:root{font-family:"Nunito","Arial Rounded MT Bold",system-ui,sans-serif;color:#17384a;background:#102f42;--cream:#fff8df;--ink:#17384a;--yellow:#ffd65c;--orange:#ff9257;--blue:#45b9d5;--green:#60c48d;--red:#ed6b6b;--tile-size:44px}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;overscroll-behavior:none}
body{min-height:100dvh;background:radial-gradient(circle at 50% 4%,#317a90 0,#173f55 45%,#102d40 100%);display:grid;place-items:center;padding:0;color:var(--ink)}
button,input{font:inherit}
button{touch-action:manipulation}
.app-shell{position:relative;width:min(100vw,520px);height:100dvh;max-height:940px;overflow:hidden;background:linear-gradient(#e3f8fb 0 23%,#fff7d4 23% 100%);box-shadow:0 0 45px #061d2c88}
.app-shell:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 12% 10%,#fff 0 4%,transparent 4.4%),radial-gradient(circle at 79% 14%,#fff 0 5%,transparent 5.4%),linear-gradient(155deg,transparent 0 62%,#95d2a4 62% 65%,#59a879 65%);opacity:.7;pointer-events:none}
.screen{position:relative;z-index:1;height:100%;padding:max(20px,env(safe-area-inset-top)) 18px max(18px,env(safe-area-inset-bottom));overflow:auto}
.hidden{display:none!important}
.welcome-screen,.ready-screen,.result-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.brand-mark{display:grid;place-items:center;width:94px;height:94px;border-radius:28px;background:linear-gradient(145deg,#ffe681,#ffad5f);border:5px solid #fff8db;box-shadow:0 10px 0 #b9673e,0 16px 26px #15384a33;color:#205371;font-size:42px;font-weight:1000;transform:rotate(-3deg)}
.eyebrow{margin:24px 0 6px;color:#33718a;font-size:12px;font-weight:1000;letter-spacing:1.6px}
h1,h2,p{margin-top:0}
h1{margin-bottom:6px;font-size:clamp(32px,8.5vw,45px);line-height:1.06;color:#164a64;text-shadow:0 3px #fff}
.subtitle{margin-bottom:22px;font-size:15px;font-weight:800;color:#477084}
.login-card{width:min(100%,360px);padding:18px;border:3px solid #e6bd63;border-radius:22px;background:#fffaf0;box-shadow:0 8px 0 #ca8e49,0 18px 32px #17384a22;text-align:left}
.login-card label{display:block;margin-bottom:7px;font-weight:1000}
.login-card input{width:100%;height:52px;border:3px solid #91cad7;border-radius:14px;padding:0 14px;background:#fff;font-size:18px;font-weight:900;text-transform:none;outline:none}
.login-card input:focus{border-color:#2597b4;box-shadow:0 0 0 4px #4dbfd533}
.primary-button,.secondary-button{width:100%;min-height:52px;border:0;border-radius:15px;font-weight:1000;cursor:pointer}
.primary-button{margin-top:13px;color:#17384a;background:linear-gradient(#ffe985,#ffc74f);box-shadow:0 5px 0 #c98636}
.primary-button:active{transform:translateY(3px);box-shadow:0 2px 0 #c98636}
.secondary-button{margin-top:12px;color:#225267;background:#d9eef1;border:2px solid #85bdc9}
.home-link{display:grid;place-items:center;text-decoration:none}.home-link.disabled{pointer-events:none;opacity:.55}.primary-button:disabled,.secondary-button:disabled{cursor:wait;opacity:.55}
.form-note,.mvp-note,.tip{font-size:12px;color:#66808e}
.form-note{min-height:18px;margin:10px 3px 0;text-align:center}.form-note.error{color:#b84949}.form-note.success{color:#27845c}
.mvp-note{margin:18px 0 0;font-weight:700}
.top-actions{position:absolute;top:max(16px,env(safe-area-inset-top));left:16px;right:16px;display:flex;justify-content:space-between}
.small-button,.pause-button,.hint-button{border:2px solid #86bbc6;border-radius:12px;background:#f8ffff;color:#24556a;font-weight:1000;box-shadow:0 3px 0 #6f9eaa}
