@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');
:root{--bg:#090e1b;--panel:#111a2c;--panel2:#152139;--line:#263550;--text:#eef4ff;--muted:#93a3bd;--cyan:#53e0d0;--blue:#658cff;--purple:#a78bfa;--good:#5de0a3;--danger:#ff7c91}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:'DM Sans',Arial,sans-serif;min-height:100vh}a{color:var(--cyan);text-decoration:none}.ambient{position:fixed;inset:0;pointer-events:none;background:radial-gradient(ellipse at 15% 0%,#183c5744,transparent 38%),radial-gradient(ellipse at 90% 20%,#45307830,transparent 35%);z-index:-1}.topbar{height:76px;border-bottom:1px solid #ffffff12;display:flex;align-items:center;justify-content:space-between;padding:0 max(5vw,20px);background:#090e1bdc;position:sticky;top:0;z-index:10;backdrop-filter:blur(14px)}.brand{display:flex;align-items:center;gap:11px;color:var(--text);font-family:'Space Grotesk',sans-serif;font-size:14px;letter-spacing:.7px}.brand b{color:var(--cyan)}.brand small{display:block;font:600 9px 'DM Sans';letter-spacing:1.8px;color:var(--muted);margin-top:3px}.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan),var(--blue));color:#07121d;font-weight:900;font-size:22px;box-shadow:0 5px 24px #53e0d033}.top-actions{display:flex;align-items:center;gap:9px}.btn{border:1px solid var(--line);border-radius:11px;padding:10px 15px;background:var(--panel2);color:var(--text);font-weight:700;font:700 13px 'DM Sans';cursor:pointer;transition:.2s}.btn:hover{transform:translateY(-1px);border-color:var(--cyan)}.btn.primary{background:linear-gradient(110deg,var(--cyan),#7cb4ff);color:#07131e;border:0}.btn.ghost{background:#111a2c88}.btn.big{padding:14px 19px}.btn.full{width:100%;margin-top:8px}.avatar{width:35px;height:35px;border:1px solid var(--line);border-radius:50%;background:var(--panel2);color:var(--cyan);font-weight:800;cursor:pointer}.pill,.tag{font-size:10px;letter-spacing:1px;font-weight:800;border:1px solid var(--line);border-radius:30px;padding:7px 10px;color:var(--muted);white-space:nowrap}.tag{border-radius:6px;padding:5px 7px;color:var(--cyan);background:#53e0d00c}.shell{width:min(1160px,90%);margin:auto}.hero{padding:66px 0 48px;display:grid;grid-template-columns:1.4fr .8fr;gap:50px;align-items:center}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--cyan);font-weight:800;margin:0 0 13px}.hero h1{font:700 clamp(38px,5vw,62px)/1.05 'Space Grotesk';margin:0;letter-spacing:-2px}.hero h1 span{background:linear-gradient(90deg,var(--cyan),#8c9dff);color:transparent;background-clip:text}.lead{font-size:16px;line-height:1.7;color:var(--muted);max-width:580px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin:25px 0}.hero-stats{display:flex;gap:38px;margin-top:32px}.hero-stats b{display:block;font:700 24px 'Space Grotesk'}.hero-stats small,.stats-row small{display:block;color:var(--muted);font-size:11px;margin-top:4px}.hero-card,.panel{background:linear-gradient(145deg,#142039ed,#0f1829ed);border:1px solid var(--line);border-radius:19px;padding:22px;box-shadow:0 18px 50px #0002}.hero-card{position:relative;overflow:hidden}.hero-card:after{content:"";position:absolute;width:190px;height:190px;border-radius:50%;background:#53e0d015;right:-70px;top:-70px}.orb{font-size:36px;width:65px;height:65px;display:grid;place-items:center;border-radius:20px;background:linear-gradient(135deg,#53e0d02a,#658cff33);margin-bottom:20px}.hero-card h2{font:700 28px 'Space Grotesk';margin:5px 0}.muted{color:var(--muted);line-height:1.6}.xp-track{height:8px;border-radius:10px;background:#26344c;overflow:hidden;margin:13px 0}.xp-track i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan),var(--blue));border-radius:10px;transition:width .4s}.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:22px;font-size:12px;color:#c5d3e8}.section{padding:30px 0 36px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:15px;margin-bottom:20px}.section h2,.section-head h2{font:700 27px 'Space Grotesk';margin:0}.section-intro{margin-top:-8px;max-width:700px;font-size:13px}.dashboard-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:15px}.panel h3{font:700 17px 'Space Grotesk';margin:12px 0 7px}.panel-top{display:flex;justify-content:space-between;align-items:center}.status-dot{color:var(--good);font-size:11px}.welcome-row{display:flex;align-items:center;gap:14px;margin:18px 0}.big-avatar{width:58px;height:58px;display:grid;place-items:center;background:#253554;border-radius:18px;font-size:30px}.welcome-row h3{margin:0 0 4px}.welcome-row p{margin:0;font-size:12px}.stats-row{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:15px}.stats-row b{font:700 21px 'Space Grotesk'}.quick-links{display:grid;gap:8px;margin-top:15px}.quick-links button{padding:10px;border:1px solid var(--line);border-radius:9px;background:#0b1424;color:var(--text);text-align:left;cursor:pointer}.quick-links button:hover{border-color:var(--cyan)}.progress-line{display:flex;justify-content:space-between;font-size:12px;margin-top:22px}.select,input,textarea{background:#0b1424;border:1px solid var(--line);border-radius:10px;color:var(--text);padding:11px;font:inherit;outline:none}.select:focus,input:focus,textarea:focus{border-color:var(--cyan)}.subject-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.subject-card{padding:18px;border-radius:15px;border:1px solid var(--line);background:linear-gradient(145deg,#15213a,#10192b);cursor:pointer;transition:.2s}.subject-card:hover{transform:translateY(-3px);border-color:var(--cyan)}.subject-icon{font-size:26px}.subject-card h3{font:700 16px 'Space Grotesk';margin:12px 0 5px}.subject-card p{font-size:12px;color:var(--muted);margin:0;line-height:1.5}.subject-foot{display:flex;justify-content:space-between;align-items:center;margin-top:17px;font-size:10px;color:var(--cyan)}.split{display:grid;grid-template-columns:1.2fr .8fr;gap:25px;align-items:start}.split>div>h2{margin:0 0 8px;font:700 27px 'Space Grotesk'}.quiz-panel{margin-top:18px}.quiz-top,.quiz-bottom{display:flex;justify-content:space-between;align-items:center}.quiz-panel h3{font-size:19px;line-height:1.5;margin:23px 0}.answers{display:grid;gap:9px}.answer{padding:12px;border:1px solid var(--line);border-radius:10px;background:#0c1627;color:var(--text);text-align:left;cursor:pointer}.answer:hover:not(:disabled){border-color:var(--cyan)}.answer.correct{border-color:var(--good);background:#5de0a314}.answer.wrong{border-color:var(--danger);background:#ff7c9114}.feedback{min-height:22px;font-size:12px;color:var(--cyan)}.quiz-bottom{border-top:1px solid var(--line);padding-top:13px}.exam-card{margin-top:48px}.exam-icon{font-size:40px;margin-top:20px}.divider{height:1px;background:var(--line);margin:18px 0}.feature-row{font-size:12px;color:#c6d3e6;margin:9px 0}.feature-row span{color:var(--good);margin-right:8px}.tutor-panel{margin-top:17px}.tutor-head{display:flex;align-items:center;gap:10px}.tutor-icon{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:#a78bfa22;color:var(--purple);font-size:23px}.tutor-head b,.tutor-head small{display:block}.tutor-head small{font-size:10px;color:var(--muted);margin-top:3px}.tutor-head .pill{margin-left:auto}.chat-messages{height:220px;overflow:auto;border-block:1px solid var(--line);margin:16px 0;padding:12px 0;display:flex;flex-direction:column;gap:10px}.chat-bubble{max-width:88%;padding:11px 