:root {
  --sky-top: #FDF3C8; --sky: #FBE7A6; --hill: #A9CF8E; --grass: #8DC178; --grass-dark: #76AE62;
  --night-top: #1F2A4D; --night: #2E3A5C; --night-hill: #3C5A4A; --night-grass: #324C3A;
  --ink: #1F2426; --muted: rgba(31,36,38,.55); --card: #FFFDF6; --ok: #3C9A5F; --gold: #F2B632; --water: #7FB7D9; --wood: #C98B55;
  --tile: clamp(84px, 16vmin, 150px); --type: clamp(34px, 7vmin, 64px);
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; height: 100%; background: var(--sky); font-family: Lexend, system-ui, sans-serif; color: var(--ink); overflow: hidden; touch-action: manipulation; user-select: none; -webkit-user-select: none; }
#app { position: relative; width: 100vw; height: 100dvh; overflow: hidden; }
.sky { position: absolute; inset: 0; background: linear-gradient(var(--sky-top), var(--sky) 70%); transition: background 1.2s; }
.hills { position: absolute; left: -10%; right: -10%; top: 54%; height: 20%; background: var(--hill); border-radius: 50% 50% 0 0 / 100% 100% 0 0; transition: background 1.2s; }
.ground { position: absolute; left: 0; right: 0; top: 64%; bottom: 0; background: linear-gradient(var(--grass), var(--grass-dark)); transition: background 1.2s; }
.stars { position: absolute; inset: 0 0 36%; opacity: 0; transition: opacity 1.2s; pointer-events: none;
  background-image: radial-gradient(#fff 1px, transparent 1.5px), radial-gradient(#fff 1.5px, transparent 2px), radial-gradient(rgba(255,255,255,.6) 1px, transparent 1.5px);
  background-size: 140px 120px, 220px 180px, 90px 70px; background-position: 20px 10px, 60px 40px, 0 0; }
.night .sky { background: linear-gradient(var(--night-top), var(--night) 70%); }
.night .hills { background: var(--night-hill); } .night .ground { background: linear-gradient(var(--night-grass), #273B2C); }
.night .stars { opacity: 1; }
@media (orientation: landscape) { .hills { top: 56%; } .ground { top: 66%; } }

/* ---- top ---- */
.top { position: absolute; top: 0; left: 0; right: 0; padding: calc(14px + env(safe-area-inset-top)) 20px 0; display: flex; justify-content: space-between; align-items: center; z-index: 4; }
.dots { display: flex; gap: 8px; }
.dots i { width: 10px; height: 10px; border-radius: 50%; background: rgba(31,36,38,.18); transition: all .4s; }
.dots i.done { background: var(--ok); } .dots i.now { background: var(--ink); transform: scale(1.3); }
.night .dots i { background: rgba(255,255,255,.25); } .night .dots i.now { background: #fff; }
.mic { display: flex; align-items: center; gap: 8px; color: var(--muted); }
.night .mic { color: rgba(255,255,255,.7); }
.mic i { display: inline-block; width: 56px; height: 8px; border-radius: 4px; background: rgba(31,36,38,.12); overflow: hidden; }
.mic i b { display: block; height: 100%; width: 0; background: var(--ok); transition: width .08s; }
.world { position: absolute; inset: 0; }

/* ---- Opa ---- */
.opa-wrap { position: absolute; left: 50%; top: 64%; width: clamp(180px, 36vmin, 360px); transform: translate(-50%, -82%); z-index: 2; transition: left .5s; }
@media (orientation: landscape) { .opa-wrap { top: 66%; } }
.shadow { position: absolute; left: 20%; right: 20%; bottom: -4%; height: 8%; background: rgba(31,36,38,.18); border-radius: 50%; filter: blur(2px); }
.opa { width: 100%; display: block; transform-origin: 50% 92%; transition: transform .4s; cursor: pointer; }
.opa .f { transform-origin: 122px 80px; transition: transform .4s cubic-bezier(.3,1.6,.5,1); }
.opa .f1 { transform: rotate(42deg) scale(.55); } .opa .f2 { transform: rotate(28deg) scale(.62); } .opa .f3 { transform: rotate(10deg) scale(.7); }
