*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-ui);
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text);
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  position: fixed;
  z-index: 1000;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--color-action);
  color: #ffffff;
  font-weight: 700;
  transform: translateY(calc(-100% - var(--space-5)));
}

.skip-link:focus {
  transform: translateY(0);
}

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  box-shadow: var(--focus-ring);
}

:where(input[type="checkbox"], input[type="radio"]) {
  width: 1.125rem;
  min-width: 1.125rem;
  height: 1.125rem;
  min-height: 1.125rem;
  flex: 0 0 auto;
  margin: 0;
  accent-color: var(--color-accent);
}

.btn {
  display: inline-flex;
  min-height: 2.5rem;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-raised);
  color: var(--color-text);
  font: inherit;
  font-weight: 650;
  line-height: 1.25;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.btn:hover {
  border-color: var(--color-accent);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.55;
}

.btn-primary,
.btn--primary {
  border-color: var(--color-action);
  background: var(--color-action);
  color: #ffffff;
}

.btn-primary:hover,
.btn--primary:hover {
  border-color: var(--color-action-hover);
  background: var(--color-action-hover);
}

.btn-secondary {
  border-color: var(--color-border-strong);
  background: transparent;
  color: var(--color-text);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  background: var(--color-surface-raised);
}

.field {
  display: grid;
  gap: var(--space-2);
}

.field > label,
.field__label {
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 650;
}

.field :where(input:not([type="checkbox"]):not([type="radio"]), select, textarea),
:where(input.field:not([type="checkbox"]):not([type="radio"]), select.field, textarea.field),
.field__control {
  display: block;
  width: 100%;
  min-height: 2.5rem;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
}

.field :where(input:not([type="checkbox"]):not([type="radio"]), textarea)::placeholder,
:where(input.field:not([type="checkbox"]):not([type="radio"]), textarea.field)::placeholder,
.field__hint {
  color: var(--color-text-muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.5rem;
  padding: 0 var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface-raised);
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
}

.panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-panel);
}

.interface-controls,
.language-control {
  display: inline-flex;
  align-items: center;
}

.interface-controls {
  gap: 0.35rem;
}

.language-control {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.language-control button,
.theme-control {
  display: inline-grid;
  min-width: 2.25rem;
  min-height: 2.25rem;
  place-items: center;
  padding: 0.3rem 0.5rem;
  border: 0;
  background: transparent;
  color: var(--color-text-muted);
  font: inherit;
  font-size: 0.7rem;
  font-weight: 750;
  cursor: pointer;
}

.language-control button + button {
  border-left: 1px solid var(--color-border);
}

.language-control button[aria-pressed="true"],
.theme-control:hover {
  background: var(--color-surface-raised);
  color: var(--color-text);
}

.theme-control {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.toast-region {
  position: fixed;
  z-index: 900;
  right: var(--space-4);
  bottom: var(--space-4);
  display: grid;
  width: min(24rem, calc(100vw - 2 * var(--space-4)));
  gap: var(--space-3);
  pointer-events: none;
}

.toast {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-2) var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-left: 0.25rem solid var(--color-accent);
  border-radius: var(--radius-md);
  background: var(--color-surface-raised);
  color: var(--color-text);
  box-shadow: var(--shadow-panel);
  pointer-events: auto;
}

.toast--success { border-left-color: var(--color-success); }
.toast--warning { border-left-color: var(--color-warning); }
.toast--danger { border-left-color: var(--color-danger); }

.toast__title {
  font-weight: 700;
}

.toast__message {
  grid-column: 1;
  color: var(--color-text-muted);
}

.toast__dismiss {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: start;
  padding: var(--space-1);
  border: 0;
  background: transparent;
  color: var(--color-text-muted);
  font: inherit;
  cursor: pointer;
}

.offline-banner {
  position: fixed;
  z-index: 950;
  top: 0;
  left: 50%;
  display: flex;
  width: min(48rem, calc(100% - 2rem));
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid color-mix(in srgb, var(--color-warning) 55%, var(--color-border));
  border-top: 0;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  background: var(--color-surface-raised);
  color: var(--color-text);
  box-shadow: var(--shadow-panel);
  transform: translateX(-50%);
}

.offline-banner[hidden] { display: none; }
.offline-banner span { color: var(--color-text-muted); }

.recovery-state {
  display: grid;
  min-height: 8rem;
  place-items: center;
  gap: var(--space-3);
  padding: var(--space-5);
  text-align: center;
}

.recovery-state__message { margin: 0; color: var(--color-text-muted); }

@media (max-width: 767px) {
  .btn,
  .field :where(input:not([type="checkbox"]):not([type="radio"]), select, textarea),
  :where(input.field:not([type="checkbox"]):not([type="radio"]), select.field, textarea.field),
  .field__control,
  .toast__dismiss {
    min-width: 44px;
    min-height: 44px;
  }

  .language-control button,
  .theme-control {
    min-width: 44px;
    min-height: 44px;
  }

  .offline-banner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}
:where([hidden]) {
  display: none !important;
}