/** Shared brand primitives, type scale, motion and control metrics. */
:root {
  --control-radius: 6px;
  --control-sm: 32px;
  --control-md: 40px;
  --control-lg: 52px;
  --ui-text-01: 1rem;
  --ui-text-02: 1.125rem;
  --ui-space-1: 4px;
  --ui-space-2: 8px;
  --ui-space-3: 16px;
  --ui-space-4: 24px;
  --ui-space-5: 32px;
  --panel-radius: 6px;
  --panel-padding: clamp(24px, 3vw, 36px);
  --text-panel-title: clamp(1.375rem, 2vw, 1.75rem);
  --text-lede: clamp(1.125rem, 1.7vw, 1.375rem);
  --button-text-size: 15px;
  --button-gap: 24px;
  --button-padding: 15px 20px;
  --brand-beige: #f5f2ea;
  --brand-burgundy: #782332;
  --brand-navy: #172a40;
  --brand-blue: #426887;
  --font-ui: 'Inter', ui-sans-serif, system-ui, sans-serif;
  --font-brand: 'Libre Baskerville', Georgia, serif;
  --font-tech: var(--font-ui);
  --font-code: ui-monospace, SFMono-Regular, Consolas, monospace;
  --brand-font: var(--font-ui);
  --font-heading: var(--brand-font);
  --font-body: var(--brand-font);
  --font-heading-weight: 500;
  --text-body: 1rem;
  --leading-tight: 1.12;
  --leading-body: 1.6;
  --leading-loose: 1.75;
  --tracking-heading: -0.015em;
  --tracking-eyebrow: 0.08em;
  --space-0: 0;
  --space-1: 2.8px;
  --space-2: 5.6px;
  --space-3: 8.4px;
  --space-4: 11.2px;
  --space-5: 14px;
  --space-6: 16.8px;
  --space-8: 22.4px;
  --space-10: 28px;
  --space-12: 33.6px;
  --space-16: 44.8px;
  --space-24: 67.2px;
  --space-32: 89.6px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-pill: 999px;
  --text-display: clamp(2.375rem, 6.6vw, 5.375rem);
  --text-h1: clamp(2rem, 4.9vw, 3.25rem);
  --text-h2: clamp(1.5625rem, 3.6vw, 2.5rem);
  --text-h3: clamp(1.4375rem, 3.1vw, 1.875rem);
  --text-h4: 1.375rem;
  --text-lead: 1.1875rem;
  --text-small: 0.9375rem;
  --text-micro: 0.8125rem;
  --text-eyebrow: 0.8125rem;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-fast: 160ms;
  --duration-base: 260ms;
}

/*
 * Adapted from Carbon Design System button/_mixins.scss and button/_button.scss.
 * Copyright IBM Corp. 2016, 2026. Apache-2.0; see ../NOTICE and ../licenses/.
 * Modified for plain CSS, the fcisar API, FC Isar type roles and colour tokens.
 */
.fcisar-button,
.fcisar-icon-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--button-gap);
  min-block-size: var(--control-lg);
  max-inline-size: 100%;
  padding: var(--button-padding);
  border: 1px solid transparent;
  border-radius: var(--control-radius);
  margin: 0;
  background: transparent;
  color: var(--color-text);
  font-family: var(--brand-font);
  font-size: var(--button-text-size);
  font-weight: 500;
  line-height: 20px;
  text-align: start;
  text-decoration: none;
  vertical-align: top;
  cursor: pointer;
  transition:
    background var(--duration-fast) ease,
    border-color var(--duration-fast) ease;
}
.fcisar-button svg {
  flex: none;
}
.fcisar-button--primary,
.fcisar-button--band {
  background: var(--brand-button-accent, var(--color-accent));
  color: var(--color-on-accent);
}
.fcisar-button--primary:hover:not(:disabled):not([aria-disabled='true']),
.fcisar-button--band:hover:not(:disabled):not([aria-disabled='true']) {
  background: color-mix(
    in srgb,
    var(--brand-button-accent, var(--color-accent)) 88%,
    var(--color-text)
  );
  color: var(--color-on-accent);
}
.fcisar-button--solid-secondary {
  background: var(--color-text);
  color: var(--color-bg);
}
.fcisar-button--solid-secondary:hover:not(:disabled):not([aria-disabled='true']) {
  background: color-mix(in srgb, var(--color-text) 85%, var(--color-bg));
  color: var(--color-bg);
}
/* Keep the existing secondary API as an outline; Carbon calls this tertiary. */
.fcisar-button--secondary,
.fcisar-button--tertiary {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.fcisar-button--secondary:hover:not(:disabled):not([aria-disabled='true']),
.fcisar-button--tertiary:hover:not(:disabled):not([aria-disabled='true']) {
  background: var(--color-accent);
  color: var(--color-on-accent);
}
.fcisar-button--ghost {
  color: var(--color-accent);
}
.fcisar-button--ghost:hover:not(:disabled):not([aria-disabled='true']),
.fcisar-icon-button:hover:not(:disabled):not([aria-disabled='true']) {
  background: var(--color-layer-hover);
  color: var(--color-accent);
}
.fcisar-button--tinted {
  background: var(--color-layer-02);
  color: var(--color-text);
}
.fcisar-button--tinted:hover:not(:disabled):not([aria-disabled='true']) {
  background: var(--color-layer-hover);
  color: var(--color-text);
}
.fcisar-button--compact {
  min-block-size: var(--control-md);
  padding: 9px 16px;
  gap: 16px;
}
.fcisar-button--small {
  min-block-size: var(--control-sm);
  padding: 5px 12px;
  gap: 12px;
}
.fcisar-icon-button {
  justify-content: center;
  inline-size: var(--control-md);
  min-block-size: var(--control-md);
  padding: 0;
}
.fcisar-button:active:not(:disabled):not([aria-disabled='true']),
.fcisar-icon-button:active:not(:disabled):not([aria-disabled='true']) {
  box-shadow: inset 0 0 0 999px rgb(0 0 0 / 0.1);
}
.fcisar-button:disabled,
.fcisar-button[aria-disabled='true'],
.fcisar-icon-button:disabled,
.fcisar-icon-button[aria-disabled='true'] {
  background: var(--color-disabled-bg);
  border-color: transparent;
  color: var(--color-disabled-text);
  cursor: not-allowed;
  box-shadow: none;
}
.fcisar-button:focus-visible,
.fcisar-icon-button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  box-shadow: inset 0 0 0 1px var(--color-bg);
}
.fcisar-button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
}
@media (prefers-reduced-motion: reduce) {
  .fcisar-button,
  .fcisar-icon-button {
    transition: none;
  }
}
@media (forced-colors: active) {
  .fcisar-button,
  .fcisar-icon-button {
    border-color: ButtonText;
  }
  .fcisar-button:disabled,
  .fcisar-icon-button:disabled {
    border-color: GrayText;
    color: GrayText;
  }
}

.fcisar-button--danger {
  background: var(--color-danger);
  color: var(--color-bg);
}
.fcisar-button--danger:hover:not(:disabled):not([aria-disabled='true']) {
  background: color-mix(in srgb, var(--color-danger) 86%, var(--color-text));
  color: var(--color-bg);
}
.fcisar-button--stop {
  background: #b5262a;
  color: #fff;
  font-family: var(--font-tech);
  font-weight: 700;
  letter-spacing: 0.06em;
  min-block-size: 52px;
}
.fcisar-button--stop:hover:not(:disabled) {
  background: #922025;
  color: #fff;
}