.opa .f4 { transform: rotate(-10deg) scale(.7); } .opa .f5 { transform: rotate(-28deg) scale(.62); } .opa .f6 { transform: rotate(-42deg) scale(.55); }
.opa.up .f, .opa.hop .f { transform: none; }
.opa.listen .f3, .opa.listen .f4 { transform: scale(1); }
.opa.sleep .f { transform: rotate(60deg) scale(.45); } .opa.sleep .f4, .opa.sleep .f5, .opa.sleep .f6 { transform: rotate(-60deg) scale(.45); }
.opa .lid { transform: translateY(-14px); opacity: 0; transition: transform .18s, opacity .12s; }
.opa.sleep .lid, .opa.blink .lid { transform: translateY(0); opacity: 1; }
.opa .pupil { transition: transform .3s; }
.opa.listen .pupil { transform: translateX(-3px); }
.opa .beak-lo { transition: transform .15s; }
.opa .beak-up { transition: transform .15s; transform-origin: 120px 118px; }
.opa.open .beak-lo { transform: translateY(9px); }
.opa.open .beak-up { transform: scaleY(.8); }
.opa .wing { transform-origin: 70px 170px; transition: transform .3s; }
.opa .wing-r { transform-origin: 170px 170px; }
.opa.hop .wing-l, .opa.giggle .wing-l { transform: rotate(-30deg); } .opa.hop .wing-r, .opa.giggle .wing-r { transform: rotate(30deg); }
.opa.idle { animation: breathe 3.2s ease-in-out infinite; }
.opa.hop { animation: hop .6s cubic-bezier(.3,.8,.4,1); }
.opa.hic { animation: hic .5s; }
.opa.giggle { animation: giggle .45s; }
.opa.listen { animation: lean 1.1s ease-in-out infinite alternate; }
.opa.sleep { animation: snore 2.6s ease-in-out infinite; }
@keyframes breathe { 50% { transform: scaleY(1.025) scaleX(.99); } }
@keyframes snore { 50% { transform: scaleY(1.04) scaleX(.98) translateY(2%); } }
@keyframes hop { 25% { transform: scaleY(.88) scaleX(1.08); } 55% { transform: translateY(-26%) scaleY(1.08) scaleX(.95) rotate(-3deg); } 85% { transform: scaleY(.94) scaleX(1.04); } }
@keyframes hic { 30% { transform: scale(1.1, .9); } 60% { transform: scale(.95, 1.08) rotate(-6deg); } }
@keyframes giggle { 25% { transform: rotate(-7deg); } 75% { transform: rotate(7deg); } }
@keyframes lean { to { transform: rotate(-5deg) translateY(-3%); } }

/* ---- speech ---- */
.bubble { position: absolute; left: 50%; top: calc(12% + env(safe-area-inset-top)); transform: translateX(-50%); max-width: min(86vw, 560px); background: var(--card); border-radius: 26px; padding: clamp(12px, 2vmin, 20px) clamp(18px, 3vmin, 30px); font-weight: 500; font-size: clamp(20px, 3.4vmin, 32px); line-height: 1.3; z-index: 3; box-shadow: 0 6px 0 rgba(31,36,38,.08), 0 10px 30px rgba(31,36,38,.08); text-align: center; }
.bubble::after { content: ""; position: absolute; left: 50%; bottom: -12px; margin-left: -12px; border: 12px solid transparent; border-top-color: var(--card); border-bottom: 0; }
.bubble b { font-size: 1.3em; letter-spacing: 2px; }
.bubble .spk { width: 1.5em; height: 1.5em; border-radius: 50%; border: 0; background: var(--ink); color: #fff; cursor: pointer; font-size: .9em; margin-left: 10px; vertical-align: middle; }
.bubble .spk:active { transform: scale(.92); }
@media (orientation: landscape) { .bubble { top: calc(8% + env(safe-area-inset-top)); } }

/* ---- stage ---- */
.stage { position: absolute; left: 0; right: 0; bottom: 0; padding: 0 20px calc(28px + env(safe-area-inset-bottom)); z-index: 3; display: flex; flex-direction: column; align-items: center; }
.tiles { display: flex; gap: clamp(12px, 2.4vmin, 24px); justify-content: center; }
.tile { width: var(--tile); height: var(--tile); border: 0; border-radius: 24%; background: var(--card); color: var(--ink); font: 700 var(--type)/1 Lexend, sans-serif; letter-spacing: 1px; cursor: pointer; position: relative;
