:root {
  --control-height: 48px;
  --control-height-compact: 44px;
  --control-touch-target: 44px;
  --control-focus-ring: 0 0 0 3px color-mix(in srgb, var(--color-caspian-blue) 28%, transparent);
  --control-background: var(--color-warm-white);
  --control-border: var(--color-stone);
  --control-disabled-opacity: 0.58;
  --control-transition-duration: 160ms;
}

.ag-button {
  min-height: var(--control-touch-target);
  height: var(--control-height);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding-inline: var(--space-xl);
  border: var(--border-width-sm) solid transparent;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  cursor: pointer;
  user-select: none;
  transition: background-color var(--control-transition-duration), border-color var(--control-transition-duration), color var(--control-transition-duration), box-shadow var(--control-transition-duration), transform var(--control-transition-duration);
}

.ag-button:hover { transform: translateY(-1px); }
.ag-button:focus-visible { outline: 0; box-shadow: var(--control-focus-ring); }
.ag-button:disabled, .ag-button[aria-disabled="true"] { cursor: not-allowed; opacity: var(--control-disabled-opacity); filter: grayscale(0.25); transform: none; }
.ag-button[aria-busy="true"] { cursor: progress; opacity: 0.82; pointer-events: none; }
.ag-button[aria-busy="true"]::before { content: ""; inline-size: 1em; block-size: 1em; border: var(--border-width-md) solid currentColor; border-block-start-color: transparent; border-radius: var(--radius-circle); animation: ag-spin 800ms linear infinite; }
.ag-button--compact { height: var(--control-height-compact); padding-inline: var(--space-lg); }
.ag-button--full { width: 100%; }
.ag-button--primary { background: var(--color-deep-navy); color: var(--color-warm-white); border-color: var(--color-deep-navy); }
.ag-button--primary:hover { background: var(--color-charcoal); }
.ag-button--brand { background: var(--color-brand-gold); color: var(--color-deep-navy); border-color: var(--color-brand-gold); }
.ag-button--brand:hover { background: var(--color-sand); }
.ag-button--secondary { background: var(--color-warm-white); color: var(--color-deep-navy); border-color: var(--control-border); }
.ag-button--secondary:hover { background: var(--color-light-gray); border-color: var(--color-neutral); }
.ag-button--destructive { background: var(--color-terracotta); color: var(--color-warm-white); border-color: var(--color-terracotta); }
.ag-button--destructive:hover { background: var(--color-error); }
.ag-button--text { height: auto; min-height: var(--control-touch-target); padding-inline: var(--space-sm); background: transparent; color: var(--color-caspian-blue); border-color: transparent; }
.ag-button--text:hover { background: var(--color-light-gray); transform: none; }
.ag-button--icon { width: var(--control-height); padding: 0; border-radius: var(--radius-circle); }
.ag-button--icon.ag-button--compact { width: var(--control-height-compact); }
.ag-button__icon { inline-size: 1.25em; block-size: 1.25em; display: inline-grid; place-items: center; }

.ag-field { display: grid; gap: var(--space-sm); min-width: 0; }
.ag-field__label { color: var(--color-deep-navy); font-weight: var(--font-weight-semibold); }
.ag-field__required { color: var(--color-error); font-weight: var(--font-weight-bold); }
.ag-field__optional { color: var(--color-neutral); font-weight: var(--font-weight-regular); }
.ag-field__hint { color: var(--color-neutral); font-size: var(--text-small-size); line-height: var(--text-small-line); }
.ag-field__error { color: var(--color-error); font-size: var(--text-small-size); line-height: var(--text-small-line); font-weight: var(--font-weight-semibold); }
.ag-field__control { position: relative; display: flex; align-items: center; min-width: 0; }
.ag-field__prefix, .ag-field__suffix { position: absolute; color: var(--color-neutral); pointer-events: none; }
.ag-field__prefix { inset-inline-start: var(--space-md); }
.ag-field__suffix { inset-inline-end: var(--space-md); }
.ag-field--error .ag-input, .ag-field--error .ag-textarea, .ag-field--error .ag-select { border-color: var(--color-error); }

