:root {
  --verde: #14532d;
  --verde-claro: #dcfce7;
  --fundo: #f6f4ee;
  --texto: #1c1917;
  --suave: #57534e;
  --borda: #e7e5e4;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fundo: #0f1a14;
    --texto: #f5f5f4;
    --suave: #a8a29e;
    --borda: #292524;
    --verde-claro: #14532d;
  }
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; background: var(--fundo); color: var(--texto); font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
[hidden] { display: none !important; }
.tela { min-height: 100dvh; }

/* Início e bloqueio */
.inicio { max-width: 420px; margin: 0 auto; padding: 32px 20px calc(32px + env(safe-area-inset-bottom)); text-align: center; display: flex; flex-direction: column; align-items: center; min-height: 100dvh; justify-content: center; }
.capa { width: min(62vw, 260px); aspect-ratio: 800 / 1131; object-fit: cover; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,.25); background: var(--borda); margin-bottom: 24px; }
h1 { font-size: 1.6rem; line-height: 1.2; margin: 0 0 8px; }
.sub { color: var(--suave); margin: 0 0 24px; line-height: 1.5; }
.btn { display: block; width: 100%; padding: 16px; border: 0; border-radius: 14px; background: var(--verde); color: #fff; font-size: 1.05rem; font-weight: 600; text-align: center; text-decoration: none; cursor: pointer; margin-bottom: 10px; }
.btn:active { transform: scale(.98); }
.btn-sec { background: transparent; color: var(--texto); border: 1.5px solid var(--borda); }
.btn-receita { background: var(--verde-claro); color: var(--texto); border: 1.5px solid var(--verde); }
.prog-texto { color: var(--suave); font-size: .9rem; margin-top: 6px; }
.cadeado { font-size: 3.5rem; margin-bottom: 12px; }

/* Leitor */
#paginas { max-width: 760px; margin: 0 auto; padding-bottom: calc(76px + env(safe-area-inset-bottom)); }
.pag { display: block; width: 100%; aspect-ratio: 800 / 1131; background: var(--borda); }
.pag img { display: block; width: 100%; height: 100%; }
.barra { position: fixed; left: 0; right: 0; bottom: 0; display: flex; align-items: center; justify-content: center; gap: 6px; padding: 8px 12px calc(10px + env(safe-area-inset-bottom)); background: var(--fundo); border-top: 1px solid var(--borda); z-index: 5; }
.barra .contador { min-width: 84px; text-align: center; font-weight: 600; font-variant-numeric: tabular-nums; }
#barra-prog { position: absolute; left: 0; top: -1px; height: 3px; width: 100%; }
#barra-prog i { display: block; height: 100%; width: 0; background: var(--verde); transition: width .2s; }
.icone { width: 46px; height: 46px; border-radius: 12px; border: 1px solid var(--borda); background: transparent; color: var(--texto); font-size: 1.4rem; cursor: pointer; }
.icone:active { background: var(--verde-claro); }

/* Índice */
.topo-indice { position: sticky; top: 0; display: flex; align-items: center; gap: 12px; padding: 10px 14px; background: var(--fundo); border-bottom: 1px solid var(--borda); z-index: 2; }
.topo-indice h2 { margin: 0; font-size: 1.1rem; }
#grade { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 14px; max-width: 760px; margin: 0 auto; }
@media (min-width: 560px) { #grade { grid-template-columns: repeat(5, 1fr); } }
.mini { position: relative; border: 2px solid transparent; border-radius: 8px; overflow: hidden; padding: 0; background: var(--borda); cursor: pointer; aspect-ratio: 800 / 1131; }
.mini img { width: 100%; height: 100%; display: block; }
.mini span { position: absolute; right: 4px; bottom: 4px; background: rgba(0,0,0,.65); color: #fff; font-size: .72rem; padding: 1px 6px; border-radius: 8px; }
.mini.atual { border-color: var(--verde); }
.mini.lida::after { content: "✓"; position: absolute; left: 4px; top: 4px; background: var(--verde); color: #fff; width: 18px; height: 18px; border-radius: 50%; font-size: .72rem; display: grid; place-items: center; }

/* Login */
.logo { width: 84px; height: 84px; border-radius: 20px; margin-bottom: 20px; }
.campo { width: 100%; padding: 16px; border: 1.5px solid var(--borda); border-radius: 14px; background: transparent; color: var(--texto); font-size: 1.2rem; text-align: center; margin-bottom: 12px; }
.campo:focus { outline: 2px solid var(--verde); border-color: transparent; }
.erro { width: 100%; background: #fee2e2; color: #7f1d1d; padding: 10px 14px; border-radius: 12px; font-size: .92rem; margin-bottom: 12px; text-align: left; }
@media (prefers-color-scheme: dark) { .erro { background: #450a0a; color: #fecaca; } }
.aviso-login { margin: 0 0 16px; color: #000; font-size: 1.2rem; font-weight: 700; line-height: 1.3; }
#form-login h1 { color: var(--verde); }
@media (prefers-color-scheme: dark) { .aviso-login { color: #fff; } #form-login h1 { color: #86efac; } }
.campo::placeholder { color: var(--suave); opacity: 1; }
.link { background: none; border: 0; color: var(--suave); font-size: .9rem; text-decoration: underline; cursor: pointer; padding: 12px; margin-top: 8px; }
.btn[disabled] { opacity: .6; cursor: default; }