.small-button{padding:8px 10px;font-size:12px}
.student-badge{margin-top:42px;padding:8px 16px;border-radius:999px;background:#2e7893;color:white;font-weight:1000}
.ready-screen h2{margin:18px 0 14px;font-size:30px;color:#174b64}
.how-to{display:grid;gap:12px;width:100%;max-width:390px;text-align:left}
.how-to article{display:flex;gap:12px;align-items:center;padding:13px;border:3px solid #e8c369;border-radius:18px;background:#fffaf0;box-shadow:0 5px 0 #c99850}
.how-to article>span{flex:0 0 42px;height:42px;display:grid;place-items:center;border-radius:14px;background:#54bad1;color:white;font-size:22px;font-weight:1000}
.how-to strong{font-size:17px}.how-to p{margin:2px 0 0;font-size:13px;color:#587482}
.round-rules{margin:18px 0 0;padding:9px 14px;border-radius:12px;background:#fff4bf;font-size:13px;font-weight:900}
.start-button{max-width:390px;margin-top:18px;font-size:19px}.tip{max-width:380px;margin:14px 0 0}
.game-screen{padding-left:12px;padding-right:12px;overflow:hidden}
.game-header{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px}.game-header>div:first-child{display:flex;flex-direction:column}.header-label{font-size:10px;font-weight:900;color:#668492}.game-header strong{font-size:15px}.timer{display:grid;place-items:center;min-width:62px;height:50px;border-radius:16px;background:#173f55;color:#fff;font-size:27px;font-weight:1000;box-shadow:0 4px 0 #092a3b}.timer.danger{background:#c94f52;animation:pulse .8s infinite}.pause-button{justify-self:end;width:46px;height:42px;font-size:18px}
.progress-track{height:7px;margin:9px 1px 6px;border-radius:9px;background:#c6dce0;overflow:hidden}.progress-track>div{height:100%;width:100%;background:linear-gradient(90deg,#62cb8e,#44b7d0);transition:width .2s linear}
.student-line{display:flex;justify-content:space-between;margin:0 4px 8px;font-size:12px;font-weight:900;color:#507482}
.match-stage,.spell-stage{height:calc(100% - 92px);display:flex;flex-direction:column;align-items:center}
.inventory-panel,.accepted-panel{width:100%;padding:10px;border:2px solid #ddbd6e;border-radius:16px;background:#fffaf0;box-shadow:0 4px 0 #cfa45d}.inventory-panel.compact{min-height:82px}
.panel-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:7px;font-size:12px;color:#54717d}.panel-heading strong{font-size:14px;color:#234e60}
.inventory{display:flex;gap:6px;flex-wrap:wrap;align-content:flex-start;min-height:34px}.empty-copy{font-size:12px;color:#8a9ca3;align-self:center}
.inventory-chip{position:relative;display:grid;place-items:center;min-width:34px;height:34px;padding:0 8px;border:2px solid #fff;border-radius:10px;background:var(--chip,#62bfd4);box-shadow:0 3px 0 color-mix(in srgb,var(--chip,#62bfd4) 65%,#17384a);color:#153f52;font-size:19px;font-weight:1000;text-transform:uppercase}.inventory-chip small{position:absolute;right:-5px;top:-7px;display:grid;place-items:center;min-width:18px;height:18px;padding:0 4px;border-radius:9px;background:#173f55;color:#fff;font-size:10px}
.board{--cols:8;display:grid;grid-template-columns:repeat(var(--cols),1fr);gap:4px;width:min(100%,calc((100dvh - 225px)));max-width:444px;aspect-ratio:1;margin:auto 0;padding:6px;border:4px solid #bb844c;border-radius:18px;background:#7b5037;box-shadow:0 8px 0 #583626,0 14px 24px #17384a33;touch-action:none;user-select:none}
