:root{--primary: #7c3aed;--primary-light: #a78bfa;--primary-dark: #6d28d9;--secondary: #FF6B6B;--secondary-light: #FF8787;--secondary-dark: #E84118;--accent: #FFD25A;--accent-light: #FFE08A;--accent-dark: #E1B12C;--success: #2EC4B6;--success-light: #8FE9E0;--success-dark: #0F9F90;--accent-tint: color-mix(in srgb, var(--primary) 10%, white);--accent-tint-strong: color-mix(in srgb, var(--primary) 18%, white);--focus-ring: color-mix(in srgb, var(--primary) 45%, transparent);--accent-grad: linear-gradient(135deg, var(--primary), var(--primary-light));--bg-gradient: radial-gradient(circle at 10% 20%, rgba(223, 230, 255, 1) 0%, rgba(247, 230, 255, 1) 90.1%);--text-dark: #1F1B3A;--text-light: #FFFFFF;--text-muted: #7E7C9C;--surface-card: #FFFFFF;--surface-soft: #F4F2FF;--border-width: 1.5px;--border-color: #e7e3f5;--border-radius-sm: 16px;--border-radius-md: 24px;--border-radius-lg: 32px;--shadow-3d-sm: 0 4px 12px -4px rgba(31, 33, 56, .14), 0 1px 3px rgba(31, 33, 56, .08);--shadow-3d-md: 0 8px 22px -8px rgba(31, 33, 56, .16), 0 2px 6px rgba(31, 33, 56, .09);--shadow-3d-lg: 0 14px 32px -10px rgba(31, 33, 56, .2), 0 4px 10px rgba(31, 33, 56, .1);--shadow-inset: inset 0 1px 0 rgba(255, 255, 255, .5);--shadow-inset-light: inset 0 1px 0 rgba(255, 255, 255, .35);--c-bg: #F6F7FB;--c-card: #FFFFFF;--c-ink: #1F2138;--c-mut: #8A8FA8;--c-primary: #7c3aed;--c-primary-soft: var(--accent-tint-strong);--c-pink: #FF6EC7;--c-gold: #FFC53D;--c-green: #22C55E;--c-blue: #3B9EF0;--c-orange: #FF9F43;--c-line: var(--border-color);--c-ok-ink: #15803D;--c-ok-bg: #F0FBF4;--c-ok-line: #C6EFD4;--c-warn-ink: #B45309;--c-err-ink: #C0392B;--c-r: 20px;--c-r-sm: 14px;--c-shadow: var(--shadow-3d-sm);--c-shadow-lg: var(--shadow-3d-lg);--font-round: "Nunito", "Manrope", system-ui, sans-serif}@keyframes bounce{0%{transform:translateY(0)}to{transform:translateY(-8px)}}@keyframes pulse{0%{transform:scale(1)}to{transform:scale(1.08)}}@keyframes shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-8px) rotate(-1.5deg)}40%,80%{transform:translate(8px) rotate(1.5deg)}}@keyframes popIn{0%{transform:scale(.85);opacity:0}to{transform:scale(1);opacity:1}}@keyframes float{0%{transform:translateY(0) rotate(0)}50%{transform:translateY(-10px) rotate(1deg)}to{transform:translateY(0) rotate(0)}}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent;font-family:Manrope,system-ui,-apple-system,sans-serif;-webkit-user-select:none;user-select:none}body{background:var(--bg-gradient);min-height:100vh;min-height:-webkit-fill-available;min-height:100dvh;display:flex;justify-content:center;align-items:center;overflow:hidden}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#0000000d;border-radius:var(--border-radius-sm)}::-webkit-scrollbar-thumb{background:var(--primary-light);border:2px solid var(--surface-card);border-radius:var(--border-radius-sm)}#root{width:100%;height:100%;display:flex;justify-content:center;align-items:center;padding:20px}.app-container{width:100%;max-width:440px;height:840px;background:var(--surface-card);border-radius:var(--border-radius-lg);border:var(--border-width) solid var(--border-color);box-shadow:0 24px 48px -16px #1f1b3a4d,0 8px 20px #1f1b3a24;position:relative;overflow:hidden;display:flex;flex-direction:column;animation:popIn .4s cubic-bezier(.34,1.56,.64,1)}@media (max-width: 480px){#root{padding:0}.app-container{max-width:100%;height:100vh;height:100dvh;min-height:100vh;min-height:100dvh;border-radius:0;border:none;box-shadow:none}}.btn-clay{background:var(--primary);color:var(--text-light);border:var(--border-width) solid var(--border-color);border-radius:var(--border-radius-sm);padding:14px 