/* ============================================================
   DESAFIO R$ 20.100 — estilo "caderneta de economia"
   ============================================================ */

:root {
  --verde-ledger: #0B3D2E;
  --verde-ledger-claro: #155446;
  --papel: #FBF6EA;
  --papel-escuro: #F1E6CF;
  --azul-tinta: #1B3A5C;
  --vermelho-carimbo: #C1432D;
  --dourado: #D9A441;
  --texto: #2B2620;
  --linha: #E3D7BC;
  --sombra: rgba(11, 61, 46, 0.25);
  --raio: 16px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: 'DM Sans', sans-serif;
  background-color: var(--verde-ledger);
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.06) 1px, transparent 0);
  background-size: 22px 22px;
  color: var(--texto);
  min-height: 100vh;
  padding: 20px 12px 60px;
  -webkit-font-smoothing: antialiased;
}

/* ----------------------------------------------------------
   Cartão principal (a "caderneta")
   ---------------------------------------------------------- */
.pagina {
  max-width: 960px;
  margin: 0 auto;
  background: var(--papel);
  border-radius: var(--raio);
  box-shadow: 0 18px 50px var(--sombra);
  overflow: hidden;
}

/* Capa */
.capa {
  background: var(--verde-ledger);
  color: var(--papel);
  padding: 28px 24px 40px;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  position: relative;
}

.capa__selo {
  flex: 0 0 auto;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--dourado);
  color: var(--verde-ledger);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 1.05rem;
  border: 3px solid var(--papel);
}

.capa__texto { flex: 1 1 auto; min-width: 0; }

.capa__eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--dourado);
}

.capa__titulo {
  margin: 0.18em 0 0;
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: clamp(1.5rem, 5vw, 2.4rem);
  line-height: 1.1;
}

.capa__sub {
  margin: 0.4em 0 0;
  font-size: 0.92rem;
  opacity: 0.85;
}

.capa__sair {
  flex: 0 0 auto;
  color: var(--papel);
  font-size: 0.8rem;
  text-decoration: underline;
  align-self: flex-start;
  white-space: nowrap;
}

/* Furos de encadernação, separando a capa do miolo */
.furos {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 12px;
  display: flex;
  justify-content: space-evenly;
  padding: 0 22px;
  pointer-events: none;
}

.furos span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--papel);
}

/* ----------------------------------------------------------
   Saldo / progresso
   ---------------------------------------------------------- */
.saldo {
  padding: 28px 24px 22px;
  border-bottom: 1px dashed var(--linha);
}

.saldo__topo {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.saldo__bloco {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.saldo__label {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--azul-tinta);
  opacity: 0.65;
}

.saldo__valor {
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: clamp(1.8rem, 6vw, 2.6rem);
  color: var(--verde-ledger);
  line-height: 1.15;
}

.saldo__metaTexto {
  font-size: 0.8rem;
  color: var(--azul-tinta);
  opacity: 0.6;
}

.saldo__nivel {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--papel-escuro);
  border: 1px solid var(--linha);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--verde-ledger);
}

.saldo__nivelEmoji { font-size: 1.2rem; }

.saldo__barra {
  position: relative;
  height: 18px;
  background: var(--papel-escuro);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--linha);
}

.saldo__preenchido {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--verde-ledger), var(--dourado));
  border-radius: 999px;
  transition: width 0.6s ease;
}

.saldo__marco {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(43, 38, 32, 0.18);
  transition: background 0.4s ease;
}

.saldo__marco.atingido {
  background: var(--dourado);
  box-shadow: 0 0 6px var(--dourado);
}

.saldo__rodape {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--azul-tinta);
}

.saldo__percentual {
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  color: var(--vermelho-carimbo);
}

/* ----------------------------------------------------------
   Status (marcados / restantes / sequência)
   ---------------------------------------------------------- */
.status {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--linha);
  border-bottom: 1px dashed var(--linha);
}

.status__item {
  background: var(--papel);
  padding: 16px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
}

.status__item strong {
  font-family: 'Space Mono', monospace;
  font-size: 1.3rem;
  color: var(--verde-ledger);
}

.status__item span {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--azul-tinta);
  opacity: 0.7;
}

/* ----------------------------------------------------------
   Quadro de números
   ---------------------------------------------------------- */
.quadro { padding: 24px; }

.quadro__cabecalho h2 {
  font-family: 'Fraunces', serif;
  margin: 0 0 4px;
  font-size: 1.3rem;
  color: var(--verde-ledger);
}

.quadro__cabecalho p {
  margin: 0 0 18px;
  font-size: 0.86rem;
  color: var(--azul-tinta);
  opacity: 0.8;
}

.board {
  display: grid;
  grid-template-columns: repeat(20, 1fr);
  gap: 4px;
}

.cell {
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--papel);
  border: none;
  border-bottom: 2px solid var(--linha);
  border-radius: 4px;
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: clamp(0.6rem, 2.2vw, 0.85rem);
  color: var(--azul-tinta);
  cursor: pointer;
  padding: 0;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.cell:hover {
  background: var(--papel-escuro);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(11, 61, 46, 0.12);
}

.cell:focus-visible {
  outline: 3px solid var(--dourado);
  outline-offset: 2px;
}

