/* estilo.css — design system Aprender, mobile-first, sem framework (paint imediato). */

:root {
  --aprender: #055441;
  --aprender-dark: #033a2d;
  --aprender-light: #0a7a5e;
  --aprender-50: #f0f7f0;
  --aprender-100: #dceee5;
  --amber: #f59e0b;
  --amber-50: #fffbeb;
  --amber-100: #fef3c7;
  --amber-700: #b45309;
  --red: #dc2626;
  --red-50: #fef2f2;
  --red-200: #fecaca;
  --green-100: #dcfce7;
  --green-700: #15803d;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --raio: 0.75rem;
  --raio-sm: 0.5rem;
  --sombra: 0 1px 2px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.08);
  --toque: 48px; /* alvo mínimo de toque (acessibilidade/mobile) */
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--gray-50);
  color: var(--gray-900);
  font-family:
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ---------- cabeçalho ---------- */
.cabecalho {
  background: var(--aprender);
  color: #fff;
  padding: calc(0.75rem + env(safe-area-inset-top)) 1rem 0.75rem;
  padding-left: max(1rem, env(safe-area-inset-left));
  padding-right: max(1rem, env(safe-area-inset-right));
}
.cabecalho-conteudo {
  max-width: 64rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}
.marca {
  font-size: 1.1rem;
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.marca .destaque {
  color: #fcd34d;
}
.marca .ano {
  color: var(--aprender-100);
  font-weight: 600;
}
/* logo dourada do evento (sobre o verde do cabeçalho) */
.marca-logo {
  display: block;
  height: 2.1rem;
  width: auto;
}
@media (min-width: 640px) {
  .marca-logo {
    height: 2.4rem;
  }
}
/* logo no cartão do QR (fundo branco) */
.qr-logo {
  display: block;
  height: 3rem;
  width: auto;
  margin: 0 auto 0.5rem;
}
.cabecalho-sub {
  font-size: 0.75rem;
  color: var(--aprender-100);
  margin: 0;
}
@media (max-width: 480px) {
  .cabecalho-sub {
    display: none;
  }
}

/* ---------- layout ---------- */
main {
  flex: 1;
  width: 100%;
}
.container {
  width: 100%;
  max-width: 34rem;
  margin: 0 auto;
  padding: 1.25rem 1rem calc(1.25rem + env(safe-area-inset-bottom));
  padding-left: max(1rem, env(safe-area-inset-left));
  padding-right: max(1rem, env(safe-area-inset-right));
}
.container-largo {
  max-width: 64rem;
}
.rodape {
  max-width: 64rem;
  margin: 0 auto;
  padding: 1.25rem 1rem;
  text-align: center;
  font-size: 0.72rem;
  color: var(--gray-400);
}

/* ---------- cartão ---------- */
.cartao {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--raio);
  box-shadow: var(--sombra);
  padding: 1.25rem;
}
.cartao + .cartao {
  margin-top: 0.75rem;
}
@media (min-width: 640px) {
  .cartao {
    padding: 1.5rem;
  }
}

.titulo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--aprender);
  margin: 0;
  letter-spacing: -0.02em;
}
.subtitulo {
  font-size: 0.9rem;
  color: var(--gray-500);
  margin: 0.35rem 0 0;
}

/* ---------- formulário ---------- */
.campo {
  margin-top: 1rem;
}
.rotulo {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.35rem;
}
.rotulo .obrig {
  color: var(--red);
}
.entrada,
.selecao,
.area {
  width: 100%;
  min-height: var(--toque);
  padding: 0.7rem 0.85rem;
  font-size: 1rem; /* >=16px evita zoom automático no iOS */
  font-family: inherit;
  color: var(--gray-900);
  background: #fff;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--raio-sm);
  transition:
    border-color 0.15s,
    box-shadow 0.15s;
  -webkit-appearance: none;
  appearance: none;
}
.selecao {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  padding-right: 2.5rem;
}
.area {
  min-height: 6rem;
  resize: vertical;
  line-height: 1.55;
}
.entrada:focus,
.selecao:focus,
.area:focus {
  outline: none;
  border-color: var(--aprender-light);
  box-shadow: 0 0 0 3px rgba(10, 122, 94, 0.18);
}
.entrada[aria-invalid='true'],
.selecao[aria-invalid='true'],
.area[aria-invalid='true'] {
  border-color: var(--red);
}
.ajuda {
  font-size: 0.78rem;
  color: var(--gray-500);
  margin: 0.4rem 0 0;
}
.erro-campo {
  font-size: 0.82rem;
  color: var(--red);
  margin: 0.35rem 0 0;
  font-weight: 600;
}
.contador {
  font-size: 0.72rem;
  color: var(--gray-400);
  text-align: right;
  margin: 0.3rem 0 0;
}
.grade-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: start;
}
@media (min-width: 520px) {
  .grade-2 {
    grid-template-columns: 1fr 1fr;
    gap: 0.9rem;
  }
}