13px;border-radius:13px;font-size:12px;line-height:1.6;white-space:pre-wrap}.chat-bubble.bot{background:#1b2941;align-self:flex-start}.chat-bubble.user{background:#1b514f;align-self:flex-end}.tutor-form{display:flex;gap:8px}.tutor-form input{flex:1;min-width:0}.extras{margin-top:48px}.extra-item{display:flex;gap:13px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}.extra-item>span{font-size:24px}.extra-item b,.extra-item small{display:block}.extra-item small{font-size:11px;color:var(--muted);margin-top:4px}footer{border-top:1px solid var(--line);padding:30px 0 40px;margin-top:35px;display:flex;align-items:center;justify-content:space-between;gap:20px}footer p{font-size:10px;color:var(--muted);max-width:440px}.small-brand{font-size:11px}.small-brand .brand-mark{width:30px;height:30px;font-size:18px}.modal{position:fixed;inset:0;background:#02050bd9;display:none;place-items:center;padding:20px;z-index:30}.modal.open{display:grid}.modal-card{width:min(430px,100%);max-height:90vh;overflow:auto;background:#111b2e;border:1px solid var(--line);border-radius:18px;padding:25px;position:relative}.modal-card.wide{width:min(720px,100%)}.modal-card h2{font:700 25px 'Space Grotesk';margin:0 0 20px}.close{position:absolute;right:17px;top:12px;background:none;border:0;color:var(--muted);font-size:26px;cursor:pointer}.modal label,.admin-login label{display:block;font-size:12px;color:#b9c8dc;margin:13px 0}.modal label input,.modal label select,.admin-login input{display:block;width:100%;margin-top:6px}.error{color:var(--danger);font-size:12px;min-height:16px}.tiny{font-size:10px}.text-button{border:0;background:none;color:var(--cyan);cursor:pointer}.toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%,20px);opacity:0;background:#1a2b43;border:1px solid var(--line);border-radius:12px;padding:12px 18px;font-size:12px;z-index:50;transition:.25s;pointer-events:none}.toast.show{opacity:1;transform:translate(-50%,0)}.admin-shell{width:min(1050px,90%);margin:auto}.admin-hero{padding-top:50px}.admin-login{max-width:490px;margin:0 auto 45px}.admin-login input{width:100%}.admin-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:18px}.admin-stats small,.admin-stats b{display:block}.admin-stats small{color:var(--muted)}.admin-stats b{font:700 28px 'Space Grotesk';margin-top:10px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:12px}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line)}th{color:var(--cyan)}summary{cursor:pointer;color:var(--cyan);font-size:12px;margin:10px 0}@media(max-width:850px){.hero{grid-template-columns:1fr;gap:25px;padding-top:42px}.hero-card{max-width:500px}.dashboard-grid{grid-template-columns:1fr 1fr}.progress-panel{grid-column:span 2}.split{grid-template-columns:1fr}.exam-card,.extras{margin-top:0}.subject-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.topbar{height:auto;min-height:65px;padding:10px 4%;gap:10px}.brand{font-size:11px}.brand-mark{width:32px;height:32px}.top-actions{gap:5px}.top-actions .pill{display:none}.top-actions .btn{padding:8px;font-size:11px}.shell,.admin-shell{width:92%}.hero h1{font-size:42px}.hero-stats{gap:24px}.dashboard-grid{grid-template-columns:1fr}.progress-panel{grid-column:auto}.subject-grid{grid-template-columns:1fr 1fr;gap:9px}.subject-card{padding:13px}.section-head{align-items:center}.section h2,.section-head h2{font-size:22px}.select{max-width:115px;padding:9px;font-size:12px}.tutor-form{flex-direction:column}.tutor-form .btn{width:100%}footer{align-items:flex-start;flex-direction:column}.admin-stats{grid-template-columns:1fr}.hero-actions .btn{flex:1;text-align:center}.welcome-row{align-items:flex-start}}