  box-shadow: 0 6px 0 #D9CFB4, 0 10px 24px rgba(31,36,38,.12), inset 0 2px 0 #fff; transition: transform .12s, box-shadow .12s, opacity .3s, background .3s; }
.tile:active { transform: translateY(5px); box-shadow: 0 1px 0 #D9CFB4, inset 0 2px 0 #fff; }
.tile:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; }
.tile.dim { opacity: .35; }
.tile.pulse { animation: pulse 1.3s infinite; }
.tile.glow { box-shadow: 0 0 0 calc(var(--lvl, 0) * 26px) rgba(242,182,50,.5), 0 6px 0 #D9CFB4, 0 10px 24px rgba(31,36,38,.12); }
.tile.shake { animation: shake .35s; }
.tile.ok { background: var(--ok); color: #fff; box-shadow: 0 6px 0 #2C7A49; }
.tile.fly { pointer-events: none; z-index: 5; }
@keyframes pulse { 50% { transform: scale(1.06); } }
@keyframes shake { 25% { transform: translateX(-8px) rotate(-2deg); } 75% { transform: translateX(8px) rotate(2deg); } }
.btn { display: block; margin: 16px auto 0; border: 0; border-radius: 999px; background: var(--ink); color: #fff; font: 500 clamp(18px, 2.8vmin, 26px) Lexend, sans-serif; padding: .8em 1.8em; cursor: pointer; box-shadow: 0 6px 0 rgba(0,0,0,.25); }
.btn:active { transform: translateY(4px); box-shadow: 0 2px 0 rgba(0,0,0,.25); }
.btn.icon { width: clamp(72px, 12vmin, 110px); height: clamp(72px, 12vmin, 110px); padding: 0; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.btn.icon svg { width: 54%; height: 54%; }
.btn.icon.big { width: clamp(96px, 16vmin, 140px); height: clamp(96px, 16vmin, 140px); }
.choice button svg { display: block; width: clamp(64px, 12vmin, 110px); height: auto; margin: 0 auto; }
.bubble .spk svg { width: 60%; height: 60%; }
.opa-wrap.hint::before { content: ""; position: absolute; left: 50%; top: 50%; width: 110%; aspect-ratio: 1; border-radius: 50%; transform: translate(-50%, -50%); border: 4px solid rgba(255,255,255,.9); animation: ring 1.4s ease-out infinite; pointer-events: none; }
@keyframes ring { 0% { transform: translate(-50%,-50%) scale(.75); opacity: 1; } 100% { transform: translate(-50%,-50%) scale(1.15); opacity: 0; } }
.sign { cursor: pointer; }
.sign.glow { box-shadow: 0 0 0 calc(var(--lvl, 0) * 26px) rgba(242,182,50,.5), 0 4px 0 rgba(31,36,38,.12); animation: signbreathe 2.8s ease-in-out infinite; }
@keyframes signbreathe { 50% { transform: translate(-50%, -100%) scale(1.04); box-shadow: 0 0 0 10px rgba(242,182,50,.35), 0 4px 0 rgba(31,36,38,.12); } }
.night .btn { background: #fff; color: var(--ink); }
.choice { display: flex; gap: clamp(14px, 3vmin, 28px); }
.choice button { width: clamp(130px, 24vmin, 220px); border: 0; border-radius: 28px; background: var(--card); padding: 18px 10px; font: 500 clamp(17px, 2.6vmin, 24px) Lexend, sans-serif; cursor: pointer; box-shadow: 0 6px 0 #D9CFB4, 0 10px 24px rgba(31,36,38,.12); }
.choice button:active { transform: translateY(5px); box-shadow: 0 1px 0 #D9CFB4; }
.choice button span { display: block; font-size: clamp(44px, 9vmin, 80px); margin-bottom: 6px; }
.vocab { position: absolute; left: 20px; top: calc(48px + env(safe-area-inset-top)); display: flex; gap: 6px; flex-wrap: wrap; z-index: 2; max-width: 40vw; }
.vocab span { background: rgba(255,255,255,.5); border-radius: 12px; padding: 5px 11px; font-size: clamp(13px, 2vmin, 18px); font-weight: 700; color: rgba(31,36,38,.35); transition: all .4s; }
.vocab span.got { background: var(--card); color: var(--ink); box-shadow: 0 2px 0 rgba(31,36,38,.1); }
.vocab span.new { animation: pop .5s; }