.tile{position:relative;display:grid;place-items:center;min-width:0;border:2px solid #fff9;border-radius:10px;background:var(--tile,#62bfd4);box-shadow:inset 0 3px #fff8,0 3px 0 color-mix(in srgb,var(--tile,#62bfd4) 60%,#17384a);color:#15394a;font-size:clamp(18px,6.2vw,31px);font-weight:1000;text-transform:uppercase;cursor:pointer;transition:transform .12s,opacity .15s,filter .15s}.tile:after{content:"";position:absolute;inset:3px;border:1px solid #fff5;border-radius:6px;pointer-events:none}.tile.selected{transform:scale(.9);filter:brightness(1.15);outline:4px solid #ffe56d;z-index:2}.tile.matched{transform:scale(.25) rotate(10deg);opacity:.15}.tile.invalid{animation:shake .22s}
.stage-help{margin:auto 0 0;padding:7px 12px;border-radius:999px;background:#ffffffc9;font-size:12px;font-weight:800;color:#54717d}
.spell-stage{gap:9px;overflow:auto;padding-bottom:3px}
.spell-summary{width:100%;display:grid;grid-template-columns:1fr 1fr auto;gap:7px}.spell-summary>div{padding:7px;border-radius:13px;background:#fffaf0;border:2px solid #e0bd6a;text-align:center}.spell-summary span{display:block;font-size:10px;color:#6a7f86}.spell-summary strong{font-size:20px}.hint-button{padding:0 10px}.hint-button b{display:inline-grid;place-items:center;width:19px;height:19px;border-radius:50%;background:#2f8098;color:#fff}
.word-builder-wrap{position:relative;width:100%;padding:18px 9px 9px;border:3px solid #62b8cb;border-radius:18px;background:#effcff;box-shadow:0 4px 0 #79aeba}.builder-label{position:absolute;top:-10px;left:14px;padding:2px 9px;border-radius:999px;background:#2f8098;color:#fff;font-size:11px;font-weight:1000}.word-builder{display:flex;align-items:center;align-content:center;justify-content:center;flex-wrap:wrap;gap:5px;min-height:92px;max-height:142px;width:100%;padding:8px;overflow-y:auto;border:2px dashed #91cad5;border-radius:13px;background:#fff;color:#77919b;font-size:13px}.built-letter{display:grid;place-items:center;flex:0 0 43px;width:43px;height:48px;border:2px solid white;border-radius:10px;background:#ffd464;box-shadow:0 3px 0 #c98f40;color:#183f52;font-size:24px;font-weight:1000;text-transform:uppercase}
.spell-actions{display:grid;grid-template-columns:1fr 1fr 1.4fr;gap:7px;width:100%}.spell-actions button{min-height:40px;border:2px solid #8dbdc7;border-radius:11px;background:#eff9fa;color:#27566a;font-weight:1000}.spell-actions .submit-word{border-color:#d38c38;background:#ffcf59;color:#553713}
.spell-stage>.inventory-panel{min-height:126px}.spell-inventory{justify-content:flex-start;align-content:flex-start;min-height:76px;max-height:128px;padding:4px;overflow:auto}.spell-inventory .inventory-chip{border:0;cursor:pointer}.spell-inventory .inventory-chip:disabled{opacity:.35;filter:grayscale(.6)}
.accepted-panel{min-height:90px}.accepted-words{display:flex;gap:6px;flex-wrap:wrap}.accepted-word{padding:5px 9px;border-radius:999px;background:#d8f2df;color:#23734f;font-size:12px;font-weight:1000;text-transform:uppercase}
.result-screen{justify-content:flex-start;padding-top:max(35px,env(safe-area-inset-top))}.result-screen h2{margin:0 0 11px;font-size:27px;color:#174b64}.result-score{width:150px;height:96px;display:grid;place-items:center;align-content:center;border-radius:26px;background:linear-gradient(#ffe781,#ffbc52);box-shadow:0 7px 0 #c37b3e}.result-score span{font-size:12px}.result-score strong{font-size:38px}.result-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;width:100%;margin:16px 0 10px}.result-stats>div{padding:8px 5px;border:2px solid #dbbd74;border-radius:14px;background:#fffaf0}.result-stats span{display:block;font-size:10px;color:#73878e}.result-stats strong{display:block;margin-top:3px;font-size:15px;text-transform:uppercase}.answer-review{width:100%;margin-top:2px;padding:10px;border:2px solid #d2af62;border-radius:16px;background:#fffaf0;text-align:left;box-shadow:0 4px 0 #c99b50}.answer-review-heading{display:flex;align-items:center;justify-content:space-between}.answer-review-heading strong{color:#234e60}.answer-review-heading span{padding:3px 8px;border-radius:999px;background:#e2f3f5;color:#2d7187;font-size:11px;font-weight:1000}.answer-review>p{margin:4px 0 8px;color:#71858d;font-size:10px;line-height:1.35}.result-words{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;max-height:210px;overflow:auto;width:100%;padding:1px}.answer-word{min-width:0;padding:7px 8px;border:2px solid #d8e4e4;border-radius:11px;background:#fff}.answer-word>div{display:flex;align-items:center;justify-content:space-between;gap:4px}.answer-word strong{overflow:hidden;color:#244f61;font-size:13px;text-overflow:ellipsis;text-transform:uppercase}.answer-word span{flex:none;color:#24764f;font-size:8px;font-weight:1000}.answer-word p{margin:2px 0 0;color:#687f88;font-size:10px;line-height:1.25}.answer-word.solved{border-color:#67bd88;background:#dff5e5;box-shadow:inset 4px 0 #49a873}.answer-word.solved strong{color:#1f6949}.result-screen .primary-button,.result-screen .secondary-button{max-width:360px;min-height:44px}.reward-card{display:grid;grid-template-columns:1fr 1fr;gap:8px;width:100%;max-width:360px;margin-top:11px;padding:9px;border:2px solid #d8a94f;border-radius:16px;background:#fff8d9;box-shadow:0 4px 0 #bd8241}.reward-card>div{padding:4px;border-radius:11px;background:#fff}.reward-card span{display:block;font-size:10px;color:#71838a}.reward-card strong{font-size:19px;color:#2f7890}.reward-card p{grid-column:1/-1;margin:1px 0 0;font-size:11px;font-weight:900;color:#657d87}.result-screen .reward-card+.primary-button{margin-top:10px}
.toast{position:fixed;z-index:20;left:50%;bottom:calc(22px + env(safe-area-inset-bottom));max-width:min(86vw,420px);padding:10px 16px;border-radius:999px;background:#173f55;color:#fff;font-weight:900;font-size:13px;transform:translate(-50%,25px);opacity:0;pointer-events:none;transition:.2s}.toast.show{transform:translate(-50%,0);opacity:1}
.overlay{position:fixed;z-index:30;inset:0;display:grid;place-items:center;padding:24px;background:#0a2d3db8;backdrop-filter:blur(4px)}.countdown-card,.pause-card{width:min(88vw,350px);padding:26px;border:4px solid #ffe184;border-radius:25px;background:#fffaf0;text-align:center;box-shadow:0 10px 0 #9a653b}.countdown-card strong{display:block;color:#e3674d;font-size:76px;line-height:1}.countdown-card span{font-weight:1000}.pause-card h2{margin-bottom:8px}.pause-card p{color:#64808c}.pause-card .primary-button{margin-top:2px}
.pet-assist-overlay{position:fixed;z-index:29;inset:0;display:flex;align-items:flex-end;justify-content:center;padding:0 14px max(22px,env(safe-area-inset-bottom));overflow:hidden;background:linear-gradient(transparent 48%,#123d5185);pointer-events:none}.pet-assist-stage{--rarity:#3b82f6;position:relative;width:min(100%,460px);height:300px;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;transform:translateY(115%);opacity:0}.pet-assist-stage.enter{animation:pet-rise .42s cubic-bezier(.2,.9,.25,1.18) forwards}.pet-assist-stage.leave{animation:pet-leave .32s ease-in forwards}.pet-assist-glow{position:absolute;left:50%;bottom:34px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,#fff 0 8%,color-mix(in srgb,var(--rarity) 72%,transparent) 30%,transparent 68%);transform:translateX(-50%);filter:drop-shadow(0 0 14px var(--rarity));animation:assist-glow 1.1s ease-in-out infinite alternate}.pet-assist-stage img{position:relative;z-index:1;width:150px;height:150px;object-fit:contain;filter:drop-shadow(0 10px 6px #102f4266)}.pet-assist-copy{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;min-width:210px;margin-top:-4px;padding:7px 18px;border:3px solid var(--rarity);border-radius:18px;background:#fffaf0;box-shadow:0 5px 0 color-mix(in srgb,var(--rarity) 55%,#55402b);color:#234e60}.pet-assist-copy strong{font-size:18px}.pet-assist-copy span{font-size:12px;font-weight:900;color:#637e89}.pet-gift-row{position:relative;z-index:3;display:flex;justify-content:center;gap:7px;min-height:46px;margin-top:8px}.pet-gift-letter{display:grid;place-items:center;width:40px;height:43px;border:2px solid #fff;border-radius:11px;background:#ffe074;box-shadow:0 3px 0 #b97835;color:#173f55;font-size:23px;font-weight:1000;text-transform:uppercase;opacity:0;transform:translateY(20px) scale(.5)}.pet-gift-letter.reveal{animation:gift-pop .24s cubic-bezier(.2,.9,.25,1.3) forwards}.pet-gift-letter.vowel{background:#ff9f7b;box-shadow:0 3px 0 #b95f44,0 0 14px #fff4a8}.pet-assist-stage[data-rarity="epic"]{--rarity:#8b5cf6}.pet-assist-stage[data-rarity="legendary"]{--rarity:#f59e0b}.pet-assist-stage[data-rarity="limited"]{--rarity:#dc2626}.pet-assist-stage[data-rarity="limited"] .pet-assist-glow{background:conic-gradient(from 0deg,#ff7b7b88,#ffe376bb,#70d8d8aa,#b99bffaa,#ff7b7b88);filter:blur(2px) drop-shadow(0 0 16px #ffca5a);animation:limited-spin 2.8s linear infinite}
@keyframes pulse{50%{transform:scale(1.06)}}@keyframes shake{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
@keyframes pet-rise{to{transform:translateY(0);opacity:1}}@keyframes pet-leave{to{transform:translateY(115%);opacity:0}}@keyframes assist-glow{to{transform:translateX(-50%) scale(1.08);opacity:.82}}@keyframes gift-pop{to{opacity:1;transform:translateY(0) scale(1)}}@keyframes limited-spin{to{transform:translateX(-50%) rotate(360deg)}}
@media(max-height:700px){.game-screen{padding-top:10px;padding-bottom:8px}.inventory-panel.compact{min-height:70px;padding:7px}.board{width:min(100%,calc(100dvh - 205px));gap:3px}.stage-help{display:none}.spell-stage{gap:6px}.word-builder-wrap{padding-top:14px}.word-builder{min-height:76px;max-height:102px}.built-letter{flex-basis:35px;width:35px;height:39px;font-size:20px}.spell-stage>.inventory-panel{min-height:102px}.spell-inventory{min-height:52px;max-height:78px}.accepted-panel{min-height:64px}.result-screen{padding-top:25px}.result-stats{margin:13px 0 9px}.result-words{max-height:170px}}
@media(max-width:370px){.result-words{grid-template-columns:1fr}}
@media(min-width:700px){body{padding:18px}.app-shell{height:min(920px,calc(100dvh - 36px));border-radius:28px}.screen{padding-left:24px;padding-right:24px}.tile{font-size:29px}}
@media(max-height:620px){.pet-assist-stage{height:245px}.pet-assist-stage img{width:118px;height:118px}.pet-assist-glow{width:180px;height:180px}.pet-assist-copy{padding:5px 14px}.pet-gift-row{margin-top:5px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;transition-duration:.001ms!important}}