:root {
  --dd-control-height: 46px;
  --dd-control-radius: 6px;
  --dd-control-navy: #061a35;
  --dd-control-navy-hover: #0a294d;
  --dd-control-gold: #d4af57;
  --dd-control-gold-hover: #e0bf70;
  --dd-control-ivory: #f8fafc;
  --dd-control-muted: #98a8ba;
  --dd-control-border: rgba(197, 160, 89, .58);
  --dd-control-focus: #f3cd78;
  --dd-control-focus-dark: #061a35;
}

.dd-icon-control {
  box-sizing: border-box;
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;
}

.dd-picker-control,
.dd-choice-control,
.dd-disclosure-control {
  box-sizing: border-box;
  min-height: 44px;
}

/*
 * Shared Due Diligence action controls.
 *
 * `.dd26-button` remains the compatibility class for Quick Drills, Doctrines,
 * and private Analytics export controls. Subject Matter shares the examination
 * renderer with Bar Feels, so its alias is owner-scoped while the light
 * examination surface uses the same dimensions and states through examinations.css.
 */
.dd-control,
.dd26-button,
#dd-per-subject-app .dd-exam-button,
.dd-exam-dialog.is-subject-matter .dd-exam-button {
  appearance: none;
  box-sizing: border-box;
  min-width: 0;
  min-height: var(--dd-control-height);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 20px;
  border: 1px solid var(--dd-control-border);
  border-radius: var(--dd-control-radius);
  color: var(--dd-control-ivory);
  background: rgba(2, 18, 35, .42);
  box-shadow: none;
  font: 700 13px/1.2 Inter, system-ui, sans-serif;
  letter-spacing: .01em;
  text-align: center;
  text-decoration: none;
  text-transform: none;
  cursor: pointer;
  transition: border-color .16s ease, background-color .16s ease, color .16s ease,
    box-shadow .16s ease, transform .16s ease;
}

.dd-control:hover,
.dd26-button:hover,
#dd-per-subject-app .dd-exam-button:hover,
.dd-exam-dialog.is-subject-matter .dd-exam-button:hover {
  border-color: var(--dd-control-gold-hover);
  color: #fff;
  background: rgba(197, 160, 89, .1);
  transform: translateY(-1px);
}

.dd-control:active,
.dd26-button:active,
#dd-per-subject-app .dd-exam-button:active,
.dd-exam-dialog.is-subject-matter .dd-exam-button:active {
  background: rgba(197, 160, 89, .16);
  transform: translateY(0);
}

.dd-control:focus-visible,
.dd26-button:focus-visible,
#dd-per-subject-app .dd-exam-button:focus-visible,
.dd-exam-dialog.is-subject-matter .dd-exam-button:focus-visible {
  border-color: var(--dd-control-gold-hover);
  color: #fff;
  outline: 0;
  box-shadow: 0 0 0 2px var(--dd-control-focus-dark),
    0 0 0 5px var(--dd-control-focus);
}

.dd-control.is-primary,
.dd26-button.primary,
#dd-per-subject-app .dd-exam-button:is(.is-primary, .is-gold),
.dd-exam-dialog.is-subject-matter .dd-exam-button:is(.is-primary, .is-gold) {
  border-color: var(--dd-control-gold);
  color: var(--dd-control-navy);
  background: var(--dd-control-gold);
  box-shadow: 0 7px 18px rgba(98, 70, 20, .14);
}

.dd-control.is-primary:hover,
.dd-control.is-primary:focus-visible,
.dd26-button.primary:hover,
.dd26-button.primary:focus-visible,
#dd-per-subject-app .dd-exam-button:is(.is-primary, .is-gold):hover,
#dd-per-subject-app .dd-exam-button:is(.is-primary, .is-gold):focus-visible,
.dd-exam-dialog.is-subject-matter .dd-exam-button:is(.is-primary, .is-gold):hover,
.dd-exam-dialog.is-subject-matter .dd-exam-button:is(.is-primary, .is-gold):focus-visible {
  border-color: var(--dd-control-gold-hover);
  color: var(--dd-control-navy);
  background: var(--dd-control-gold-hover);
}

.dd-control.is-primary:active,
.dd26-button.primary:active,
#dd-per-subject-app .dd-exam-button:is(.is-primary, .is-gold):active,
.dd-exam-dialog.is-subject-matter .dd-exam-button:is(.is-primary, .is-gold):active {
  border-color: #c79d45;
  background: #c79d45;
}

