@font-face{font-family:"Baloo 2";font-style:normal;font-display:swap;font-weight:600;src:url(./baloo-2-latin-600-normal-tIfxVoAe.woff2) format("woff2"),url(./baloo-2-latin-600-normal-B4tNaogw.woff) format("woff")}@font-face{font-family:"Baloo 2";font-style:normal;font-display:swap;font-weight:700;src:url(./baloo-2-latin-700-normal-CqTg7A15.woff2) format("woff2"),url(./baloo-2-latin-700-normal-Ld3Zm3l2.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:400;src:url(./nunito-latin-400-normal-r8SDr6Up.woff2) format("woff2"),url(./nunito-latin-400-normal-DKg4f3fz.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:700;src:url(./nunito-latin-700-normal-Dort48En.woff2) format("woff2"),url(./nunito-latin-700-normal-OcDqTBcA.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:800;src:url(./nunito-latin-800-normal-Dz8SOQK_.woff2) format("woff2"),url(./nunito-latin-800-normal-D-J0wlBY.woff) format("woff")}:root{--paper: #f5efe3;--paper-deep: #ebe2d1;--card: #fffdf8;--ink: #1c1a2c;--ink-soft: #4b485e;--muted: #817e8f;--line: rgba(28, 26, 44, .13);--line-strong: rgba(28, 26, 44, .24);--violet: #5140c6;--violet-deep: #34278e;--violet-soft: #ebe7ff;--lime: #c7e65b;--sun: #f6c84c;--coral: #ec6a52;--mint: #55a88c;--sans: "Nunito", sans-serif;--display: "Baloo 2", sans-serif;--serif: "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;--radius: 24px;font-family:var(--sans);color:var(--ink);background:var(--paper);font-synthesis:none;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:radial-gradient(ellipse 65% 55% at 2% -4%,rgba(246,200,76,.2),transparent 60%),radial-gradient(ellipse 55% 50% at 100% 102%,rgba(81,64,198,.1),transparent 64%),var(--paper)}body:before{content:"";position:fixed;inset:0;z-index:-1;opacity:.33;pointer-events:none;background-image:linear-gradient(rgba(28,26,44,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(28,26,44,.06) 1px,transparent 1px);background-size:26px 26px}button,input{font:inherit;color:inherit}button{border:0;cursor:pointer;-webkit-tap-highlight-color:transparent}button:disabled{cursor:default}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--violet);outline-offset:4px}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:var(--display)}svg{flex:none}a{color:inherit;text-decoration:none}::selection{background:var(--violet);color:#fff}.eyebrow{display:flex;align-items:center;gap:8px;color:var(--violet);font-size:9px;font-weight:800;letter-spacing:1.8px;line-height:1.3;text-transform:uppercase}.eyebrow>span{width:18px;height:1px;background:currentColor}.app-shell{position:relative;display:flex;min-height:100svh;max-width:1520px;flex-direction:column;margin:0 auto;padding:0 56px}.background-glow{display:none}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:79px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px}.brand-icon{display:grid;place-items:center;width:41px;height:41px;border-radius:13px;background:var(--violet);color:var(--lime);box-shadow:inset 0 1px #ffffff29,0 8px 20px -12px #34278eb3}.brand-icon svg{width:22px;height:22px}.brand>span:last-child{display:flex;flex-direction:column;gap:1px;font-family:var(--display);font-size:22px;font-weight:700;letter-spacing:-.4px;line-height:1.05}.brand small{color:var(--muted);font-family:var(--sans);font-size:8px;font-weight:800;letter-spacing:1.9px}.top-actions{display:flex;align-items:center;gap:8px}.sound-button{display:grid;place-items:center;width:39px;height:39px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--ink-soft);transition:background .16s ease,color .16s ease}.sound-button:hover{background:var(--card);color:var(--violet)}.sound-button svg{width:18px;height:18px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:41px;padding:0 17px;border:1px solid