@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&display=swap');
:root{--ink:#24304b;--muted:#66718b;--purple:#7657e8;--line:#e8eaf4;--paper:#fff}
*{box-sizing:border-box}
body{margin:0;background:#f7f8ff;color:var(--ink);font-family:Nunito,"Trebuchet MS",sans-serif}
button,a{font:inherit}
.topbar{height:auto;min-height:76px;padding:14px max(22px,calc((100% - 1120px)/2));display:flex;align-items:center;justify-content:space-between;gap:18px;background:#fff;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-size:19px;font-weight:900}
.brand-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:#eee9ff;font-size:24px}
.top-actions{display:flex;align-items:center;gap:12px}
.streak{font-weight:900;color:#a16a00;background:#fff4cc;border-radius:30px;padding:10px 14px;white-space:nowrap}
.ai-shortcut{color:#fff;text-decoration:none;font-weight:900;background:#7657e8;padding:11px 15px;border-radius:14px;box-shadow:0 5px 0 #583ac4;white-space:nowrap}
.container{max-width:1120px;margin:0 auto;padding:30px 22px 24px}
.welcome{background:linear-gradient(120deg,#e9e5ff,#dff7ff);border:1px solid #e0e4ff;border-radius:28px;padding:30px 34px;display:flex;justify-content:space-between;align-items:center;gap:20px;overflow:hidden}
.eyebrow{margin:0 0 7px;color:#7657e8;font-weight:900;font-size:11px;letter-spacing:1.8px}
h1{font-size:clamp(27px,4vw,40px);line-height:1.12;margin:0 0 10px;font-weight:900;letter-spacing:-.8px}
.welcome-text{margin:0;color:#58627d;font-size:16px}
.progress-wrap{max-width:390px;margin-top:24px}
.progress-label{display:flex;justify-content:space-between;gap:16px;font-size:12px;font-weight:800;margin-bottom:8px}
.progress-track{height:10px;border-radius:20px;background:#fff;overflow:hidden}
.progress-bar{height:100%;width:0;background:linear-gradient(90deg,#8b6cff,#32c8b5);border-radius:20px;transition:width .3s}
.mascot{position:relative;font-size:95px;line-height:1;transform:rotate(-4deg);padding:8px 26px}
.mascot span{display:block;position:absolute;bottom:-8px;right:-3px;transform:rotate(4deg);background:#fff;padding:8px 12px;border-radius:12px;font-size:12px;font-weight:900;white-space:nowrap;box-shadow:0 5px 18px #4d5c7718}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:34px 0 17px}
h2{font-size:25px;letter-spacing:-.5px;margin:0;font-weight:900}
.small-note{font-size:13px;color:var(--muted);margin:0 0 3px}
.subjects{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}
.subject-card{border:2px solid transparent;text-align:left;padding:20px 18px 17px;min-height:205px;border-radius:22px;display:flex;flex-direction:column;align-items:flex-start;cursor:pointer;transition:transform .18s,box-shadow .18s;color:var(--ink)}
.subject-card:hover{transform:translateY(-4px);box-shadow:0 12px 26px #28385b14}
.math{background:#fff0dc;border-color:#ffe2bd}.turkish{background:#ffe8f0;border-color:#ffd5e3}.science{background:#dcf8ef;border-color:#c6f0e2}.social{background:#e4efff;border-color:#d0e1ff}
.subject-emoji{font-size:35px;margin-bottom:13px}.subject-name{font-size:18px;font-weight:900}.subject-desc{font-size:12px;color:#68728a;margin-top:5px}.card-arrow{font-size:12px;font-weight:900;margin-top:auto;padding-top:17px}
.learning-area{margin-top:28px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:0 8px 30px #28385b08}
.hidden{display:none!important}
.learning-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.close-button{border:0;border-radius:12px;background:#f1f2f8;width:38px;height:38px;font-weight:900;cursor:pointer}
.lesson-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.lesson-panel,.quiz-panel{border-radius:19px;padding:22px}
.lesson-panel{background:#f6f4ff}.quiz-panel{background:#f5fbff;border:1px solid #e0f0fa}
h3{font-size:18px;margin:0 0 14px;font-weight:900}
#lessonContent{line-height:1.7;color:#495570;font-size:14px}
#lessonContent ul{padding-left:20px}
.tip{margin-top:18px;padding:12px;border-radius:13px;background:#fff;color:#5a5579;font-size:12px;line-height:1.5}
.quiz-header{display:flex;align-items:center;justify-content:space-between;gap:10px}
.quiz-header h3{margin:0}
#questionCount{font-size:12px;font-weight:900;background:#e4f4ff;color:#2774a2;border-radius:20px;padding:7px 10px;white-space:nowrap}
.question-text{font-size:17px;line-height:1.5;font-weight:900;margin:22px 0 16px}
.answers{display:grid;gap:10px}
.answer-button{background:#fff;border:2px solid #e2e8f3;border-radius:13px;padding:12px 14px;text-align:left;font-weight:800;color:#35415b;cursor:pointer}
.answer-button:hover:not(:disabled){border-color:#9c8af0}
.answer-button.correct{background:#e1faed;border-color:#42c88b;color:#17683e}
.answer-button.wrong{background:#fff0ef;border-color:#ff8f86;color:#a42e27}
.answer-button:disabled{cursor:default}
.feedback{min-height:22px;font-size:13px;font-weight:900;margin:13px 0 0}
.quiz-actions{display:flex;justify-content:flex-end;margin-top:12px}
.primary-button{border:0;border-radius:12px;padding:12px 16px;background:#7657e8;color:#fff;font-weight:900;cursor:pointer}
.primary-button:disabled{opacity:.45;cursor:not-allowed}
.bottom-banner{margin-top:26px;border-radius:22px;background:#fff;border:1px solid var(--line);padding:20px 22px;display:flex;align-items:center;gap:16px}
.banner-icon{font-size:31px;display:grid;place-items:center;width:54px;height:54px;border-radius:17px;background:#fff0d7;flex-shrink:0}
.bottom-banner h3{margin:0 0 4px}.bottom-banner p{margin:0;color:var(--muted);font-size:12px;line-height:1.5}
.banner-link{margin-left:auto;white-space:nowrap;text-decoration:none;color:#7657e8;font-weight:900;font-size:13px}
footer{display:flex;justify-content:space-between;gap:12px;padding:24px 2px 4px;color:#858ca1;font-size:12px;font-weight:800}footer span{font-weight:600}
@media(max-width:800px){.subjects{grid-template-columns:repeat(2,minmax(0,1fr))}.lesson-grid{grid-template-columns:1fr}.mascot{font-size:75px;padding:8px 12px}.welcome{padding:24px}.topbar{flex-wrap:wrap}.top-actions{margin-left:auto}}
@media(max-width:520px){.topbar{padding:12px 15px}.brand{font-size:15px}.brand-icon{width:35px;height:35px}.top-actions{width:100%;justify-content:space-between}.container{padding:18px 14px}.welcome{padding:22px 18px}.mascot{display:none}.section-heading{align-items:start;flex-direction:column}.subjects{gap:10px}.subject-card{padding:16px 14px;min-height:185px}.subject-name{font-size:16px}.learning-area{padding:15px}.lesson-panel,.quiz-panel{padding:16px}.bottom-banner{align-items:flex-start;flex-wrap:wrap}.banner-link{margin-left:70px}footer{flex-direction:column}}