.dd-control.is-primary:focus-visible,
.dd26-button.primary:focus-visible,
#dd-per-subject-app .dd-exam-button:is(.is-primary, .is-gold):focus-visible,
.dd-exam-dialog.is-subject-matter .dd-exam-button:is(.is-primary, .is-gold):focus-visible {
  outline: 0;
  box-shadow: 0 0 0 2px var(--dd-control-focus-dark),
    0 0 0 5px var(--dd-control-focus), 0 7px 18px rgba(98, 70, 20, .14);
}

.dd-control.is-secondary {
  border-color: var(--dd-control-border);
  color: var(--dd-control-ivory);
  background: rgba(2, 18, 35, .42);
}

.dd-control.is-tertiary,
#dd-per-subject-app .dd-exam-button.is-tertiary,
.dd-exam-dialog.is-subject-matter .dd-exam-button.is-tertiary {
  min-width: 0;
  min-height: 44px;
  padding-right: 2px;
  padding-left: 2px;
  border-width: 0 0 1px;
  border-radius: 0;
  border-color: rgba(212, 175, 87, .7);
  color: #e4c476;
  background: transparent;
  box-shadow: none;
}

.dd-control.is-tertiary:hover,
.dd-control.is-tertiary:focus-visible,
#dd-per-subject-app .dd-exam-button.is-tertiary:hover,
#dd-per-subject-app .dd-exam-button.is-tertiary:focus-visible,
.dd-exam-dialog.is-subject-matter .dd-exam-button.is-tertiary:hover,
.dd-exam-dialog.is-subject-matter .dd-exam-button.is-tertiary:focus-visible {
  border-color: #fff;
  color: #fff;
  background: transparent;
  outline: 0;
  box-shadow: none;
  transform: none;
}

.dd-control.is-tertiary:focus-visible,
#dd-per-subject-app .dd-exam-button.is-tertiary:focus-visible,
.dd-exam-dialog.is-subject-matter .dd-exam-button.is-tertiary:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 2px var(--dd-control-focus-dark),
    0 0 0 5px var(--dd-control-focus);
}

.dd-control.is-tertiary.is-on-light {
  border-color: #8a6725;
  color: #6b4f18;
  background: transparent;
}

.dd-control.is-tertiary.is-on-light:hover,
.dd-control.is-tertiary.is-on-light:focus-visible {
  border-color: var(--dd-control-navy);
  color: var(--dd-control-navy);
  background: rgba(212, 175, 87, .08);
}

.dd-control.is-tertiary.is-on-light:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 2px var(--dd-control-focus-dark),
    0 0 0 5px var(--dd-control-focus);
}

.dd-control.is-danger,
.dd26-button.danger,
#dd-per-subject-app .dd-exam-button.is-danger,
.dd-exam-dialog.is-subject-matter .dd-exam-button.is-danger {
  border-color: rgba(248, 113, 113, .62);
  color: #fecaca;
  background: rgba(127, 29, 29, .16);
}

.dd-control.is-danger:hover,
.dd-control.is-danger:focus-visible,
.dd26-button.danger:hover,
.dd26-button.danger:focus-visible,
#dd-per-subject-app .dd-exam-button.is-danger:hover,
#dd-per-subject-app .dd-exam-button.is-danger:focus-visible,
.dd-exam-dialog.is-subject-matter .dd-exam-button.is-danger:hover,
.dd-exam-dialog.is-subject-matter .dd-exam-button.is-danger:focus-visible {
  border-color: #fca5a5;
  color: #fff;
  background: rgba(127, 29, 29, .28);
}

.dd-control[aria-busy="true"],
.dd26-button[aria-busy="true"],
#dd-per-subject-app .dd-exam-button[aria-busy="true"],
.dd-exam-dialog.is-subject-matter .dd-exam-button[aria-busy="true"] {
  color: var(--dd-control-muted);
  background: #243247;
  cursor: progress;
  pointer-events: none;
}

.dd-control.is-success,
.dd26-button.is-success,
#dd-per-subject-app .dd-exam-button.is-success,
.dd-exam-dialog.is-subject-matter .dd-exam-button.is-success {
  border-color: rgba(74, 222, 128, .6);
  color: #dcfce7;
  background: rgba(20, 83, 45, .28);
}