24px;font-family:Unbounded,sans-serif;font-weight:700;font-size:14px;cursor:pointer;box-shadow:var(--shadow-3d-sm),var(--shadow-inset),var(--shadow-inset-light);transition:transform .08s ease,box-shadow .08s ease,background-color .2s;outline:none;display:flex;align-items:center;justify-content:center;gap:8px;position:relative}.btn-clay:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:var(--shadow-3d-md),var(--shadow-inset),var(--shadow-inset-light)}.btn-clay:active{transform:translateY(2px);box-shadow:0 1px 3px #1f21381f,var(--shadow-inset),var(--shadow-inset-light)}.btn-clay.secondary{background:var(--secondary)}.btn-clay.secondary:hover{background:var(--secondary-light)}.btn-clay.accent{background:var(--accent);color:var(--text-dark)}.btn-clay.accent:hover{background:var(--accent-light)}.btn-clay.success{background:var(--success)}.btn-clay.success:hover{background:var(--success-light)}.btn-clay.disabled,.btn-clay:disabled{background:#bdc3c7!important;color:#7f8c8d!important;cursor:not-allowed!important;transform:none!important;box-shadow:0 2px 6px #1f21381a!important}.card-clay{background:var(--surface-card);border:var(--border-width) solid var(--border-color);border-radius:var(--border-radius-md);padding:20px;box-shadow:var(--shadow-3d-md);position:relative;transition:transform .2s,box-shadow .2s}.card-clay:hover{transform:translateY(-2px);box-shadow:var(--shadow-3d-lg)}.input-clay{width:100%;padding:14px 18px;font-size:15px;font-weight:600;color:var(--text-dark);background:var(--surface-soft);border:var(--border-width) solid var(--border-color);border-radius:var(--border-radius-sm);outline:none;transition:border-color .2s,background-color .2s,box-shadow .2s;box-shadow:inset 0 1px 2px #1f21380f}.input-clay:focus{background:#fff;border-color:var(--primary);box-shadow:inset 0 1px 2px #1f21380f,0 0 0 3px var(--focus-ring)}.font-display{font-family:Unbounded,sans-serif;font-weight:800}.g-screen{flex:1;display:flex;flex-direction:column;background:var(--c-bg);color:var(--c-ink);font-family:var(--font-round);overflow:hidden}.g-scroll{flex:1;overflow-y:auto;padding:18px 18px 24px}.g-topbar{display:flex;align-items:center;gap:12px;padding:14px 16px 6px}.g-iconbtn{width:40px;height:40px;flex-shrink:0;border-radius:12px;border:1px solid var(--c-line);background:var(--c-card);color:var(--c-mut);font-size:18px;font-weight:800;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .15s,color .15s}.g-iconbtn:hover{background:var(--accent-tint);color:var(--c-primary)}.g-progress{flex:1;height:10px;background:var(--c-line);border-radius:999px;overflow:hidden}.g-progress>span{display:block;height:100%;background:var(--c-primary);border-radius:999px;transition:width .35s cubic-bezier(.34,1.56,.64,1)}.g-count{font-size:13px;font-weight:800;color:var(--c-mut);min-width:34px;text-align:right}.g-diffbadge{font-size:11px;font-weight:800;color:var(--c-primary);background:var(--c-primary-soft);padding:4px 10px;border-radius:999px}.g-card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--c-r);box-shadow:var(--c-shadow);padding:22px 18px;text-align:center}.g-card.shake{animation:shake .45s}.g-question{font-size:15px;font-weight:700;color:var(--c-mut);margin-bottom:10px}.g-choices{display:grid;gap:12px;margin-top:18px;grid-template-columns:repeat(var(--g-cols, 2),minmax(0,1fr))}.g-choice{min-width:0;border:1.5px solid var(--c-line);background:var(--c-card);color:var(--c-ink);border-radius:var(--c-r-sm);padding:18px 10px;font-family:var(--font-round);font-size:22px;font-weight:800;line-height:1.15;overflow-wrap:anywhere;cursor:pointer;box-shadow:var(--c-shadow);transition:transform .1s,border-color .15s,background .15s}.g-choices--long .g-choice{font-size:clamp(14px,4vw,18px);padding:14px 8px}@media (max-width: 480px){.g-choices--long{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (hover: hover) and (pointer: fine){.g-choice:hover:not(:disabled){transform:translateY(-2px);border-color:var(--c-primary)}}.g-choice:active:not(:disabled){transform:translateY(0)}.g-choice:focus{outline:none}.g-choice:focus-visible{outline:none;box-shadow:var(--c-shadow),0 0 0 4px var(--focus-ring)}.g-choice:disabled{cursor:default}.g-choice.correct{background:var(--c-green);border-color:var(--c-green);color:#fff}.g-choice.wrong{background:#ffe2e2;border-color:var(--secondary);color:#c0392b}.g-choice.reveal{background:var(--c-card);border:2px dashed var(--c-green);color:#15803d;box-shadow:none}.g-choice-tag{display:block;margin-top:6px;font-size:10px;font-weight:900;line-height:1.15;letter-spacing:.04em;text-transform:uppercase;color:#15803d}.g-btn{width:100%;border:none;border-radius:var(--c-r-sm);padding:16px;font-family:var(--font-round);font-size:16px;font-weight:900;cursor:pointer;transition:transform .1s,filter .15s}.g-btn:active{transform:translateY(2px)}.g-btn.primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px -8px #7c3aed73,0 2px 6px #7c3aed40}.g-btn.primary:hover{filter:brightness(1.05)}.g-btn.primary:active{box-shadow:0 2px 8px #7c3aed4d}.g-btn.soft{background:var(--c-primary-soft);color:var(--c-primary)}.g-btn.soft:hover{background:var(--accent-tint-strong)}.g-btn.ghost{background:var(--c-card);color:var(--c-mut);border:1px solid var(--c-line);box-shadow:var(--c-shadow)}.g-title{font-family:var(--font-round);font-weight:900;letter-spacing:-.3px}@keyframes cardFlip{0%{transform:rotateY(0)}to{transform:rotateY(180deg)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes starPop{0%{transform:scale(0) rotate(-30deg);opacity:0}70%{transform:scale(1.25) rotate(8deg)}to{transform:scale(1) rotate(0);opacity:1}}.web-shell{position:fixed;top:0;left:0;right:0;height:100vh;height:100dvh;background:var(--c-bg);color:var(--c-ink);font-family:var(--font-round);overflow:hidden;display:flex;flex-direction:column;z-index:1;padding-top:env(safe-area-inset-top,0px);padding-left:env(safe-area-inset-left,0px);padding-right:env(safe-area-inset-right,0px)}.hub{display:flex;width:100%;height:100%;background:var(--c-bg)}.hub-side{width:232px;flex-shrink:0;background:var(--c-card);border-right:1px solid var(--c-line);padding:22px 16px;display:flex;flex-direction:column;gap:6px}.hub-logo{display:flex;align-items:center;gap:10px;margin-bottom:20px;padding:0 6px}.hub-logo .mark{width:40px;height:40px;border-radius:12px;background:var(--accent-grad);display:flex;align-items:center;justify-content:center;font-size:21px;box-shadow:0 4px 10px #7c3aed59}.hub-logo b{font-size:20px;font-weight:900;letter-spacing:-.5px}.hub-nav{display:flex;flex-direction:column;gap:4px}.hub-nav button{display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:13px;color:var(--c-mut);font-weight:800;font-size:14.5px;background:none;border:none;cursor:pointer;text-align:left;font-family:var(--font-round)}.hub-nav button .i{font-size:18px;width:22px;text-align:center}.hub-nav button.active{background:var(--c-primary-soft);color:var(--c-primary)}.hub-nav button:hover:not(.active){background:var(--accent-tint);color:var(--c-primary)}.hub-spacer{flex:1}.hub-parent{display:flex;align-items:center;gap:10px;padding:12px 