:root{--garden:#0b6b53;--garden-dark:#123c37;--lime:#a9e34b;--cream:#fffdf4;--ink:#17343b;--muted:#55716f;--coral:#ff7657;--purple:#7659d6}
*[hidden]{display:none!important}
*{box-sizing:border-box}body{margin:0;overflow-x:hidden;background:#eaf7e9;color:var(--ink)}button,select,a{font:inherit}.snake-game{min-height:calc(100vh - 56px);padding:14px clamp(14px,3vw,34px) 24px;background:radial-gradient(circle at 20% 10%,#fff8c9 0,transparent 22%),radial-gradient(circle at 88% 15%,#c3f2dd 0,transparent 24%),linear-gradient(160deg,#f7fbdf,#d9f2e3 58%,#d7e8cd);position:relative;isolation:isolate}.snake-game:before,.snake-game:after{content:"";position:fixed;z-index:-1;border-radius:50%;filter:blur(1px);opacity:.55}.snake-game:before{width:240px;height:240px;background:#ffd971;left:-100px;bottom:-100px}.snake-game:after{width:190px;height:190px;background:#99daba;right:-70px;bottom:40px}.game-heading{width:min(1040px,100%);margin:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}.eyebrow,.start-kicker,.result-kicker{text-transform:uppercase;letter-spacing:.13em;font-weight:900;color:#1a7a5e;font-size:.72rem;margin:0 0 2px}.game-heading h1{font-family:'Playfair Display',Georgia,serif;font-size:clamp(1.55rem,4vw,2.25rem);line-height:1;margin:0;color:#123c37}.help-button{min-height:48px;border:2px solid #fff;border-radius:999px;background:#fff;color:#164a43;font-weight:900;padding:8px 16px;box-shadow:0 6px 18px #225b4330;cursor:pointer}.help-button:focus-visible,.mode-card:focus-visible,.primary-action:focus-visible,.secondary-action:focus-visible,.dpad button:focus-visible,.text-action:focus-visible,select:focus-visible{outline:4px solid #172554;outline-offset:3px}.scoreboard{width:min(760px,100%);margin:10px auto;display:flex;justify-content:center;gap:8px;flex-wrap:wrap}.stat,.quest-stat{min-width:112px;min-height:56px;padding:7px 14px;border:2px solid #fff;border-radius:18px;background:#ffffffd9;display:flex;align-items:center;gap:9px;box-shadow:0 5px 15px #285a4630}.stat>span:first-child,.quest-stat>span:first-child{font-size:1.45rem}.stat small,.quest-stat small,.mode-badge small{display:block;color:var(--muted);font-size:.67rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.stat strong,.quest-stat strong{font-size:1.22rem}.quest-stat{background:#fff2b8;border-color:#ffd44d}.play-layout{width:min(1040px,100%);margin:auto;display:grid;grid-template-columns:minmax(300px,620px) minmax(240px,300px);align-items:center;justify-content:center;gap:clamp(16px,3vw,34px)}.board-shell{position:relative;width:min(100%,620px);aspect-ratio:1;background:#fffdf4;padding:12px;border-radius:34px;box-shadow:0 20px 50px #245b4230,0 0 0 3px #ffffffaa;overflow:hidden}.board-shell canvas{display:block;width:100%;height:100%;border-radius:24px;background:#dff4c8;touch-action:none}.board-message{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:none;flex-direction:column;align-items:center;text-align:center;min-width:62%;padding:18px 22px;background:#103f3be8;color:#fff;border:2px solid #ffffff80;border-radius:20px;box-shadow:0 10px 30px #102d2870;pointer-events:none}.board-message.is-visible{display:flex}.board-message strong{font-size:1.35rem}.board-message span{font-weight:700;margin-top:3px}.start-card{position:absolute;inset:12px;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:clamp(15px,4vw,34px);background:linear-gradient(155deg,#fffef5f5,#eff9def5);border-radius:24px;text-align:center;overflow:auto}.start-card[hidden]{display:none}.start-kicker{font-size:.8rem;margin-bottom:12px}.mode-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;width:100%}.mode-card{min-height:145px;padding:13px 10px;border:3px solid transparent;border-radius:20px;background:#fff;box-shadow:0 7px 18px #315b4430;color:var(--ink);cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center}.mode-card:hover{transform:translateY(-2px)}.mode-card.is-selected{border-color:#168a67;background:#e8fff0;box-shadow:0 0 0 3px #a9e8c8,0 8px 20px #315b4430}.mode-icon{font-size:2rem}.mode-card strong{font-size:1rem}.mode-card small{display:block;color:var(--muted);line-height:1.25;margin-top:4px}.speed-control{display:flex;align-items:center;gap:10px;font-weight:900;margin:16px 0 12px}.speed-control select{min-height:44px;border:2px solid #94b7a8;border-radius:12px;background:#fff;color:var(--ink);font-weight:800;padding:5px 34px 5px 10px}.primary-action{min-height:52px;border:0;border-radius:15px;background:linear-gradient(135deg,#078667,#11a879);color:#fff;font-weight:900;padding:11px 25px;box-shadow:0 7px 0 #075d4c,0 12px 22px #174c3f36;cursor:pointer}.primary-action:active{transform:translateY(4px);box-shadow:0 3px 0 #075d4c}.control-panel{display:flex;flex-direction:column;align-items:center}.mode-badge{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;background:#fffdf0;border:2px