.cell__num { position: relative; z-index: 1; }

.cell__carimbo {
  position: absolute;
  inset: 8%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--vermelho-carimbo);
  border-radius: 50%;
  color: var(--vermelho-carimbo);
  font-size: 0.55em;
  font-weight: 700;
  letter-spacing: 0.04em;
  opacity: 0;
  transform: scale(1.5) rotate(-14deg);
  mix-blend-mode: multiply;
  pointer-events: none;
}

.cell.is-marked {
  background: var(--papel-escuro);
}

.cell.is-marked .cell__num {
  text-decoration: line-through;
  opacity: 0.45;
}

.cell.is-marked .cell__carimbo {
  opacity: 0.85;
  transform: scale(1) rotate(-12deg);
}

.cell.stamp-novo .cell__carimbo {
  animation: carimbar 0.35s ease-out;
}

@keyframes carimbar {
  0%   { opacity: 0;   transform: scale(1.8) rotate(-12deg); }
  60%  { opacity: 1;   transform: scale(0.85) rotate(-12deg); }
  100% { opacity: 0.85; transform: scale(1) rotate(-12deg); }
}

@media (max-width: 640px) {
  .board { grid-template-columns: repeat(10, 1fr); gap: 3px; }
}

/* ----------------------------------------------------------
   Histórico
   ---------------------------------------------------------- */
.historico { padding: 0 24px 24px; }

.historico h2 {
  font-family: 'Fraunces', serif;
  font-size: 1.1rem;
  color: var(--verde-ledger);
  margin: 0 0 10px;
}

.historico__lista {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.historico__lista li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.85rem;
  padding: 8px 12px;
  background: var(--papel-escuro);
  border-radius: 8px;
}

.historico__lista li.historico__vazio {
  justify-content: center;
  color: var(--azul-tinta);
  opacity: 0.6;
}

.historico__valor {
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  color: var(--verde-ledger);
}

.historico__valor.desmarcado {
  color: var(--vermelho-carimbo);
  text-decoration: line-through;
}

.historico__quando {
  color: var(--azul-tinta);
  opacity: 0.7;
  white-space: nowrap;
}

/* ----------------------------------------------------------
   Rodapé
   ---------------------------------------------------------- */
.rodape {
  padding: 18px 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
  border-top: 1px dashed var(--linha);
}

.rodape__nota {
  margin: 0;
  font-size: 0.78rem;
  color: var(--azul-tinta);
  opacity: 0.8;
}

.rodape__nota code {
  background: var(--papel-escuro);
  padding: 2px 5px;
  border-radius: 4px;
}

/* ----------------------------------------------------------
   Botões
   ---------------------------------------------------------- */
.btn {
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 10px 22px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.12s ease;
}

.btn--primario { background: var(--verde-ledger); color: var(--papel); }
.btn--primario:hover { background: var(--verde-ledger-claro); }

.btn--ghost {
  background: transparent;
  border: 2px solid var(--vermelho-carimbo);
  color: var(--vermelho-carimbo);
}
.btn--ghost:hover { background: rgba(193, 67, 45, 0.08); }

.btn:active { transform: scale(0.97); }

/* ----------------------------------------------------------
   Modal de confirmação
   ---------------------------------------------------------- */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(11, 61, 46, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 50;
}

.modal[hidden] {
  display: none;
}

.modal__caixa {
  background: var(--papel);
  border-radius: var(--raio);
  padding: 26px 24px;
  max-width: 360px;
  width: 100%;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  text-align: center;
}

.modal__titulo {
  font-family: 'Fraunces', serif;
  margin: 0 0 8px;
  color: var(--verde-ledger);
  font-size: 1.3rem;
}

.modal__texto {
  margin: 0 0 20px;
  color: var(--texto);
  font-size: 0.95rem;
  line-height: 1.5;
}

.modal__acoes {
  display: flex;
  gap: 10px;
  justify-content: center;
}

/* ----------------------------------------------------------
   Toast
   ---------------------------------------------------------- */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--verde-ledger);
  color: var(--papel);
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 60;
  max-width: 90vw;
  text-align: center;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ----------------------------------------------------------
   Tela de login (PIN)
   ---------------------------------------------------------- */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-card {
  background: var(--papel);
  border-radius: var(--raio);
  padding: 32px 28px;
  max-width: 320px;
  width: 100%;
  text-align: center;
  box-shadow: 0 18px 50px var(--sombra);
}

.login-selo {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--dourado);
  color: var(--verde-ledger);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  margin: 0 auto 14px;
}

.login-titulo {
  font-family: 'Fraunces', serif;
  margin: 0 0 6px;
  color: var(--verde-ledger);
  font-size: 1.4rem;
}

.login-sub {
  margin: 0 0 22px;
  font-size: 0.9rem;
  color: var(--azul-tinta);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.login-input {
  font-family: 'Space Mono', monospace;
  font-size: 1.4rem;
  text-align: center;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--linha);
  letter-spacing: 0.4em;
}

.login-erro {
  color: var(--vermelho-carimbo);
  font-size: 0.85rem;
  margin-top: 14px;
}

/* ----------------------------------------------------------
   Acessibilidade
   ---------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}