:root{--bg:#061923;--panel:#0d2835;--panel2:#123746;--text:#f4fbff;--muted:#a8c3cc;--cyan:#63e8f1;--teal:#36d1bd;--yellow:#ffd45c;--green:#63ed9f;--red:#ff7483;--purple:#b59cff;--orange:#ff9d5c;--shadow:0 24px 70px rgba(0,0,0,.34);--radius:24px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:radial-gradient(circle at 10% 5%,rgba(54,209,189,.18),transparent 30%),radial-gradient(circle at 92% 15%,rgba(99,232,241,.13),transparent 27%),radial-gradient(circle at 50% 105%,rgba(255,212,92,.1),transparent 35%),var(--bg);color:var(--text);font-family:Inter,"Segoe UI",system-ui,sans-serif;overflow-x:hidden}.grid-bg{position:fixed;inset:0;pointer-events:none;opacity:.18;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(#000,transparent 95%)}button,input,select,textarea{font:inherit}.hidden{display:none!important}.app-shell{width:min(1200px,calc(100% - 28px));margin:auto;padding:18px 0 50px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:15px;padding-bottom:20px}.brand{display:flex;align-items:center;gap:12px;background:none;border:0;color:var(--text);text-align:left;cursor:pointer}.brand-mark{width:50px;height:50px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(145deg,var(--cyan),var(--teal));color:#06212a;font-size:31px;font-weight:950;box-shadow:0 12px 32px rgba(54,209,189,.22);transform:rotate(-4deg)}.brand strong{font-size:19px}.brand small,.user-chip small{display:block;color:var(--cyan);text-transform:uppercase;letter-spacing:1.6px;font-size:10px}.topbar-actions{display:flex;align-items:center;gap:10px}.user-chip{display:flex;align-items:center;gap:10px;padding:7px 9px 7px 12px;border-radius:999px;background:rgba(255,255,255,.075);border:1px solid rgba(255,255,255,.11)}.avatar{width:35px;height:35px;border-radius:50%;display:grid;place-items:center;background:var(--yellow);color:#10222a;font-weight:950}.icon-btn{border:0;width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.08);color:#fff;cursor:pointer}.icon-btn.light{background:rgba(255,255,255,.11)}.card{background:linear-gradient(155deg,rgba(18,55,70,.98),rgba(7,29,39,.97));border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);box-shadow:var(--shadow)}
.login-grid{min-height:calc(100vh - 110px);display:grid;grid-template-columns:1.2fr .72fr;gap:24px;align-items:center}.hero{padding:clamp(25px,4vw,45px);overflow:hidden}.eyebrow,.panel-kicker{color:var(--cyan);font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:1.7px}.hero h1{font-size:clamp(42px,6vw,73px);line-height:.98;letter-spacing:-3px;margin:14px 0 17px;max-width:780px}.gradient-text{background:linear-gradient(90deg,var(--cyan),var(--yellow));color:transparent;background-clip:text;-webkit-background-clip:text}.hero>p{color:var(--muted);font-size:17px;line-height:1.65;max-width:750px}.hero-board{height:275px;margin:5px 0}.hero-board svg{width:100%;height:100%}.feature-row{display:grid;grid-template-columns:repeat(3,1fr);gap:11px}.feature-row div{padding:14px;border-radius:16px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.075)}.feature-row strong{display:block;color:var(--yellow);font-size:25px}.feature-row span{color:var(--muted);font-size:12px}.login-card{padding:28px}.login-card h2{font-size:29px;margin:8px 0}.login-card>p{color:var(--muted);line-height:1.55}.login-card label{display:block;color:#e8f6f8;font-size:13px;font-weight:800;margin-top:15px}.login-card input,.login-card select{width:100%;margin-top:7px;padding:13px 14px;border:1px solid rgba(255,255,255,.13);border-radius:14px;color:#fff;background:rgba(2,15,22,.62);outline:none}.login-card