html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

.form-floating>.form-control-plaintext::placeholder,
.form-floating>.form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating>.form-control-plaintext:focus::placeholder,
.form-floating>.form-control:focus::placeholder {
  text-align: start;
}

/* Option Chain Specifics */
.option-chain-table th {
  position: sticky;
  top: 0;
  z-index: 10;
  background-color: #f8f9fa;
  text-align: center;
  font-size: 0.85rem;
}

.option-chain-table td {
  vertical-align: middle;
  text-align: center;
  font-size: 0.85rem;
  padding: 0.25rem;
}

/* Call/Put Backgrounds */
.bg-ce-itm {
  background-color: rgba(255, 243, 205, 0.4);
}

/* Light Yellow */
.bg-pe-itm {
  background-color: rgba(255, 243, 205, 0.4);
}

.bg-otm {
  background-color: #fff;
}

/* Mobile Optimization */
@media (max-width: 768px) {
  .container {
    padding-left: 5px;
    padding-right: 5px;
  }

  /* Force horizontal scroll on tables */
  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .option-chain-table {
    font-size: 0.75rem;
  }

  .card-body {
    padding: 0.5rem;
  }

  /* Hide less critical columns on very small screens if needed */
  .hide-mobile {
    display: none;
  }
}

/* Global Frost Effect for Dropdowns */
.dropdown-menu {
  background-color: rgba(30, 33, 41, 0.7) !important;
  /* Semi-transparent dark base */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.dropdown-item {
  color: #e9ecef;
  /* Light text for dark/transparent bg */
  transition: background-color 0.2s ease;
}

.dropdown-item:hover,
.dropdown-item:focus {
  background-color: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.dropdown-divider {
  border-top-color: rgba(255, 255, 255, 0.1);
}

/* --- Select2 Frost Theme --- */

/* Selection Box */
.select2-container--default .select2-selection--single {
  background-color: rgba(30, 33, 41, 0.7);
  /* Frost Base */
  border: 1px solid var(--bs-border-color);
  border-radius: 4px;
  height: 38px;
  /* Match Bootstrap standard */
  display: flex;
  align-items: center;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
  color: var(--bs-body-color);
  line-height: normal;
  padding-left: 12px;
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
  height: 36px;
  top: 1px;
}

/* Dropdown Menu (Frost) */
.select2-dropdown {
  background-color: rgba(30, 33, 41, 0.85) !important;
  /* Slightly more opaque for readability */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  color: #e9ecef;
}

/* Search Box */
.select2-search__field {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  border-radius: 3px;
}

/* Options */
.select2-results__option {
  color: #e9ecef;
  padding: 8px 12px;
}

.select2-results__option--highlighted.select2-results__option--selectable {
  background-color: rgba(41, 98, 255, 0.2);
  /* Soft primary highlight */
  color: #fff;
}

.select2-results__option--selected {
  background-color: rgba(41, 98, 255, 0.4);
  color: #fff;
}

/* Simulator Highlight (Frost) */
.translucent-highlight {
  background-color: rgba(41, 98, 255, 0.15) !important;
  /* Soft blue tint */
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  color: #fff !important;
  font-weight: 600;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}