:root{--ink:#121a35;--muted:#6f7890;--line:#e3e7f0;--accent:#3348df;--bg:#f7f8fc;--white:#fff;--shadow:0 18px 54px rgba(27,38,89,.07)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a{color:inherit;text-decoration:none}svg{display:block}img,video{max-width:100%}::selection{background:#dce2ff} :focus-visible{outline:3px solid #8796ff;outline-offset:3px}
.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}
.page-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{height:82px;padding:0 max(28px,calc((100vw - 1180px)/2));display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:12px;font-size:23px;font-weight:850;letter-spacing:-.07em}.brand-mark{width:37px;height:37px;border-radius:11px;display:grid;place-items:center;position:relative;background:var(--accent);color:#fff;font-size:22px;font-weight:850;letter-spacing:-.1em}.brand-mark span{position:absolute;right:-4px;top:-7px;color:#f4c74d;font-size:15px;line-height:1;filter:drop-shadow(0 1px 0 #fff)}.topbar-right{display:flex;align-items:center;gap:14px}.top-stat{display:flex;align-items:center;gap:6px;padding:9px 13px;border:1px solid var(--line);border-radius:13px;color:var(--muted);font-size:14px}.top-stat strong{font-size:16px;color:var(--ink);font-variant-numeric:tabular-nums}.top-stat-symbol{color:#edab29;font-size:20px;line-height:1}.icon-button{border:1px solid var(--line);background:#fff;border-radius:13px;width:42px;height:42px;display:grid;place-items:center;color:var(--ink)}.icon-button svg{width:20px;height:20px}.sound-button .sound-wave{display:none}.sound-button.is-on .sound-wave{display:block}.footer{margin-top:auto;padding:40px max(28px,calc((100vw - 1180px)/2)) 25px;color:#929bb0;font-size:13px;display:flex;justify-content:space-between}.footer a:hover{color:var(--accent)}
#app{width:min(1180px,calc(100% - 56px));margin:0 auto}.loading{min-height:55vh;display:flex;align-items:center;justify-content:center;gap:7px}.loading-dot{width:9px;height:9px;border-radius:50%;background:var(--accent);animation:hop 1s infinite alternate}.loading-dot:nth-child(2){animation-delay:.15s}.loading-dot:nth-child(3){animation-delay:.3s}@keyframes hop{to{transform:translateY(-9px);opacity:.35}}
.home{padding-top:45px}.home-title-row{display:flex;align-items:end;justify-content:space-between;gap:18px}.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:800}.home h1{font-size:clamp(36px,4.6vw,60px);line-height:1.08;letter-spacing:-.075em;margin:7px 0 0;font-weight:860}.home-progress{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:14px;padding-bottom:6px}.home-progress strong{color:var(--ink);font-size:17px}.home-progress .bolt{display:grid;place-items:center;width:42px;height:42px;background:#fff4d7;color:#c37c00;border-radius:13px;font-size:22px}.filters{display:flex;gap:8px;margin:32px 0 25px;overflow:auto;scrollbar-width:none;padding:3px}.filters::-webkit-scrollbar{display:none}.filter{border:1px solid #e1e5ee;background:#fff;color:#59627b;padding:10px 18px;border-radius:999px;font-weight:650;white-space:nowrap;transition:.2s}.filter:hover{transform:translateY(-2px);border-color:#b7c0df}.filter.active{color:#fff;background:var(--ink);border-color:var(--ink)}