input:focus,.login-card select:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(99,232,241,.1)}option{color:#111}.primary-btn,.ghost-btn,.review-btn,.mission button,.final-card button,.code-action{border:0;border-radius:14px;padding:13px 17px;font-weight:900;cursor:pointer;transition:.17s ease}.primary-btn{width:100%;margin-top:20px;background:linear-gradient(90deg,var(--yellow),var(--orange));color:#15242b;box-shadow:0 12px 30px rgba(255,157,92,.18)}.primary-btn.compact{width:auto}.primary-btn:hover,.ghost-btn:hover,.review-btn:hover,.mission button:hover,.final-card button:hover,.code-action:hover{transform:translateY(-2px);filter:brightness(1.05)}.ghost-btn{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);color:#fff}.ghost-btn.full{width:100%;margin-top:10px}.file-label{text-align:center;display:block;cursor:pointer}.file-label input{display:none}.form-error{min-height:18px;color:var(--red);font-size:12px}.privacy-note{font-size:11px!important;color:#89a8b1!important}
.dashboard-grid{display:grid;grid-template-columns:1.55fr .75fr;gap:18px}.welcome-card,.side-card{padding:24px}.welcome-card h2{font-size:37px;margin:8px 0}.welcome-card>div>p{color:var(--muted)}.level-badge{display:inline-flex;padding:7px 11px;border-radius:999px;background:rgba(99,237,159,.11);color:var(--green);font-size:12px;font-weight:900}.xp-area{margin-top:22px}.xp-line{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}.progress-track{height:13px;background:rgba(255,255,255,.08);border-radius:999px;overflow:hidden;margin-top:7px}.progress-track.small{height:9px;margin-top:6px}.progress-fill{height:100%;background:linear-gradient(90deg,var(--cyan),var(--green));border-radius:inherit;transition:width .45s ease}.progress-fill.purple{background:linear-gradient(90deg,var(--purple),var(--cyan))}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:20px}.stat{padding:13px;border-radius:15px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.07)}.stat span{color:var(--muted);font-size:11px}.stat strong{display:block;font-size:23px;margin-top:4px}.side-title{display:flex;justify-content:space-between;align-items:center}.side-title h3{margin:5px 0;font-size:23px}.side-title>span{font-size:32px}.ranking-list{display:grid;gap:8px;margin:13px 0}.rank-row{display:grid;grid-template-columns:30px 1fr auto;align-items:center;gap:9px;padding:10px;border-radius:13px;background:rgba(255,255,255,.05)}.rank-row.me{outline:1px solid var(--cyan);background:rgba(99,232,241,.08)}.rank-number{width:28px;height:28px;border-radius:9px;display:grid;place-items:center;background:rgba(255,255,255,.08);font-weight:900}.rank-row small{display:block;color:var(--muted);font-size:10px}.rank-row>strong:last-child{color:var(--yellow)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:15px;margin:30px 0 15px}.section-head h2{margin:5px 0;font-size:30px}.section-head p{color:var(--muted);margin:0}.review-btn{display:flex;align-items:center;gap:10px;text-align:left;background:rgba(255,212,92,.1);border:1px solid rgba(255,212,92,.25);color:#fff}.review-btn>span{font-size:25px}.review-btn small{display:block;color:var(--yellow)}.mission-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.mission{min-height:225px;padding:18px;border-radius:20px;position:relative;overflow:hidden;background:linear-gradient(150deg,rgba(18,58,73,.96),rgba(7,30,40,.96));border:1px solid rgba(255,255,255,.09);transition:.18s