@import"https://fonts.googleapis.com/css2?family=Baloo+Bhaijaan+2:wght@400;500;600;700;800&family=Tajawal:wght@300;400;500;700;800&display=swap";:root{--primary: #2563EB;--primary-dark: #1D4ED8;--on-primary: #FFFFFF;--secondary: #F59E0B;--accent: #EC4899;--bg: #EFF6FF;--bg-soft: #F8FBFF;--surface: #FFFFFF;--muted: #F1F5FD;--fg: #0F172A;--fg-muted: #5B6784;--border: #E4ECFC;--border-strong: #CBD9F2;--success: #059669;--success-bg: #ECFDF5;--danger: #DC2626;--danger-bg: #FEF2F2;--warning: #B45309;--warning-bg: #FFFBEB;--r-sm: 14px;--r-md: 22px;--r-lg: 32px;--r-pill: 999px;--clay: 0 12px 26px -12px rgba(37, 99, 235, .28), 0 3px 8px rgba(15, 23, 42, .05), inset 0 -4px 8px rgba(37, 99, 235, .05), inset 0 4px 8px rgba(255, 255, 255, .95);--clay-hover: 0 20px 38px -14px rgba(37, 99, 235, .34), 0 6px 14px rgba(15, 23, 42, .07);--clay-inset: inset 0 3px 8px rgba(37, 99, 235, .09), inset 0 -3px 6px rgba(255, 255, 255, .9);--icon-sm: 16px;--icon-md: 20px;--icon-lg: 26px;--font-head: "Baloo Bhaijaan 2", "Tajawal", system-ui, sans-serif;--font-body: "Tajawal", "Baloo Bhaijaan 2", system-ui, sans-serif}*,*:before,*:after{box-sizing:border-box}*{margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-body);background:var(--bg);color:var(--fg);line-height:1.7;min-height:100dvh;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3,h4,strong{font-family:var(--font-head);line-height:1.35}h1{font-size:clamp(1.7rem,4vw,2.6rem);font-weight:800;letter-spacing:-.01em}h2{font-size:clamp(1.25rem,2.6vw,1.7rem);font-weight:700}h3{font-size:1.05rem;font-weight:700}p{color:var(--fg-muted)}button{font-family:inherit}a{color:var(--primary)}.app{position:relative;overflow-x:hidden}.glow{position:fixed;inset:-30% -20% auto -20%;height:60vh;pointer-events:none;z-index:0;background:radial-gradient(ellipse at 50% 0%,rgba(37,99,235,.16),transparent 62%),radial-gradient(ellipse at 85% 10%,rgba(236,72,153,.12),transparent 55%)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;padding:.7rem 1.4rem;border:none;border-radius:var(--r-pill);font-family:var(--font-head);font-size:.95rem;font-weight:600;cursor:pointer;text-decoration:none;white-space:nowrap;transition:transform .18s cubic-bezier(.16,1,.3,1),box-shadow .18s ease,background .18s ease}.btn:active:not(:disabled){transform:scale(.96)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn:focus-visible{outline:3px solid rgba(37,99,235,.4);outline-offset:2px}.btn-primary{background:linear-gradient(135deg,#3b82f6,#2563eb 55%,#7c3aed);color:var(--on-primary);box-shadow:var(--clay)}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--clay-hover)}.btn-ghost{background:var(--surface);color:var(--fg);box-shadow:var(--clay)}.btn-ghost:hover:not(:disabled){transform:translateY(-2px);color:var(--primary)}.btn-mini{padding:.45rem .9rem;font-size:.8rem}.btn-mini.ghost,.btn-mini.solid{box-shadow:var(--clay)}.card{background:var(--surface);border-radius:var(--r-lg);padding:1.6rem;box-shadow:var(--clay);border:1px solid var(--border)}.badge{display:inline-flex;align-items:center;gap:.3rem;font-size:.72rem;font-weight:700;font-family:var(--font-head);padding:.25rem .65rem;border-radius:var(--r-pill);background:var(--muted);color:var(--fg-muted)}.badge.green{background:var(--success-bg);color:var(--success)}.badge.amber{background:var(--warning-bg);color:var(--warning)}.badge.red{background:var(--danger-bg);color:var(--danger)}.chip{display:inline-flex;align-items:center;gap:.35rem;padding:.5rem 1.05rem;border:1.5px solid var(--border);background:var(--surface);color:var(--fg-muted);border-radius:var(--r-pill);font-size:.85rem;font-weight:600;font-family:var(--font-head);cursor:pointer;transition:all .16s ease;min-height:40px}.chip:hover{border-color:var(--cc, var(--primary));color:var(--cc, var(--primary));transform:translateY(-1px)}.chip.active{background:var(--cc, var(--primary));border-color:var(--cc, var(--primary));color:#fff;box-shadow:var(--clay)}.chip.sm{padding:.32rem .75rem;font-size:.75rem;min-height:32px}.chips-row{display:flex;gap:.55rem;overflow-x:auto;padding:.25rem 0 .9rem;scrollbar-width:thin}.chips-row.wrap{flex-wrap:wrap;overflow:visible}input,select,textarea{width:100%;padding:.7rem 1rem;background:var(--muted);border:1.5px solid var(--border);border-radius:var(--r-sm);color:var(--fg);font-family:var(--font-body);font-size:.95rem;outline:none;transition:border-color .18s,box-shadow .18s,background .18s}input:focus,select:focus,textarea:focus{background:var(--surface);border-color:var(--primary);box-shadow:0 0 0 4px #2563eb21}input.error,textarea.error{border-color:var(--danger);background:var(--danger-bg)}textarea{resize:vertical}label{display:block}.navbar{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:1rem;padding:.7rem 1.6rem;background:#eff6ffd1;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}.nav-logo{display:flex;align-items:center;gap:.65rem;background:none;border:none;cursor:pointer;padding:0;text-align:start}.logo-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#60a5fa,#2563eb 60%,#7c3aed);color:#fff;box-shadow:var(--clay);flex:none}.logo-text{display:flex;flex-direction:column;font-family:var(--font-head);font-weight:700;font-size:1rem;color:var(--fg);line-height:1.2}.logo-text small{font-size:.7rem;font-weight:500;color:var(--fg-muted);font-family:var(--font-body)}.nav-links{display:flex;gap:.25rem;margin-inline-start:auto;flex-wrap:wrap}.nav-link{display:inline-flex;align-items:center;gap:.4rem;background:none;border:none;cursor:pointer;padding:.5rem .85rem;border-radius:var(--r-pill);font-family:var(--font-head);font-size:.85rem;font-weight:600;color:var(--fg-muted);transition:all .16s ease}.nav-link:hover{background:var(--surface);color:var(--primary)}.nav-link.active{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;box-shadow:var(--clay)}.nav-toggle{display:none;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:.45rem;cursor:pointer;color:var(--fg);box-shadow:var(--clay)}.nav-drawer{position:absolute;inset-inline:1rem;top:calc(100% + .5rem);background:var(--surface);border-radius:var(--r-md);padding:.6rem;box-shadow:var(--clay-hover);display:grid;gap:.2rem;border:1px solid var(--border)}.nav-drawer .nav-link{justify-content:flex-start;width:100%;padding:.7rem .9rem}.hero{position:relative;z-index:1;text-align:center;padding:clamp(2.5rem,6vw,4.5rem) 1.4rem 2rem;max-width:1000px;margin:0 auto}.hero-badge{display:inline-flex;align-items:center;gap:.4rem;background:var(--surface);color:var(--primary);box-shadow:var(--clay);font-family:var(--font-head);font-size:.78rem;font-weight:700;padding:.4rem 1rem;border-radius:var(--r-pill);margin-bottom:1.1rem}.hero h1{margin-bottom:.9rem}.hero>p{max-width:62ch;margin:0 auto 1.8rem;font-size:1.05rem}.hero-cta{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap;margin-bottom:2.4rem}.hero-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:.8rem}.hero-stats>div{background:var(--surface);border-radius:var(--r-md);padding:.9rem .6rem;box-shadow:var(--clay);display:flex;flex-direction:column;gap:.15rem}.hero-stats strong{font-size:1.5rem;color:var(--primary);font-family:var(--font-head)}.hero-stats span{font-size:.76rem;color:var(--fg-muted)}.section{position:relative;z-index:1;max-width:1140px;margin:0 