:root{--bg:#f3faf5;--surface:#fff;--text:#1e293b;--muted:#64748b;--border:#e2e8f0;--primary:#16a34a;--primary-dark:#15803d;--ok:#15803d;--error:#dc2626;--fixed:#d97706;--radius:14px;--f-pinky:#e9d5ff;--f-ring:#bfdbfe;--f-middle:#bbf7d0;--f-index:#fde68a;--f-thumb:#e2e8f0}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.55}a{color:var(--primary)}.wrap{max-width:1040px;margin:0 auto;padding:0 16px}main.wrap{min-height:70vh;padding-top:24px;padding-bottom:48px}.sr-only{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.hidden{display:none!important}.site-header{background:linear-gradient(90deg,#15803d,#16a34a)}.site-header .brand,.site-header .nav a{color:#fff}.site-header .nav a:hover{color:#dcfce7}.header-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding-top:12px;padding-bottom:12px;display:flex}.brand{color:var(--text);letter-spacing:-.01em;align-items:center;gap:8px;font-size:1.3rem;font-weight:800;text-decoration:none;display:inline-flex}.brand-logo{filter:drop-shadow(0 2px 3px #00000040);width:36px;height:36px;transition:transform .2s}.brand:hover .brand-logo{transform:rotate(-8deg)scale(1.08)}.nav{flex-wrap:wrap;align-items:center;gap:12px;font-size:.95rem;display:flex}.nav a{color:var(--text);font-weight:600;text-decoration:none}.nav a:hover{color:var(--primary)}.layout-picker select{font:inherit;border:1px solid var(--border);background:var(--surface);border-radius:8px;padding:5px 6px;font-size:.88rem}.site-header .nav .lang-switch{border:1px solid #ffffffb3;border-radius:999px;padding:4px 12px;font-size:.9rem}.site-header .nav .lang-switch:hover{color:var(--primary-dark);background:#fff}.site-footer{border-top:1px solid var(--border);background:var(--surface);color:var(--muted);padding:16px 0;font-size:.9rem}.site-footer p{margin:4px 0}h1{margin:8px 0 12px;font-size:clamp(1.6rem,4vw,2.3rem);line-height:1.2}.lead{color:var(--muted);max-width:720px;font-size:1.1rem}.breadcrumb{color:var(--muted);margin:0;font-size:.95rem}.btn{cursor:pointer;background:var(--primary);color:#fff;font:inherit;border:0;border-radius:10px;padding:10px 18px;font-weight:700;text-decoration:none;display:inline-block}.btn:hover{background:var(--primary-dark)}.btn-secondary{background:var(--surface);color:var(--primary);border:2px solid var(--primary)}.btn-secondary:hover{background:#f0fdf4}.btn-big{padding:14px 24px;font-size:1.1rem}.hero{text-align:center;padding:32px 0 16px}.hero .lead{margin:0 auto 24px}.hero-actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.features{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;margin:32px 0;display:grid}.feature{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.feature h2{margin:8px 0 4px;font-size:1.1rem}.feature p{color:var(--muted);margin:0}.feature-icon{font-size:1.8rem}.seo-text{max-width:760px;margin-top:32px}.seo-text h2{font-size:1.3rem}.lesson-grid{grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px;padding:0;list-style:none;display:grid}.lesson-card{background:var(--surface);border:2px solid var(--border);border-radius:var(--radius);color:var(--text);flex-direction:column;height:100%;text-decoration:none;transition:transform .15s,box-shadow .15s;display:flex;overflow:hidden}.lesson-card:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:0 8px 20px #16a34a2e}.lesson-card:hover .art-emoji{transform:scale(1.12)rotate(-6deg)}.lesson-card.completed{border-color:#86efac}.lesson-body{grid-template-columns:auto 1fr;align-items:center;column-gap:12px;padding:12px 14px;display:grid}.lesson-body .lesson-stars{grid-column:2}.lesson-num{width:38px;height:38px;color:var(--primary);background:#dcfce7;border-radius:50%;grid-row:span 2;place-items:center;font-weight:800;display:grid}.lesson-art{color:#fff;justify-content:center;align-items:center;gap:14px;display:flex;position:relative;overflow:hidden}.lesson-art-card{height:110px}.lesson-art-hero{border-radius:var(--radius);flex-direction:column;flex-shrink:0;gap:6px;width:140px;height:110px;box-shadow:0 6px 16px #16a34a40}.art-emoji{filter:drop-shadow(0 4px 6px #00000040);z-index:1;font-size:3.4rem;line-height:1;transition:transform .2s}.lesson-art-hero .art-emoji{font-size:2.8rem;animation:2.4s ease-in-out infinite bob}.art-keys{z-index:1;flex-wrap:wrap;justify-content:center;gap:5px;max-width:120px;display:flex}.lesson-art-hero .art-keys{max-width:130px}.lesson-art-hero .art-key{min-width:24px;height:24px;font-size:.8rem}.art-key{color:#166534;background:#fff;border-radius:6px;place-items:center;min-width:30px;height:30px;padding:0 6px;font-size:.95rem;font-weight:800;display:grid;box-shadow:0 3px #00000040}.art-key-wide{font-size:.8rem}.art-bubble{background:#ffffff26;border-radius:50%;position:absolute}.art-bubble-1{width:120px;height:120px;top:-40px;right:-30px}.art-bubble-2{width:70px;height:70px;bottom:-25px;left:-15px}@keyframes