:root {
  --fundo: #fdfdfd;
  --azul-cip: #1e2f69;
  --azul-hover: #314489;
  --texto: #111;
  --borda: #ccc;
  --suave: #fafafa;
  --feedback: #eefaf0;
  --feedback-borda: #bde5d6;
  --monospace: monospace;
}

body {
  font-family: sans-serif;
  background: var(--fundo);
  color: var(--texto);
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1em;
  line-height: 1.6;
}

h1, h2 {
  color: var(--azul-cip);
}

h2 {
  font-size: 1.9em;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  text-align: center;
}

p {
  text-align: center;
  color: #333;
}

.banner-horizontal {
  background: var(--suave);
  padding: 1em 1em;
  border-bottom: 1px solid var(--borda);
  margin-bottom: 1rem;
  text-align: center;
}

.banner-linha {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  text-decoration: none;
}

.banner-linha img {
  height: 96px;
  max-height: 120px;
  width: auto;
  object-fit: contain;
}

.banner-titulo {
  font-size: 2.3em;
  font-weight: 700;
  color: var(--azul-cip);
  line-height: 1.2;
}

.bloco-cip {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
  text-align: center;
}

form {
  padding: 2em;
  margin: 2rem auto;
  background: var(--suave);
  border: 1px solid var(--borda);
  border-radius: 12px;
  max-width: 640px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4em;
  color: var(--azul-cip);
}

input[type="file"],
input[type="text"] {
  width: 100%;
  font-size: 1rem;
  padding: 0.6em;
  margin-bottom: 1.2em;
  border: 1px solid #999;
  border-radius: 6px;
  box-sizing: border-box;
}

button {
  padding: 0.75em 2em;
  font-size: 1.1em;
  font-weight: 600;
  border-radius: 8px;
  background: var(--azul-cip);
  color: white;
  cursor: pointer;
  transition: background-color 0.3s ease;
  min-width: 160px;
}

button:hover {
  background: var(--azul-hover);
}

.grid-duplas {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;                  /* mais espaçamento entre botões */
  margin: 1.5rem auto 0;
  max-width: 680px;             /* largura máxima para centralizar e não esticar demais */
}

a.botao-link {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 120px;            /* altura uniforme */
  padding: 1.4em 1.2em;         /* mais respiro vertical */
  font-size: 1.05rem;
  text-align: center;
  line-height: 1.4;             /* melhora a legibilidade do subtítulo */
  border-radius: 8px;
  background-color: var(--azul-cip);
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: background-color 0.3s ease;
}

a.botao-link strong {
  font-size: 1.4rem;
  font-weight: 600;             /* título mais firme */
  margin-bottom: 0.6em;         /* separa o título do subtítulo */
}

a.botao-link:hover {
  background-color: var(--azul-hover);
}

a.botao-link span {
  font-size: 0.85em;
  font-weight: 400;
  max-width: 90%;               /* evita encostar nas bordas */
}

/* Mais específico: combina as duas classes */
.botao-link.botao-link-pequeno {
  min-height: 80px !important;   /* força a altura menor */
  padding: 0.8em 1em !important; /* menos espaço interno */
  font-size: 1rem;
}

.botao-link.botao-link-pequeno strong {
  font-size: 1.1rem;
  margin-bottom: 0.4em;
}

.mensagem {
  margin-top: 1.5em;
  padding: 1em;
  border-radius: 8px;
  font-family: var(--monospace);
  font-size: 0.95em;
  white-space: pre-wrap;
  overflow-x: auto;
  background: var(--feedback);
  border: 1px solid var(--feedback-borda);
}

.painel-resultado {
  margin-top: 2em;
  border-radius: 12px;
  padding: 0;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.painel-interno {
  padding: 1.5em;
  border-radius: 12px;
  border: 1px solid var(--borda);
  background-color: var(--suave);
  color: var(--texto);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.painel-interno.intacto {
  background-color: #e6f4ea;
  border-color: #bde5d6;
  color: #1e4620;
}

.painel-interno.corrompido {
  background-color: #fdecea;
  border-color: #f5c2c7;
  color: #842029;
}

.resultado-detalhes {
  font-family: var(--monospace);
  font-size: 0.75rem;
  line-height: 1.3;
  margin-top: 1rem;
  margin-bottom: 0.5em;
  white-space: pre-wrap;
  word-break: break-word;
  background: #f9f9f9;
  border: 1px dashed var(--borda);
  border-radius: 8px;
  padding: 0.75rem;
  color: #333;
}

