: 32%;
}

@keyframes drift {
  from {
    transform: translateX(-24vw);
  }
  to {
    transform: translateX(124vw);
  }
}

.map-hills {
  position: absolute;
  left: -2%;
  right: -2%;
  bottom: -1%;
  width: 104%;
  height: 62%;
  pointer-events: none;
}

.map-rainbow {
  position: absolute;
  left: 50%;
  top: 2%;
  width: min(52vw, 92vh);
  height: min(26vw, 46vh);
  transform: translateX(-50%);
  pointer-events: none;
}

.map-regions {
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(var(--gutter) * 1.2);
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: center;
  gap: clamp(8px, 2.4vmin, 26px);
  padding: 0 var(--gutter);
}

.region {
  position: relative;
  display: grid;
  place-items: end center;
  background: none;
  padding: 0;
}

.region .char {
  --char-size: var(--friend);
}

/* A soft ground shadow so a friend sits on the hill instead of floating over it. */
.region-plinth {
  position: absolute;
  left: 50%;
  bottom: 1%;
  width: 76%;
  height: 11%;
  transform: translateX(-50%);
  border-radius: var(--r-circle);
  background: radial-gradient(closest-side, rgba(74, 59, 52, 0.22), rgba(74, 59, 52, 0));
  z-index: 0;
}

/* Landscape: a single row of five friends across the meadow floor. */
.map-regions {
  --friend: min(17vw, 38vh);
}

@media (orientation: portrait) {
  .map-regions {
    --friend: min(32vw, 17vh);
    bottom: 8%;
  }
  .map-rainbow {
    top: 6%;
    width: min(92vw, 60vh);
    height: min(46vw, 30vh);
  }
  .map-hills {
    height: 48%;
  }
}

/* ======================================================================
   Garden
   ====================================================================== */

.garden,
.meadow {
  position: absolute;
  inset: 0;
  display: grid;
  gap: var(--gutter);
  padding: var(--gutter);
  overflow: hidden;
}

.garden {
  grid-template-columns: minmax(120px, 21%) 1fr minmax(96px, 15%);
  grid-template-rows: 1fr;
  align-items: center;
}

.garden-friend {
  display: grid;
  place-items: center;
  justify-self: center;
  padding-top: calc(var(--btn) * 0.9);
}

.garden-friend .char {
  --char-size: min(19vw, 46vh);
}

.garden-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 0;
}

/* The Tracer mounts three 88 px tool buttons in a column inside this box, so it must
   never be shorter than 336 px or they clip. */
.trace-box {
  position: relative;
  width: min(46vw, 84vh);
  height: min(46vw, 84vh);
  min-width: min(336px, 100%);
  min-height: min(336px, 100%);
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--r-card);
  background: var(--paper);
  outline: var(--outline) solid var(--ink);
  outline-offset: calc(var(--outline) * -1);
  box-shadow: var(--shadow-warm);
  overflow: hidden;
  touch-action: none;
}

.trace-box > * {
  max-width: 100%;
  max-height: 100%;
}

.model-letter {
  position: absolute;
  right: var(--gutter);
  bottom: var(--gutter);
  width: min(13vw, 22vh);
  height: min(13vw, 22vh);
  border-radius: var(--r-small);
  background: rgba(255, 253, 248, 0.85);
  outline: 3px dashed var(--ink-faint);
  padding: 6%;
  pointer-events: none;
}

.garden-next {
  display: grid;
  place-items: center;
  justify-self: center;
  align-self: center;
  padding-top: calc(var(--btn) * 0.9);
}

.sticker-corner {
  position: absolute;
  right: var(--gutter);
  bottom: var(--gutter);
  width: clamp(56px, 9vmin, 88px);
  height: clamp(56px, 9vmin, 88px);
  border-radius: var(--r-card);
  background: var(--lemon);
  outline: var(--outline) solid var(--ink);
  outline-offset: calc(var(--outline) * -1);
  box-shadow: var(--shadow-warm);
  display: grid;
  place-items: center;
  overflow: hidden;
  pointer-events: none;
  z-index: 12;
}