bob{50%{transform:translateY(-6px)}}.lesson-head{align-items:center;gap:18px;margin-bottom:8px;display:flex}.lesson-head h1{margin:2px 0 4px;font-size:1.7rem}.lesson-head .lead{margin:0;font-size:.98rem}.lesson-art-hero .art-type{display:none}@media (width<=640px){.lesson-head{align-items:flex-start;gap:12px}.lesson-art-hero{width:84px;height:84px}.lesson-art-hero .art-emoji{font-size:2.2rem}.lesson-art-hero .art-keys{display:none}.lesson-head h1{font-size:1.35rem}}.lesson-title{font-weight:700}.lesson-card.recommended{border-color:var(--primary);box-shadow:0 0 0 4px #16a34a40}.lesson-card.recommended .lesson-num{background:var(--primary);color:#fff}.art-type{z-index:2;letter-spacing:.3px;background:#00000047;border-radius:999px;padding:2px 8px;font-size:.72rem;font-weight:700;position:absolute;top:8px;left:8px}.art-desafio .art-type{background:#f59e0b}.lesson-kicker{color:var(--primary);text-transform:uppercase;letter-spacing:.5px;margin:0;font-size:.9rem;font-weight:700}.course-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;margin:20px 0;display:grid}.course-card{background:var(--surface);border:2px solid var(--border);border-radius:var(--radius);color:var(--text);padding:24px;text-decoration:none;transition:transform .15s,box-shadow .15s;display:block}.course-card:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:0 8px 20px #16a34a2e}.course-card h2{margin:8px 0 4px}.course-emoji{font-size:3rem}.course-audience{color:var(--primary);margin:0;font-weight:700}.course-meta,.course-progress{color:var(--muted);font-size:.9rem}.course-continue{flex-wrap:wrap;align-items:center;gap:16px;margin:16px 0 8px;display:flex}.progress{background:#dcfce7;border-radius:999px;height:8px;margin:8px 0;overflow:hidden}.progress-bar{background:var(--primary);border-radius:999px;width:0;height:100%;transition:width .4s;display:block}.unit{margin-top:32px}.unit-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:12px;display:flex}.unit-head h2{margin:0;font-size:1.35rem}.unit-count{color:var(--muted);font-weight:700}.unit-goal{color:#166534;white-space:nowrap;background:#dcfce7;border-radius:999px;margin-left:auto;padding:3px 10px;font-size:.85rem;font-weight:700}.lesson-keys{color:var(--muted);font-family:ui-monospace,Consolas,monospace;font-size:.9rem}.lesson-stars{color:#f59e0b;letter-spacing:2px}.trainer{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin:12px 0;padding:12px 16px}.stats-bar{justify-content:center;gap:22px;margin-bottom:8px;display:flex}.stats-bar>div{align-items:baseline;gap:5px;display:flex}.stat-value{color:var(--primary);font-variant-numeric:tabular-nums;font-size:1.25rem;font-weight:800}.stat-label{color:var(--muted);font-size:.85rem}.text-box-wrap{position:relative}.text-box{letter-spacing:.02em;border:2px solid var(--border);white-space:pre-wrap;word-break:break-word;cursor:text;background:#f8fafc;border-radius:10px;max-height:7.5em;padding:6px 14px;font-family:ui-monospace,Consolas,Courier New,monospace;font-size:clamp(1.1rem,2.6vw,1.45rem);line-height:1.8;position:relative;overflow:hidden}.text-box span{color:#94a3b8;border-radius:4px}.text-box .ch-ok{color:var(--ok)}.text-box .ch-fixed{color:var(--fixed)}.text-box .ch-error{color:var(--error);background:#fee2e2}.text-box .ch-error.ch-space{background:#fca5a5}.text-box .ch-current{position:relative}.text-box .ch-current:before{content:"";background:var(--primary);border-radius:2px;width:2px;animation:1s step-end infinite caret-blink;position:absolute;top:.3em;bottom:.3em;left:-1px}.text-box.typing .ch-current:before{animation:none}@keyframes caret-blink{50%{opacity:0}}.shake{animation:.18s shake}@keyframes shake{25%{transform:translate(-3px)}75%{transform:translate(3px)}}.focus-overlay{cursor:pointer;font:inherit;color:var(--primary);background:#ffffffd9;border:0;border-radius:10px;font-size:1.05rem;font-weight:700;position:absolute;inset:0}.hidden-input{opacity:0;border:0;width:1px;height:1px;padding:0;position:absolute;top:50%;left:50%}.finger-hint{text-align:center;min-height:1.5em;color:var(--muted);margin:6px 0;font-weight:600}.keyboard{user-select:none;flex-direction:column;gap:5px;max-width:760px;margin:0 auto;display:flex}.kb-row{gap:5px;display:flex}.kb-key{border:1px solid #0000001f;border-bottom-width:3px;border-radius:7px;flex-direction:column;flex:1 1 0;justify-content:center;align-items:center;min-width:0;height:clamp(30px,6vw,46px);font-size:clamp(.7rem,1.8vw,1rem);font-weight:700;line-height:1.05;transition:transform 80ms;display:flex}.kb-key .kb-shift{opacity:.65;font-size:.7em}.kb-key .kb-upper,.keyboard.shift-on .kb-key .kb-lower{display:none}.keyboard.shift-on .kb-key .kb-upper{display:inline}.kb-special{color:#475569;font-size:clamp(.6rem,1.4vw,.8rem)}.kb-enter-iso{z-index:1;border-bottom:0;border-bottom-right-radius:0;border-bottom-left-radius:0;position:relative}.kb-enter-tail{border-top:0;border-top-left-radius:0;border-top-right-radius:0;height:calc(clamp(30px,6vw,46px) + 8px);margin-top:-8px}.kb-bump:after{content:"";background:#475569;border-radius:2px;width:10px;height:2px;margin-top:2px}.f-lp,.f-rp{background:var(--f-pinky)}.f-lr,.f-rr{background:var(--f-ring)}.f-lm,.f-rm{background:var(--f-middle)}.f-li,.f-ri{background:var(--f-index)}.f-th{background:var(--f-thumb)}.kb-target{outline:3px solid var(--primary);outline-offset:1px;transform:translateY(-2px);background:var(--primary)!important;color:#fff!important}.kb-pressed{filter:brightness(.9);transform:translateY(2px)}.kb-stage{max-width:760px;margin:0 auto;padding-bottom:40px;position:relative}.hands3d,.hands-img{pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.hands-img{overflow:hidden}.hands-img-box{transform-origin:0 0;position:absolute;top:0;left:0}.hands-img-box img{width:100%;height:100%;position:absolute;inset:0}.kb-stage.hands-off .hands3d,.kb-stage.hands-off .hands-img{display:none}.hands-toggle{border:1px solid var(--border);background:var(--surface);color:var(--muted);font:inherit;cursor:pointer;border-radius:999px;padding:3px 12px;font-size:.8rem;font-weight:600;position:absolute;bottom:6px;left:50%;transform:translate(-50%)}.hands-toggle:hover{color:var(--primary);border-color:var(--primary)}.kb-sound-toggle{border:1px solid var(--border);background:var(--surface);color:var(--muted);font:inherit;cursor:pointer;border-radius:999px;padding:3px 12px;font-size:.8rem;font-weight:600;position:absolute;bottom:6px;right:6px}.kb-sound-toggle:hover{color:var(--primary);border-color:var(--primary)}.steps{gap:8px;margin-top:16px;display:flex}.step{background:var(--border);width:32px;height:32px;color:var(--muted);border-radius:50%;place-items:center;font-weight:700;display:grid}.step.active{background:var(--primary);color:#fff}.step.done{background:var(--ok);color:#fff}.toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:8px;display:flex}.segmented{border:2px solid var(--primary);border-radius:10px;display:inline-flex;overflow:hidden}.segmented button{background:var(--surface);color:var(--primary);font:inherit;cursor:pointer;border:0;padding:8px 14px;font-weight:700}.segmented button.active{background:var(--primary);color:#fff}.result-card{background:var(--surface);border-radius:var(--radius);text-align:center;border:2px solid #86efac;margin:16px 0;padding:20px}.stars{color:#f59e0b;letter-spacing:6px;font-size:2.6rem}.result-card{position:relative}.cstar{opacity:0;display:inline-block;transform:scale(.2)}.cstar:not(.on){color:#d6d3d1}.cstar.pop{animation:.45s cubic-bezier(.3,1.6,.5,1) forwards star-pop}.cstar.on.pop{text-shadow:0 0 14px #f59e0b8c}.result-kid .stars{font-size:3.4rem}.result-kid .cstar.on:nth-child(3).pop{animation-name:star-pop-big}@keyframes star-pop{to{opacity:1;transform:scale(1)}}@keyframes star-pop-big{60%{opacity:1;transform:scale(1.45)rotate(12deg)}to{opacity:1;transform:scale(1)}}.celebrate-extra{flex-direction:column;align-items:center;gap:6px;display:flex}.celebrate-coins{color:#b45309;align-items:center;gap:6px;margin:4px 0;font-size:1.15rem;font-weight:800;display:flex}.celebrate-coins.bump{animation:.22s ease-out coin-bump}@keyframes coin-bump{50%{transform:scale(1.18)}}.celebrate-note{color:var(--primary);opacity:0;margin:2px 0;font-weight:700;animation:.4s ease-out forwards note-in}@keyframes note-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.celebrate-pet{align-items:center;gap:8px;display:flex}.celebrate-pet .pet-svg{transform-origin:50% 100%;animation:1s ease-in-out 3 pet-dance}@keyframes pet-dance{0%,to{transform:translateY(0)rotate(0)}25%{transform:translateY(-14px)rotate(-8deg)}50%{transform:translateY(0)rotate(0)}75%{transform:translateY(-14px)rotate(8deg)}}.celebrate-bubble{color:#9a3412;background:#fff7ed;border:2px solid #fdba74;border-radius:14px;padding:6px 12px;font-weight:700}.sound-toggle{border:1px solid var(--border);background:var(--surface);color:var(--muted);cursor:pointer;border-radius:999px;padding:4px 10px;font-size:.8rem;position:absolute;top:10px;right:10px}.confetti-canvas{pointer-events:none;z-index:1000;width:100%;height:100%;position:fixed;inset:0}@media (prefers-reduced-motion:reduce){.cstar,.cstar.pop,.celebrate-note{opacity:1;animation:none;transform:none}.celebrate-pet .pet-svg{animation:none}}.big-result{margin:0}.big-result strong{color:var(--primary);font-size:3.4rem;line-height:1.1;display:block}.result-line{font-size:1.1rem}.result-msg{color:var(--muted)}.result-actions{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:12px;display:flex}.ad-slot{color:#94a3b8;text-align:center;border:2px