/* Reset box-sizing and remove default margin/padding */
* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

/* General body style */
body {
  width: 380px;
  margin: 0 auto;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* Main title */
h1 {
  font-size: 18px;
  margin-bottom: 10px;
  margin-top: 10px;
}

/* Tabs container for developments/projects */
#empreendimentos-tabs {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: #e0e0e0 #fff;
  margin-bottom: 16px;
  padding-bottom: 2px;
}

/* Custom scrollbar for tabs */
#empreendimentos-tabs::-webkit-scrollbar {
  height: 6px;
}
#empreendimentos-tabs::-webkit-scrollbar-thumb {
  background: #e0e0e0;
  border-radius: 4px;
}

/* Tab buttons */
.tab-btn {
  flex: 0 0 auto;
  padding: 8px 16px;
  background: #eee;
  border: none;
  border-radius: 6px 6px 0 0;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  margin: 0;
  white-space: nowrap;
  transition: background .17s, color .17s;
}

/* Active tab */
.tab-btn.active {
  background: #fff;
  border-bottom: 2px solid #47c768;
  color: #47c768;
}

/* Main view container for the building */
#predio-view {
  width: 100%;
  max-width: 100vw;
  margin: 0 auto;
  box-sizing: border-box;
  padding: 0 4px;
}

/* Grid for building apartments */
.building-grid {
  display: grid;
  grid-template-columns: repeat(var(--per-floor, 6), 1fr);
  gap: 4px; /* Matches gridGap in JS */
  width: 100%;
  box-sizing: border-box;
  padding: 0;
}

/* Individual apartment box */
.apt {
  width: 100%;
  aspect-ratio: 1;
  background: rgb(31, 41, 55);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: #fff;
  font-size: 10px;
  box-sizing: border-box;
  user-select: none;
  transition: background 0.2s;
  border: 1px solid rgb(75, 85, 99);
  position: relative; /* Needed for :after */
}

/* Sold apartment visual style */
.apt.sold {
  background: #facc15;
  color: #a00;
  text-decoration: line-through;
}

/* Sold checkmark icon (appears in bottom-right) */
.apt.sold:after {
  content: "✓";
  position: absolute;
  right: 1px;
  bottom: 0;
  font-size: 10px;
  color: #000;
}

/* Notification button */
#notificar-btn {
  background: #47c768;
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 7px 16px;
  font-size: 15px;
  cursor: pointer;
  margin-bottom: 18px;
}
#notificar-btn:active {
  background: #349e4d;
}

/* Mobile responsiveness for screens <= 400px */
@media (max-width: 400px) {
  body {
    width: 100%;
  }
  #predio-view {
    padding: 0 2vw;
  }
  .building-grid {
    padding: 1vw;
    gap: 1px;
  }
  .apt {
    font-size: 3vw;
  }
}