@keyframes pop { 50% { transform: scale(1.25); } }
.night .vocab span { background: rgba(255,255,255,.12); color: rgba(255,255,255,.35); } .night .vocab span.got { background: var(--card); color: var(--ink); }
@media (max-width: 520px) and (orientation: portrait) {
  .vocab { max-width: none; right: 20px; top: calc(44px + env(safe-area-inset-top)); flex-wrap: nowrap; gap: 4px; }
  .vocab span { font-size: 12px; padding: 3px 7px; border-radius: 9px; }
  .bubble { top: calc(16% + env(safe-area-inset-top)); }
}

/* ---- world props ---- */
/* door: arched frame, dark inside, a leaf that swings open, a step */
.door { --dw: clamp(100px, 18vmin, 180px); position: absolute; left: 66%; top: 64%; width: var(--dw); height: calc(var(--dw) * 1.6); transform: translateY(-100%); z-index: 1; }
.door .frame { position: absolute; inset: -5% -9% 0; background: #7A4E22; border-radius: 50% 50% 0 0 / 32% 32% 0 0; box-shadow: 0 6px 0 rgba(31,36,38,.12); }
.door .inside { position: absolute; inset: 0; background: linear-gradient(#2A1F17, #4A3220); border-radius: 50% 50% 0 0 / 30% 30% 0 0; }
.door .leaf { position: absolute; inset: 0; background: linear-gradient(90deg, #D9A264, #C98B55 60%, #B5763F); border-radius: 50% 50% 0 0 / 30% 30% 0 0; box-shadow: inset 0 0 0 5px rgba(0,0,0,.08); transform-origin: left; transition: transform .9s cubic-bezier(.4,0,.3,1); backface-visibility: hidden; }
.door .leaf::before, .door .leaf::after { content: ""; position: absolute; left: 20%; right: 20%; border: 3px solid rgba(0,0,0,.13); border-radius: 10px; }
.door .leaf::before { top: 22%; height: 20%; } .door .leaf::after { top: 54%; height: 32%; }
.door .knob { position: absolute; right: 13%; top: 50%; width: 9%; aspect-ratio: 1; border-radius: 50%; background: #2B2B2B; box-shadow: 0 2px 0 rgba(0,0,0,.3); }
.door .step { position: absolute; left: -14%; right: -14%; top: 100%; height: 6%; background: #8E8A80; border-radius: 4px; box-shadow: 0 3px 0 rgba(31,36,38,.15); }
.door.open .leaf { transform: perspective(500px) rotateY(-100deg); }
.sign { position: absolute; left: calc(66% + var(--dw, 140px) / 2); top: calc(64% - clamp(100px, 18vmin, 180px) * 1.6 - 2vmin); transform: translate(-50%, -100%); background: var(--card); border: 3px solid var(--ink); border-radius: 12px; padding: 4px 18px; font: 700 clamp(28px, 5vmin, 44px) Lexend, sans-serif; z-index: 2; box-shadow: 0 4px 0 rgba(31,36,38,.12); --dw: clamp(100px, 18vmin, 180px); }
.sign::after { content: ""; position: absolute; left: 50%; bottom: -2vmin; width: 6px; height: 2vmin; background: var(--ink); margin-left: -3px; }
/* dog: waits in the dark doorway, trots out, barks, runs off */
.dog { position: absolute; left: 66%; top: 64%; width: clamp(110px, 20vmin, 200px); transform: translate(10%, -92%) scale(.6); opacity: 0; transition: transform .7s cubic-bezier(.3,1.3,.5,1), opacity .3s; z-index: 1; }
.dog svg { width: 100%; display: block; }
.dog .tail { transform-origin: 28px 62px; }
.dog.in { opacity: 1; transform: translate(-60%, -92%) scale(1); }
.dog.in .tail { animation: wag .35s ease-in-out infinite alternate; }
.dog.bark svg { animation: bark .3s 3; }
.dog.away { transform: translate(140vw, -92%) scale(1) scaleX(-1); transition: transform 1.4s cubic-bezier(.5,0,1,1); }
@keyframes wag { to { transform: rotate(40deg); } }
@keyframes bark { 50% { transform: translateY(-8%) rotate(-4deg); } }
/* stream: banks, moving waves */
.stream { position: absolute; left: 0; right: 0; top: 64%; height: 14%; z-index: 1; display: block; }
