#app { max-width:1200px; margin:0 auto; padding:24px; }
.topbar { display:flex; gap:16px; align-items:center; padding:12px 0 24px; border-bottom:1px solid var(--border); margin-bottom:24px; flex-wrap:wrap; }
.topbar h1 { font-family:var(--font-serif); font-size:28px; margin:0; flex:1; }
.topbar input[type=search] { padding:8px 12px; border:1px solid var(--border); border-radius:6px; background:var(--panel); color:var(--fg); min-width:240px; }
.topbar button, .topbar a { padding:6px 12px; border:1px solid var(--border); border-radius:6px; background:var(--panel); color:var(--fg); cursor:pointer; font:inherit; }
.card { background:var(--panel); border:1px solid var(--border); border-radius:8px; padding:16px; display:block; color:var(--fg); }
.grid { display:grid; gap:16px; }
.grid.continuar { grid-template-columns:repeat(auto-fill, minmax(180px, 1fr)); }
.categorias-tree ul { list-style:none; padding-left:20px; }
.categorias-tree li { padding:4px 0; }
.categorias-tree .count { color:var(--muted); font-size:12px; }
.subcat-head { font-weight:600; color:var(--muted); margin:20px 0 8px; text-transform:uppercase; font-size:12px; letter-spacing:0.5px; }
.livro-row { padding:10px 0; border-bottom:1px solid var(--border); display:flex; gap:12px; color:var(--fg); }
.livro-row:hover { background:var(--panel); }
.livro-row .meta { color:var(--muted); font-size:13px; }
.serie-fold { background:var(--panel); border-left:3px solid var(--accent); padding:10px 14px; margin:8px 0; border-radius:4px; }
.login-box { max-width:360px; margin:80px auto; padding:32px; }
.login-box input { display:block; width:100%; box-sizing:border-box; padding:10px; margin:8px 0; border:1px solid var(--border); border-radius:4px; background:var(--panel); color:var(--fg); font:inherit; }
.login-box button { width:100%; padding:12px; background:var(--accent); color:#fff; border:0; border-radius:4px; font-weight:600; cursor:pointer; }
.boot { color:var(--muted); text-align:center; padding:80px 0; }
.err { color:#c00; }

/* ---- App bar partilhada ---- */
.appbar { display:flex; align-items:center; gap:16px; padding:12px 0; margin-bottom:8px; border-bottom:1px solid var(--border); flex-wrap:wrap; }
.appbar .brand { font-family:var(--font-serif); font-size:24px; font-weight:600; color:var(--fg); }
.appbar .brand:hover { text-decoration:none; }
.appbar-search { flex:1; min-width:200px; margin:0; }
.appbar-search input { width:100%; box-sizing:border-box; padding:9px 16px; border:1px solid var(--border); border-radius:999px; background:var(--panel); color:var(--fg); font:inherit; }
.appbar-nav { display:flex; align-items:center; gap:6px; }
.appbar-nav a { color:var(--muted); padding:6px 10px; border-radius:6px; }
.appbar-nav a:hover { color:var(--fg); background:var(--panel); text-decoration:none; }
.icon-btn { border:1px solid var(--border); background:var(--panel); color:var(--fg); border-radius:6px; padding:6px 12px; cursor:pointer; font:inherit; line-height:1; }
.icon-btn:hover { border-color:var(--accent); }
.crumbs { font-size:13px; color:var(--muted); margin:0 0 22px; display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
.crumbs .sep { opacity:0.45; }
.crumbs [aria-current] { color:var(--fg); }

/* ---- Secções ---- */
.section-head { display:flex; align-items:baseline; justify-content:space-between; gap:12px; margin:32px 0 14px; }
.section-head h2 { font-family:var(--font-serif); font-size:22px; margin:0; font-weight:600; }
.section-head a { font-size:13px; }
.home-cols { display:grid; grid-template-columns:2fr 1fr; gap:32px; margin-top:8px; }

/* ---- Capas geradas ---- */
.cover { position:relative; aspect-ratio:2/3; border-radius:6px; overflow:hidden; padding:14px 12px 12px; display:flex; flex-direction:column;
  background:linear-gradient(150deg, var(--c1), var(--c2)); box-shadow:0 2px 6px rgba(0,0,0,0.25), inset 0 0 0 1px rgba(255,255,255,0.06); color:#f3ece0; }
.cover-stripe { position:absolute; top:0; left:0; bottom:0; width:5px; background:var(--ca); }
.cover-title { font-family:var(--font-serif); font-size:15px; line-height:1.22; font-weight:600; margin-left:6px;
  display:-webkit-box; -webkit-line-clamp:5; -webkit-box-orient:vertical; overflow:hidden; }
.cover-author { margin-top:auto; padding-top:10px; font-size:11px; opacity:0.82; margin-left:6px; letter-spacing:0.2px;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.progress-bar { position:absolute; left:0; right:0; bottom:0; height:4px; background:rgba(0,0,0,0.4); }
.progress-bar > i { display:block; height:100%; background:var(--ca); }