dashed #cbd5e1;border-radius:10px;margin:24px 0;padding:28px 8px;font-size:.9rem}@media (width<=600px){.stats-bar{gap:16px}.kb-row,.keyboard{gap:3px}.kb-special{font-size:.55rem}}.pet-card{border-radius:var(--radius);background:var(--surface);color:var(--text);border:2px dashed #86efac;align-items:center;gap:10px;margin-left:auto;padding:6px 14px;font-weight:600;text-decoration:none;display:inline-flex}.pet-card:hover{border-style:solid}.lesson-bar{justify-content:space-between;align-items:flex-end;gap:12px;display:flex}.pet-buddy{align-items:flex-end;gap:6px;display:flex}.pet-bubble{background:var(--surface);color:var(--primary-dark);border:2px solid #86efac;border-radius:14px 14px 2px;max-width:220px;margin:0 0 40px;padding:6px 12px;font-weight:700}.pet-buddy[data-mood=calm] .pet-bubble{color:#92400e;border-color:#fcd34d}.pet-jump{animation:.5s pet-jump}@keyframes pet-jump{30%{transform:translateY(-10px)}60%{transform:translateY(0)}80%{transform:translateY(-3px)}}.species-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin:16px 0;display:grid}.species-card{border:2px solid var(--border);border-radius:var(--radius);background:var(--surface);font:inherit;cursor:pointer;flex-direction:column;align-items:center;gap:4px;padding:12px;font-weight:700;display:flex}.species-card:hover,.species-card.selected{border-color:var(--primary);background:#f0fdf4}.pet-name-form{flex-wrap:wrap;align-items:flex-end;gap:12px;margin:12px 0;display:flex}.pet-name-form label,.auth-form label{flex-direction:column;gap:4px;font-weight:600;display:flex}.pet-name-form input,.auth-form input,.auth-form select,.class-form input,.class-form select{font:inherit;border:1px solid var(--border);background:var(--surface);border-radius:8px;padding:8px 10px}.pet-hero{background:linear-gradient(180deg, #ecfdf5, var(--surface));border:1px solid var(--border);border-radius:var(--radius);flex-wrap:wrap;align-items:center;gap:24px;padding:20px;display:flex}.pet-actions{flex-wrap:wrap;gap:10px;display:flex}.pet-stage{width:220px;height:220px}.pet-name{margin:0;font-size:1.8rem}.pet-level{color:var(--primary-dark);margin:4px 0 8px;font-weight:700}.pet-progress{max-width:320px}.pet-coins{margin:12px 0 0;font-size:1.3rem}.item-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;display:grid}.item-card{background:var(--surface);border:2px solid var(--border);border-radius:var(--radius);text-align:center;flex-direction:column;align-items:center;gap:4px;padding:12px;display:flex}.item-card.worn{border-color:var(--primary);background:#f0fdf4}.item-card .btn{margin-top:auto;padding:8px 12px;font-size:.9rem}.btn:disabled{opacity:.5;cursor:not-allowed}.pet-settings{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin:24px 0;padding:12px 16px}.pet-settings summary{cursor:pointer;font-weight:700}.check{align-items:center;gap:8px;margin:12px 0;display:flex}.muted{color:var(--muted)}.small{font-size:.85rem}.form-msg{background:#f0fdf4;border:1px solid #86efac;border-radius:10px;padding:10px 14px}.form-msg.error{color:var(--error);background:#fef2f2;border-color:#fca5a5}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);max-width:420px;padding:20px}.btn-google{width:100%;font:inherit;color:#1f1f1f;cursor:pointer;background:#fff;border:1px solid #dadce0;border-radius:999px;justify-content:center;align-items:center;gap:10px;padding:10px 16px;font-weight:600;display:flex}.btn-google:hover{background:#f8fafc}.auth-or{color:var(--muted);align-items:center;gap:10px;margin:16px 0;font-size:.9rem;display:flex}.auth-or:before,.auth-or:after{content:"";border-top:1px solid var(--border);flex:1}.auth-form{flex-direction:column;gap:12px;display:flex}.auth-links{flex-wrap:wrap;justify-content:space-between;gap:8px;margin:12px 0 0;display:flex}.link-btn{font:inherit;color:var(--primary-dark);cursor:pointer;background:0 0;border:0;padding:0;text-decoration:underline}.link-btn.danger{color:var(--error)}.dash-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.dash-grid{grid-template-columns:1fr 340px;align-items:start;gap:24px;display:grid}@media (width<=760px){.dash-grid{grid-template-columns:1fr}}.class-form{flex-direction:column;gap:12px;display:flex}.class-form h2{margin:0}.class-form label{flex-direction:column;gap:4px;font-weight:600;display:flex}.class-list{gap:12px;margin:0;padding:0;list-style:none;display:grid}.class-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);grid-template-columns:1fr auto;gap:8px 16px;padding:16px;display:grid}.class-card h3{margin:0}.class-card p{margin:4px 0}.class-code{background:#f0fdf4;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;padding:8px 14px;display:flex}.class-code span{color:var(--muted);font-size:.75rem}.class-code