var(--line);border-radius:999px;background:var(--card);color:var(--ink);font-size:12px;font-weight:800;line-height:1;white-space:nowrap;transition:transform .16s ease,background .16s ease,border-color .16s ease}.button:hover:not(:disabled){transform:translateY(-2px);border-color:var(--line-strong)}.button:active:not(:disabled){transform:translateY(1px)}.button svg{width:17px;height:17px}.button.primary{background:var(--violet);border-color:var(--violet);color:#fff;box-shadow:0 10px 22px -14px #34278ee6}.button.primary:hover:not(:disabled){background:var(--violet-deep)}.button:disabled{opacity:.35}.restart-button{background:transparent}.restart-button:hover{background:var(--card)}main{display:flex;flex:1;flex-direction:column}.main-layout{display:grid;grid-template-columns:minmax(0,.88fr) minmax(0,1.28fr);gap:38px;flex:1;align-items:center;padding:22px 0 18px}.buddy-column{display:flex;min-width:0;flex-direction:column;gap:16px}.intro{max-width:520px}.intro .eyebrow{margin-bottom:10px}.intro h1{font-size:clamp(45px,4.8vw,65px);font-weight:600;letter-spacing:-2.7px;line-height:.9}.intro h1 span{color:var(--violet);font-family:var(--serif);font-weight:400;letter-spacing:-2px}.intro>p:last-child{max-width:430px;margin-top:13px;color:var(--ink-soft);font-size:13px;line-height:1.55}.buddy{position:relative;display:flex;min-height:222px;align-items:center;gap:9px;overflow:hidden;padding:9px 17px 9px 7px;border-radius:var(--radius);background:radial-gradient(ellipse 80% 100% at 8% 0%,rgba(199,230,91,.18),transparent 56%),linear-gradient(135deg,#4433b3,#2c2180);color:#f8f4ec;box-shadow:0 26px 50px -30px #2c2180cc}.buddy:after{content:"";position:absolute;inset:0;opacity:.12;pointer-events:none;background-image:radial-gradient(rgba(255,255,255,.8) .5px,transparent .5px);background-size:5px 5px}.robot-wrap{position:relative;width:190px;height:198px;flex:none}.robot{position:relative;z-index:1;width:100%;height:100%}.orbit{position:absolute;left:15px;top:17px;width:155px;height:155px;border:1px solid rgba(199,230,91,.2);border-radius:50%}.orbit.outer{left:3px;top:6px;width:178px;height:178px;border-style:dashed;opacity:.6}.robot-spark{position:absolute;top:20px;right:15px;z-index:2;color:var(--lime)}.robot-spark svg{width:16px;height:16px}.speech{position:relative;z-index:1;min-height:62px;flex:1;padding:13px 15px 13px 18px;border-radius:4px 15px 15px;background:#fffdf8f5;color:var(--ink);font-family:var(--display);font-size:15px;font-weight:600;line-height:1.24;box-shadow:0 12px 24px -18px #0009}.speech>span{position:absolute;left:-7px;top:18px;width:12px;height:12px;background:inherit;transform:rotate(45deg);border-radius:2px}.ai-card{padding:16px 18px;border:1px solid rgba(81,64,198,.18);border-radius:18px;background:var(--violet-soft)}.ai-icon{display:inline-grid;place-items:center;width:27px;height:27px;margin-right:8px;border-radius:8px;background:var(--violet);color:var(--lime);vertical-align:middle}.ai-icon svg{width:15px;height:15px}.ai-card>div{display:inline-block;width:calc(100% - 42px);vertical-align:middle}.ai-card h3{font-size:17px;font-weight:600;letter-spacing:-.25px}.ai-card p{margin-top:4px;color:var(--ink-soft);font-size:11px;line-height:1.45}.ai-card small{display:block;margin-top:7px;padding-top:6px;border-top:1px solid rgba(81,64,198,.15);color:var(--violet);font-size:9px;font-weight:800}.quiz-card{position:relative;display:flex;min-width:0;min-height:592px;flex-direction:column;padding:23px 27px 16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);box-shadow:0 34px 70px -50px #1c1a2ca6}.quiz-top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:13px}.grade-tag{display:inline-flex;align-items:center;gap:7px;color:var(--ink-soft);font-size:9px;font-weight:800;letter-spacing:1.3px;text-transform:uppercase}.grade-tag>span:first-child{width:6px;height:6px;border-radius:50%;background:var(--coral)}.grade-tag .divider{color:var(--line-strong)}.marks{display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--ink-soft);font-size:9px;font-weight:800;letter-spacing:.8px;text-transform:uppercase}.star-icon{color:var(--sun);font-size:13px}.marks strong{margin-left:3px;color:var(--ink);font-family:var(--serif);font-size:14px;letter-spacing:0}.marks strong>span:last-child{color:var(--muted);font-family:var(--sans);font-size:9px;font-weight:700}.progress-track{position:relative;height:4px;overflow:hidden;border-radius:999px;background:var(--paper-deep)}.progress-track>div{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--violet),var(--coral));transform-origin:left;transition:transform .45s cubic-bezier(.2,.75,.3,1)}.topic-screen{display:flex;flex:1;flex-direction:column;align-items:center;justify-content:center;padding:25px 12px 18px;text-align:center}.topic-icon{display:grid;place-items:center;width:50px;height:50px;margin-bottom:14px;border-radius:50%;background:var(--sun);color:var(--ink)}.topic-icon svg{width:22px;height:22px}.topic-screen>strong{font-family:var(--display);font-size:27px;font-weight:600;letter-spacing:-.7px;line-height:1.1}.topic-screen>p{max-width:390px;margin-top:6px;color:var(--muted);font-size:12px;line-height:1.5}.topic-form{display:flex;width:min(470px,100%);gap:7px;margin-top:17px}.topic-form input{min-width:0;flex:1;height:48px;padding:0 16px;border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);font-size:13px;outline:none;transition:border-color .16s ease,background .16s ease}.topic-form input:focus{border-color:var(--violet);background:var(--card)}.topic-form input::placeholder{color:var(--muted)}.topic-form .button{min-height:48px;border-radius:12px;padding:0 16px}.topic-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin-top:12px}.topic-chips button{min-height:30px;padding:0 11px;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--ink-soft);font-size:10px;font-weight:800;transition:background .16s ease,border-color .16s ease,color .16s ease}.topic-chips button:hover,.topic-chips button[aria-pressed=true]{border-color:var(--violet);background:var(--violet-soft);color:var(--violet)}.lana-loading{display:flex;flex:1;flex-direction:column;align-items:center;justify-content:center;gap:7px;text-align:center}.lana-spinner{display:inline-block;width:28px;height:28px;border:2px solid var(--paper-deep);border-top-color:var(--violet);border-radius:50%;animation:spin .8s linear infinite}.lana-loading strong{font-family:var(--display);font-size:22px;font-weight:600}.lana-loading p{color:var(--muted);font-size:12px}.question-content{display:flex;flex:1;flex-direction:column;padding-top:16px}.question-signal{display:flex;align-items:center;gap:9px;min-height:42px}.signal-label{color:var(--coral);font-size:8px;font-weight:800;letter-spacing:1.6px}.signal-number{color:var(--violet);font-family:var(--serif);font-size:31px;line-height:1}.signal-caption{color:var(--muted);font-size:9px;font-weight:700}.question-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:3px;color:var(--muted);font-size:9px;font-weight:800;letter-spacing:.7px;text-transform:uppercase}.question-meta strong{color:var(--ink);font-family:var(--serif);font-size:14px;letter-spacing:0}.out-of{color:var(--muted);font-family:var(--sans);font-size:9px}.subject{padding:4px 8px;border-radius:5px;background:var(--violet-soft);color:var(--violet);font-size:8px;letter-spacing:.7px}.subject-science{background:#e2f1e8;color:#34745b}.subject-english{background:#fcedd9;color:#9b6423}.subject-evs{background:#e1f2ed;color:#2f7564}.question-content h2{margin:10px 0 13px;font-size:clamp(23px,2.3vw,30px);font-weight:600;letter-spacing:-.8px;line-height:1.08}.answers{display:grid;grid-template-columns:1fr 