.feature-card{background:#17214d;color:#fff;border-radius:24px;display:grid;grid-template-columns:1.1fr .9fr;overflow:hidden;min-height:270px;box-shadow:0 20px 50px #17214d19}.feature-copy{padding:32px 36px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.feature-tag{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:800;color:#c8d2ff}.feature-copy h2{font-size:clamp(31px,3vw,46px);line-height:1.12;letter-spacing:-.06em;margin:14px 0 9px}.feature-copy p{font-size:16px;color:#cbd2e9;margin:0 0 20px;max-width:370px}.feature-action{display:inline-flex;align-items:center;gap:12px;background:#fff;color:#182349;border:0;border-radius:12px;font-weight:750;padding:12px 17px;transition:.2s}.feature-action:hover{transform:translateY(-3px);box-shadow:0 8px 20px #0002}.feature-action span{font-size:21px;line-height:1}.feature-art{min-height:265px;position:relative;background:#b5c6fa;overflow:hidden}.feature-art img{height:100%;width:100%;object-fit:cover;object-position:center 53%;position:absolute;inset:0}.feature-art img.sample-crop{transform:scale(1.21)}.feature-art::after{content:"";position:absolute;inset:0;border:12px solid #fff2;pointer-events:none}.feature-art.empty{background:radial-gradient(circle at 40% 36%,#fbd787,#8ea6ff 75%);display:grid;place-items:center}.feature-art.empty span{font-size:114px;font-weight:850;color:#17214d;letter-spacing:-.11em}
.section-line{display:flex;align-items:end;justify-content:space-between;margin:35px 0 16px}.section-line h2{font-size:23px;line-height:1.2;letter-spacing:-.04em;margin:0}.section-line span{color:var(--muted);font-size:14px}.mode-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.mode-card{min-height:162px;text-align:left;display:flex;flex-direction:column;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:20px;padding:21px;transition:transform .2s,border-color .2s,box-shadow .2s;position:relative;overflow:hidden}.mode-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bcc7ed}.mode-card:active,.feature-action:active{transform:translateY(0) scale(.99)}.mode-card .mode-icon{width:39px;height:39px;border-radius:12px;display:grid;place-items:center;background:var(--tint);color:var(--tone);font-size:22px;font-weight:800;line-height:1}.mode-card h3{font-size:19px;letter-spacing:-.04em;margin:14px 0 2px;line-height:1.2}.mode-card p{margin:0;color:var(--muted);font-size:14px}.mode-card .card-arrow{position:absolute;right:21px;top:25px;color:#b3bacb;font-size:21px;line-height:1}.mode-card:hover .card-arrow{color:var(--accent)}.mode-card.disabled{opacity:.48;cursor:default}.mode-card.disabled:hover{transform:none;box-shadow:none}.no-content{padding:35px;background:#fff;border:1px solid var(--line);border-radius:20px;color:var(--muted)}.error-panel{margin:9vh auto;padding:32px;max-width:500px;background:#fff;border-radius:20px;border:1px solid var(--line)}.error-panel h2{margin:0 0 8px}.error-panel p{color:var(--muted)}
.game{max-width:865px;margin:32px auto 35px}.game-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.back-button{display:inline-flex;align-items:center;gap:9px;border:0;background:none;color:#59637d;font-weight:700;padding:8px 0}.back-button:hover{color:var(--accent)}.game-top-right{display:flex;align-items:center;gap:8px}.mini-score{font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;padding:8px 13px;background:#edf0ff;border-radius:10px}.round-index{font-size:14px;font-weight:700;color:var(--muted)}.progress-track{height:6px;border-radius:99px;background:#e7eaf3;overflow:hidden;margin-bottom:22px}.progress-fill{height:100%;background:var(--accent);border-radius:inherit;transition:width .4s}.question-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:clamp(22px,4.5vw,42px);box-shadow:var(--shadow);animation:card-in .3s both}@keyframes card-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.question-kicker{font-size:13px;color:var(--accent);font-weight:800;letter-spacing:.1em;text-transform:uppercase;display:flex;align-items:center;gap:8px}.question-title{font-size:clamp(24px,3.4vw,34px);line-height:1.22;letter-spacing:-.045em;margin:13px 0 