strong{letter-spacing:.1em;color:var(--primary-dark);font-family:ui-monospace,Consolas,monospace;font-size:1.4rem}.class-card .link-btn{justify-self:start}.coin{vertical-align:-.1em;box-sizing:border-box;background:radial-gradient(circle at 35% 35%,#fde68a,#f59e0b);border:2px solid #d97706;border-radius:50%;width:.9em;height:.9em;display:inline-block}.btn-small{margin-top:6px;padding:6px 12px;font-size:.9rem}.tabs{gap:4px;margin:16px 0 0;display:flex}.tab{font:inherit;color:var(--muted);cursor:pointer;background:0 0;border:1px solid #0000;border-bottom:0;border-radius:10px 10px 0 0;padding:10px 18px;font-weight:700}.tab.active{background:var(--surface);border-color:var(--border);color:var(--primary-dark)}.tabs+.auth-card,.tabs~.auth-card{border-top-left-radius:0}.code-input{text-transform:uppercase;letter-spacing:.15em;font-family:ui-monospace,Consolas,monospace}.cred{grid-template-columns:auto 1fr;gap:6px 16px;margin:12px 0 16px;display:grid}.cred dt{color:var(--muted)}.cred dd{color:var(--primary-dark);margin:0;font-family:ui-monospace,Consolas,monospace;font-size:1.3rem;font-weight:700}.student-home{max-width:560px}.student-home .hero-actions{justify-content:flex-start;margin:16px 0}.detail-head{justify-content:space-between;align-items:center;gap:16px;margin:8px 0 16px;display:flex}.detail-head h2{margin:0}.join-box{max-width:none;margin-bottom:20px}.join-box p{overflow-wrap:anywhere;margin:0}.join-box code{background:#f0fdf4;border-radius:6px;padding:2px 6px}.class-form textarea{font:inherit;border:1px solid var(--border);resize:vertical;border-radius:8px;padding:8px 10px}.table-wrap{overflow-x:auto}.students-table{border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:100%}.students-table th,.students-table td{text-align:left;border-bottom:1px solid var(--border);padding:10px 12px}.students-table th{color:var(--muted);font-size:.85rem}.students-table code{font-size:1rem}.row-actions{white-space:nowrap}.row-actions .link-btn+.link-btn{margin-left:12px}.print-cards{display:none}@media print{.site-header,.site-footer,#teacher-app{display:none!important}body{background:#fff}.print-cards{grid-template-columns:1fr 1fr;gap:10px;display:grid}.login-card{break-inside:avoid;border:2px dashed #94a3b8;border-radius:10px;padding:12px 14px}.login-card h3{margin:0 0 4px;font-size:1rem}.login-card p{margin:2px 0}.login-card strong{font-family:ui-monospace,Consolas,monospace;font-size:1.1rem}}.doc{max-width:760px}.doc h2{margin-top:28px}.doc p,.doc li{line-height:1.7}.guide-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin:20px 0;display:grid}.guide-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);flex-direction:column;gap:6px;padding:18px;text-decoration:none;transition:border-color .15s,transform .15s;display:flex}.guide-card:hover{border-color:var(--primary);transform:translateY(-2px)}.guide-card h2{margin:0;font-size:1.15rem;line-height:1.35}.guide-card p{color:var(--muted);margin:0}.guide-emoji{font-size:2rem}.guide-more{color:var(--primary-dark);margin-top:auto;font-weight:700}.guide-cta{border-radius:var(--radius);background:#f0fdf4;border:1px solid #86efac;margin:32px 0;padding:20px}.guide-cta h2{margin-top:0}.guide-links{padding-left:20px}.guide-links li{margin:6px 0}.home-guides{margin:32px 0}.footer-links{flex-wrap:wrap;gap:6px 16px;display:flex}.progress-cell span{display:block}.pet-where a{font-weight:700}.site-header .nav .nav-account{background:#ffffff2e;border-radius:999px;padding:4px 12px}.site-header .nav .nav-account:hover{color:#fff;background:#ffffff4d}.signin-grid{grid-template-columns:minmax(0,420px) 1fr;align-items:start;gap:32px;margin-top:16px;display:grid}@media (width<=760px){.signin-grid{grid-template-columns:1fr}}.signin-grid aside h2{margin-top:0;font-size:1.2rem}.choice-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);align-items:center;gap:14px;margin-bottom:12px;padding:14px 16px;text-decoration:none;display:flex}.choice-card:hover{border-color:var(--primary)}.choice-emoji{font-size:2rem}.auth-panel .auth-card{max-width:none}.account-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-top:16px;display:grid}.account-grid .auth-card{max-width:none}.account-grid h2{margin-top:0;font-size:1.15rem}.account-courses{gap:10px;margin:0;padding:0;list-style:none;display:grid}.account-courses li{flex-direction:column;gap:2px;display:flex}.account-pet{text-align:center}.save-hint{max-width:520px;color:var(--primary-dark);margin:8px auto 0;font-weight:600}.save-banner{margin-top:12px}.account-hero{color:#fff;background:linear-gradient(120deg,#15803d,#16a34a 55%,#2dd4bf);border-radius:20px;flex-wrap:wrap;align-items:center;gap:20px;margin:16px 0;padding:24px;display:flex;position:relative;overflow:hidden;box-shadow:0 10px 30px #16a34a40}.account-hero:after{content:"";background:#ffffff1f;border-radius:50%;width:220px;height:220px;position:absolute;top:-60px;right:-60px}.avatar{width:72px;height:72px;color:var(--primary-dark);background:#fff;border-radius:50%;flex-shrink:0;place-items:center;font-size:2rem;font-weight:800;display:grid;box-shadow:0 4px 14px #00000026}.account-hero-text{z-index:1;flex:1;min-width:220px}.account-hero h1{color:#fff;margin:0 0 8px}.account-hero p{flex-wrap:wrap;gap:6px;margin:0;display:flex}.badge{color:var(--primary-dark);background:#fff;border-radius:999px;padding:4px 12px;font-size:.85rem;font-weight:700;display:inline-block}.account-hero .badge-soft{color:#fff;background:#fff3}.hero-link{color:#fff;margin-top:10px;font-weight:700;display:inline-block}.btn-light{color:var(--primary-dark);z-index:1;background:#fffffff2}.btn-light:hover{background:#fff}.import-box .hero-actions{justify-content:flex-start;margin:8px 0 0}.stat-tiles{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin:16px 0;display:grid}.stat-tile{background:var(--surface);border:1px solid var(--border);border-top:5px solid;border-radius:16px;flex-direction:column;gap:2px;padding:16px 18px;display:flex}.stat-tile strong{font-size:2rem;line-height:1.1}.stat-tile>span:last-child{color:var(--muted);font-size:.9rem}.tile-icon{font-size:1.4rem}.tile-green{border-top-color:#22c55e}.tile-green strong{color:#15803d}.tile-yellow{border-top-color:#facc15}.tile-yellow strong{color:#a16207}.tile-blue{border-top-color:#38bdf8}.tile-blue strong{color:#0369a1}.tile-orange{border-top-color:#fb923c}.tile-orange strong{color:#c2410c}.account-layout{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}@media (width<=760px){.account-layout{grid-template-columns:1fr}}.panel{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px;box-shadow:0 2px 10px #0f172a0a}.panel h2{margin:0 0 14px;font-size:1.15rem}.panel-wide{grid-column:1/-1}.course-rows{gap:12px;margin:0;padding:0;list-style:none;display:grid}.course-row{background:#f8fafc;border-radius:12px;align-items:center;gap:14px;padding:12px 14px;display:flex}.course-row-emoji{font-size:2rem}.course-row-body{flex-direction:column;flex:1;gap:6px;display:flex}.course-row .btn-small{white-space:nowrap;margin-top:0}.test-big{align-items:baseline;gap:8px;margin:0 0 8px;display:flex}.test-big strong{color:#0369a1;font-size:3rem;line-height:1}.test-big span{color:var(--muted)}.panel .badge{color:#0369a1;background:#e0f2fe;margin:0 0 12px}.spark{align-items:flex-end;gap:6px;height:60px;margin:6px 0 16px;display:flex}.spark span{background:linear-gradient(#38bdf8,#0284c7);border-radius:6px 6px 2px 2px;flex:1;max-width:26px}.empty-state{text-align:center}.empty-icon{margin-bottom:4px;font-size:3rem;display:block}.pet-panel{text-align:center;background:linear-gradient(180deg, #fef9c3, #ecfdf5 60%, var(--surface))}.pet-stage-box{place-items:center;min-height:150px;display:grid}.pet-choices{flex-wrap:wrap;justify-content:center;gap:4px;display:flex}.pet-caption{margin:4px 0 8px;font-weight:800}.pet-panel .progress{max-width:240px;margin:0 auto 6px}.game-stage{cursor:pointer;border:2px solid var(--border);background:linear-gradient(#e0f2fe,#f0fdf4);border-radius:12px;height:260px;position:relative;overflow:hidden}.game-stage .focus-overlay{z-index:5}.game-pet{z-index:2;line-height:0;position:absolute}.game-pet-emoji{line-height:1}.balloon-pet{bottom:4px;left:50%;transform:translate(-50%)}.balloon{z-index:3;flex-direction:column;align-items:center;display:flex;position:absolute;top:100%;transform:translate(-50%)}.balloon:before{content:"";background:radial-gradient(circle at 32% 28%, #ffffffb3, transparent 30%), var(--c);border-radius:50% 50% 46% 46%;width:70px;height:82px;box-shadow:inset -6px -8px #0000001f}.balloon:after{content:"";background:#94a3b8;width:2px;height:34px}.balloon-word{color:#334155;white-space:nowrap;background:#fff;border-radius:8px;padding:2px 8px;font:700 1.05rem ui-monospace,Consolas,monospace;position:absolute;top:28px;box-shadow:0 2px 6px #00000026}.balloon-word b{color:var(--ok)}.balloon-active .balloon-word{outline:3px solid var(--primary)}.balloon-pop{animation:.35s forwards balloon-pop}.balloon-gone{opacity:0;transition:opacity .3s}@keyframes balloon-pop{60%{opacity:.8;transform:translate(-50%)scale(1.3)}to{opacity:0;transform:translate(-50%)scale(.2)}}.game-puente{background:linear-gradient(#e0f2fe 0 55%,#f0fdf4 55%)}.bridge-word{text-align:center;z-index:3;color:#94a3b8;letter-spacing:.05em;font:800 2rem ui-monospace,Consolas,monospace;position:absolute;top:22px;left:0;right:0}.bridge-word b{color:var(--ok)}.bridge-cur{color:var(--text,#0f172a);border-bottom:3px solid var(--primary)}.bridge-scene{height:120px;position:absolute;bottom:0;left:0;right:0}.bank{background:#65a30d;border-top:8px solid #4d7c0f;width:12%;height:70px;position:absolute;bottom:0}.bank-left{border-radius:0 12px 0 0;left:0}.bank-right{text-align:center;border-radius:12px 0 0;font-size:1.6rem;right:0}.river{background:repeating-linear-gradient(90deg,#38bdf8 0 30px,#0ea5e9 30px 60px);height:50px;animation:3s linear infinite river;position:absolute;bottom:0;left:12%;right:12%}@keyframes river{to{background-position:60px 0}}.planks{gap:3px;display:flex;position:absolute;bottom:62px;left:12%;right:12%}.plank{background:#78350f26;border:1px dashed #a16207;border-radius:3px;flex:1;height:12px}.plank-on{background:#a16207;border-style:solid}.plank-wobble{background:#fca5a5;animation:.3s shake}.bridge-pet{transition:left .4s;bottom:70px;left:8%;transform:translate(-50%)}.race{background:#fef9c3;border:2px solid #fde68a;border-radius:12px;gap:6px;margin-top:12px;padding:8px 40px 8px 8px;display:grid;position:relative}.race-lane{border-bottom:2px dashed #eab308;height:56px;position:relative}.race-lane:last-of-type{border-bottom:0}.race-runner{font-size:2.6rem;line-height:0;transition:left 1s linear;position:absolute;bottom:0;left:0}.race-runner[data-runner=rival]{line-height:1.2}.race-finish{font-size:1.8rem;position:absolute;top:50%;right:8px;transform:translateY(-50%)}@media (width<=640px){.game-stage{height:220px}.bridge-word{font-size:1.5rem}}.dash-actions{flex-wrap:wrap;gap:8px;display:flex}.class-summary h3{margin-bottom:0}.class-summary .stat-tile strong{font-size:1.6rem}.report-table td,.report-table th{white-space:nowrap}.sort-btn{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0;padding:0;font-weight:700}.sort-btn:hover{color:var(--primary)}.sort-btn[data-dir=asc]:after{content:" ▲"}.sort-btn[data-dir=desc]:after{content:" ▼"}.st-name{text-align:left;font-weight:700}.mini-bar{background:var(--border);border-radius:999px;width:110px;height:6px;margin-top:4px;display:block;overflow:hidden}.mini-bar span{background:var(--primary);height:100%;display:block}.stale{color:var(--error);font-weight:700}.add-students{max-width:520px;margin-top:20px}.student-detail{width:100%;max-width:none;margin:16px 0}.unit-report{border-top:1px solid var(--border);padding:8px 0}.unit-report summary{cursor:pointer;flex-wrap:wrap;align-items:baseline;gap:4px 12px;display:flex}.unit-report-stats{color:var(--primary);margin-left:auto;font-weight:700}.lesson-report{gap:2px;margin:8px 0 4px;padding:0;list-style:none;display:grid}.lesson-report li{border-radius:6px;grid-template-columns:40px 1fr 60px 150px;gap:8px;padding:4px 8px;font-size:.9rem;display:grid}.lesson-report li:nth-child(odd){background:#f8fafc}.lr-num{color:var(--muted)}.lr-stars{color:#f59e0b}@media (width<=640px){.lesson-report li{grid-template-columns:32px 1fr}.lr-stars,.lr-stats{grid-column:2}}.site-header .nav .nav-streak{color:#c2410c;background:#fff7ed;border-radius:999px;align-items:center;gap:2px;padding:4px 10px;font-weight:800;text-decoration:none;display:inline-flex}.site-header .nav .nav-streak.streak-pending{color:#9a3412;background:#ffffffd9}.habit-line{color:#9a3412;background:#fff7ed;border-radius:12px;max-width:520px;margin:10px auto 0;padding:8px 14px;font-weight:700}.new-medals{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:12px;display:flex}.medal-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px;margin:12px 0 24px;display:grid}.medal{text-align:center;background:var(--surface);border:1px solid var(--border);opacity:.45;filter:grayscale();border-radius:14px;flex-direction:column;align-items:center;gap:2px;padding:12px 8px;display:flex}.medal-on{opacity:1;filter:none;background:linear-gradient(180deg, #fffbeb, var(--surface));border-color:#fcd34d}.medal-icon{font-size:1.9rem;line-height:1.2}.medal strong{font-size:.9rem}.medal-how{color:var(--muted);font-size:.75rem}.medal-new{min-width:140px;animation:.6s medal-pop}@keyframes medal-pop{0%{opacity:0;transform:scale(.4)}70%{transform:scale(1.1)}to{transform:scale(1)}}.week-dots{gap:5px;display:inline-flex}.dot{background:var(--border);border-radius:50%;width:12px;height:12px}.dot-half{background:#fdba74}.dot-on{background:#f97316}.streak-card{color:var(--text);background:#fff7ed;border:2px dashed #fdba74;border-radius:14px;align-items:center;gap:10px;padding:8px 14px;text-decoration:none;display:flex}.streak-card.streak-done{border-style:solid;border-color:#f97316}.streak-flame{font-size:1.8rem}.streak-panel .week-dots{margin:4px 0 8px}[data-mood=sad] .pet-svg{filter:saturate(.45)brightness(.95)}[data-mood=sleepy] .pet-svg{filter:saturate(.3)brightness(.85)}[data-mood=sad],[data-mood=sleepy]{position:relative}.pet-stage[data-mood=sad]:after,.pet-buddy-art[data-mood=sad]:after{content:"💧";font-size:1.4rem;position:absolute;top:38%;left:58%}.pet-stage[data-mood=sleepy]:after,.pet-buddy-art[data-mood=sleepy]:after{content:"💤";font-size:1.6rem;position:absolute;top:30%;left:60%}.pet-mood-msg{color:#1d4ed8;background:#eff6ff;border-radius:10px;margin:0 