@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";:root{--navy-50: #e8edf8;--navy-100: #c5d0ef;--navy-200: #8fa3df;--navy-300: #5977cf;--navy-400: #2f53c2;--navy-500: #1a3a8a;--navy-600: #152f72;--navy-700: #10245a;--navy-800: #0b1942;--navy-900: #060e2a;--cyan-300: #67e8f9;--cyan-400: #22d3ee;--cyan-500: #06b6d4;--cyan-600: #0891b2;--ink: #0f172a;--muted: #475569;--line: #e2e8f0;--surface: #ffffff;--bg: #f3f6fc;--green: #16a34a;--amber: #f59e0b;--red: #dc2626;--radius: 16px;--shadow: 0 6px 24px rgba(26, 58, 138, .1);--font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{font-family:var(--font);color:var(--ink);background:var(--bg);font-size:17px;line-height:1.45;-webkit-font-smoothing:antialiased}h1,h2,h3{margin:0 0 .4em;line-height:1.15;letter-spacing:-.01em}h1{font-size:clamp(1.7rem,4vw,2.4rem);font-weight:800}h2{font-size:1.5rem;font-weight:700}h3{font-size:1.15rem;font-weight:700}p{margin:0 0 .8em}a{color:var(--navy-500)}button,input,select,textarea{font:inherit}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:linear-gradient(90deg,var(--navy-700),var(--navy-500) 70%,var(--navy-400));color:#fff;padding:10px 16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.app-header .brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff}.app-header .brand img{height:44px;width:44px;border-radius:50%;background:#fff;padding:2px}.app-header .brand b{font-size:1.15rem;font-weight:800}.app-header .brand small{display:block;font-size:.72rem;opacity:.85;font-weight:500;letter-spacing:.04em;text-transform:uppercase}.app-header .spacer{flex:1}.app-header .who{font-size:.9rem;opacity:.95;display:flex;align-items:center;gap:8px}.app-main{flex:1;width:100%;max-width:1040px;margin:0 auto;padding:20px 16px 48px}.app-footer{background:var(--navy-800);color:#c5d0ef;font-size:.85rem;padding:18px 16px;text-align:center}.app-footer a{color:var(--cyan-300)}.app-footer img{height:28px;vertical-align:middle;margin-right:8px;border-radius:50%;background:#fff}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card+.card{margin-top:16px}.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(190px,1fr))}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.stack{display:grid;gap:12px}.muted{color:var(--muted)}.small{font-size:.85rem}.center{text-align:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;border:2px solid transparent;border-radius:999px;padding:12px 22px;font-weight:700;font-size:1rem;min-height:48px;transition:transform .08s,box-shadow .15s,background .15s;background:var(--cyan-500);color:var(--navy-900);text-decoration:none}.btn:hover{background:var(--cyan-400);box-shadow:0 4px 14px #06b6d459}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}.btn.primary{background:var(--navy-500);color:#fff}.btn.primary:hover{background:var(--navy-400);box-shadow:0 4px 14px #1a3a8a59}.btn.ghost{background:transparent;border-color:var(--navy-200);color:var(--navy-600)}.btn.ghost:hover{background:var(--navy-50);box-shadow:none}.btn.danger{background:#fee2e2;color:var(--red)}.btn.big{font-size:1.25rem;padding:16px 30px;min-height:60px}.btn.sm{font-size:.85rem;padding:6px 14px;min-height:36px}.btn.block{width:100%}label.field{display:grid;gap:6px;font-weight:600;font-size:.95rem}.input,select.input,textarea.input{width:100%;border:2px solid var(--line);border-radius:12px;padding:12px 14px;font-size:1.05rem;background:#fff;min-height:48px}.input:focus{outline:none;border-color:var(--cyan-500);box-shadow:0 0 0 4px #06b6d433}.input.code{font-size:1.8rem;letter-spacing:.3em;text-transform:uppercase;text-align:center;font-weight:800}.error{background:#fee2e2;color:#991b1b;border-radius:12px;padding:10px 14px;font-weight:600}.notice{background:#ecfeff;color:var(--navy-700);border-radius:12px;padding:10px 14px;border-left:5px solid var(--cyan-500)}.