24px;font-weight:770;white-space:pre-line}.question-title.word{font-size:clamp(42px,6vw,66px);margin:6px 0 16px}.choice-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.choice{width:100%;min-height:64px;border:1.5px solid var(--line);border-radius:14px;background:#fff;color:var(--ink);display:flex;align-items:center;gap:14px;padding:13px 16px;text-align:left;font-weight:650;line-height:1.3;transition:.18s}.choice:hover:not(:disabled){border-color:#99a7ed;background:#f8f9ff;transform:translateY(-2px)}.choice:disabled{opacity:1;cursor:default}.choice-index{flex:none;width:27px;height:27px;display:grid;place-items:center;border-radius:8px;background:#f0f2f8;color:#69738b;font-size:13px;font-weight:800}.choice.correct{border-color:#3fb87f;background:#e9f9f0;color:#176342}.choice.correct .choice-index{background:#37af77;color:#fff}.choice.wrong{border-color:#ef8181;background:#fff0f0;color:#ad3737}.choice.wrong .choice-index{background:#e76565;color:#fff}.answer-feedback{border-radius:13px;padding:14px 16px;margin-top:18px;font-weight:650;background:#ebf8f0;color:#186746;animation:card-in .2s both}.answer-feedback.bad{background:#fff1ee;color:#9b4137}.explain{display:block;font-size:14px;font-weight:450;margin-top:3px;color:inherit;opacity:.85}.next-row{display:flex;justify-content:flex-end;margin-top:16px}.primary-button{border:0;background:var(--accent);border-radius:12px;color:#fff;font-weight:750;padding:13px 21px;transition:transform .18s,filter .18s}.primary-button:hover{filter:brightness(1.1);transform:translateY(-2px)}.secondary-button{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:12px;font-weight:700;padding:12px 18px}.secondary-button:hover{border-color:#aab5e7}.buttons-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}.buttons-row .primary-button{margin-left:auto}.quiet-text{color:var(--muted);font-size:14px}
.story-facts{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:17px}.story-facts span{background:#f1f3fd;color:#35427a;padding:7px 11px;border-radius:8px;font-size:13px;font-weight:700}.story-layout{display:grid;grid-template-columns:1fr .95fr;gap:18px;align-items:stretch;margin-bottom:26px}.story-media{border-radius:16px;overflow:hidden;background:#dde5ff;min-height:230px;position:relative}.story-media img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;object-position:center 52%}.story-media img.sample-crop{transform:scale(1.19)}.story-media video,.story-media iframe{width:100%;height:100%;min-height:230px;max-height:350px;object-fit:contain;background:#101628;border:0}.story-media .media-toggle{position:absolute;bottom:12px;right:12px;z-index:1;border:0;border-radius:9px;background:#fff;color:#17214d;padding:7px 11px;font-weight:800;font-size:13px}.story-text{background:#f5f7ff;border:1px solid #e8ecff;border-radius:16px;padding:21px;display:flex;align-items:center;font-size:18px;font-weight:560;line-height:1.55;white-space:pre-line}.story-question{font-size:17px;font-weight:780;margin:0 0 12px}.story-no-media{display:grid;place-items:center;height:100%;min-height:215px;font-size:42px;color:var(--accent);font-weight:850}
.type-text{font-size:clamp(23px,3.2vw,31px);line-height:1.6;letter-spacing:-.015em;margin:18px 0 23px;font-weight:680;white-space:pre-wrap;word-wrap:break-word}.type-text .pending{color:#adb4c4}.type-text .matched{color:#237650}.type-text .mismatch{background:#ffe1df;color:#bc3c35;border-radius:3px}.type-input{width:100%;min-height:118px;border:1.5px solid #cdd5e6;border-radius:15px;padding:16px 18px;resize:vertical;outline:none;color:var(--ink);background:#fafbff}.type-input:focus{border-color:var(--accent);box-shadow:0 0 0 4px #3348df16}.type-meta{display:flex;gap:16px;color:var(--muted);font-size:14px;align-items:center;justify-content:space-between}.timer-pill{background:#eff1fc;padding:7px 12px;border-radius:9px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums}.timer-pill.low{background:#fff0ed;color:#c1493c}.blank-sentence{background:#f6f7fe;border-radius:14px;padding:18px 22px;font-size:clamp(22px,3vw,29px);line-height:1.45;letter-spacing:-.03em;font-weight:650;margin:0 0 21px}.blank-gap{display:inline-block;border-bottom:3px solid var(--accent);min-width:90px;text-align:center;color:var(--accent)}