.dd-control.is-success:hover,
.dd-control.is-success:focus-visible,
.dd26-button.is-success:hover,
.dd26-button.is-success:focus-visible,
#dd-per-subject-app .dd-exam-button.is-success:hover,
#dd-per-subject-app .dd-exam-button.is-success:focus-visible,
.dd-exam-dialog.is-subject-matter .dd-exam-button.is-success:hover,
.dd-exam-dialog.is-subject-matter .dd-exam-button.is-success:focus-visible {
  border-color: #86efac;
  color: #f0fdf4;
  background: rgba(20, 83, 45, .38);
}

.dd-control.is-error,
.dd26-button.is-error,
#dd-per-subject-app .dd-exam-button.is-error,
.dd-exam-dialog.is-subject-matter .dd-exam-button.is-error {
  border-color: rgba(248, 113, 113, .62);
  color: #fecaca;
  background: rgba(127, 29, 29, .18);
}

.dd-control:disabled,
.dd-control[aria-disabled="true"],
.dd26-button:disabled,
.dd26-button[aria-disabled="true"],
#dd-per-subject-app .dd-exam-button:disabled,
#dd-per-subject-app .dd-exam-button[aria-disabled="true"],
.dd-exam-dialog.is-subject-matter .dd-exam-button:disabled,
.dd-exam-dialog.is-subject-matter .dd-exam-button[aria-disabled="true"] {
  border-color: rgba(148, 163, 184, .24);
  color: #8290a2;
  background: #243247;
  box-shadow: none;
  opacity: 1;
  cursor: not-allowed;
  filter: none;
  transform: none;
}

.dd26-button.compact {
  min-height: 44px;
  padding: 0 14px;
}

/*
 * Compatibility contract for older, still-active action surfaces. Navigation,
 * tabs, chips, disclosures, icon controls, card choices and toolbars remain on
 * their purpose-built treatments; only true next-step actions are normalized.
 */
:is(
  .btn-primary,
  .btn-secondary,
  .btn-next,
  .dd2-button,
  .pb-primary-action,
  .pb-dialog-primary,
  .pb-dialog-secondary,
  .pb-chamber-primary,
  .pb-chamber-back,
  .pb-chamber-feature-action
) {
  appearance: none;
  box-sizing: border-box;
  min-width: 0;
  min-height: var(--dd-control-height);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 20px;
  border: 1px solid var(--dd-control-border);
  border-radius: var(--dd-control-radius);
  color: var(--dd-control-ivory);
  background: rgba(2, 18, 35, .42);
  box-shadow: none;
  font: 700 13px/1.2 Inter, system-ui, sans-serif;
  letter-spacing: .01em;
  text-align: center;
  text-decoration: none;
  text-transform: none;
  cursor: pointer;
  transition: border-color .16s ease, background-color .16s ease, color .16s ease,
    box-shadow .16s ease, transform .16s ease;
}

:is(
  .btn-primary,
  .btn-next,
  .dd2-button-primary,
  .dd2-button-gold,
  .pb-primary-action,
  .pb-dialog-primary,
  .pb-chamber-primary,
  .pb-chamber-feature-action
) {
  border-color: var(--dd-control-gold);
  color: var(--dd-control-navy);
  background: var(--dd-control-gold);
  box-shadow: 0 7px 18px rgba(98, 70, 20, .14);
}

:is(
  .btn-primary,
  .btn-next,
  .dd2-button-primary,
  .dd2-button-gold,
  .pb-primary-action,
  .pb-dialog-primary,
  .pb-chamber-primary,
  .pb-chamber-feature-action
):hover:not(:disabled) {
  border-color: var(--dd-control-gold-hover);
  color: var(--dd-control-navy);
  background: var(--dd-control-gold-hover);
  box-shadow: 0 9px 21px rgba(98, 70, 20, .18);
  filter: none;
  transform: translateY(-1px);
}

:is(
  .btn-primary,
  .btn-next,
  .dd2-button-primary,
  .dd2-button-gold,
  .pb-primary-action,
  .pb-dialog-primary,
  .pb-chamber-primary,
  .pb-chamber-feature-action
):active:not(:disabled) {
  border-color: #c79d45;
  background: #c79d45;
  box-shadow: none;
  transform: translateY(0);
}

/* Secondary actions on the site's ivory forms and dialogs. */
:is(.btn-secondary, .dd2-button-secondary, .pb-dialog-secondary) {
  border-color: rgba(6, 26, 53, .34);
  color: var(--dd-control-navy);
  background: rgba(255, 255, 255, .68);
  box-shadow: none;
}

