/* Note: Bootstrap 2 Classic maps the app UI to the old beveled Bootstrap 2 control language. */
:root {
  --bs-border-radius: 4px;
  --bs-border-radius-sm: 3px;
  --bs-border-radius-lg: 5px;
  --bs-font-sans-serif: "Helvetica Neue", Arial, sans-serif;
}

[data-bs-theme="light"] {
  --bs-body-bg: #f5f5f5;
  --bs-body-color: #333333;
  --bs-primary: #006dcc;
  --bs-primary-rgb: 0, 109, 204;
  --bs-secondary-bg: #eeeeee;
  --bs-secondary-bg-rgb: 238, 238, 238;
  --bs-secondary-color: #555555;
  --bs-tertiary-bg: #ffffff;
  --bs-border-color: #c8c8c8;
  --bs-link-color: #0088cc;
}

[data-bs-theme="dark"] {
  --bs-body-bg: #1f252b;
  --bs-body-color: #e6e6e6;
  --bs-primary: #4aa3df;
  --bs-primary-rgb: 74, 163, 223;
  --bs-secondary-bg: #2f363d;
  --bs-secondary-bg-rgb: 47, 54, 61;
  --bs-secondary-color: #c7d0d8;
  --bs-tertiary-bg: #252b31;
  --bs-border-color: #4a535c;
  --bs-link-color: #6bbdf0;
}

/* Note: Bootstrap 2 surfaces were simple grey panels with subtle inset highlights. */
.card,
.dropdown-menu,
.modal-content,
.surface-section,
.smart-setting-row,
.table,
.toast {
  background-image: linear-gradient(#ffffff, #f7f7f7);
  border: 1px solid var(--bs-border-color);
  border-radius: 4px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55), 0 1px 2px rgba(0, 0, 0, 0.08);
}

[data-bs-theme="dark"] .card,
[data-bs-theme="dark"] .dropdown-menu,
[data-bs-theme="dark"] .modal-content,
[data-bs-theme="dark"] .surface-section,
[data-bs-theme="dark"] .smart-setting-row,
[data-bs-theme="dark"] .table,
[data-bs-theme="dark"] .toast {
  background-image: linear-gradient(#303840, #252c33);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 1px 2px rgba(0, 0, 0, 0.25);
}

.btn {
  border-color: rgba(0, 0, 0, 0.22);
  border-radius: 4px;
  border-width: 1px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.38), 0 1px 2px rgba(0, 0, 0, 0.08);
  font-weight: 600;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.25);
  transition: background-color .15s ease, border-color .15s ease, box-shadow .15s ease, color .15s ease;
}

.btn:hover {
  filter: none;
  text-decoration: none;
}

.btn:focus-visible {
  box-shadow: 0 0 0 .2rem rgba(var(--bs-primary-rgb), .32);
  filter: none;
  text-decoration: none;
}

.btn-primary {
  background-image: linear-gradient(#08c, #04c);
  border-color: #0044cc #0044cc #002a80;
  color: #ffffff;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-image: linear-gradient(#0077d9, #003bb3);
  border-color: #003bb3 #003bb3 #001f66;
}

.btn-success,
.btn-success:hover,
.btn-success:focus-visible {
  background-image: linear-gradient(#62c462, #51a351);
  border-color: #51a351 #51a351 #387038;
  color: #ffffff;
}

.btn-danger,
.btn-danger:hover,
.btn-danger:focus-visible {
  background-image: linear-gradient(#ee5f5b, #bd362f);
  border-color: #bd362f #bd362f #802420;
  color: #ffffff;
}

.btn-secondary,
.btn-outline-secondary,
.btn-light {
  background-image: linear-gradient(#ffffff, #e6e6e6);
  border-color: #cccccc #cccccc #b3b3b3;
  color: #333333;
}

.btn-outline-primary,
.btn-outline-success,
.btn-outline-danger,
.btn-outline-warning,
.btn-outline-info {
  background-color: var(--bs-body-bg);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus-visible,
.nav-pills .nav-link.active,
.nav-pills .show > .nav-link {
  background-image: linear-gradient(#08c, #04c);
  color: #ffffff;
}

.btn-outline-success:hover,
.btn-outline-success:focus-visible {
  background-image: linear-gradient(#62c462, #51a351);
  color: #ffffff;
}

.btn-outline-danger:hover,
.btn-outline-danger:focus-visible {
  background-image: linear-gradient(#ee5f5b, #bd362f);
  color: #ffffff;
}

.btn-outline-warning:hover,
.btn-outline-warning:focus-visible {
  background-image: linear-gradient(#fbb450, #f89406);
  color: #111111;
}

.btn-outline-info:hover,
.btn-outline-info:focus-visible {
  background-image: linear-gradient(#5bc0de, #2f96b4);
  color: #ffffff;
}

.btn-secondary:hover,
.btn-secondary:focus-visible,
.btn-outline-secondary:hover,
.btn-outline-secondary:focus-visible {
  background-image: linear-gradient(#e6e6e6, #cfcfcf);
  border-color: #adadad;
  color: #222222;
}

[data-bs-theme="dark"] .btn-secondary,
[data-bs-theme="dark"] .btn-outline-secondary,
[data-bs-theme="dark"] .btn-light {
  background-image: linear-gradient(#4b545d, #303840);
  border-color: #5c6670;
  color: #f0f0f0;
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.45);
}

[data-bs-theme="dark"] .btn-secondary:hover,
[data-bs-theme="dark"] .btn-secondary:focus-visible,
[data-bs-theme="dark"] .btn-outline-secondary:hover,
[data-bs-theme="dark"] .btn-outline-secondary:focus-visible {
  background-image: linear-gradient(#68737e, #48515a);
  color: #ffffff;
}

.form-control,
.form-select,
.input-group-text {
  border: 1px solid #cccccc;
  border-radius: 4px;
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
}

.form-control:focus,
.form-select:focus {
  border-color: rgba(82, 168, 236, 0.8);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6);
}

.modal-header,
.card-header,
.dropdown-header,
.table thead th {
  background-image: linear-gradient(#f9f9f9, #eeeeee);
  border-bottom: 1px solid var(--bs-border-color);
  color: var(--bs-body-color);
  font-weight: 700;
}

[data-bs-theme="dark"] .modal-header,
[data-bs-theme="dark"] .card-header,
[data-bs-theme="dark"] .dropdown-header,
[data-bs-theme="dark"] .table thead th {
  background-image: linear-gradient(#39434c, #2c343b);
}

.badge,
.label {
  border-radius: 3px;
}

.alert {
  border-radius: 3px;
  border-width: 1px;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.35);
}

.progress {
  background-image: linear-gradient(#f5f5f5, #e6e6e6);
  border-radius: 3px;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.18);
}

.progress-bar {
  background-image: linear-gradient(#149bdf, #0480be);
}

.table > :not(caption) > * > * {
  border-bottom-color: var(--bs-border-color);
}