.ag-input, .ag-select, .ag-textarea {
  width: 100%;
  min-width: 0;
  background: var(--control-background);
  border: var(--border-width-sm) solid var(--control-border);
  border-radius: var(--radius-md);
  color: var(--color-charcoal);
  transition: border-color var(--control-transition-duration), box-shadow var(--control-transition-duration), background-color var(--control-transition-duration);
}
.ag-input, .ag-select { min-height: var(--control-touch-target); height: var(--control-height); padding-inline: var(--space-md); }
.ag-textarea { min-height: 112px; padding: var(--space-md); resize: vertical; }
.ag-input::placeholder, .ag-textarea::placeholder { color: var(--color-neutral); opacity: 1; }
.ag-input:hover, .ag-select:hover, .ag-textarea:hover { border-color: var(--color-neutral); }
.ag-input:focus-visible, .ag-select:focus-visible, .ag-textarea:focus-visible { outline: 0; border-color: var(--color-caspian-blue); box-shadow: var(--control-focus-ring); }
.ag-input:disabled, .ag-select:disabled, .ag-textarea:disabled { opacity: var(--control-disabled-opacity); background: var(--color-light-gray); cursor: not-allowed; }
.ag-input[readonly], .ag-textarea[readonly] { background: var(--color-sand); border-style: dashed; }
.ag-input:-webkit-autofill { -webkit-text-fill-color: var(--color-charcoal); box-shadow: 0 0 0 1000px var(--control-background) inset; }
.ag-input--with-prefix { padding-inline-start: var(--space-4xl); }
.ag-input--with-suffix { padding-inline-end: var(--space-5xl); }

.ag-field-group, .ag-button-group { display: flex; flex-wrap: wrap; gap: var(--space-md); align-items: start; }
.ag-field-group > .ag-field { flex: 1 1 220px; }

.ag-choice { display: flex; align-items: flex-start; gap: var(--space-sm); min-height: var(--control-touch-target); padding-block: var(--space-xs); color: var(--color-charcoal); cursor: pointer; }
.ag-checkbox, .ag-radio { inline-size: 20px; block-size: 20px; margin-block-start: 2px; accent-color: var(--color-caspian-blue); }
.ag-checkbox:focus-visible, .ag-radio:focus-visible, .ag-toggle__input:focus-visible + .ag-toggle__track { outline: 0; box-shadow: var(--control-focus-ring); }
.ag-choice:has(input:disabled) { opacity: var(--control-disabled-opacity); cursor: not-allowed; }
.ag-choice-group { display: grid; gap: var(--space-sm); padding: 0; margin: 0; border: 0; min-width: 0; }
.ag-choice-group__legend { margin-bottom: var(--space-sm); color: var(--color-deep-navy); font-weight: var(--font-weight-semibold); }
.ag-choice-group--error { border-inline-start: var(--border-width-md) solid var(--color-error); padding-inline-start: var(--space-md); }

.ag-toggle { display: inline-flex; align-items: center; gap: var(--space-sm); min-height: var(--control-touch-target); cursor: pointer; }
.ag-toggle__input { position: absolute; opacity: 0; inline-size: 1px; block-size: 1px; }
.ag-toggle__track { inline-size: 48px; block-size: 28px; padding: 3px; border-radius: var(--radius-round); background: var(--color-neutral); transition: background-color var(--control-transition-duration), box-shadow var(--control-transition-duration); }
.ag-toggle__thumb { display: block; inline-size: 22px; block-size: 22px; border-radius: var(--radius-circle); background: var(--color-warm-white); transition: transform var(--control-transition-duration); }
.ag-toggle__input:checked + .ag-toggle__track { background: var(--color-caspian-blue); }
.ag-toggle__input:checked + .ag-toggle__track .ag-toggle__thumb { transform: translateX(20px); }
.ag-toggle:has(input:disabled) { opacity: var(--control-disabled-opacity); cursor: not-allowed; }

.ag-upload { display: grid; gap: var(--space-sm); padding: var(--space-xl); border: var(--border-width-md) dashed var(--control-border); border-radius: var(--radius-lg); background: var(--control-background); min-width: 0; }
.ag-upload--drag { border-color: var(--color-caspian-blue); background: var(--color-light-gray); }
.ag-upload--selected { border-style: solid; }
.ag-upload--error { border-color: var(--color-error); }
.ag-upload--disabled { opacity: var(--control-disabled-opacity); background: var(--color-light-gray); }
.ag-upload__input { width: 100%; }
.ag-upload__input:focus-visible { outline: 0; box-shadow: var(--control-focus-ring); }
.ag-upload__title { color: var(--color-deep-navy); font-weight: var(--font-weight-semibold); }
.ag-upload__meta { color: var(--color-neutral); font-size: var(--text-small-size); line-height: var(--text-small-line); overflow-wrap: anywhere; }

@keyframes ag-spin { to { transform: rotate(360deg); } }

@media (max-width: 767px) {
  .ag-button-group { flex-direction: column; align-items: stretch; }
  .ag-button-group .ag-button { width: 100%; }
}