1fr;gap:8px}.answer{display:flex;align-items:center;gap:9px;min-height:53px;padding:9px 12px;border:1px solid var(--line);border-radius:11px;background:var(--card);color:var(--ink-soft);font-size:11.5px;font-weight:700;line-height:1.25;text-align:left;transition:transform .15s ease,border-color .15s ease,background .15s ease}.answer:hover:not(:disabled){transform:translateY(-2px);border-color:#5140c666;background:var(--violet-soft)}.answer:active:not(:disabled){transform:translateY(1px)}.answer:disabled{opacity:1}.answer-letter{display:grid;place-items:center;width:24px;height:24px;flex:none;border:1px solid var(--line);border-radius:6px;color:var(--muted);font-family:var(--serif);font-size:11px}.answer>span:nth-child(2){flex:1}.answer>svg{width:17px;height:17px}.answer-correct{border-color:#55a88c8c;background:#e9f5ef;color:#255943}.answer-correct .answer-letter{border-color:var(--mint);background:var(--mint);color:#fff}.answer-wrong{border-color:#ec6a5280;background:#fceeea;color:#8f3827}.answer-wrong .answer-letter{border-color:var(--coral);background:var(--coral);color:#fff}.feedback{display:flex;min-height:65px;align-items:flex-start;gap:9px;margin-top:10px;padding:10px 11px;border:1px solid var(--line);border-radius:10px;background:var(--paper);color:var(--muted);font-size:10.5px;line-height:1.45}.feedback>p{margin:0}.feedback>svg{width:16px;height:16px;margin-top:1px;color:var(--violet)}.feedback strong{display:block;margin-bottom:2px;color:var(--ink);font-size:10px}.feedback-correct{border-color:#55a88c4d;background:#edf7f2;color:#3d6e5b}.feedback-correct>svg{color:var(--mint)}.feedback-wrong{border-color:#ec6a5247;background:#fdf1ed;color:#865043}.feedback-wrong>svg{color:var(--coral)}.feedback-hint{border-color:#f6c84c73;background:#fdf7e3;color:#785e24}.point-tag{margin-left:6px;padding:2px 5px;border-radius:4px;background:#55a88c26;color:#34745b;font-size:8px}.feedback-wrong .point-tag{background:#ec6a521f;color:#9b4b3a}.success-spark{margin-left:auto;color:var(--sun)}.success-spark svg{width:18px;height:18px}.lana-note{display:flex;align-items:center;gap:7px}.lana-note .lana-spinner{width:12px;height:12px;border-width:2px}.quiz-controls{display:flex;align-items:center;gap:8px;margin-top:auto;padding-top:10px}.hint-button{display:inline-flex;align-items:center;gap:7px;min-height:41px;padding:0 13px;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--ink-soft);font-size:10px;font-weight:800}.hint-button:hover:not(:disabled){background:var(--paper)}.hint-button:disabled{opacity:.35}.hint-button svg{width:15px;height:15px;color:var(--sun)}.quiz-controls .primary{margin-left:auto}.topic-row{display:flex;flex-wrap:wrap;gap:5px;min-height:31px;align-items:flex-end;margin-top:10px;padding-top:10px;border-top:1px solid var(--line)}.topic-row span{padding:3px 8px;border-radius:5px;color:var(--muted);font-size:8px;font-weight:800;letter-spacing:.7px;text-transform:uppercase}.topic-row .active-topic{background:var(--violet-soft);color:var(--violet)}.result-content{display:flex;flex:1;flex-direction:column;align-items:center;justify-content:center;padding:20px 0 18px;text-align:center}.celebration-confetti{color:var(--sun);font-size:17px;letter-spacing:7px;animation:sparkle .7s ease both}.trophy-circle{position:relative;display:grid;place-items:center;width:82px;height:82px;margin:10px 0 12px;border-radius:50%;background:var(--sun);color:var(--ink);box-shadow:0 18px 30px -18px #f6c84ce6}.trophy-circle>svg{width:37px;height:37px}.result-spark{position:absolute;right:-4px;top:-1px;color:var(--coral)}.result-spark svg{width:17px;height:17px}.result-content .eyebrow{color:var(--muted);font-size:8px}.result-content