ease}.mission:not(.locked):hover{transform:translateY(-4px);border-color:rgba(99,232,241,.42)}.mission.locked{opacity:.48;filter:grayscale(.45)}.mission.completed{border-color:rgba(99,237,159,.38)}.mission-number{position:absolute;right:13px;top:7px;font-size:50px;font-weight:950;color:rgba(255,255,255,.1)}.mission-icon{width:49px;height:49px;border-radius:15px;display:grid;place-items:center;background:rgba(99,232,241,.11);font-size:25px}.mission h3{font-size:19px;margin:14px 0 7px}.mission p{color:var(--muted);font-size:12px;line-height:1.5;margin:0}.mission-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}.mission-tags span{font-size:9px;text-transform:uppercase;letter-spacing:.8px;padding:5px 7px;border-radius:999px;background:rgba(181,156,255,.1);color:#d9ccff}.mission-footer{display:flex;justify-content:space-between;align-items:center;margin-top:15px}.mission-status{font-size:11px;font-weight:900;color:var(--yellow)}.mission button{padding:8px 11px;background:rgba(255,255,255,.09);color:#fff}.final-card{margin-top:20px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:20px;padding:24px;border-radius:25px;background:radial-gradient(circle at 10%,rgba(255,212,92,.18),transparent 28%),linear-gradient(145deg,#164a58,#092d3a);border:1px solid rgba(255,212,92,.28);box-shadow:var(--shadow)}.final-card.locked{opacity:.55;filter:grayscale(.3)}.final-icon{width:76px;height:76px;border-radius:23px;display:grid;place-items:center;font-size:38px;background:linear-gradient(145deg,var(--yellow),var(--orange));color:#15242b}.final-card h2{margin:5px 0}.final-card p{margin:0;color:var(--muted)}.final-stats{text-align:right}.final-stats span{display:block;color:var(--yellow);font-size:12px;margin-bottom:8px}.final-card button{background:linear-gradient(90deg,var(--yellow),var(--orange));color:#15242b}.final-card button:disabled{cursor:not-allowed;transform:none}.danger-zone{text-align:center;margin-top:24px}.danger-link{background:none;border:0;color:#92adb6;text-decoration:underline;cursor:pointer;font-size:12px}
.game-shell{max-width:1000px;margin:auto}.game-hud{display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:10px;margin-bottom:14px}.hud-main{padding:8px 13px;border-radius:14px;background:rgba(255,255,255,.065);border:1px solid rgba(255,255,255,.09);font-weight:850}.hud-pill{padding:10px 13px;border-radius:13px;background:rgba(255,255,255,.065);border:1px solid rgba(255,255,255,.09)}.lesson-card,.question-card,.result-card{padding:clamp(22px,4vw,40px)}.lesson-layout{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:28px}.lesson-card h1,.question-card h1,.result-card h1{font-size:clamp(31px,5vw,50px);line-height:1.05;margin:10px 0 18px}.lesson-text{color:#d8edf1;font-size:16px;line-height:1.72}.lesson-text p{margin:0 0 13px}.lesson-text code{color:var(--yellow);background:rgba(0,0,0,.25);padding:2px 6px;border-radius:6px}.lesson-hint{margin-top:17px;padding:15px;border-radius:16px;background:rgba(255,212,92,.08);border:1px solid rgba(255,212,92,.18);color:#f7e8ad;line-height:1.5}.visual-stage{min-height:330px;border-radius:22px;background:radial-gradient(circle at center,rgba(99,232,241,.11),transparent 58%),rgba(255,255,255,.025);display:grid;place-items:center;overflow:hidden}.visual-stage svg,.question-visual svg{width:min(100%,470px);max-height:340px}.question-topline{display:flex;align-items:center;justify-content:space-between;gap:14px}.question-meta{display:flex;justify-content:space-between;gap:16px;color:var(--cyan);font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:1.3px}.question-meta span:last-child{color:var(--yellow)}.question-card h1{font-size:clamp(25px,4vw,38px);line-height:1.22}.question-visual{min-height:40px;margin:8px 