/* Início: título só para leitores de tela (o nome já está na capa) e rótulo dos atalhos */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.rotulo { width: 100%; display: flex; align-items: center; gap: 14px; margin: 28px 0 14px; color: var(--verde); font-size: 1.25rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.rotulo::before, .rotulo::after { content: ""; flex: 1; height: 2px; border-radius: 2px; background: var(--verde); opacity: .35; }
@media (prefers-color-scheme: dark) { .rotulo { color: #86efac; } .rotulo::before, .rotulo::after { background: #86efac; } }

/* Capa clicável (leva ao mesmo lugar que "Começar a ler") */
.capa-btn { display: block; padding: 0; border: 0; background: none; line-height: 0; cursor: pointer; border-radius: 12px; }
.capa-btn:active .capa { transform: scale(.98); }
.capa-btn:focus-visible { outline: 3px solid var(--verde); outline-offset: 3px; }
.capa { transition: transform .1s; }

/* capa se ajusta à altura da tela, para o início caber sem rolar */
.capa { width: auto; height: min(42dvh, 370px); margin-bottom: 20px; }
#tela-inicio .inicio { padding-top: 18px; padding-bottom: calc(14px + env(safe-area-inset-bottom)); }
#tela-inicio .rotulo { margin: 22px 0 12px; }

/* ===== Tratamentos Naturais ===== */
#form-login h1 { color: var(--verde); }
@media (prefers-color-scheme: dark) { #form-login h1 { color: #86efac; } }

/* Meus tratamentos */
.produtos { max-width: 520px; margin: 0 auto; padding: 26px 18px calc(28px + env(safe-area-inset-bottom)); text-align: center; }
.logo-peq { width: 56px; height: 56px; border-radius: 14px; }
.titulo-area { font-size: 1.6rem; color: var(--verde); margin: 10px 0 4px; }
.sub-area { margin: 0 0 20px; color: var(--suave); font-size: 1.05rem; }
@media (prefers-color-scheme: dark) { .titulo-area { color: #86efac; } }
.titulo-interesse { margin: 30px 0 16px; font-size: 1.05rem; text-transform: uppercase; letter-spacing: .05em; color: var(--verde); padding-top: 22px; border-top: 1px solid var(--borda); }
@media (prefers-color-scheme: dark) { .titulo-interesse { color: #86efac; } }
.grade-grupo { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; align-items: start; }
.card-prod { display: flex; flex-direction: column; align-items: center; gap: 8px; background: none; border: 0; padding: 0; color: var(--texto); cursor: pointer; font: inherit; }
.card-prod:active { transform: scale(.98); }
.capa-wrap { position: relative; display: block; width: 100%; aspect-ratio: 420 / 594; border-radius: 10px; overflow: hidden; box-shadow: 0 6px 18px rgba(0,0,0,.22); background: var(--borda); }
.capa-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-prod.bloqueado .capa-wrap img { filter: grayscale(.55) brightness(.6); }
.cadeado-card { position: absolute; inset: 0; display: grid; place-items: center; font-size: 3.2rem; text-shadow: 0 2px 8px rgba(0,0,0,.6); }
.card-titulo { font-weight: 700; font-size: 1.02rem; line-height: 1.25; }
.card-acao { font-size: .95rem; font-weight: 700; color: #fff; background: var(--verde); border-radius: 999px; padding: 6px 18px; }
.card-prod.bloqueado .card-acao { background: transparent; color: var(--verde); border: 2px solid var(--verde); padding: 4px 16px; }
@media (prefers-color-scheme: dark) { .card-prod.bloqueado .card-acao { color: #86efac; border-color: #86efac; } }

.voltar { align-self: flex-start; background: none; border: 0; color: var(--verde); font-size: 1.05rem; font-weight: 700; padding: 6px 0 10px; cursor: pointer; }
@media (prefers-color-scheme: dark) { .voltar { color: #86efac; } }