/* honeypot */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ---------- botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: var(--toque);
  padding: 0.7rem 1.25rem;
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  border-radius: var(--raio-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition:
    background 0.15s,
    border-color 0.15s,
    opacity 0.15s;
  -webkit-appearance: none;
  appearance: none;
  text-decoration: none;
}
.btn:focus-visible {
  outline: 3px solid var(--aprender-light);
  outline-offset: 2px;
}
.btn-primario {
  background: var(--aprender);
  color: #fff;
}
.btn-primario:hover {
  background: var(--aprender-dark);
}
.btn-primario:disabled {
  opacity: 0.6;
  cursor: wait;
}
.btn-contorno {
  background: #fff;
  border-color: var(--aprender);
  color: var(--aprender);
}
.btn-contorno:hover {
  background: var(--aprender-50);
}
.btn-neutro {
  background: #fff;
  border-color: var(--gray-300);
  color: var(--gray-700);
}
.btn-neutro:hover {
  background: var(--gray-100);
}
.btn-bloco {
  width: 100%;
}
.btn-sm {
  min-height: 40px;
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
}

/* ---------- feedback ---------- */
.aviso {
  border-radius: var(--raio-sm);
  padding: 0.65rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 1rem;
}
.aviso-erro {
  background: var(--red-50);
  border: 1px solid var(--red-200);
  color: #b91c1c;
}
.aviso-amarelo {
  background: var(--amber-50);
  border: 1px solid var(--amber-100);
  color: var(--amber-700);
}

.selo {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.15rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.72rem;
  font-weight: 700;
  white-space: nowrap;
}
.selo-verde {
  background: var(--green-100);
  color: var(--green-700);
}
.selo-amarelo {
  background: var(--amber-100);
  color: var(--amber-700);
}
.selo-cinza {
  background: var(--gray-100);
  color: var(--gray-600);
}
.selo-aprender {
  background: var(--aprender-100);
  color: var(--aprender);
}

/* ---------- sucesso ---------- */
.sucesso {
  text-align: center;
}
.sucesso-emoji {
  font-size: 3rem;
  margin: 0;
}
.protocolo {
  font-size: 0.75rem;
  color: var(--gray-400);
  margin-top: 0.75rem;
}

/* ---------- spinner ---------- */
.spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: 4px solid var(--aprender-100);
  border-top-color: var(--aprender);
  border-radius: 50%;
  margin: 2.5rem auto;
  animation: girar 0.8s linear infinite;
}
@keyframes girar {
  to {
    transform: rotate(360deg);
  }
}
@keyframes pulso {
  50% {
    opacity: 0.3;
  }
}
.vivo {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #22c55e;
  animation: pulso 2s ease-in-out infinite;
}
.vivo.off {
  background: var(--red);
}

/* ---------- apresentador ---------- */
.topo-dash {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}
.acoes-dash {
  display: flex;
  gap: 0.5rem;
}
.barra-rolagem {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.35rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.pilula {
  flex-shrink: 0;
  min-height: 40px;
  padding: 0.45rem 0.85rem;
  border-radius: 9999px;
  border: 1.5px solid var(--gray-300);
  background: #fff;
  color: var(--gray-600);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}
.pilula.ativa {
  background: var(--aprender);
  border-color: var(--aprender);
  color: #fff;
}
.pilula.status-ativa {
  background: var(--gray-800);
  border-color: var(--gray-800);
  color: #fff;
}

.cartao-pergunta {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--raio);
  box-shadow: var(--sombra);
  padding: 1rem;
}
.cartao-pergunta + .cartao-pergunta {
  margin-top: 0.75rem;
}
.cartao-pergunta.nova {
  box-shadow: 0 0 0 2px var(--amber);
}
.linha-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--gray-500);
}
.linha-meta .quando {
  margin-left: auto;
}
.texto-pergunta {
  margin: 0.6rem 0 0;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--gray-900);
  white-space: pre-line;
  overflow-wrap: anywhere;
}
.autor {
  margin: 0.6rem 0 0;
  font-size: 0.85rem;
  color: var(--gray-600);
}
.autor b {
  color: var(--gray-800);
}
.acoes-pergunta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.85rem;
}

/* ---------- toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(1rem + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  background: var(--gray-900);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.6rem 1rem;
  border-radius: var(--raio-sm);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  z-index: 50;
  max-width: calc(100% - 2rem);
}

.oculto {
  display: none !important;
}

/* ---------- QR ---------- */
.qr-cartao {
  text-align: center;
  border: 2px solid var(--aprender);
}
.qr-alvo {
  display: flex;
  justify-content: center;
  margin: 1rem 0;
}
.qr-alvo img,
.qr-alvo canvas {
  width: 260px;
  height: 260px;
  max-width: 100%;
}
.qr-url {
  font-size: 0.75rem;
  color: var(--gray-400);
  word-break: break-all;
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ---------- impressão (página do QR) ---------- */
@media print {
  .cabecalho,
  .rodape,
  .sem-impressao {
    display: none !important;
  }
  body {
    background: #fff;
  }
  .qr-cartao {
    border: none;
    box-shadow: none;
  }
}