.stream .waves { animation: flow 2.4s linear infinite; }
@keyframes flow { to { transform: translateX(20px); } }
.bank { position: absolute; left: 0; right: 0; height: 2.2%; z-index: 1; background: var(--grass-dark); }
.bank-top { top: 64%; transform: translateY(-50%); border-radius: 0 0 50% 50% / 0 0 100% 100%; }
.bank-bottom { top: 78%; transform: translateY(-50%); border-radius: 50% 50% 0 0 / 100% 100% 0 0; }
.stones { position: absolute; left: 0; right: 0; top: calc(64% + 7%); transform: translateY(-50%); display: flex; justify-content: space-evenly; z-index: 3; padding: 0 6vw; }
.stones .tile { width: clamp(76px, 14vmin, 130px); height: clamp(76px, 14vmin, 130px); border-radius: 46% 54% 50% 50%; background: #B7BBB4; color: var(--ink); box-shadow: 0 6px 0 #7F857C, inset 0 3px 0 #D6D9D3; font-size: calc(var(--type) * .8); }
.stones .tile.ok { background: var(--ok); color: #fff; box-shadow: 0 6px 0 #2C7A49; }
.splash { position: absolute; left: 50%; top: 66%; width: clamp(60px, 10vmin, 100px); opacity: 0; transform: translateX(-50%); z-index: 3; }
.splash svg { width: 100%; display: block; }
.splash.on { animation: splash .6s; }
@keyframes splash { 30% { opacity: 1; transform: translateX(-50%) translateY(-30px); } 100% { opacity: 0; } }
.slots { display: flex; gap: clamp(12px, 2vmin, 20px); justify-content: center; margin-bottom: clamp(14px, 2.4vmin, 24px); }
.slot { width: calc(var(--tile) * .8); height: calc(var(--tile) * .8); border-radius: 24%; background: rgba(31,36,38,.08); border: 3px dashed rgba(31,36,38,.25); display: flex; align-items: center; justify-content: center; font: 700 calc(var(--type) * .8) Lexend, sans-serif; }
.slot.full { background: var(--card); border-style: solid; border-color: var(--card); box-shadow: 0 4px 0 #D9CFB4; }
.bowl { position: absolute; left: 50%; top: 66%; transform: translate(-50%, -100%); width: clamp(70px, 13vmin, 130px); z-index: 2; opacity: .35; filter: grayscale(1); transition: all .5s; }
.bowl svg { width: 100%; display: block; }
.bowl.on { opacity: 1; filter: none; }
.bubble .ic { width: 1.5em; height: 1.5em; vertical-align: middle; display: inline-block; }
.summary .ic { width: 1.4em; height: 1.4em; vertical-align: middle; margin-right: 4px; }
.text { background: var(--card); border-radius: 24px; padding: clamp(12px, 2vmin, 20px) clamp(18px, 3vmin, 30px); font: 700 clamp(28px, 6vmin, 56px)/1.6 Lexend, sans-serif; letter-spacing: 3px; margin-bottom: 8px; box-shadow: 0 6px 0 #D9CFB4; }
.text .ln { padding: 2px 14px; border-radius: 14px; transition: background .3s; }
.text .ln.on { background: var(--sky); }
.text i { font-style: normal; } .text i:nth-child(even) { color: #2B5F9E; }
.zz { position: absolute; left: 58%; top: 40%; font: 700 clamp(26px, 5vmin, 44px) Lexend, sans-serif; color: #fff; animation: zz 2s infinite; z-index: 2; }
@keyframes zz { 50% { transform: translateY(-14px); opacity: .5; } }
.summary { background: var(--card); border-radius: 24px; padding: 16px 22px; font-size: clamp(15px, 2.2vmin, 20px); line-height: 1.6; margin-bottom: 8px; box-shadow: 0 6px 0 #D9CFB4; max-width: 560px; }
.summary b { display: block; font-size: .85em; color: var(--muted); font-weight: 500; margin-bottom: 4px; }
.start { display: flex; flex-direction: column; align-items: center; }
.start h1 { font: 700 clamp(48px, 10vmin, 96px)/1 Lexend, sans-serif; letter-spacing: 6px; margin: 0 0 4px; color: var(--ink); }
.start p { margin: 0 0 18px; color: var(--muted); font-size: clamp(16px, 2.4vmin, 22px); }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }