:root{--primary:#01aeee;--primary-hover:#009fd6;--secondary:#001a45;--secondary-soft:#0a2a6e;--accent:#01aeee;--accent-hover:#009fd6;--bg:#f8fafc;--surface:#fff;--border:#e2e8f0;--text:#1e293b;--text-muted:#64748b;--success:#22c55e;--error:#ef4444;--warning:#f59e0b;--font-sans:"Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;--radius:12px;--radius-sm:10px;--radius-lg:20px;--shadow-sm:0 1px 3px #0f172a14;--shadow-md:0 6px 24px #0f172a1a;--shadow-lg:0 16px 48px #001a452e;--container:1200px;--header-height:72px}*,:after,:before{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);color:var(--text);background-color:var(--bg);margin:0;font-size:1rem;line-height:1.6}h1,h2,h3,h4,h5,h6{color:var(--secondary);margin:0 0 .5em;font-weight:700;line-height:1.2}p{margin:0 0 1em}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-hover)}img,svg{max-width:100%;height:auto}button{font-family:inherit}:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}.skip-link{z-index:200;background:var(--secondary);color:#fff;border-radius:0 0 8px 8px;padding:10px 18px;transition:top .2s;position:absolute;top:-48px;left:16px}.skip-link:focus{color:#fff;top:0}.visually-hidden{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:after,:before{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:24px}.section{padding-block:4rem}.section--alt{background:var(--surface)}.section--dark{background:linear-gradient(160deg,var(--secondary) 0,var(--secondary-soft) 100%);color:#e2e8f0}.section--dark h2,.section--dark h3{color:#fff}.section-heading{text-align:center;max-width:720px;margin:0 auto 48px}.section-heading--wide{max-width:960px}.section-heading__eyebrow{letter-spacing:.12em;text-transform:uppercase;color:var(--primary);margin-bottom:8px;font-size:.85rem;font-weight:700;display:inline-block}.section-heading__title{font-size:clamp(1.6rem,3.5vw,2.4rem)}.section-heading__text{color:var(--text-muted);margin:0}.page-hero,.section--dark .section-heading__text{color:#cbd5e1}.page-hero{text-align:center;background:radial-gradient(circle at 85% 15%,#01aeee40,transparent 45%),linear-gradient(150deg,var(--secondary) 0,var(--secondary-soft) 100%);padding:72px 0}.page-hero__title{color:#fff;margin-bottom:12px;font-size:clamp(1.8rem,4vw,2.8rem)}.page-hero__text{max-width:640px;margin:0 auto;font-size:1.1rem}.btn{cursor:pointer;border:2px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:12px 28px;font-size:1rem;font-weight:600;line-height:1.2;transition:background-color .2s,color .2s,border-color .2s,transform .15s;display:inline-flex}.btn:active{transform:scale(.98)}.btn--primary{background:var(--primary);color:#fff}.btn--primary:hover{background:var(--primary-hover);color:#fff}.btn--secondary{background:var(--secondary);color:#fff}.btn--secondary:hover{background:var(--secondary-soft);color:#fff}.btn--outline{border-color:var(--primary);color:var(--primary);background:0 0}.btn--outline:hover{background:var(--primary);color:#fff}.btn--light{color:var(--secondary);background:#fff}.btn--light:hover{color:var(--secondary);background:#e2e8f0}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s;overflow:hidden}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}.field{flex-direction:column;gap:6px;margin-bottom:20px;display:flex}.field label{color:var(--secondary);font-weight:600}.field input,.field select,.field textarea{color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px 16px;font-family:inherit;font-size:1rem;transition:border-color .2s}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #01aeee33}.field__error{color:var(--error);font-size:.875rem}.opacity-enter-active,.opacity-leave-active{transition:opacity .2s}.opacity-enter-from,.opacity-leave-to{opacity:0}.app-badge{letter-spacing:.02em;text-transform:uppercase;border-radius:999px;align-items:center;padding:3px 10px;font-size:.72rem;font-weight:700;line-height:1.4;display:inline-flex}.app-badge--ia{color:#7c3aed;background:#8b5cf624}.app-badge--quiz{color:#0284c7;background:#01aeee24}.app-badge--atividade{color:#16a34a;background:#22c55e24}.app-badge--livro{color:#d97706;background:#f59e0b29}.app-badge--default{color:var(--text-muted);background:#64748b24}.card-skeleton{border-radius:var(--radius-lg);border:1px solid var(--border);background:linear-gradient(100deg,var(--surface) 30%,#01aeee14 50%,var(--surface) 70%);background-size:200% 100%;min-height:360px;animation:1.4s ease-in-out infinite card-skeleton-shimmer}@keyframes card-skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media (prefers-reduced-motion:reduce){.card-skeleton{animation:none}}.error-page[data-v-6fcd599e]{flex-direction:column;min-height:100vh;display:flex}.error-page__main[data-v-6fcd599e]{flex:1;align-items:center;padding:72px 0;display:flex}.error-page__content[data-v-6fcd599e]{text-align:center}.error-page__code[data-v-6fcd599e]{color:var(--primary);margin-bottom:8px;font-size:clamp(4rem,10vw,7rem);font-weight:800;line-height:1}.error-page__text[data-v-6fcd599e]{color:var(--text-muted);margin-bottom:32px}