:is(.btn-secondary, .dd2-button-secondary, .pb-dialog-secondary):hover:not(:disabled) {
  border-color: var(--dd-control-gold);
  color: var(--dd-control-navy);
  background: rgba(212, 175, 87, .09);
  transform: translateY(-1px);
}

:is(.btn-secondary, .dd2-button-secondary, .pb-dialog-secondary):active:not(:disabled) {
  background: rgba(212, 175, 87, .15);
  transform: translateY(0);
}

/* Dark-surface return and low-emphasis links retain a true tertiary role. */
:is(.pb-chamber-back, .pb-text-button) {
  min-height: 44px;
  padding-right: 2px;
  padding-left: 2px;
  border-width: 0 0 1px;
  border-radius: 0;
  border-color: rgba(212, 175, 87, .7);
  color: #e4c476;
  background: transparent;
  box-shadow: none;
  font: 700 13px/1.2 Inter, system-ui, sans-serif;
  letter-spacing: .01em;
  text-transform: none;
}

:is(.pb-chamber-back, .pb-text-button):hover,
:is(.pb-chamber-back, .pb-text-button):focus-visible {
  border-color: #fff;
  color: #fff;
  background: transparent;
  box-shadow: none;
  transform: none;
}

:is(
  .btn-primary,
  .btn-secondary,
  .btn-next,
  .dd2-button,
  .pb-primary-action,
  .pb-dialog-primary,
  .pb-dialog-secondary,
  .pb-chamber-primary,
  .pb-chamber-back,
  .pb-chamber-feature-action,
  .pb-text-button
):focus-visible {
  border-color: var(--dd-control-gold-hover);
  outline: 0;
  box-shadow: 0 0 0 2px var(--dd-control-focus-dark),
    0 0 0 5px var(--dd-control-focus);
}

:is(
  .btn-primary,
  .btn-secondary,
  .btn-next,
  .dd2-button,
  .pb-primary-action,
  .pb-dialog-primary,
  .pb-dialog-secondary,
  .pb-chamber-primary,
  .pb-chamber-back,
  .pb-chamber-feature-action
)[aria-busy="true"] {
  color: #8290a2;
  background: #e7ebf0;
  cursor: progress;
  pointer-events: none;
}

:is(
  .btn-primary,
  .btn-secondary,
  .btn-next,
  .dd2-button,
  .pb-primary-action,
  .pb-dialog-primary,
  .pb-dialog-secondary,
  .pb-chamber-primary,
  .pb-chamber-feature-action
).is-success {
  border-color: #4ade80;
  color: #14532d;
  background: #dcfce7;
}

:is(
  .btn-primary,
  .btn-secondary,
  .btn-next,
  .dd2-button,
  .pb-primary-action,
  .pb-dialog-primary,
  .pb-dialog-secondary,
  .pb-chamber-primary,
  .pb-chamber-feature-action
).is-error {
  border-color: #f87171;
  color: #7f1d1d;
  background: #fef2f2;
}

:is(
  .btn-primary,
  .btn-secondary,
  .btn-next,
  .dd2-button,
  .pb-primary-action,
  .pb-dialog-primary,
  .pb-dialog-secondary,
  .pb-chamber-primary,
  .pb-chamber-back,
  .pb-chamber-feature-action
):disabled,
:is(
  .btn-primary,
  .btn-secondary,
  .btn-next,
  .dd2-button,
  .pb-primary-action,
  .pb-dialog-primary,
  .pb-dialog-secondary,
  .pb-chamber-primary,
  .pb-chamber-back,
  .pb-chamber-feature-action
)[aria-disabled="true"] {
  border-color: rgba(148, 163, 184, .24);
  color: #8290a2;
  background: #e7ebf0;
  box-shadow: none;
  opacity: 1;
  cursor: not-allowed;
  filter: none;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .dd-control,
  .dd26-button,
  #dd-per-subject-app .dd-exam-button,
  .dd-exam-dialog.is-subject-matter .dd-exam-button,
  :is(
    .btn-primary,
    .btn-secondary,
    .btn-next,
    .dd2-button,
    .pb-primary-action,
    .pb-dialog-primary,
    .pb-dialog-secondary,
    .pb-chamber-primary,
    .pb-chamber-back,
    .pb-chamber-feature-action,
    .pb-text-button
  ) {
    transition-duration: .01ms;
  }
}