auto;padding:2.2rem 1.4rem}.page{padding-top:1.6rem}.section-head{margin-bottom:1.3rem}.section-head p,.page-head p{max-width:72ch}.page-head{margin-bottom:1.4rem}.page-head h1{display:flex;align-items:center;gap:.6rem;margin-bottom:.45rem}.page-head h1 svg{color:var(--primary);flex:none}.sub-title{display:flex;align-items:center;gap:.5rem;margin:2rem 0 .9rem}.sub-title svg{color:var(--primary)}.grade-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:1rem}.grade-card{position:relative;overflow:hidden;cursor:pointer;text-align:center;background:var(--surface);border:2px solid var(--border);border-radius:var(--r-lg);padding:1.4rem 1rem;box-shadow:var(--clay);display:flex;flex-direction:column;gap:.2rem;align-items:center;transition:transform .18s cubic-bezier(.16,1,.3,1),box-shadow .18s ease,border-color .18s}.grade-card:after{content:"";position:absolute;inset-inline:0;bottom:0;height:6px;background:var(--gc);opacity:.25;transition:opacity .2s}.grade-card:hover{transform:translateY(-4px);box-shadow:var(--clay-hover);border-color:var(--gc)}.grade-card.active{border-color:var(--gc)}.grade-card.active:after{opacity:1}.grade-num{display:grid;place-items:center;width:52px;height:52px;border-radius:18px;background:var(--gc);color:#fff;font-family:var(--font-head);font-weight:800;font-size:1.5rem;box-shadow:0 8px 18px -8px var(--gc)}.grade-name{font-family:var(--font-head);font-weight:700;font-size:1.05rem;color:var(--fg)}.grade-meta{font-size:.76rem;color:var(--fg-muted)}.subject-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:1rem}.subject-card{background:var(--surface);border:2px solid var(--border);border-radius:var(--r-lg);padding:1.15rem;box-shadow:var(--clay);text-align:start;display:flex;flex-direction:column;gap:.6rem;transition:transform .18s cubic-bezier(.16,1,.3,1),box-shadow .18s ease,border-color .18s}.subject-card.as-button{cursor:pointer}.subject-card:hover,.subject-card.active{transform:translateY(-4px);box-shadow:var(--clay-hover);border-color:var(--sc)}.subject-card.active{background:linear-gradient(180deg,var(--st),#fff 42%)}.subject-top{display:flex;align-items:center;justify-content:space-between;gap:.5rem}.subject-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:16px;flex:none}.subject-icon.sm{width:34px;height:34px;border-radius:12px}.subject-card h3{color:var(--fg)}.subject-units{font-size:.82rem;min-height:2.6em;color:var(--fg-muted)}.subject-actions{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:auto}.subject-actions .btn{background:var(--surface);color:var(--fg-muted);box-shadow:var(--clay)}.subject-actions .btn:hover{color:var(--sc);transform:translateY(-2px)}.subject-actions .btn.solid{background:var(--sc);color:#fff}.toolbar{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:1.2rem}.search-field{flex:1 1 260px;display:flex;align-items:center;gap:.6rem;background:var(--surface);border:1.5px solid var(--border);border-radius:var(--r-pill);padding:.15rem 1rem;box-shadow:var(--clay);color:var(--fg-muted)}.search-field input{border:none;background:none;box-shadow:none;padding-inline:0}.search-field input:focus{box-shadow:none;background:none}.toolbar-meta,.type-filter{display:flex;align-items:center;gap:.45rem;flex-wrap:wrap}.results-bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:1rem;color:var(--fg-muted);font-size:.88rem}.center-row{display:flex;justify-content:center;margin-top:1.2rem}.empty{grid-column:1 / -1;text-align:center;padding:2.5rem 1rem;color:var(--fg-muted);background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--clay);display:flex;flex-direction:column;align-items:center;gap:.8rem}.empty