0 16px}.question-visual:empty{display:none}.question-counter{text-align:right;color:var(--muted);font-size:11px;font-weight:800;margin-bottom:8px}.answers{display:grid;grid-template-columns:1fr 1fr;gap:11px}.answer{min-height:68px;text-align:left;border:1px solid rgba(255,255,255,.11);background:rgba(255,255,255,.052);color:#fff;border-radius:17px;padding:14px;display:flex;align-items:center;gap:11px;font-weight:800;cursor:pointer;transition:.16s ease}.answer:hover:not(:disabled){transform:translateY(-2px);border-color:var(--cyan);background:rgba(99,232,241,.08)}.answer-letter{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;flex:0 0 auto;background:rgba(255,255,255,.09);font-weight:950}.answer.correct{border-color:var(--green);background:rgba(99,237,159,.12)}.answer.wrong{border-color:var(--red);background:rgba(255,116,131,.12);animation:shake .32s ease}.answer:disabled{cursor:default}.feedback{display:none;margin-top:16px;padding:15px 17px;border-radius:16px;line-height:1.58}.feedback.show{display:block;animation:pop .2s ease}.feedback.good{background:rgba(99,237,159,.1);border:1px solid rgba(99,237,159,.23)}.feedback.bad{background:rgba(255,116,131,.1);border:1px solid rgba(255,116,131,.23)}.feedback strong{display:block;margin-bottom:4px}.result-card{text-align:center}.result-medal{font-size:75px}.result-card>p{color:var(--muted);font-size:17px}.result-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:25px 0}.result-grid div{padding:16px;border-radius:16px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.07)}.result-grid span{display:block;color:var(--muted);font-size:11px}.result-grid strong{display:block;font-size:26px;margin-top:4px}.result-actions{display:flex;justify-content:center;gap:11px}.toast{position:fixed;left:50%;bottom:25px;transform:translate(-50%,120px);opacity:0;padding:13px 18px;border-radius:14px;background:#f7fbfc;color:#10232b;font-weight:850;box-shadow:var(--shadow);transition:.28s ease;z-index:50}.toast.show{transform:translate(-50%,0);opacity:1}
.timer-box{display:flex;align-items:baseline;gap:4px;min-width:92px;justify-content:center;padding:9px 12px;border-radius:14px;background:rgba(99,232,241,.09);border:1px solid rgba(99,232,241,.25);color:var(--cyan);font-weight:900;transition:.2s ease}.timer-box strong{font-size:24px}.timer-box small{font-size:11px}.timer-box.urgent{background:rgba(255,116,131,.12);border-color:rgba(255,116,131,.48);color:var(--red);animation:pulseTimer .8s infinite alternate}.timer-track{height:7px;background:rgba(255,255,255,.07);border-radius:999px;overflow:hidden;margin:10px 0 7px}.timer-fill{height:100%;width:100%;background:linear-gradient(90deg,var(--green),var(--cyan));border-radius:inherit;transition:width .25s linear}.timer-fill.urgent{background:linear-gradient(90deg,var(--orange),var(--red))}
.code-block{position:relative;background:#07151d;border:1px solid rgba(99,232,241,.17);border-radius:18px;overflow:auto;margin:12px 0 16px;box-shadow:inset 0 1px rgba(255,255,255,.03)}.code-block pre{margin:0;padding:20px 22px;color:#d9f4f5;font-family:"Cascadia Code",Consolas,monospace;font-size:14px;line-height:1.65;white-space:pre-wrap}.code-block .kw{color:#b59cff}.code-block .fn{color:#63e8f1}.code-block .num{color:#ffd45c}.code-block .com{color:#7f9da5}.code-label{position:absolute;right:10px;top:8px;color:#6f929c;font-size:9px;text-transform:uppercase;letter-spacing:1px}.code-editor{width:100%;min-height:230px;resize:vertical;border-radius:18px;border:1px solid rgba(99,232,241,.18);background:#06151d;color:#d9f4f5;padding:18px;font-family:"Cascadia