solid #fff;border-radius:18px;padding:10px;box-shadow:0 7px 20px #315b4430}.mode-badge>span:first-child{font-size:1.75rem}.mode-badge strong{display:block}.control-hint{min-height:44px;text-align:center;color:#3c5a57;font-weight:800;margin:10px 0}.dpad{display:grid;grid-template:repeat(3,68px)/repeat(3,68px);gap:8px;padding:13px;border-radius:28px;background:#ffffffba;border:2px solid #fff;box-shadow:0 12px 28px #315b4430}.dpad button{border:2px solid #ffffffb8;border-radius:18px;color:#fff;background:linear-gradient(145deg,#10a77b,#087064);box-shadow:0 6px 0 #07584e,0 9px 16px #0c564a38;font-size:2rem;font-weight:900;cursor:pointer}.dpad button:active{transform:translateY(4px);box-shadow:0 2px 0 #07584e}.dpad .up{grid-area:1/2}.dpad .left{grid-area:2/1}.dpad .right{grid-area:2/3}.dpad .down{grid-area:3/2}.dpad-center{grid-area:2/2;display:grid;place-items:center;border-radius:50%;background:#d6f2d4;font-size:2rem}.action-row{display:flex;gap:10px;width:100%;margin-top:14px}.secondary-action{min-height:52px;flex:1;border:2px solid #fff;border-radius:15px;color:#fff;font-weight:900;box-shadow:0 7px 18px #315b4430;cursor:pointer}.secondary-action:disabled{opacity:.5;cursor:not-allowed}.pause{background:#d7632f}.restart{background:#6b52c7}.keyboard-note{text-align:center;color:#48635f;font-size:.78rem;font-weight:700}.celebration{position:absolute;inset:0;pointer-events:none;overflow:hidden}.spark{position:absolute;width:11px;height:11px;border-radius:50%;animation:spark .7s ease-out forwards}.result-modal{position:fixed;inset:0;z-index:10020;display:grid;place-items:center;padding:18px;background:#102a2dc9;backdrop-filter:blur(5px)}.result-modal[hidden]{display:none}.result-card{width:min(470px,100%);max-height:92vh;overflow:auto;background:#fffef7;border:3px solid #fff;border-radius:30px;padding:28px;text-align:center;box-shadow:0 24px 70px #0007}.result-icon{font-size:3rem}.result-kicker{margin-top:5px}.result-card h2{font-family:'Playfair Display',Georgia,serif;font-size:2rem;margin:4px}.result-card>p{color:#49635f}.result-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:18px 0}.result-stats div{background:#edf8e5;border-radius:16px;padding:10px}.result-stats small{display:block;text-transform:uppercase;letter-spacing:.08em;color:#60756f;font-weight:800;font-size:.68rem}.result-stats strong{font-size:1.45rem}.next-goal{background:#fff2b8;border-radius:12px;padding:9px;font-weight:800}.result-actions{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px}.text-action{border:0;background:transparent;color:#175f53;text-decoration:underline;font-weight:900;padding:10px;cursor:pointer}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@keyframes spark{0%{opacity:1;transform:translate(0,0) scale(1)}100%{opacity:0;transform:translate(var(--dx),var(--dy)) scale(.2)}}
.mode-action{min-height:46px;margin-top:10px;border:2px solid #176b5b;border-radius:14px;background:#fffef5;color:#155f53;font-weight:900;padding:8px 16px;cursor:pointer;box-shadow:0 5px 14px #315b4425}.mode-action:hover{background:#eaffef}.mode-action:focus-visible{outline:4px solid #172554;outline-offset:3px}
@media(max-width:760px){.snake-game{padding:8px 10px 18px}.game-heading h1{font-size:1.35rem}.eyebrow{display:none}.help-button{padding:7px 11px}.help-button span{display:none}.scoreboard{margin:7px auto;gap:5px}.stat,.quest-stat{min-width:76px;min-height:47px;padding:5px 8px;border-radius:14px}.stat>span:first-child,.quest-stat>span:first-child{font-size:1.15rem}.stat strong,.quest-stat strong{font-size:1rem}.play-layout{display:flex;flex-direction:column;gap:10px}.board-shell{width:min(94vw,53vh);padding:8px;border-radius:24px}.start-card{inset:8px;padding:12px}.mode-grid{gap:6px}.mode-card{min-height:112px;padding:8px 5px}.mode-icon{font-size:1.5rem}.mode-card strong{font-size:.82rem}.mode-card small{font-size:.68rem}.speed-control{margin:9px 0 7px}.control-panel{width:min(94vw,430px)}.mode-badge{display:none}.control-hint{min-height:20px;margin:0 0 5px;font-size:.86rem}.dpad{grid-template:repeat(3,52px)/repeat(3,52px);padding:8px;border-radius:21px}.dpad button{border-radius:14px;font-size:1.55rem}.action-row{margin-top:8px}.secondary-action{min-height:46px}.keyboard-note{display:none}}
@media(max-width:420px) and (max-height:760px){.game-heading{display:none}.scoreboard{margin:0 auto 5px}.board-shell{width:min(92vw,50vh)}.mode-card{min-height:98px}.mode-card small{display:none}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition:none!important}.mode-card:hover,.primary-action:active,.dpad button:active{transform:none}}
@media(forced-colors:active){.mode-card.is-selected,.dpad button,.primary-action{border:3px solid ButtonText}.board-shell canvas{border:2px solid CanvasText}}