.sticker-corner svg {
  width: 84%;
  height: 84%;
  overflow: hidden;
}

@media (orientation: portrait) {
  .garden {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto;
    padding-top: calc(var(--btn) + var(--gutter) * 1.4);
    justify-items: center;
  }
  .garden-friend {
    padding-top: 0;
  }
  .garden-friend .char {
    --char-size: min(42vw, 20vh);
  }
  .garden-next {
    padding-top: 0;
  }
  .trace-box {
    width: min(86vw, 52vh);
    height: min(86vw, 52vh);
  }
  .model-letter {
    width: min(24vw, 14vh);
    height: min(24vw, 14vh);
  }
}

/* ======================================================================
   Meadow
   ====================================================================== */

/* The word always reads left to right: she is learning to write her name, not to stack
   letters. Landscape is short, so the strip shrinks rather than turning. */
.meadow {
  grid-template-columns: minmax(120px, 22%) 1fr;
  grid-template-rows: auto 1fr;
  align-items: center;
}

.meadow-unicorn {
  grid-row: 1 / span 2;
  display: grid;
  place-items: center;
  padding-top: calc(var(--btn) * 0.9);
}

.meadow-unicorn .char {
  --char-size: min(22vw, 52vh);
}

.word-row {
  --wbox: clamp(34px, 7vmin, 54px);
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  gap: clamp(6px, 1.4vmin, 16px);
  min-width: 0;
}

.wbox {
  position: relative;
  display: grid;
  place-items: center;
  width: var(--wbox, clamp(42px, 8vmin, 76px));
  height: var(--wbox, clamp(42px, 8vmin, 76px));
  flex: none;
  border-radius: var(--r-small);
  background: var(--paper);
  outline: 3px solid var(--ink-faint);
  transition: outline-color var(--t-look) linear, transform var(--t-look) var(--ease-out);
}

.wbox > svg,
.wbox > canvas {
  width: 84%;
  height: 84%;
}

.wbox.is-active {
  outline: var(--outline) solid var(--ink);
  transform: scale(1.08);
}

.wbox.is-done {
  background: var(--mint);
  outline-color: var(--mint-deep);
}

.meadow-stage {
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 0;
}

.meadow-stage .trace-box {
  width: min(38vw, 82vh);
  height: min(38vw, 82vh);
}

@media (orientation: portrait) {
  .meadow {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr;
    padding-top: calc(var(--btn) + var(--gutter) * 1.4);
    justify-items: center;
  }
  .meadow-unicorn {
    grid-row: auto;
    padding-top: 0;
  }
  .meadow-unicorn .char {
    --char-size: min(46vw, 22vh);
  }
  .word-row {
    --wbox: clamp(42px, 9vmin, 76px);
  }
  .meadow-stage .trace-box {
    width: min(84vw, 48vh);
    height: min(84vw, 48vh);
  }
}

/* ======================================================================
   Pip's layer
   ====================================================================== */

.pip {
  position: absolute;
  left: 0;
  top: 0;
  width: var(--pip-size, clamp(64px, 10vmin, 108px));
  height: var(--pip-size, clamp(64px, 10vmin, 108px));
  transform: translate3d(0, 0, 0);
  will-change: transform;
  pointer-events: none;
}

.pip .char {
  --char-size: 100%;
}

.ripple {
  position: absolute;
  width: 18vmin;
  height: 18vmin;
  margin: -9vmin 0 0 -9vmin;
  border-radius: var(--r-circle);
  border: var(--outline) solid var(--lemon-deep);
  opacity: 0.9;
  pointer-events: none;
  animation: ripple 620ms var(--ease-out) forwards;
}

@keyframes ripple {
  from {
    transform: scale(0.25);
    opacity: 0.9;
  }
  to {
    transform: scale(1);
    opacity: 0;
  }
}

html.reduced-motion .ripple {
  animation-duration: 320ms;
}