:root{color-scheme:dark;--bg:#080f20;--panel:#111e35;--line:#30435f;--text:#f2f7ff;--muted:#b0bdd5;--accent:#88edc4}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 -apple-system,BlinkMacSystemFont,'PingFang SC',sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}button,select,input{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:10px;padding:10px 14px;min-height:44px}button:disabled{opacity:.5;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:3px}[hidden]{display:none!important}.game-wrap{width:min(1100px,calc(100% - 32px));margin:auto}.game-nav{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:76px;border-bottom:1px solid var(--line)}.game-nav a{padding:10px 0;min-height:44px}.brand{font-weight:800;letter-spacing:.08em}.brand em{color:var(--accent);font-style:normal}.kicker{font-size:11px;color:var(--accent);letter-spacing:.14em;text-transform:uppercase}.muted{color:var(--muted);font-size:13px}.primary{background:var(--accent);color:#08221c;border:0;font-weight:700}.lesson-settings{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.lesson-settings label{font-size:12px;color:var(--muted)}.lesson-settings select{width:100%;display:block;margin-top:5px;font-size:13px}.preview-words{display:flex;overflow:auto;gap:8px;padding:5px 2px 14px}.preview-words button{min-width:98px;flex:none;max-width:150px;padding:12px}.preview-words span{font-size:28px;display:block}.preview-words b{display:block;font-size:14px}.preview-words small{display:block;color:var(--muted);font-size:11px;white-space:normal}.learn-dialog{width:min(460px,calc(100vw - 28px));border:1px solid var(--line);border-radius:20px;background:var(--bg);color:var(--text);padding:25px;max-height:90dvh;overflow:auto}.learn-dialog::backdrop{background:#020710cc}.learn-dialog h2{font-size:23px;margin:12px 0}.word-visual{text-align:center;font-size:70px;line-height:1.4}.quiz-meaning{text-align:center;font-size:20px;margin:12px 0}.answer-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.answer-options button{min-height:52px;overflow-wrap:anywhere}.quiz-actions{display:flex;gap:8px;flex-wrap:wrap}.quiz-actions button{flex:1}.learn-dialog form{display:grid;gap:10px}.learn-dialog input{font-size:18px;min-width:0;width:100%}#quizFeedback{min-height:48px;color:#bdf8df}.info-line{padding:12px 0;color:var(--muted);font-size:12px}.game-footer{padding:25px 0 40px;border-top:1px solid var(--line);margin-top:32px;color:var(--muted);font-size:12px}.page-hero{padding:45px 0 26px}.page-hero h1{font-size:clamp(30px,5vw,56px);letter-spacing:-.045em;line-height:1.2;margin:12px 0 18px}.page-hero p{max-width:660px;color:var(--muted)}.game-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}.game-card{display:block;border:1px solid var(--line);border-radius:22px;overflow:hidden;background:var(--panel)}.game-cover{height:210px;position:relative;display:flex;align-items:center;justify-content:center;gap:15px;background:radial-gradient(ellipse at center,#21486a,#10203d);font-size:50px;overflow:hidden}.game-cover.blocks{background:radial-gradient(ellipse at center,#423569,#1a203e)}.game-cover span{display:inline-grid;place-items:center;width:80px;height:80px;border:1px solid #86b2dc;border-radius:20px;background:#11243e;transform:rotate(-8deg)}.game-cover span:nth-child(2){transform:translateY(-20px) rotate(5deg)}.game-copy{padding:24px}.game-copy h2{font-size:26px;margin:8px 0}.game-copy p{color:var(--muted);font-size:14px;min-height:70px}.game-copy .primary{display:flex;align-items:center;justify-content:space-between;border-radius:12px;padding:14px 18px}.section-title{margin:36px 0 16px;display:flex;gap:15px;align-items:center;justify-content:space-between}.section-title h2{font-size:22px}.vocab-tools{display:flex;gap:8px;flex-wrap:wrap}.vocab-tools input{flex:1;min-width:180px}.vocab-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.vocab-card{display:flex;gap:12px;align-items:center;text-align:left;min-width:0;padding:15px}.vocab-card>span{font-size:27px;flex:none}.vocab-card b{display:block;font-size:15px;overflow-wrap:anywhere}.vocab-card small{display:block;font-size:11px;color:var(--muted)}.stats-strip{display:flex;gap:20px;flex-wrap:wrap;border:1px solid var(--line);border-radius:14px;padding:18px;margin:20px 0}.stats-strip b{font-size:22px;color:var(--accent)}.stats-strip span{font-size:12px;color:var(--muted)}.legacy-links{display:flex;flex-wrap:wrap;gap:12px}.legacy-links a{border:1px solid var(--line);border-radius:10px;padding:12px 16px}.review-list{padding:16px;border:1px solid var(--line);border-radius:14px}.review-list ul{padding-left:20px}.review-list li{margin:10px 0;color:var(--muted)}@media(max-width:700px){.game-cards{grid-template-columns:1fr}.game-cover{height:170px}.game-copy{padding:20px}.game-copy p{min-height:0}.vocab-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.vocab-card{padding:12px 9px;gap:7px}.vocab-card>span{font-size:23px}.vocab-card b{font-size:14px}.page-hero{padding-top:30px}.section-title{flex-wrap:wrap}.vocab-tools input{font-size:16px}.game-nav{font-size:12px}.lesson-settings select{font-size:16px}.lesson-settings{gap:8px}.word-visual{font-size:56px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}