Code",Consolas,monospace;font-size:14px;line-height:1.58;outline:none;tab-size:2}.code-editor:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(99,232,241,.08)}.editor-tools{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-top:10px}.editor-tools small{color:var(--muted)}.code-action{background:linear-gradient(90deg,var(--cyan),var(--teal));color:#06212a}.order-wrap{display:grid;grid-template-columns:1fr 1fr;gap:14px}.order-column{padding:14px;border-radius:18px;background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.08);min-height:230px}.order-column h3{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin:0 0 10px}.code-line-btn{width:100%;text-align:left;margin:5px 0;padding:10px 12px;border-radius:11px;border:1px solid rgba(255,255,255,.09);background:#07151d;color:#d9f4f5;font-family:"Cascadia Code",Consolas,monospace;font-size:13px;cursor:pointer}.code-line-btn:hover{border-color:var(--cyan)}.selected-lines{counter-reset:line}.selected-line{display:flex;align-items:center;gap:8px;padding:9px 10px;margin:5px 0;border-radius:10px;background:#07151d;border:1px solid rgba(99,232,241,.13);font-family:"Cascadia Code",Consolas,monospace;font-size:12px}.selected-line:before{counter-increment:line;content:counter(line);color:var(--yellow);font-weight:900}.selected-line button{margin-left:auto;border:0;background:none;color:var(--red);cursor:pointer}.order-actions{display:flex;justify-content:flex-end;margin-top:12px}.mini-simulator{display:grid;grid-template-columns:160px 1fr;gap:18px;align-items:center;padding:16px;border-radius:18px;background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.08)}.sim-led{width:92px;height:92px;margin:auto;border-radius:50%;background:#4b2930;border:8px solid #7f4851;box-shadow:inset 0 0 25px rgba(0,0,0,.5)}.sim-led.on{background:#ff5468;border-color:#ff91a0;box-shadow:0 0 40px rgba(255,84,104,.8),inset 0 0 18px #fff}.sim-label{color:var(--muted);font-size:13px}.sim-value{font-size:30px;font-weight:950;color:var(--yellow)}
.cloud-status{display:flex;align-items:center;gap:7px;padding:8px 11px;border-radius:999px;background:rgba(255,255,255,.065);border:1px solid rgba(255,255,255,.1);color:var(--muted);font-size:11px;font-weight:850;white-space:nowrap}.cloud-dot{width:9px;height:9px;border-radius:50%;background:var(--yellow);box-shadow:0 0 0 4px rgba(255,212,92,.1)}.cloud-status.online{color:var(--green);border-color:rgba(99,237,159,.23)}.cloud-status.online .cloud-dot{background:var(--green);box-shadow:0 0 0 4px rgba(99,237,159,.1)}.cloud-status.offline{color:var(--yellow);border-color:rgba(255,212,92,.22)}.cloud-status.error{color:var(--red);border-color:rgba(255,116,131,.22)}.cloud-status.error .cloud-dot{background:var(--red)}.cloud-status.syncing .cloud-dot{animation:cloudPulse 1s infinite alternate}
@keyframes pop{from{transform:scale(.97);opacity:0}}@keyframes shake{25%{transform:translateX(-5px)}50%{transform:translateX(5px)}75%{transform:translateX(-3px)}}@keyframes pulseTimer{from{transform:scale(1)}to{transform:scale(1.04)}}@keyframes cloudPulse{to{transform:scale(1.5);opacity:.55}}
@media(max-width:900px){.login-grid,.dashboard-grid,.lesson-layout{grid-template-columns:1fr}.mission-grid{grid-template-columns:repeat(2,1fr)}.side-card{order:2}.hero-board{height:230px}.final-card{grid-template-columns:auto 1fr}.final-stats{grid-column:1/-1;text-align:left;display:flex;justify-content:space-between;align-items:center}.order-wrap{grid-template-columns:1fr}}