svg{color:var(--border-strong)}.accordion{display:grid;gap:.7rem}.acc-item{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--r-md);box-shadow:var(--clay);overflow:hidden;transition:border-color .2s,box-shadow .2s}.acc-item.open{border-color:var(--sc, var(--primary));box-shadow:var(--clay-hover)}.acc-head{width:100%;display:flex;align-items:center;gap:.9rem;text-align:start;background:none;border:none;cursor:pointer;padding:1.05rem 1.2rem;color:var(--fg)}.acc-index{font-family:var(--font-head);font-weight:800;font-size:.95rem;color:var(--sc, var(--primary));background:var(--muted);width:40px;height:40px;border-radius:13px;display:grid;place-items:center;flex:none}.acc-title{display:flex;flex-direction:column;flex:1}.acc-title strong{font-size:1.02rem}.acc-title small{font-size:.76rem;color:var(--fg-muted);font-family:var(--font-body)}.acc-chevron{color:var(--fg-muted);transition:transform .25s ease;flex:none}.acc-item.open .acc-chevron{transform:rotate(180deg);color:var(--sc, var(--primary))}.acc-body{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.2rem;padding:1.1rem 1.2rem 1.2rem;border-top:1.5px dashed var(--border);margin-top:.2rem;animation:fadeUp .35s ease}.acc-col h4{display:flex;align-items:center;gap:.45rem;font-size:.92rem;color:var(--fg);margin-bottom:.6rem}.acc-col h4 svg{color:var(--sc, var(--primary))}.lesson-list,.act-list{list-style:none;display:grid;gap:.45rem}.lesson-list li{background:var(--muted);border-radius:var(--r-sm);padding:.55rem .85rem;font-size:.88rem;color:var(--fg);position:relative;padding-inline-start:1.9rem}.lesson-list li:before{content:"";position:absolute;inset-inline-start:.85rem;top:50%;transform:translateY(-50%);width:7px;height:7px;border-radius:50%;background:var(--sc, var(--primary))}.act-list li{display:flex;gap:.55rem;align-items:flex-start;font-size:.88rem;color:var(--fg)}.act-type{flex:none;font-family:var(--font-head);font-size:.68rem;font-weight:700;padding:.18rem .55rem;border-radius:var(--r-pill);background:var(--muted);color:var(--fg-muted)}.acc-foot{grid-column:1 / -1;display:flex;gap:.5rem;flex-wrap:wrap;padding-top:.4rem}.activity-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:.9rem}.activity-card{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--r-md);padding:1.05rem;box-shadow:var(--clay);display:flex;flex-direction:column;gap:.6rem;transition:transform .18s cubic-bezier(.16,1,.3,1),box-shadow .18s ease,border-color .18s}.activity-card:hover{transform:translateY(-4px);box-shadow:var(--clay-hover);border-color:var(--sc)}.activity-head{display:flex;align-items:center;gap:.6rem}.activity-head>div{display:flex;flex-direction:column;flex:1}.activity-head strong{font-size:.9rem;color:var(--sc)}.activity-head small{font-size:.74rem;color:var(--fg-muted)}.activity-text{font-size:.9rem;color:var(--fg);line-height:1.65}.activity-unit{font-size:.76rem;display:flex;align-items:center;gap:.3rem}.name-card{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;flex-wrap:wrap}.name-form{display:flex;gap:.6rem;flex:0 1 320px}.name-form input{background:var(--muted)}.start-card{display:flex;align-items:center;justify-content:space-between;gap:1.4rem;flex-wrap:wrap;margin-top:1.2rem}.inline-check{display:flex;align-items:center;gap:.5rem;margin-top:.7rem;font-size:.88rem;color:var(--fg-muted);cursor:pointer}.inline-check input{width:auto;accent-color:var(--primary)}.quiz-run{max-width:820px}.quiz-top{display:flex;align-items:center;justify-content:space-between;gap:.8rem;flex-wrap:wrap;margin-bottom:.9rem}.progress-track{height:12px;background:var(--muted);border-radius:var(--r-pill);overflow:hidden;box-shadow:var(--clay-inset);margin-bottom:1.3rem}.progress-fill{height:100%;border-radius:var(--r-pill);transition:width .4s cubic-bezier(.16,1,.3,1)}.quiz-card{background:var(--surface);border-radius:var(--r-lg);padding:1.6rem;box-shadow:var(--clay);border:1px solid var(--border);animation:fadeUp .35s ease}.quiz-q{font-size:clamp(1.1rem,2.4vw,1.45rem);margin-bottom:1.2rem}.options{display:grid;gap:.6rem}.option{display:flex;align-items:center;gap:.75rem;text-align:start;background:var(--muted);border:2px solid transparent;border-radius:var(--r-md);padding:.85rem 1.05rem;cursor:pointer;font-family:var(--font-body);font-size:.98rem;color:var(--fg);min-height:54px;transition:all .16s ease}.option:hover:not(:disabled){background:var(--surface);border-color:var(--border-strong);transform:translate(-4px);box-shadow:var(--clay)}.option:disabled{cursor:default}.option-letter{display:grid;place-items:center;width:32px;height:32px;flex:none;border-radius:11px;background:var(--surface);font-family:var(--font-head);font-weight:700;font-size:.9rem;color:var(--fg-muted);box-shadow:var(--clay)}.option-text{flex:1}.option.correct{background:var(--success-bg);border-color:var(--success);color:var(--success)}.option.correct .option-letter{background:var(--success);color:#fff}.option.wrong{background:var(--danger-bg);border-color:var(--danger);color:var(--danger)}.option.wrong .option-letter{background:var(--danger);color:#fff}.option.muted{opacity:.6}.option svg{flex:none}.feedback{margin-top:1.1rem;border-radius:var(--r-md);padding:.95rem 1.15rem;animation:fadeUp .3s ease}.feedback.ok{background:var(--success-bg);border:1.5px solid rgba(5,150,105,.3)}.feedback.no{background:var(--danger-bg);border:1.5px solid rgba(220,38,38,.25)}.feedback strong{display:block;font-size:.95rem;margin-bottom:.25rem}.feedback.ok strong{color:var(--success)}.feedback.no strong{color:var(--danger)}.feedback p{color:var(--fg);font-size:.9rem}.quiz-foot{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-top:1.3rem}.quiz-score{font-size:.85rem;color:var(--fg-muted);font-weight:600}.result-card{text-align:center;display:flex;flex-direction:column;align-items:center;gap:.5rem}.result-badge{display:grid;place-items:center;width:72px;height:72px;border-radius:24px;margin-bottom:.4rem;box-shadow:var(--clay)}.result-line{font-size:1rem;color:var(--fg-muted)}.result-line strong{color:var(--primary);font-size:1.15rem}.result-actions{display:flex;gap:.7rem;flex-wrap:wrap;justify-content:center;margin-top:1rem}.review-title{margin:2rem 0 .9rem}.review-list{display:grid;gap:.7rem}.review-item{background:var(--surface);border-radius:var(--r-md);padding:1rem 1.15rem;box-shadow:var(--clay);border-inline-start:6px solid var(--border-strong)}.review-item.ok{border-inline-start-color:var(--success)}.review-item.no{border-inline-start-color:var(--danger)}.review-head{display:flex;align-items:flex-start;gap:.6rem;margin-bottom:.5rem}.review-head strong{font-size:.95rem;font-family:var(--font-body);font-weight:700}.review-dot{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;flex:none;color:#fff}.review-dot.ok{background:var(--success)}.review-dot.no{background:var(--danger)}.review-answers{font-size:.88rem;margin-bottom:.3rem}.wrong-text{color:var(--danger)}.right-text{color:var(--success);font-weight:700}.review-explain{font-size:.86rem;background:var(--muted);border-radius:var(--r-sm);padding:.6rem .85rem;color:var(--fg-muted)}.chat-page{max-width:900px}.chat-shell{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--clay);border:1px solid var(--border);overflow:hidden;display:flex;flex-direction:column}.chat-head{display:flex;align-items:center;gap:.8rem;padding:.9rem 