/* Bíblia: topo, busca e lista */
.topo-livro { position: sticky; top: 0; z-index: 3; display: flex; align-items: center; gap: 10px; padding: 10px 12px; background: var(--fundo); border-bottom: 1px solid var(--borda); }
.topo-livro h2 { margin: 0; font-size: 1rem; line-height: 1.2; flex: 1; }
.fonte { display: flex; gap: 6px; }
.fonte .icone { width: 48px; font-size: 1.05rem; font-weight: 700; }
.livro-corpo { max-width: 680px; margin: 0 auto; padding: 16px 16px calc(24px + env(safe-area-inset-bottom)); }
.antes { margin: 18px 0 0; }
.antes summary { cursor: pointer; list-style: none; font-size: 1.05rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--verde); padding: 14px 16px; border: 1px solid var(--borda); border-radius: 12px; display: flex; justify-content: space-between; align-items: center; }
.antes summary::-webkit-details-marker { display: none; }
.antes summary::after { content: '▾'; font-size: 1.2rem; transition: transform .2s; }
.antes[open] summary::after { transform: rotate(180deg); }
.antes[open] summary { margin-bottom: 8px; }
@media (prefers-color-scheme: dark) { .antes summary { color: #86efac; } }
.item-cont { padding-bottom: 28px; margin-bottom: 28px; border-bottom: 2px solid var(--borda); }
#continuo-fim { height: 80px; }
.btn-voltar-txt { background: var(--verde); color: #fff; border-color: var(--verde); width: auto !important; padding: 0 14px; font-size: 1.05rem; font-weight: 700; white-space: nowrap; }
.flutuante { position: fixed; right: 14px; bottom: calc(18px + env(safe-area-inset-bottom)); z-index: 5; border: 0; border-radius: 999px; padding: 14px 18px; font-size: 1rem; font-weight: 700; color: #fff; background: var(--verde); box-shadow: 0 4px 14px rgba(0,0,0,.35); cursor: pointer; }
.btn-inteiro { width: 100%; margin: 18px 0 4px; }
.capa-livro { display: block; width: min(62%, 240px); height: auto; margin: 4px auto 20px; border-radius: 6px; box-shadow: 0 6px 18px rgba(0,0,0,.25); }
.busca-rotulo { display: block; font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.busca { width: 100%; padding: 16px; border: 2px solid var(--verde); border-radius: 14px; background: transparent; color: var(--texto); font-size: 1.15rem; margin-bottom: 14px; }
.busca-cab { color: var(--suave); margin: 4px 0 8px; }
.lista-titulo { font-size: 1.05rem; text-transform: uppercase; letter-spacing: .05em; color: var(--verde); margin: 22px 0 8px; }
@media (prefers-color-scheme: dark) { .lista-titulo { color: #86efac; } }
.item-lista { display: block; width: 100%; text-align: left; background: transparent; color: var(--texto); border: 1px solid var(--borda); border-radius: 12px; padding: 14px; margin-bottom: 8px; cursor: pointer; font: inherit; }
.item-lista:active { background: var(--verde-claro); }
.il-nome { display: block; font-size: 1.15rem; font-weight: 700; }
.il-cient { display: block; font-style: italic; color: var(--suave); margin-top: 2px; }
.chip { display: inline-block; margin: 8px 6px 0 0; padding: 4px 10px; border-radius: 999px; background: var(--verde-claro); font-size: .92rem; }

/* Bíblia: leitura de uma planta */
.planta { max-width: 680px; margin: 0 auto; padding: 18px 18px 8px; line-height: 1.6; }
.planta .p-nome { font-size: 1.7em; margin: 0 0 4px; color: var(--verde); }
.planta .p-cient { font-style: italic; color: var(--suave); margin: 0 0 18px; font-size: 1.1em; }
@media (prefers-color-scheme: dark) { .planta .p-nome { color: #86efac; } }
.planta .bloco { margin: 0 0 18px; }
.planta .bloco p { margin: 0; }
.planta h3 { margin: 0 0 6px; font-size: 1.05em; }
.planta h3.prob { color: var(--verde); }
@media (prefers-color-scheme: dark) { .planta h3.prob { color: #86efac; } }
.planta .bloco.aviso { background: #fef3c7; color: #422006; border-radius: 12px; padding: 12px 14px; }
.planta .bloco.receita { background: var(--verde-claro); border-radius: 12px; padding: 12px 14px; }
.planta .bloco.achado { outline: 3px solid #f59e0b; outline-offset: 4px; border-radius: 6px; }
.planta .foto { display: block; width: 100%; max-width: 520px; height: auto; margin: 0 auto 18px; border-radius: 12px; }
.planta a { color: var(--verde); word-break: break-all; }
.planta-nav { max-width: 680px; margin: 0 auto; padding: 8px 18px calc(28px + env(safe-area-inset-bottom)); display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.planta-nav .btn { margin: 0; display: flex; flex-direction: column; gap: 2px; padding: 12px; }
.planta-nav .btn small { font-weight: 400; font-size: .8rem; opacity: .85; }
.planta-nav .btn[disabled] { visibility: hidden; }