:root{--ink:#111111;--paper:#ffffff;--soft:#f4f5f2;--soft-hover:#e9ebe5;--line:#111111;--muted:#555753;--lime:#e7ff1f;--mint:#bff6d0;--aqua:#cceff1;--lilac:#d8d5ff;--danger:#d93829;--danger-bg:#fde8e7;--warning:#f5a623;--warning-bg:#fff3dc;--border-width:2px;--radius-sm:12px;--radius-md:20px;--radius-lg:28px;--radius-xl:34px;--font-family:"Be Vietnam Pro",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body,html{min-height:100vh;background-color:var(--soft);color:var(--ink);font-family:var(--font-family);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font-family:inherit;font-size:inherit}:focus-visible{outline:3px solid var(--ink);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}h1{font-size:clamp(2rem,4vw,2.8rem);letter-spacing:-.04em;line-height:1.1}h1,h2{font-weight:800;color:var(--ink)}h2{font-size:clamp(1.4rem,2.5vw,1.8rem);letter-spacing:-.03em;line-height:1.2}h3{font-size:1.2rem;font-weight:700}h3,p{color:var(--ink)}.text-muted{color:var(--muted)}.eyebrow{gap:6px;padding:4px 12px;border:var(--border-width) solid var(--line);font-size:.75rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;width:-moz-fit-content;width:fit-content}.badge,.eyebrow{display:inline-flex;align-items:center;border-radius:999px;background:var(--paper)}.badge{padding:4px 10px;font-size:.8rem;font-weight:700;border:1.5px solid var(--line)}.badge-lime{background:var(--lime)}.badge-mint{background:var(--mint)}.badge-aqua{background:var(--aqua)}.badge-lilac{background:var(--lilac)}.badge-warning{background:var(--warning-bg);color:#875000;border-color:#875000}.badge-danger{background:var(--danger-bg);color:var(--danger);border-color:var(--danger)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:10px 22px;font-size:.95rem;font-weight:700;border-radius:999px;border:var(--border-width) solid var(--line);cursor:pointer;text-align:center;transition:transform .08s ease,background-color .15s ease;background:var(--paper);color:var(--ink)}.btn:hover:not(:disabled){transform:translateY(-1px)}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--ink);color:var(--paper);border-color:var(--ink)}.btn-primary:hover:not(:disabled){background:#2a2b27}.btn-lime{background:var(--lime);color:var(--ink)}.btn-mint{background:var(--mint);color:var(--ink)}.btn-aqua{background:var(--aqua);color:var(--ink)}.btn-danger{background:var(--danger-bg);color:var(--danger);border-color:var(--danger)}.btn-danger:hover:not(:disabled){background:#fadcd9}.btn-sm{min-height:38px;padding:6px 14px;font-size:.85rem}.btn-kid{min-height:64px;min-width:64px;padding:16px 32px;font-size:1.25rem;font-weight:800;border-radius:var(--radius-lg);border:3px solid var(--ink)}.card{background:var(--paper);border:var(--border-width) solid var(--line);border-radius:var(--radius-md);padding:24px}.card-soft{background:var(--soft)}.card-mint{background:var(--mint)}.card-aqua{background:var(--aqua)}.card-lilac{background:var(--lilac)}.card-lime{background:var(--lime)}.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.form-label{font-size:.85rem;font-weight:700;color:var(--ink)}.input,.select,.textarea{width:100%;padding:12px 14px;border:var(--border-width) solid var(--line);border-radius:var(--radius-sm);background:var(--paper);color:var(--ink);font-size:.95rem}.textarea{min-height:90px;resize:vertical}.feedback-banner{padding:12px 16px;border-radius:var(--radius-sm);border:var(--border-width) solid var(--line);margin-bottom:16px;font-size:.9rem;font-weight:600}.feedback-error{background:var(--danger-bg);color:var(--danger);border-color:var(--danger)}.feedback-success{background:var(--mint);color:var(--ink);border-color:var(--line)}.app-layout{display:flex;flex-direction:column;min-height:100vh}.app-header{justify-content:space-between;padding:14px 24px;background:var(--paper);border-bottom:var(--border-width) solid var(--line);position:-webkit-sticky;position:sticky;top:0;z-index:10}.app-header,.header-brand{display:flex;align-items:center}.header-brand{gap:10px;font-weight:800;font-size:1.15rem;letter-spacing:-.02em}.brand-dot{width:32px;height:32px;border-radius:50%;background:var(--lime);border:var(--border-width) solid var(--line);display:grid;place-items:center;font-size:.8rem;font-weight:800}.header-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.nav-link{padding:8px 14px;border-radius:999px;font-weight:700;font-size:.88rem;border:1.5px solid transparent;transition:background-color .15s}.nav-link:hover{background:var(--soft)}.nav-link.active{background:var(--lime);border-color:var(--line)}.header-actions{display:flex;align-items:center;gap:10px}.main-content{flex:1 1;width:min(1180px,calc(100% - 36px));margin:0 auto;padding:36px 0 64px}.page-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:28px;flex-wrap:wrap}.page-title-group{display:flex;flex-direction:column;gap:8px}.page-desc{color:var(--muted);font-size:1.05rem;max-width:680px}.kid-container{min-height:100vh;display:flex;flex-direction:column;background:var(--soft)}.kid-header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:var(--paper);border-bottom:3px solid var(--ink)}.kid-main{flex:1 1;width:min(720px,calc(100% - 32px));margin:0 auto;padding:24px 0 60px;display:flex;flex-direction:column;gap:24px}.kid-choices-grid{display:grid;grid-template-columns:1fr;grid-gap:20px;gap:20px}@media (min-width:600px){.kid-choices-grid{grid-template-columns:1fr 1fr}}.kid-choice-card{display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:32px 20px;min-height:180px;border:3px solid var(--ink);border-radius:var(--radius-xl);font-weight:800;font-size:1.4rem;gap:12px;cursor:pointer;transition:transform .1s ease;-webkit-user-select:none;-moz-user-select:none;user-select:none}.kid-choice-card:hover{transform:translateY(-2px)}.kid-choice-card:active{transform:translateY(2px)}.chat-window{display:flex;flex-direction:column;gap:16px;min-height:380px;max-height:60vh;overflow-y:auto;padding:20px;background:var(--paper);border:3px solid var(--ink);border-radius:var(--radius-lg)}.chat-bubble{max-width:82%;padding:14px 18px;border-radius:var(--radius-md);border:2px solid var(--ink);font-size:1.1rem;line-height:1.4;word-break:break-word}.chat-bubble.user{align-self:flex-end;background:var(--lilac);border-bottom-right-radius:4px}.chat-bubble.assistant{align-self:flex-start;background:var(--mint);border-bottom-left-radius:4px}.chat-input-row{display:flex;gap:12px;align-items:stretch}.chat-input-row input{flex:1 1;min-height:64px;font-size:1.2rem;padding:0 20px;border-radius:var(--radius-md);border:3px solid var(--ink)}.grid-2{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));grid-gap:20px;gap:20px}.grid-3{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:16px;gap:16px}.empty-box{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:48px 24px;background:var(--paper);border:2px dashed var(--line);border-radius:var(--radius-md);gap:12px}@media (max-width:768px){.app-header{flex-direction:column;align-items:stretch;gap:12px}.header-nav{overflow-x:auto;padding-bottom:4px}.page-header{flex-direction:column}}