0 8px;padding:6px 12px;font-weight:700;display:inline-block}.daily-ranking{margin:20px 0}.rank-list{gap:4px;margin:8px 0;padding-left:28px;display:grid}.rank-list li{background:var(--surface);border-radius:8px;padding:6px 10px}.rank-list li::marker{color:var(--primary);font-weight:800}.rank-list li span{display:inline-block}.rank-name{min-width:45%;font-weight:700}.rank-wpm{min-width:25%;color:var(--primary);font-weight:700}.rank-me{outline:2px solid var(--primary);background:#f0fdf4!important}.site-header .wrap{max-width:1180px}.assign-box{margin:16px 0}.asg-form{gap:10px;width:100%;max-width:none;margin-bottom:12px;display:grid}.asg-pick{border:1px solid var(--border);border-radius:10px;margin:0;padding:8px 12px}.asg-pick legend{padding:0 4px;font-weight:700}.asg-all{font-weight:700}.asg-lessons{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:2px 16px;max-height:260px;margin-top:6px;display:grid;overflow-y:auto}.asg-row{flex-wrap:wrap;gap:12px;display:flex}.asg-row label{flex:200px}.assignment-list{gap:10px;margin:8px 0 0;padding:0;list-style:none;display:grid}.assignment{background:var(--surface);border:1px solid var(--border);border-left:5px solid var(--primary);border-radius:var(--radius);padding:10px 14px}.assignment-late{border-left-color:var(--error)}.assignment-done{border-left-color:var(--ok);opacity:.85}.assignment-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px 12px;display:flex}.assignment p{margin:4px 0}.assignment-state{font-size:.9rem;font-weight:700}.assignment-late .assignment-state{color:var(--error)}.assignment details{margin-top:6px}.assignment summary{cursor:pointer;color:var(--primary-dark);font-size:.92rem;font-weight:600}.assignment-lessons{gap:2px;margin:6px 0 0;padding-left:0;list-style:none;display:grid}.assignment-lessons li{justify-content:space-between;gap:8px;display:flex}.assignment-lessons a{text-decoration:none}.assignment-lessons li.done a{color:var(--muted)}.assignments.panel{margin-bottom:16px}.cert-tools{flex-wrap:wrap;align-items:flex-end;gap:10px 14px;margin:8px 0 16px;display:flex}.cert-tools p{flex-basis:100%;margin:0}.cert-name-field{gap:4px;font-size:.9rem;font-weight:600;display:grid}.cert-name-field input{font:inherit;border:1px solid var(--border);border-radius:8px;min-width:240px;padding:8px 10px}.certificate{--gold:#b7791f;color:#1e293b;border:3px solid var(--gold);aspect-ratio:1.414;background:#fffdf5;border-radius:6px;max-width:1000px;margin:0 auto;padding:14px;box-shadow:0 8px 30px #00000014}.cert-inner{border:1px solid var(--gold);outline-offset:-12px;text-align:center;outline:6px double #b7791f59;flex-direction:column;justify-content:center;align-items:center;gap:.4em;height:100%;padding:4% 6%;display:flex}.cert-inner p{margin:0}.cert-site{color:#15803d;letter-spacing:.04em;font-weight:800}.cert-title{color:var(--gold);margin:.2em 0;font-family:Georgia,Times New Roman,serif;font-size:clamp(1.4rem,4vw,2.6rem)}.cert-small{color:#475569;font-size:clamp(.8rem,1.8vw,1.05rem)}.cert-name{border-bottom:2px solid var(--gold);min-width:50%;padding:0 1em .1em;font-family:Georgia,Times New Roman,serif;font-size:clamp(1.5rem,4.5vw,2.8rem);font-weight:700}.cert-unit{font-size:clamp(1rem,2.6vw,1.5rem);font-weight:700}.cert-stats{flex-wrap:wrap;justify-content:center;gap:4%;width:100%;margin:.8em 0;display:flex}.cert-stats div,.cert-foot div{display:grid}.cert-stats strong{color:#15803d;font-size:clamp(1rem,2.6vw,1.6rem)}.cert-stats span,.cert-foot span{color:#64748b;font-size:.8rem}.cert-foot{justify-content:space-between;align-items:flex-end;width:80%;margin-top:auto;display:flex}.cert-foot>div:not(.cert-seal){border-top:1px solid #94a3b8;min-width:28%;padding-top:4px}.cert-seal{font-size:clamp(2rem,6vw,3.6rem)}.cert-list{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px;margin:0;padding:0;list-style:none;display:grid}.cert-list a{border:1px solid var(--border);color:inherit;background:#fffdf5;border-radius:10px;align-items:center;gap:8px;padding:8px 10px;text-decoration:none;display:flex}.cert-list a:hover{border-color:#b7791f}.cert-list .cert-final{border-color:#b7791f;font-weight:700}.unit-cert{color:#b7791f;background:#fffdf5;border:1px solid #b7791f;border-radius:999px;padding:2px 10px;font-size:.85rem;font-weight:700;text-decoration:none}.course-cert{margin:0 0 12px}@media print{@page{size:A4 landscape;margin:8mm}.cert-tools,.form-msg{display:none!important}#cert-app .certificate{box-shadow:none;aspect-ratio:auto;break-inside:avoid;width:100%;max-width:none;height:calc(100vh - 2px)}#cert-app~*{display:none!important}}.cert-btn{background:#b7791f;margin:6px 0 10px}.cert-btn:hover{background:#975a16}