@media(max-width:650px){.app-shell{width:min(100% - 18px,1200px)}.brand small,.cloud-status span:last-child,.user-chip>span:nth-child(2){display:none}.cloud-status{padding:10px}.hero{padding:24px}.hero h1{font-size:43px}.hero-board{height:180px}.feature-row,.stat-grid,.result-grid{grid-template-columns:1fr 1fr}.mission-grid,.answers{grid-template-columns:1fr}.section-head{align-items:stretch;flex-direction:column}.review-btn{width:100%}.game-hud{grid-template-columns:auto 1fr auto}.game-hud .hud-pill:last-child{display:none}.lesson-card,.question-card,.result-card{padding:20px}.visual-stage{min-height:250px}.final-card{grid-template-columns:1fr;text-align:center}.final-icon{margin:auto}.final-stats{text-align:center;display:block}.result-actions{flex-direction:column}.result-actions button{width:100%}.question-topline{align-items:flex-start}.timer-box{min-width:76px;padding:8px}.timer-box strong{font-size:20px}.mini-simulator{grid-template-columns:1fr}.editor-tools{align-items:stretch;flex-direction:column}.code-action{width:100%}}

/* MathQuest components */
.math-display{display:grid;place-items:center;gap:7px;min-height:92px;padding:18px 24px;border-radius:20px;background:radial-gradient(circle at center,rgba(181,156,255,.12),transparent 70%),rgba(4,20,29,.72);border:1px solid rgba(181,156,255,.22);text-align:center}.math-display strong{font-family:"Cambria Math","STIX Two Math",Georgia,serif;font-size:clamp(31px,5vw,48px);letter-spacing:.4px;color:#fff}.math-display small{color:var(--muted);font-size:13px}.math-entry{padding:18px;border-radius:19px;background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.09)}.math-entry>label{display:block;margin-bottom:10px;color:#eaf8fa;font-weight:900}.entry-row{display:grid;grid-template-columns:1fr auto;gap:10px}.entry-row input{min-width:0;padding:15px 16px;border-radius:14px;border:1px solid rgba(99,232,241,.22);background:#06151d;color:#fff;font-family:"Cambria Math","Cascadia Code",monospace;font-size:20px;outline:none}.entry-row input:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(99,232,241,.09)}.math-entry>small{display:block;margin-top:11px;color:var(--muted);line-height:1.45}.math-keypad{display:flex;flex-wrap:wrap;gap:7px;margin-top:11px}.math-keypad button{min-width:42px;padding:8px 11px;border-radius:10px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.055);color:#fff;font-weight:900;cursor:pointer}.math-keypad button:hover:not(:disabled){border-color:var(--cyan);background:rgba(99,232,241,.09)}.solution-box{margin-top:12px;padding:12px 14px;border-radius:13px;background:rgba(0,0,0,.18);border:1px solid rgba(255,255,255,.08);font-family:"Cambria Math",Georgia,serif;font-size:17px}.solution-box ol{margin:8px 0 0;padding-left:22px}.triangle-card{display:grid;place-items:center;min-height:200px;padding:8px;border-radius:18px;background:rgba(5,22,31,.66);border:1px solid rgba(181,156,255,.18)}.triangle-card svg{width:min(100%,390px);height:210px}.triangle-card text{fill:#fff;font-size:18px;font-family:Inter,system-ui,sans-serif;font-weight:900}.answer>span:first-child{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;flex:0 0 auto;background:rgba(255,255,255,.09);font-weight:950}.answer>strong{line-height:1.35}.mission:nth-child(n+7):nth-child(-n+13){background:radial-gradient(circle at 90% 10%,rgba(181,156,255,.13),transparent 35%),linear-gradient(150deg,rgba(18,58,73,.96),rgba(7,30,40,.96));border-color:rgba(181,156,255,.18)}
@media(max-width:650px){.entry-row{grid-template-columns:1fr}.entry-row .code-action{width:100%}.math-display strong{font-size:31px}.math-keypad button{flex:1 0 42px}}