13px;border-radius:13px;background:#f3f4fa;color:var(--c-mut);font-weight:800;font-size:13.5px;cursor:pointer;border:none;font-family:var(--font-round)}.hub-main{flex:1;overflow-y:auto;padding:28px 32px}.hub-wrap{max-width:1080px;margin:0 auto;width:100%}.hub-top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:22px;flex-wrap:wrap}.hub-top h1{font-size:26px;font-weight:900;letter-spacing:-.5px}.hub-top .sub{color:var(--c-mut);font-weight:600;margin-top:2px}.hub-topright{display:flex;align-items:center;gap:12px}.pill{display:flex;align-items:center;gap:7px;background:var(--c-card);border:1px solid var(--c-line);padding:9px 14px;border-radius:999px;font-weight:800;box-shadow:var(--c-shadow);white-space:nowrap}.pill.gold{color:#b07a00}.pill.fire{color:#e8590c}.hub-avatar{width:46px;height:46px;border-radius:50%;background:#fff1d6;border:2px solid var(--c-line);overflow:hidden;flex-shrink:0;display:flex;align-items:center;justify-content:center}.hub-avatar img{width:100%;height:100%;object-fit:contain}.hub-cols{display:grid;grid-template-columns:1fr 324px;gap:22px;align-items:start}.hero{background:linear-gradient(120deg,#7c3aed,#8b5cf6 60%,#a78bfa);border-radius:24px;padding:26px 28px;color:#fff;display:flex;align-items:center;gap:18px;position:relative;overflow:hidden;box-shadow:0 14px 30px #7c3aed4d;margin-bottom:26px}.hero .glow{position:absolute;right:-40px;top:-50px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 70%)}.hero .txt{flex:1;z-index:1}.hero .tag{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:1px;opacity:.85}.hero h2{font-size:23px;font-weight:900;margin:6px 0 4px}.hero p{opacity:.9;font-weight:600;font-size:14px;margin-bottom:16px}.hero .btn{background:#fff;color:var(--c-primary);border:none;padding:12px 22px;border-radius:14px;font-weight:900;font-size:15px;cursor:pointer;box-shadow:0 6px 16px -6px #1f1b3a59,0 2px 6px #1f1b3a2e;font-family:var(--font-round);transition:transform .1s,box-shadow .1s}.hero .btn:active{transform:translateY(2px);box-shadow:0 2px 6px #1f1b3a33}.hero .heroimg{width:132px;height:132px;flex-shrink:0;z-index:1;filter:drop-shadow(0 12px 16px rgba(0,0,0,.25))}.hero .heroimg img{width:100%;height:100%;object-fit:contain}.section-h{display:flex;align-items:center;gap:9px;margin:24px 2px 14px}.section-h .emo{font-size:19px}.section-h h3{font-size:18px;font-weight:900}.hub-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}.subj-card{background:var(--c-card);border:1px solid var(--c-line);border-radius:20px;padding:18px;cursor:pointer;box-shadow:var(--c-shadow);transition:transform .12s}.subj-card:hover{transform:translateY(-3px)}.subj-card .row{display:flex;align-items:center;gap:13px}.subj-card .ico{width:54px;height:54px;flex-shrink:0;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:28px;overflow:hidden}.subj-card .ico img{width:100%;height:100%;object-fit:cover}.subj-card h4{font-size:15.5px;font-weight:900}.subj-card .desc{color:var(--c-mut);font-weight:600;font-size:12.5px;margin-top:2px;line-height:1.3}.bar{height:8px;background:var(--c-line);border-radius:99px;margin-top:14px;overflow:hidden}.bar>span{display:block;height:100%;border-radius:99px}.prog{display:flex;justify-content:space-between;font-size:12px;font-weight:800;color:var(--c-mut);margin-top:8px}.rcol{display:flex;flex-direction:column;gap:18px}.panel{background:var(--c-card);border:1px solid var(--c-line);border-radius:20px;padding:20px;box-shadow:var(--c-shadow)}.panel h3{font-size:16px;font-weight:900;margin-bottom:14px}.goal{display:flex;align-items:center;gap:14px}.ring{width:72px;height:72px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center}.ring