h2{margin-top:8px;font-size:clamp(30px,3.2vw,43px);font-weight:600;letter-spacing:-1.3px;line-height:1}.big-score{display:flex;align-items:baseline;margin:12px 0 8px;color:var(--violet);font-family:var(--serif);font-size:64px;line-height:.85}.big-score>span:last-child{color:var(--muted);font-family:var(--sans);font-size:16px;font-weight:700}.result-message{max-width:400px;color:var(--ink-soft);font-size:12px;line-height:1.5}.result-content .primary{margin-top:17px}footer{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:45px;padding:9px 0;border-top:1px solid var(--line);color:var(--muted);font-size:8px;font-weight:700;letter-spacing:.7px;text-transform:uppercase}.footer-note{display:inline-flex;align-items:center;gap:6px;color:var(--violet)}.footer-note>span{width:5px;height:5px;border-radius:50%;background:var(--mint)}.idle-prompt{position:fixed;left:50%;bottom:28px;z-index:20;display:inline-flex;align-items:center;gap:8px;min-height:45px;padding:0 18px;border:1px solid var(--line);border-radius:999px;background:var(--violet);color:#fff;font-size:12px;font-weight:800;box-shadow:0 18px 40px -16px #34278ebf;transform:translate(-50%);animation:invite 2.4s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes invite{50%{transform:translate(-50%) translateY(-4px)}}@keyframes sparkle{0%{opacity:0;transform:scale(.7)}to{opacity:1;transform:scale(1)}}.buddy-column{animation:enter .5s 50ms both}.quiz-card{animation:enter .5s .12s both}@keyframes enter{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:1180px){.app-shell{padding:0 32px}.main-layout{gap:24px;grid-template-columns:minmax(0,.83fr) minmax(0,1.2fr)}.intro h1{font-size:52px}.robot-wrap{width:154px;height:176px}.quiz-card{padding:20px 22px 14px}.answers{grid-template-columns:1fr;max-height:250px}}@media(max-width:900px){.main-layout{grid-template-columns:1fr;gap:18px;align-items:start}.buddy-column{display:grid;grid-template-columns:.95fr 1.05fr;align-items:stretch}.intro{grid-column:1 / -1}.buddy{min-height:196px}.ai-card{display:flex;flex-direction:column;justify-content:center}.quiz-card{min-height:0}.answers{grid-template-columns:1fr 1fr;max-height:none}}@media(max-width:680px){.app-shell{padding:0 16px}.topbar{min-height:69px}.brand-icon{width:37px;height:37px;border-radius:11px}.brand>span:last-child{font-size:20px}.brand small{font-size:7px;letter-spacing:1.4px}.sound-button{width:36px;height:36px}.restart-button{min-height:37px;padding:0 12px;font-size:10px}.restart-button svg{width:14px;height:14px}.main-layout{padding:17px 0 14px}.buddy-column{grid-template-columns:1fr;gap:11px}.intro h1{font-size:43px;letter-spacing:-2px}.intro>p:last-child{margin-top:9px;font-size:12px}.buddy{min-height:188px;padding:8px 12px 8px 4px}.robot-wrap{width:146px;height:172px}.speech{font-size:12.5px;padding:11px 11px 11px 15px}.ai-card{padding:13px 14px}.quiz-card{padding:16px 14px 12px;border-radius:19px}.quiz-top{margin-bottom:10px}.grade-tag{font-size:8px;letter-spacing:1px}.marks{font-size:8px;padding:5px 8px}.topic-screen{padding:28px 4px 18px}.topic-screen>strong{font-size:24px}.topic-form{flex-direction:column}.topic-form input,.topic-form .button{min-height:46px}.question-content{padding-top:12px}.question-signal{min-height:34px}.signal-number{font-size:26px}.question-content h2{font-size:23px;margin:8px 0 10px}.answers{grid-template-columns:1fr;gap:6px}.answer{min-height:47px;font-size:11px}.feedback{font-size:10px;min-height:60px}.quiz-controls{flex-wrap:wrap}.quiz-controls .primary{margin-left:0;flex:1}.result-content h2{font-size:32px}.big-score{font-size:55px}footer{flex-direction:column;align-items:flex-start;gap:3px;padding:11px 0;font-size:8px}}@media(max-width:380px){.intro h1{font-size:38px}.buddy{min-height:175px}.robot-wrap{width:130px;height:156px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}