/* ---- Estante (grelha de capas) ---- */
.shelf { display:grid; grid-template-columns:repeat(auto-fill, minmax(128px, 1fr)); gap:22px 16px; }
.book { display:block; color:var(--fg); }
.book:hover { text-decoration:none; }
.book .cover { margin-bottom:8px; transition:transform .12s ease, box-shadow .12s ease; }
.book:hover .cover { transform:translateY(-3px); box-shadow:0 8px 20px rgba(0,0,0,0.3); }
.book .b-title { font-size:13px; line-height:1.3; font-weight:600; }
.book .b-author { font-size:12px; color:var(--muted); }

/* rail horizontal para "continuar a ler" */
.rail { display:grid; grid-auto-flow:column; grid-auto-columns:130px; gap:16px; overflow-x:auto; padding-bottom:10px; scroll-snap-type:x proximity; }
.rail .book { scroll-snap-align:start; }

/* ---- Foco acessível ---- */
:focus-visible { outline:2px solid var(--accent); outline-offset:2px; border-radius:4px; }

/* ---- Barra de estatísticas (home) ---- */
.stats { display:flex; flex-wrap:wrap; gap:10px; margin:4px 0 8px; }
.stat { background:var(--panel); border:1px solid var(--border); border-radius:8px; padding:10px 16px; }
.stat b { font-family:var(--font-serif); font-size:20px; display:block; line-height:1.1; }
.stat span { font-size:12px; color:var(--muted); text-transform:uppercase; letter-spacing:0.4px; }
.link-btn { background:none; border:0; color:var(--accent); font:inherit; cursor:pointer; padding:0; }
.link-btn:hover { text-decoration:underline; }

/* ---- Resultados de pesquisa (linhas com excerto) ---- */
.filter-chips { display:flex; flex-wrap:wrap; gap:8px; margin:0 0 20px; }
.chip { border:1px solid var(--border); background:var(--panel); color:var(--fg); border-radius:999px; padding:5px 12px; font-size:13px; cursor:pointer; }
.chip:hover { border-color:var(--accent); }
.chip.active { background:var(--accent); color:#fff; border-color:var(--accent); }
.result { display:grid; grid-template-columns:46px 1fr; gap:14px; padding:14px 0; border-bottom:1px solid var(--border); color:var(--fg); align-items:start; }
.result:hover { text-decoration:none; }
.result:hover .r-title { color:var(--accent); }
.result .cover { aspect-ratio:2/3; }
.result .cover-title { font-size:9px; -webkit-line-clamp:4; }
.result .cover-author { display:none; }
.r-title { font-family:var(--font-serif); font-size:17px; font-weight:600; }
.r-meta { font-size:13px; color:var(--muted); margin:2px 0 6px; }
.r-tag { display:inline-block; font-size:11px; color:var(--muted); border:1px solid var(--border); border-radius:4px; padding:1px 6px; margin-left:6px; }
.r-snippet { font-size:14px; line-height:1.5; color:var(--fg); opacity:0.9; }
.r-snippet mark { background:var(--hl-yellow); color:inherit; padding:0 1px; border-radius:2px; }

/* ---- Skeletons de carregamento ---- */
.sk { position:relative; overflow:hidden; background:var(--panel); border-radius:6px; }
.sk::after { content:""; position:absolute; inset:0; transform:translateX(-100%);
  background:linear-gradient(90deg, transparent, var(--border), transparent); animation:sk 1.3s ease-in-out infinite; opacity:0.7; }
.sk-cover { aspect-ratio:2/3; }
.sk-line { height:11px; margin-top:7px; border-radius:3px; }
.sk-line.short { width:55%; }
@keyframes sk { 100% { transform:translateX(100%); } }
@media (prefers-reduced-motion: reduce) { .sk::after { animation:none; } }

/* ---- Mobile ---- */
@media (max-width:720px) {
  #app { padding:16px; }
  .home-cols { grid-template-columns:1fr; gap:24px; }
  .appbar { gap:10px; }
  .appbar .brand { font-size:20px; }
  .appbar-search { order:3; flex-basis:100%; min-width:0; }
  .appbar-nav a { padding:6px 6px; }
  .shelf { grid-template-columns:repeat(auto-fill, minmax(100px, 1fr)); gap:18px 12px; }
}