.tile-zone{min-height:76px;background:#f5f7fc;border:1px dashed #cbd2e4;border-radius:14px;padding:11px;display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:17px 0 12px}.word-tile{border:1px solid #cbd3e7;background:#fff;color:#172349;border-radius:10px;padding:10px 13px;min-height:46px;font-weight:700;box-shadow:0 3px 0 #e6e9f1;transition:transform .12s,border-color .12s}.word-tile:hover{transform:translateY(-2px);border-color:#8d9be9}.word-tile.placed{background:#ecf0ff;border-color:#9aa9ef;box-shadow:0 3px 0 #dce2fb}.word-tile.used{visibility:hidden}.tile-bank{display:flex;flex-wrap:wrap;gap:9px;min-height:58px;padding-top:6px}.tile-prompt{color:var(--muted);font-size:14px;font-weight:650}.scramble-hint{font-size:18px;margin:5px 0 5px;color:#55617b}.tile-zone.letters{min-height:81px}.letters .word-tile{min-width:46px;text-align:center}
.finished{text-align:center;padding:55px 25px}.finish-symbol{width:76px;height:76px;margin:0 auto 17px;border-radius:24px;background:#fff1cf;color:#c98408;display:grid;place-items:center;font-size:43px}.finished h2{font-size:38px;letter-spacing:-.06em;line-height:1.1;margin:0 0 10px}.finished p{color:var(--muted);margin:0 0 24px}.finish-stats{display:flex;gap:12px;justify-content:center;margin:22px 0}.finish-stat{background:#f6f7fc;border-radius:14px;padding:14px 20px;min-width:100px}.finish-stat strong{font-size:25px;display:block}.finish-stat span{font-size:13px;color:var(--muted)}.finished .buttons-row{justify-content:center}.finished .buttons-row .primary-button{margin-left:0}
.block-wrap{display:grid;grid-template-columns:minmax(0,440px) minmax(210px,1fr);gap:30px;align-items:start}.block-board{display:grid;grid-template-columns:repeat(8,1fr);gap:4px;background:#e8ecf7;padding:7px;border:1px solid #dce1ed;border-radius:17px;touch-action:manipulation}.block-cell{aspect-ratio:1;border:0;border-radius:7px;background:#fff;min-width:0;min-height:0;padding:0;transition:background .13s,transform .12s;position:relative}.block-cell.filled{background:#4257e1;box-shadow:inset 0 -4px 0 #2539ac30}.block-cell.preview{background:#8393f1}.block-cell.invalid{background:#f5b1ac}.block-cell.hint{box-shadow:inset 0 0 0 2px #bbc5fc}.block-panel{display:flex;flex-direction:column;gap:16px}.block-heading{font-size:30px;font-weight:830;letter-spacing:-.06em;line-height:1.2}.block-heading small{display:block;font-size:14px;color:var(--muted);font-weight:600;letter-spacing:0;margin-top:3px}.block-score-card{background:#f2f4fe;border-radius:15px;padding:15px 17px;display:flex;justify-content:space-between;gap:8px}.block-score-card span{color:var(--muted);font-size:14px;display:block}.block-score-card strong{font-size:24px;font-variant-numeric:tabular-nums}.shape-tray{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.shape-button{height:95px;border:1.5px solid var(--line);background:#fff;border-radius:13px;display:grid;place-items:center;transition:.2s;touch-action:manipulation}.shape-button:hover:not(:disabled){border-color:#8d9bec}.shape-button.selected{border-color:var(--accent);box-shadow:0 0 0 3px #3348df1c}.shape-grid{display:grid;grid-template-columns:repeat(4,15px);grid-template-rows:repeat(4,15px);gap:2px}.shape-dot{border-radius:3px;background:#5268e9;box-shadow:inset 0 -2px 0 #2e42c136}.shape-button:nth-child(2) .shape-dot{background:#edaa44}.shape-button:nth-child(3) .shape-dot{background:#5cbb96}.block-tip{color:var(--muted);font-size:14px;margin:0}.block-challenge{position:fixed;inset:0;z-index:20;background:#121a358a;display:grid;place-items:center;padding:20px;animation:fade-in .18s}.challenge-inner{background:#fff;border-radius:22px;width:min(560px,100%);padding:29px;box-shadow:0 20px 100px #121a3540}.challenge-inner h2{font-size:25px;letter-spacing:-.04em;line-height:1.3;margin:8px 0 18px}.challenge-inner .choice-list{grid-template-columns:1fr 1fr}.challenge-inner .choice{min-height:58px}.challenge-tag{color:var(--accent);font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.11em}.challenge-skip{margin-top:14px;background:none;border:0;color:var(--muted);padding:6px;font-size:14px}@keyframes fade-in{from{opacity:0}to{opacity:1}}
.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);z-index:60;padding:12px 17px;background:#192447;color:#fff;border-radius:12px;box-shadow:0 15px 40px #14204735;opacity:0;pointer-events:none;transition:.25s;max-width:calc(100% - 30px);text-align:center;font-weight:650;font-size:14px}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:820px){.mode-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.block-wrap{grid-template-columns:1fr;gap:20px}.block-board{width:min(100%,440px);margin:auto}.block-panel{max-width:440px;width:100%;margin:auto}.block-heading{display:none}.shape-button{height:80px}.story-layout{grid-template-columns:1fr}.story-media{min-height:270px}.story-text{min-height:115px}}
@media(max-width:590px){.topbar{height:68px;padding:0 18px}.brand{font-size:20px}.brand-mark{width:34px;height:34px}.top-stat{padding:7px 10px}.stat-label{display:none}.topbar-right{gap:8px}.icon-button{width:38px;height:38px}#app{width:calc(100% - 30px)}.home{padding-top:29px}.home h1{font-size:42px}.home-title-row{align-items:start}.home-progress{padding:3px 0 0}.home-progress .bolt{width:35px;height:35px;font-size:19px}.home-progress .progress-copy{display:none}.filters{margin:22px -2px 22px}.filter{font-size:14px;padding:9px 14px}.feature-card{grid-template-columns:1fr;min-height:0;border-radius:19px}.feature-copy{padding:25px 23px}.feature-copy h2{font-size:33px;margin:9px 0 5px}.feature-copy p{font-size:14px;margin-bottom:17px}.feature-art{min-height:180px;order:-1}.section-line{margin-top:29px}.section-line h2{font-size:22px}.mode-grid{gap:10px}.mode-card{min-height:139px;border-radius:16px;padding:15px}.mode-card h3{font-size:17px;margin-top:13px}.mode-card p{font-size:13px;line-height:1.25}.mode-card .mode-icon{width:34px;height:34px;font-size:19px}.mode-card .card-arrow{right:14px;top:17px}.game{margin:19px auto}.game-top{margin-bottom:14px}.question-card{padding:22px 18px;border-radius:20px}.choice-list{grid-template-columns:1fr;gap:9px}.choice{min-height:56px;padding:11px 13px}.question-title{margin-bottom:19px}.story-media{min-height:200px}.story-text{font-size:16px;padding:16px;min-height:90px}.story-layout{gap:11px;margin-bottom:20px}.block-wrap{gap:16px}.block-board{gap:3px;padding:5px;border-radius:13px}.block-cell{border-radius:5px}.block-panel{gap:12px}.shape-button{height:75px}.shape-grid{grid-template-columns:repeat(4,13px);grid-template-rows:repeat(4,13px)}.challenge-inner{padding:22px 17px}.challenge-inner .choice-list{grid-template-columns:1fr}.finished{padding:42px 10px}.footer{padding:35px 20px 23px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}