/*
  Reset e tokens de design
  - Mantém seletores existentes
  - Atualiza visual com base na paleta já usada (#00857e, #1a6168, #0f0f0f, #d63031)
*/

:root {
  --bg: #f5f5f5;
  --surface: #ffffff;
  --text: #0f0f0f;
  --muted: #5f6b6b;
  --primary: #00857e; /* teal principal */
  --primary-dark: #1a6168; /* topo/cabeçalho */
  --error: #d63031;
  --border: #e3e7ea;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 6px 18px -8px rgba(0,0,0,0.2);
  --shadow-md: 0 14px 34px -12px rgba(0,0,0,0.28);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body { height: 100%; overflow: hidden; }

body {
  font-family: 'Raleway', sans-serif;
  color: var(--text);
  /* Plano de fundo com listras diagonais sutis + gradientes suaves */
  background:
    repeating-linear-gradient(135deg, rgba(0,133,126,0.06) 0 2px, rgba(0,133,126,0) 2px 20px),
    radial-gradient(1600px 800px at 120% -10%, rgba(0,133,126,0.06), transparent 60%),
    radial-gradient(1200px 600px at -20% 110%, rgba(26,97,104,0.06), transparent 60%),
    linear-gradient(180deg, #f8fbfb 0%, #f4f8f8 100%);
  background-position: center, center, center, center;
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Ocupar a viewport sem permitir scroll */
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: 100svh;
  overscroll-behavior: none;
}

/* Cabeçalho */
header {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  padding: 10px 0; /* preserva altura próxima ao original */
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

/* Seção principal */
section {
  width: 100%;
  padding: 24px 16px;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 0;
  overflow: hidden; /* evita scroll por elementos decorativos */
}

.row {
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.row:not(:last-child) { margin-bottom: 20px; }

/* Títulos */
h2 {
  color: var(--primary-dark);
  font-weight: 600;
  letter-spacing: 0.2px;
  text-align: center;
  padding: 0 12px;
  margin: 6px 0 14px;
  font-size: clamp(26px, 2.2vw + 1rem, 36px);
}

h2::after {
  content: "";
  display: block;
  width: 72px;
  height: 4px;
  margin: 10px auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
  opacity: 0.9;
}

/* Formulário como "card" */
form {
  width: 100%;
  max-width: 520px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 18px 16px; /* mais compacto */
  min-height: 220px; /* caixa branca mais baixa */
  box-shadow: var(--shadow-sm);
  margin-bottom: 26px;
  position: relative;
  backdrop-filter: saturate(130%) blur(2px);
  display: flex;
  flex-direction: column;
  align-items: center; /* centraliza conteúdo dentro do card */
  gap: 6px;
}

form::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 14px;
  right: 14px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
  opacity: 0.85;
}

form label {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: #2c2f31;
  text-align: center;
  width: 100%;
}

form div.form-group {
  width: 100%;
  margin-bottom: 10px; /* menos espaço entre campos e botão */
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

form input {
  width: 100%;
  padding: 12px 44px 12px 14px; /* espaço para ícone */
  font-size: 17px;
  color: var(--text);
  background: #fff;
  border: 1px solid #cfd6da;
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
  margin-top: 6px;
  text-align: center; /* centraliza o texto dentro do input */
}

form input::placeholder {
  color: #98a3a8;
}

form input:hover:not(:disabled) {
  background: #fcfdfd;
  border-color: #b9c3c8;
}

form input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,133,126,0.15);
}

form input:disabled {
  border: 1px solid #d8dee2;
  background-color: #eff3f5;
  color: #7a8288;
  cursor: not-allowed;
}

/* Estados de validação */
form input.valido {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px rgba(0,133,126,0.14);
}

form input.valido:focus { border-color: var(--primary); }

form input.valido:disabled {
  cursor: not-allowed;
  border-color: rgba(0,133,126,0.45) !important;
  box-shadow: none;
}

form input.invalido {
  border-color: var(--error) !important;
  box-shadow: 0 0 0 3px rgba(214,48,49,0.14);
}

form input.invalido:focus { border-color: var(--error); }

/* Ícones internos */
.icon-inside, .icon-inside2 { position: relative; }

.icon-inside i,
.icon-inside2 i {
  position: absolute;
  right: 0;
  margin-right: 14px;
  top: 50%; /* centraliza verticalmente em relação ao input */
  transform: translateY(-50%);
  padding: 6px 4px;
  color: transparent; /* controlado via JS */
  pointer-events: none;
}

form small {
  display: none; /* não reserva espaço quando oculto */
  width: 100%;
  font-size: 12px;
  font-weight: 600;
  color: #2c2f31;
  padding: 4px 6px 0;
  line-height: 1.4;
  visibility: hidden;
}

/* exibe quando válido/inválido via classe */
form small.valido { color: var(--primary); display: block; visibility: visible; }

form small.invalido {
  color: var(--error);
  visibility: visible;
  display: block;
}