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.78rem;font-weight:700;background:var(--navy-50);color:var(--navy-600)}.pill.ok{background:#dcfce7;color:#166534}.pill.warn{background:#fef3c7;color:#92400e}table.table{width:100%;border-collapse:collapse;font-size:.95rem}.table th,.table td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}.table th{color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em}.steps{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}.steps span{padding:6px 12px;border-radius:999px;background:var(--navy-50);color:var(--navy-400);font-size:.8rem;font-weight:700}.steps span.active{background:var(--navy-500);color:#fff}.steps span.done{background:#dcfce7;color:#166534}.pick-card{background:#fff;border:3px solid var(--line);border-radius:var(--radius);padding:18px 12px;text-align:center;cursor:pointer;transition:all .12s;display:grid;gap:6px;justify-items:center;min-height:150px}.pick-card:hover{border-color:var(--cyan-400);transform:translateY(-2px);box-shadow:var(--shadow)}.pick-card.selected{border-color:var(--cyan-500);background:#ecfeff;box-shadow:0 0 0 4px #06b6d433}.pick-card .emoji{font-size:3rem;line-height:1}.pick-card b{font-size:1.05rem}.pick-card small{color:var(--muted);font-size:.8rem}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{border:2px solid var(--navy-100);background:#fff;border-radius:999px;padding:8px 14px;cursor:pointer;font-weight:600;font-size:.95rem;color:var(--navy-700);transition:all .1s}.chip:hover{border-color:var(--cyan-500);background:#ecfeff}.chip.taught{background:var(--navy-50);color:var(--navy-300);border-style:dashed;cursor:default}.chip.selected{background:var(--navy-500);color:#fff;border-color:var(--navy-500)}.chip.big{font-size:1.6rem;padding:10px 16px}.category{border:2px solid var(--line);border-radius:var(--radius);padding:14px;background:#fff}.category-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}.category-head .emoji{font-size:1.8rem}.category-head b{font-size:1.1rem;flex:1}.example{display:flex;align-items:center;gap:8px;background:var(--bg);border-radius:10px;padding:6px 10px;margin:4px 0;font-size:.95rem}.example .x{margin-left:auto;border:0;background:transparent;cursor:pointer;color:var(--muted);font-size:1.1rem}.example.fixed{background:#fef3c7}.meter{background:var(--navy-50);border-radius:999px;height:18px;overflow:hidden;position:relative}.meter>i{display:block;height:100%;background:linear-gradient(90deg,var(--cyan-500),var(--navy-400));border-radius:999px;transition:width .4s ease}.meter.sm{height:10px}.meter.conf>i{background:linear-gradient(90deg,var(--amber),var(--green))}.chat{display:grid;gap:10px;max-height:420px;overflow-y:auto;padding:6px 2px}.bubble{max-width:85%;padding:10px 14px;border-radius:18px;font-size:1.05rem}.bubble.user{align-self:flex-end;justify-self:end;background:var(--navy-500);color:#fff;border-bottom-right-radius:4px}.bubble.bot{justify-self:start;background:#fff;border:2px solid var(--line);border-bottom-left-radius:4px}.bubble .why{font-size:1rem;color:var(--navy-700);margin-top:8px;padding:6px 10px;background:#ecfeff;border-radius:10px;border-left:4px solid var(--cyan-500)}.bubble .why b{color:var(--navy-500);background:#cffafe;padding:0 4px;border-radius:4px}.bubble.dunno .why{background:#fffbeb;border-left-color:var(--amber)}button:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid var(--cyan-500);outline-offset:2px}.bubble.bot.dunno{background:#fef3c7;border-color:#fde68a}.thumbs{display:flex;gap:6px;margin-top:8px}.thumbs button{border:2px solid var(--line);background:#fff;border-radius:999px;padding:4px 12px;cursor:pointer;font-size:1.1rem}.thumbs button.on{border-color:var(--cyan-500);background:#ecfeff}.robot-think{font-size:5rem;text-align:center;animation:bob 1s ease-in-out infinite}@keyframes bob{0%,to{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-10px) rotate(4deg)}}.card-fly{animation:fly .5s ease-out both}@keyframes fly{0%{opacity:0;transform:translateY(20px) scale(.9)}to{opacity:1;transform:none}}.stars{font-size:2.6rem;letter-spacing:.1em}.stars .off{opacity:.25}.badge-big{font-size:5rem;line-height:1;animation:pop .5s cubic-bezier(.2,1.4,.4,1) both}@keyframes pop{0%{transform:scale(0)}to{transform:scale(1)}}.moment{position:fixed;top:0;right:0;bottom:0;left:0;background:#060e2a8c;display:grid;place-items:center;padding:16px;z-index:50}.moment .card{max-width:440px;width:100%;border-top:8px solid var(--cyan-500)}.moment h3{font-size:1.4rem}.speak{border:0;background:var(--navy-50);color:var(--navy-600);border-radius:999px;width:40px;height:40px;cursor:pointer;font-size:1.2rem;flex:none}.speak:hover{background:var(--cyan-300)}.hero{background:linear-gradient(135deg,var(--navy-700),var(--navy-500) 60%,var(--cyan-600));color:#fff;border-radius:24px;padding:36px 24px}.hero h1{color:#fff}.hero p{font-size:1.1rem;opacity:.95;max-width:560px}.hero .btn{background:#fff;color:var(--navy-600)}.hero .btn.primary{background:var(--cyan-400);color:var(--navy-900)}@media (max-width: 600px){body{font-size:16px}.app-main{padding:14px 12px 40px}.card{padding:16px}.bubble{max-width:95%}}