b{background:var(--c-card);width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:15px}.goal .gt b{font-size:15px;font-weight:900;display:block}.goal .gt p{color:var(--c-mut);font-weight:600;font-size:13px;margin-top:2px}.week{display:flex;gap:6px;justify-content:space-between}.week .day{flex:1;text-align:center}.week .day .d{width:30px;height:30px;border-radius:9px;margin:0 auto 5px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;background:var(--c-line);color:var(--c-mut)}.week .day.on .d{background:var(--c-green);color:#fff}.week .day.today .d{outline:2px solid var(--c-primary);outline-offset:1px}.week .day small{color:var(--c-mut);font-weight:700;font-size:11px}.badges{display:grid;grid-template-columns:repeat(auto-fill,minmax(76px,1fr));gap:12px}.badge{aspect-ratio:1;border-radius:16px;background:#fff7e6;border:1px solid #FCEFC7;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;font-size:30px}.badge small{font-size:10px;font-weight:800;color:var(--c-mut)}.badge.lock{background:#f3f4fa;border-color:var(--c-line);filter:grayscale(1);opacity:.55}.hub-mobtop{display:none}@media (max-width: 900px){.hub-cols{grid-template-columns:1fr}}@media (max-width: 820px){.hub-side{display:none}.hub-main{padding:16px 14px}.hub-mobtop{display:flex}.hub-topright{display:none}.hub-top h1{font-size:22px}.hero .heroimg{width:96px;height:96px}}.play-col{width:100%;max-width:620px;margin:0 auto;display:flex;flex-direction:column;flex:1;min-height:0}.pd-shell{flex:1;min-height:0;display:flex;flex-direction:column;position:relative;background:var(--bg-gradient)}.pd-scroll{flex:1;overflow-y:auto}.pd-wrap{max-width:1100px;margin:0 auto;width:100%;padding:28px 32px 48px}.pd-topbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:24px;flex-wrap:wrap}.pd-topbar-left{display:flex;align-items:center;gap:12px;min-width:0}.pd-back{background:var(--surface-card);border:var(--border-width) solid var(--border-color);border-radius:var(--border-radius-sm);width:40px;height:40px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer;color:var(--text-dark);box-shadow:var(--shadow-3d-sm);transition:transform .1s}.pd-back:hover{transform:translateY(-2px)}.pd-account{display:flex;align-items:center;gap:8px;min-width:0;max-width:280px;background:var(--surface-card);border:var(--border-width) solid var(--border-color);border-radius:var(--border-radius-sm);padding:8px 14px;font-size:12px;font-weight:700;color:var(--text-dark);box-shadow:var(--shadow-3d-sm)}.pd-account-email{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pd-profiles{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}.pd-profile-tab{display:flex;align-items:center;gap:8px;max-width:220px;overflow:hidden;padding:10px 16px;border-radius:var(--border-radius-sm);border:var(--border-width) solid var(--border-color);background:var(--surface-card);color:var(--text-dark);font-weight:800;font-size:13px;cursor:pointer;transition:transform .1s,background-color .15s,color .15s}.pd-profile-tab span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.pd-profile-tab:hover{transform:translateY(-2px)}.pd-profile-tab.active{background:var(--primary);color:var(--text-light)}.pd-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:24px;align-items:start;min-width:0}.pd-col{min-width:0;display:flex;flex-direction:column;gap:14px}.pd-section{margin-top:32px;min-width:0}.pd-section-title{font-size:11px;color:var(--text-dark);margin-bottom:12px}.pd-students-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}@media (max-width: 900px){.pd-grid{grid-template-columns:1fr}}@media (max-width: 640px){.pd-wrap{padding:18px 16px 32px}.pd-account{max-width:160px}}