/* mantém compatibilidade: quando JS muda inline para visibility: visible, exibe */
form small[style*="visibility: visible"] { display: block; }

#error-name,
#error-cpf,
#error-codigo1,
#error-codigo2,
#error-codigo3,
#error-codigo4,
#error-codigo5 { visibility: hidden; }

/* Manter campos de código visíveis quando existirem */
form input#inputCodigo1,
form input#inputCodigo2,
form input#inputCodigo3,
form input#inputCodigo4,
form input#inputCodigo5 { visibility: visible !important; }

form input#inputNome { margin-top: 6px; }

/* Ações */
div.div-btn { text-align: center; margin-top: 4px; }

.botaocertificado {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #fff;
  text-transform: uppercase;
  padding: 14px 26px;
  border: none;
  border-radius: 999px;
  background-image: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, opacity 0.2s ease, filter 0.2s ease;
  box-shadow: 0 10px 24px -10px rgba(0,133,126,0.55);
  position: relative;
  overflow: hidden;
}

.botaocertificado:hover:not([disabled]) {
  transform: translateY(-1px);
  filter: brightness(1.02);
}

.botaocertificado:active:not([disabled]) { transform: translateY(0); }

.botaocertificado:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0,133,126,0.25), 0 12px 26px -12px rgba(0,0,0,0.35);
}

.botaocertificado:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.botaocertificado::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.18), rgba(255,255,255,0) 60%);
  opacity: 0.0;
  transition: opacity 0.2s ease;
}

.botaocertificado:hover::after { opacity: 0.12; }

/* Texto e mensagens */
p {
  width: 100%;
  color: var(--primary-dark);
  font-size: 16px;
  line-height: 1.6;
  text-align: center;
  padding: 0 18px;
}

div.row a img { margin-top: 18px; border-radius: 8px; box-shadow: var(--shadow-sm); }

div.row a img {
  transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
}

div.row a:hover img,
div.row a:focus-visible img {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  filter: saturate(1.02);
}

#msg-erro {
  display: none;
  width: 100%;
  color: #fff;
  background-color: var(--error);
  padding: 12px 18px;
  border-radius: 8px;
  margin-top: 12px;
  box-shadow: 0 10px 24px -12px rgba(214,48,49,0.5);
  border-left: 4px solid rgba(255,255,255,0.8);
}

/* Rodapé */
footer {
  width: 100%;
  background-color: #0f0f0f;
  padding: 18px 12px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
}

footer p {
  font-size: 14px;
  color: #f0f3f4;
  margin: 8px 0;
}

footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
  opacity: 0.7;
}

/* Responsividade */
@media (max-width: 520px) {
  form { padding: 18px 14px; border-radius: 10px; }
  .botaocertificado { width: 100%; }
  .icon-inside i, .icon-inside2 i { top: 36px; }
}

/* Ajustes para telas com pouca altura para evitar overflow e manter sem scroll */
@media (max-height: 700px) {
  header { padding: 8px 0; }
  .row { gap: 10px; }
  h2 { font-size: clamp(22px, 2vw + 0.8rem, 30px); margin: 2px 0 8px; }
  form { padding: 14px 14px 12px; min-height: 0; }
  form label { font-size: 13px; }
  form input { padding: 10px 40px 10px 12px; font-size: 16px; }
  .icon-inside i, .icon-inside2 i { top: 34px; }
  .botaocertificado { padding: 12px 20px; font-size: 15px; }
  p { font-size: 14px; padding: 0 12px; }
  footer { padding: 12px 10px; }
}

@media (max-height: 520px) {
  header { padding: 6px 0; }
  h2 { font-size: clamp(20px, 1.6vw + 0.8rem, 26px); }
  form { padding: 12px; min-height: 0; }
  .botaocertificado { padding: 10px 18px; font-size: 14px; }
  p { display: none; } /* oculta texto auxiliar para caber tudo */
}

/* Acessibilidade: reduzir movimento */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}

/* Shapes decorativos no background da seção */
section::before,
section::after {
  content: "";
  position: absolute;
  pointer-events: none;
  z-index: -1;
  filter: blur(22px);
}

section::before {
  width: 420px;
  height: 420px;
  top: -120px;
  right: -120px;
  background:
    radial-gradient(circle at 30% 30%, rgba(0,133,126,0.18), transparent 60%),
    radial-gradient(circle at 70% 70%, rgba(26,97,104,0.12), transparent 65%);
  transform: rotate(5deg);
}

section::after {
  width: 520px;
  height: 520px;
  bottom: -160px;
  left: -140px;
  background:
    radial-gradient(circle at 65% 35%, rgba(0,133,126,0.14), transparent 60%),
    radial-gradient(circle at 30% 70%, rgba(26,97,104,0.1), transparent 65%);
  transform: rotate(-8deg);
}