1.1rem;border-bottom:1.5px solid var(--border);background:linear-gradient(135deg,#eff6ff,#f8fbff)}.chat-avatar{display:grid;place-items:center;width:44px;height:44px;border-radius:15px;background:linear-gradient(135deg,#60a5fa,#2563eb);color:#fff;flex:none;box-shadow:var(--clay)}.chat-who{display:flex;flex-direction:column;flex:1}.chat-who strong{font-size:.98rem}.chat-who small{font-size:.75rem;color:var(--fg-muted)}.chat-body{padding:1.2rem;display:flex;flex-direction:column;gap:.9rem;max-height:54vh;min-height:320px;overflow-y:auto}.bubble{display:flex;gap:.6rem;align-items:flex-start;max-width:94%;animation:fadeUp .3s ease}.bubble.user{align-self:flex-start;flex-direction:row-reverse;margin-inline-start:auto}.bubble-avatar{display:grid;place-items:center;width:32px;height:32px;border-radius:11px;flex:none}.bubble.bot .bubble-avatar{background:linear-gradient(135deg,#93c5fd,#2563eb);color:#fff}.bubble.user .bubble-avatar{background:var(--muted);color:var(--fg-muted)}.bubble-inner{display:flex;flex-direction:column;gap:.65rem}.bubble p,.bubble-text{white-space:pre-wrap;font-size:.92rem;color:var(--fg);line-height:1.75}.bubble.bot .bubble-inner>.bubble-text,.bubble.bot>p{background:var(--muted);border-radius:4px 18px 18px;padding:.8rem 1.05rem}.bubble.user>p{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;border-radius:18px 4px 18px 18px;padding:.75rem 1.05rem}.bubble-results{display:grid;gap:.45rem}.mini-result{display:flex;gap:.55rem;align-items:flex-start;background:var(--surface);border:1.5px solid var(--border);border-radius:var(--r-sm);padding:.6rem .8rem}.mini-result>div{display:flex;flex-direction:column}.mini-result strong{font-size:.82rem;color:var(--sc, var(--primary))}.mini-result span{font-size:.86rem;color:var(--fg)}.mini-result em{font-size:.72rem;color:var(--fg-muted);font-style:normal}.mini-icon{display:grid;place-items:center;width:28px;height:28px;border-radius:10px;flex:none}.bubble-chips{display:flex;gap:.4rem;flex-wrap:wrap}.bubble.typing{background:var(--muted);border-radius:4px 18px 18px;padding:.85rem 1.1rem;gap:.35rem;width:fit-content}.bubble.typing span{width:8px;height:8px;border-radius:50%;background:var(--border-strong);animation:blink 1.2s infinite}.bubble.typing span:nth-child(2){animation-delay:.2s}.bubble.typing span:nth-child(3){animation-delay:.4s}.chat-chips{display:flex;gap:.4rem;flex-wrap:wrap;padding:.7rem 1.1rem;border-top:1.5px dashed var(--border);background:var(--bg-soft)}.chat-input{display:flex;gap:.6rem;padding:.85rem 1.1rem;border-top:1.5px solid var(--border);background:var(--surface)}.chat-input input{background:var(--muted)}.chat-input .btn{padding:.7rem 1.1rem}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.9rem}.stat-card{background:var(--surface);border-radius:var(--r-md);padding:1.1rem;box-shadow:var(--clay);display:flex;flex-direction:column;gap:.25rem;align-items:flex-start}.stat-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:13px;margin-bottom:.35rem}.stat-icon.blue{background:#eff6ff;color:#2563eb}.stat-icon.green{background:var(--success-bg);color:var(--success)}.stat-icon.amber{background:var(--warning-bg);color:var(--warning)}.stat-icon.pink{background:#fdf2f8;color:var(--accent)}.stat-card strong{font-size:1.5rem;font-family:var(--font-head)}.stat-card span:last-child{font-size:.78rem;color:var(--fg-muted)}.badge-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:.75rem}.medal{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--r-md);padding:.95rem;display:flex;flex-direction:column;gap:.2rem;box-shadow:var(--clay);opacity:.55;filter:grayscale(.7);transition:all .2s ease}.medal.earned{opacity:1;filter:none;border-color:var(--secondary)}.medal.earned .medal-icon{background:var(--warning-bg);color:var(--warning)}.medal-icon{display:grid;place-items:center;width:38px;height:38px;border-radius:13px;background:var(--muted);color:var(--fg-muted);margin-bottom:.3rem}.medal strong{font-size:.9rem}.medal small{font-size:.74rem;color:var(--fg-muted)}.table-wrap{overflow-x:auto;background:var(--surface);border-radius:var(--r-md);box-shadow:var(--clay);border:1px solid var(--border)}.data-table{width:100%;border-collapse:collapse;min-width:560px}.data-table th,.data-table td{padding:.8rem 1rem;text-align:start;font-size:.88rem}.data-table thead th{background:var(--muted);font-family:var(--font-head);font-size:.8rem;color:var(--fg-muted)}.data-table tbody tr+tr{border-top:1px solid var(--border)}.data-table tbody tr:hover{background:var(--bg-soft)}.cell-subject{display:inline-flex;align-items:center;gap:.4rem;font-weight:600}.pill{display:inline-block;padding:.2rem .6rem;border-radius:var(--r-pill);font-size:.76rem;font-weight:700;font-family:var(--font-head)}.pill.green{background:var(--success-bg);color:var(--success)}.pill.amber{background:var(--warning-bg);color:var(--warning)}.pill.red{background:var(--danger-bg);color:var(--danger)}.attempt-list{display:grid;gap:.5rem}.attempt-row{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;background:var(--surface);border-radius:var(--r-sm);padding:.7rem 1rem;box-shadow:var(--clay);font-size:.86rem}.attempt-date{color:var(--fg-muted);font-size:.78rem;min-width:110px}.attempt-subject{flex:1;font-weight:600;color:var(--fg)}.tabs{display:flex;gap:.3rem;background:var(--surface);border:1.5px solid var(--border);border-radius:var(--r-pill);padding:.3rem;box-shadow:var(--clay);margin-bottom:1.2rem;flex-wrap:wrap}.tab{flex:1 1 140px;padding:.55rem 1rem;border:none;background:none;cursor:pointer;border-radius:var(--r-pill);font-family:var(--font-head);font-size:.86rem;font-weight:600;color:var(--fg-muted);transition:all .18s ease}.tab:hover{color:var(--primary)}.tab.active{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;box-shadow:var(--clay)}.teacher-form{display:grid;gap:1rem}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem}.field{display:flex;flex-direction:column;gap:.4rem}.field>span{font-size:.82rem;font-weight:700;font-family:var(--font-head);color:var(--fg);display:flex;align-items:center;gap:.45rem}.field-error{color:var(--danger);font-size:.78rem;font-style:normal}.options-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:.8rem}.option-field>span{font-size:.78rem;color:var(--fg-muted);cursor:pointer}.option-field input[type=radio]{width:auto;accent-color:var(--primary)}.correct-tag{background:var(--success-bg);color:var(--success);font-size:.7rem;padding:.1rem .5rem;border-radius:var(--r-pill);font-style:normal;font-family:var(--font-head)}.form-foot{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.form-hint{font-size:.82rem;color:var(--fg-muted);display:inline-flex;align-items:center;gap:.35rem}.form-hint svg{color:var(--success)}.custom-list{display:grid;gap:.7rem}.custom-item{background:var(--surface);border-radius:var(--r-md);padding:1rem 1.15rem;box-shadow:var(--clay);border:1px solid var(--border)}.custom-head{display:flex;align-items:center;justify-content:space-between;gap:.6rem;margin-bottom:.5rem}.icon-btn{display:grid;place-items:center;width:34px;height:34px;border:none;border-radius:11px;background:var(--danger-bg);color:var(--danger);cursor:pointer;transition:transform .16s