:root {
  --bg: #0f172a;
  --card: #111827;
  --accent: #22c55e;
  --accent-soft: rgba(34,197,94,0.15);
  --text: #e5e7eb;
  --muted: #9ca3af;
  --border: #1f2937;
  --danger: #f97373;
  /* ATUALIZADO: Cores mais claras e esbranquiçadas para destaque nos quartos 1, 2, 7, 11 */
  --special-room-bg: rgba(255, 255, 255, 0.1); /* Fundo cinza esbranquiçado com opacidade */
  --special-room-border: #a1a1a1; /* Borda em um cinza claro */
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #1f2937 0, #020617 55%);
  color: var(--text);
  padding: 16px;
}

.app {
  max-width: 1100px;
  margin: 0 auto;
}

h1, h2, h3 {
  margin: 0 0 8px;
}

h1 {
  text-align: center;
  margin-bottom: 16px;
}

.section {
  background: rgba(15,23,42,0.9);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 18px 40px rgba(0,0,0,0.2);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.section-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

/* === MAIN TITLE (Fundo de Praia) === */
.main-title {
  background-image: url("img/header-praia.png");
  background-size: cover;
  background-position: center;
  padding: 40px 15px;
  border-radius: 14px;
  color: #ffffff;
  font-weight: 700;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
  font-size: 2rem;
  margin-bottom: 24px;
}

/* === BADGE === */
.badge {
  background: var(--accent);
  color: var(--bg);
  padding: 4px 8px;
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

/* === INPUTS / TEXTAREA === */
input[type="date"],
input[type="text"],
input[type="number"],
textarea {
  width: 100%;
  padding: 10px;
  margin-top: 5px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  color: var(--text);
  font-size: 1rem;
}

input[type="number"].manut-qty {
    width: 60px;
    text-align: center;
}

input:focus, textarea:focus {
  border-color: var(--accent);
  outline: none;
}

textarea {
  min-height: 80px;
  resize: vertical;
}

/* === GRID LAYOUTS === */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.rooms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
  margin-top: 10px;
}

/* === HELPER TEXT / WARNINGS === */
.helper-text {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.warning {
  color: var(--danger);
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 10px;
  display: none;
}

.warning.visible {
    display: block;
}

/* === BUTTONS === */
.btn-main {
  width: 100%;
  padding: 15px;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
  margin-top: 16px;
}

.btn-main:hover {
  background: #10b981; /* Darker accent */
}

/* === LISTAS DE BEBIDAS / PETISCOS === */
.drinks-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
  margin-bottom: 16px;
}

.drink-item {
  background: var(--card);
  padding: 8px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.95rem;
  transition: background 0.2s, border-color 0.2s;
}

.drink-item:has(input:checked) {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

.drink-item input[type="checkbox"],
.drink-item input[type="radio"] {
  width: auto;
  margin: 0;
  accent-color: var(--accent);
}

/* === MANUTENÇÃO LISTA === */
.manut-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 12px;
}

.manut-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.manut-item .drink-item {
    flex-grow: 1;
    border-radius: 8px;
    padding: 10px 12px;
}
.manut-item .manut-qty {
    width: 60px;
    flex-shrink: 0;
}
.manut-item .manut-qty:disabled {
    background: #0d121c; /* Slightly darker when disabled */
    cursor: not-allowed;
    opacity: 0.6;
}

/* === QUARTOS === */
.room-card {
  background: var(--card);
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  transition: border 0.2s, background 0.2s;
}

/* ESTILO PARA OS QUARTOS EM DESTAQUE (1, 2, 7, 11) - MAIS CLARO */
.room-card.special-room {
  background: var(--special-room-bg); 
  border: 1px solid var(--special-room-border); 
}

.room-card:has(.room-occupied:checked) {
  border-color: var(--accent);
  box-shadow: 0 0 8px rgba(34,197,94,0.3);
}

.room-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 5px;
}

/* CONTAINER DO NÚMERO E NOME (lado esquerdo) */
.room-header .room-number-floor {
    display: flex;
    flex-direction: row; 
    align-items: baseline;
    gap: 8px;
}

.room-number {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--muted);
  line-height: 1;
  flex-shrink: 0;
}

.room-name {
  font-weight: 600;
  font-size: 1rem;
  line-height: 1;
  margin: 0;
}

.room-checkbox {
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 0;
}

.floor-title {
  font-weight: 700;
  color: var(--muted);
  margin-top: 20px;
  margin-bottom: 15px; 
  font-size: 0.85rem;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  padding-bottom: 3px;
  display: block;
  /* NOVO: Força a ocupar a largura total do grid, tirando-o do fluxo de colunas dos quartos */
  grid-column: 1 / -1; 
}

.guest-area {
  margin-top: 10px;
  border-top: 1px solid var(--border);
  padding-top: 10px;
}

.guest-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.guest-row .guest-name {
  flex: 1;
}

.guest-type-option {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: 0.8rem;
  opacity: 0.9;
}

/* === CARDÁPIO POR DIA === */
.day-card {
  background: var(--card);
  padding: 15px;
  border-radius: 10px;
  margin-bottom: 12px;
  border: 1px solid var(--border);
}

.date-label {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--accent);
}

.meal-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 16px;
}

.subheading {
  font-weight: 600;
  font-size: 1rem;
  display: block;
  margin-top: 12px;
  margin-bottom: 4px;
}

/* ================================================= */
/* === SISTEMA DE ABAS (Correção Mobile) === */
/* ================================================= */

/* Container dos botões */
.tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg); 
}

/* Estilo base do botão */
.tab-btn {
  padding: 10px 18px;
  border: none;
  background: none;
  color: var(--muted);
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  transition: color 0.2s, background 0.2s;
  border-radius: 8px;
  flex-grow: 1; 
  max-width: 33.3%; 
  text-align: center;
}

/* Estilo do botão ativo */
.tab-btn.active {
  color: var(--text);
  background: var(--accent-soft);
  box-shadow: 0 2px 0 0 var(--accent); 
}

/* Esconde o conteúdo da aba por padrão */
.tab-content {
  display: none;
}

/* MOSTRA APENAS O CONTEÚDO DA ABA ATIVA */
.tab-content.active {
  display: block;
}


/* ================================================= */
/* === RESPONSIVIDADE (MEDIA QUERIES) === */
/* ================================================= */

@media (max-width: 600px) {
  /* Ajuste de padding na borda da tela */
  body {
    padding: 10px;
  }
  
  /* Reduz o padding interno das seções */
  .section {
    padding: 12px;
  }
  
  /* Ajusta o padding e fonte do título principal */
  .main-title {
      padding: 30px 10px;
      font-size: 1.5rem;
  }

  /* Garante que o grid de datas/entradas se quebre no mobile */
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* Ajusta os botões de abas para telas menores */
  .tab-btn {
      font-size: 0.85rem;
      padding: 8px 10px;
      margin: 0 2px;
  }
  
  /* Garante que o grid de quartos tenha pelo menos 1 coluna */
  .rooms-grid {
      grid-template-columns: 1fr;
  }

  /* Ajusta o alinhamento da lista de manutenção no mobile */
  .manut-item .drink-item {
      padding: 8px 10px;
  }
}