.links-download {
  margin-top: 1.25rem;
  padding-left: 1.25rem;
}

.download-link {
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5em;
  margin: 0.3em 0;
  text-decoration: none;
  color: var(--azul-cip);
}

.download-link:hover {
  text-decoration: underline;
}

.observacao-final {
  font-size: 0.85rem;
  margin-top: 2em;
  color: #444;
}

.hidden {
  display: none !important;
}

.lista-cip {
  list-style-position: inside;
  padding-left: 0;
  max-width: 600px;
  margin: 0 auto;
  text-align: left;
}

.conteudo {
  max-width: 800px;
  margin: 2rem auto;
  padding: 1rem;
  line-height: 1.7;
  font-size: 1.1rem;
}

.formula-destaque {
  text-align: center;
  font-size: 1.5em;
  font-weight: bold;
  margin: 2rem 0;
}
.bloco-cip {
  max-width: 800px;
  margin: auto;
  padding: 2rem;
  text-align: justify;
  font-size: 1.1rem;
  line-height: 1.6;
}
.botao-voltar {
  display: block;
  margin: 1.5rem auto;  /* centraliza horizontalmente */
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  background-color: #1a2d5e;
  color: white;
  border-radius: 5px;
  text-decoration: none;
  text-align: center;
  width: fit-content;
  transition: background-color 0.3s ease;
}

.botao-voltar:hover {
  background-color: #132349;
}

.botao-destaque {
  display: inline-block;
  background-color: #1a2d5e;
  color: white;
  padding: 0.7em 1.4em;
  margin: 1em 0;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.2s ease;
}

.botao-destaque:hover {
  background-color: #132349;
}

h2 {
  text-align: center;
  margin-top: 2rem;
  font-size: 1.8rem;
}

h1, h2 {
  color: #1f3266;
  text-align: center;
}

.grade-videos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.card-video {
  text-align: center;
  border: 1px solid #ccc;
  border-radius: 8px;
  padding: 1rem;
  transition: box-shadow 0.3s ease;
  background-color: #f9f9f9;
}

.card-video:hover {
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
}

.card-video img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.card-video a {
  text-decoration: none;
  font-weight: bold;
  color: #004466;
}

.tabela-pos-quantica {
  margin: 2rem auto;
  border-collapse: collapse;
  width: 90%;
  max-width: 700px;
  font-size: 1.05rem;
  text-align: center;
  background-color: #fdfdfd;
}

.tabela-pos-quantica th,
.tabela-pos-quantica td {
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid #ccc;
}

.tabela-pos-quantica th {
  background-color: #f9f9f9;
  font-weight: 700;
}

.tabela-pos-quantica tr:last-child td {
  border-bottom: none;
}

footer.rodape {
  text-align: center;
  font-size: 0.9rem;
  color: #777;
  margin-top: 3em;
  padding-top: 2em;
  border-top: 1px solid var(--borda);
}

.downloads-grid,
.opcoes-grid {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.painel-quickstart, .painel-1bit, .painel-sha {
  background: #fff;
  border-top: 4px solid #1a237e; /* azul CIP */
  padding: 2.5rem;
  margin: 3rem auto;
  border-radius: 10px;
  max-width: 960px;
  box-shadow: 0 8px 30px rgba(0,0,0,.06);
  text-align: center;
}

.painel-quickstart h2, .painel-1bit h2, .painel-sha h2 { color:#1a237e; margin:0 0 1rem; }

.grid-2 {
  display: grid; gap: 1.5rem; grid-template-columns: 1fr 1fr;
  align-items: start; justify-items: stretch; text-align: left;
}
@media (max-width: 860px){ .grid-2 { grid-template-columns: 1fr; } }

.cartao {
  background: #f7f8fb; border: 1px solid #e6e8f0; border-radius: 10px; padding: 1.25rem;
}
.cartao h3 { margin: 0 0 .5rem; color: #1a237e; text-align: center; }

pre { background: #111; color:#f1f1f1; padding: .8rem 1rem; border-radius: 8px; overflow:auto; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; }

.nota { font-size: .95rem; color:#444; margin-top: .5rem; }

.hashes { margin-top: .75rem; font-size: .95rem; }
.hashes code { background: #fff3e0; color:#bf360c; padding: .2rem .4rem; border-radius: 4px; }