ease}.icon-btn:hover{transform:translateY(-2px) scale(1.05)}.custom-q{font-size:.95rem;font-weight:700;color:var(--fg);font-family:var(--font-body);margin-bottom:.5rem}.custom-options{list-style:none;display:grid;gap:.3rem;margin-bottom:.5rem}.custom-options li{font-size:.86rem;color:var(--fg-muted);display:flex;align-items:center;gap:.35rem}.custom-options li.correct{color:var(--success);font-weight:700}.custom-explain{font-size:.82rem;background:var(--muted);border-radius:var(--r-sm);padding:.5rem .8rem}.worksheet{padding:2rem}.ws-head{border-bottom:2.5px solid var(--primary);padding-bottom:1rem;margin-bottom:1.4rem}.ws-head h2{color:var(--primary)}.ws-head p{font-weight:600;color:var(--fg)}.ws-fields{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-top:.6rem;font-size:.86rem;color:var(--fg-muted)}.ws-questions{padding-inline-start:1.4rem;display:grid;gap:1.1rem}.ws-questions li{padding-inline-start:.3rem}.ws-q{font-size:.95rem;font-weight:700;color:var(--fg);font-family:var(--font-body);margin-bottom:.4rem}.ws-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.3rem;font-size:.86rem;color:var(--fg-muted)}.ws-foot{margin-top:1.6rem;padding-top:.8rem;border-top:1.5px dashed var(--border);text-align:center;font-size:.76rem;color:var(--fg-muted)}.footer{position:relative;z-index:1;max-width:1140px;margin:1.5rem auto 0;padding:2rem 1.4rem 3rem;text-align:center;border-top:1.5px solid var(--border)}.footer p{font-size:.85rem}.footer-note{max-width:76ch;margin:.6rem auto 0;font-size:.76rem;color:#8a93a8;line-height:1.8}.toast-wrap{position:fixed;bottom:1.4rem;inset-inline-start:1.4rem;z-index:80;display:flex;flex-direction:column;gap:.5rem}.toast{padding:.75rem 1.2rem;border-radius:var(--r-md);font-size:.88rem;font-weight:700;font-family:var(--font-head);box-shadow:var(--clay-hover);animation:fadeUp .3s ease;background:var(--surface)}.toast.success{background:var(--success-bg);color:var(--success);border:1.5px solid rgba(5,150,105,.3)}.toast.error{background:var(--danger-bg);color:var(--danger);border:1.5px solid rgba(220,38,38,.25)}@keyframes fadeUp{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}@keyframes blink{0%,60%,to{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}html{scroll-behavior:auto}}@media(max-width:1024px){.nav-links{display:none}.nav-toggle{display:grid;place-items:center;margin-inline-start:auto}}@media(max-width:768px){.section{padding:1.6rem 1rem}.navbar{padding:.6rem 1rem}.hero{padding:2rem 1rem 1.5rem}.hero-cta .btn{flex:1 1 100%}.grade-grid{grid-template-columns:repeat(2,1fr)}.subject-grid,.activity-grid,.badge-grid{grid-template-columns:1fr}.acc-body{grid-template-columns:1fr;padding-inline:1rem}.bubble{max-width:100%}.chat-body{max-height:60vh}.name-card{flex-direction:column;align-items:stretch}.name-form{flex:1 1 auto}.start-card{flex-direction:column;align-items:stretch}.start-card .btn{width:100%}.toast-wrap{inset-inline:1rem}}@media(max-width:480px){h1{font-size:1.5rem}.hero-stats,.stat-grid{grid-template-columns:repeat(2,1fr)}.logo-text small,.acc-title small{display:none}.quiz-card,.card{padding:1.15rem}.worksheet{padding:1.1rem}.chips-row{padding-bottom:.7rem}.bubble.user{margin-inline-start:0}}@media print{.navbar,.footer,.toast-wrap,.glow,.chat-chips,.chat-input,.hero-cta,.nav-toggle,.toolbar,.chips-row,.results-bar,.subject-actions,.acc-foot,.result-actions,.tabs,.btn,.page-head p{display:none!important}body{background:#fff}.section,.page{max-width:100%;padding:0}.card,.worksheet,.activity-card,.acc-item{box-shadow:none!important;border:1px solid #ccc}.activity-grid{grid-template-columns:repeat(2,1fr)}.ws-questions{page-break-inside:auto}}