body {
  background-color: #000;
  font-family: 'Inter', sans-serif;
}

/* Placeholder styling */
.form-control::placeholder {
  color: #6c757d !important;
  opacity: 0.7;
}

.form-control:focus::placeholder {
  color: #adb5bd !important;
  opacity: 0.5;
}

/* Image loading blur effect */
.img-loading {
  filter: blur(5px);
  transition: filter 0.3s ease-in-out;
}

.nav-link {
  font-weight: 500;
}

.navbar-brand {
  letter-spacing: 0.5px;
}

.btn {
  border-radius: 12px;
}

h1,
h5 {
  color: #fff;
}

.text-secondary {
  color: #999 !important;
}


.table-wrapper {
  overflow-y: auto;
  border: 1px solid #444;
  border-radius: 8px;
}

.sheets-table {
  width: 100%;
  border-collapse: collapse;
  font-family: 'Inter', sans-serif;
}

.sheets-table th,
.sheets-table td {
  border: 1px solid #333;
  padding: 8px 12px;
  text-align: left;
  background-color: #111;
  color: white;
  min-width: 80px;
}

.sheets-table thead th {
  background-color: #222;
  font-weight: 600;
}

.sheets-table tbody th {
  background-color: #1a1a1a;
  font-weight: 500;
  text-align: center;
}

code.language-formula {
  font-family: monospace;
  font-size: 0.95rem;
  white-space: pre-wrap;
  word-break: break-word;
  color: #fff;
}