/* Canonical controls for both the active shell and retained browser templates. */
.browser-body {
  --button-height: 38px;
  --button-height-small: 32px;
  --button-height-large: 44px;
  --button-radius: 12px;
  --button-radius-small: 10px;
  --surface-hover: var(--panel-2);
  --surface-elevated: var(--panel);
  --primary: #315fc4;
  --primary-strong: #244da9;
  --app-border: var(--border);
  --app-border-strong: rgba(255, 255, 255, 0.18);
  --font-ui: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --ease-fast: 140ms ease;
}

:is(.app-body, .browser-body) .button {
  min-height: var(--button-height);
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: var(--button-radius);
  background: var(--surface-hover);
  color: var(--text);
  box-shadow: none;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  transition:
    background-color var(--ease-fast),
    border-color var(--ease-fast),
    color var(--ease-fast),
    transform var(--ease-fast);
}

@media (hover: hover) {
  :is(.app-body, .browser-body) .button:hover {
    filter: none;
    background: color-mix(in srgb, var(--surface-hover) 78%, var(--text) 8%);
    transform: translateY(-1px);
  }
}

:is(.app-body, .browser-body) .button:active {
  transform: translateY(1px);
}

:is(.app-body, .browser-body) .button-primary,
:is(.app-body, .browser-body) .button-gradient {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

:is(.app-body, .browser-body) .button-primary:hover,
:is(.app-body, .browser-body) .button-gradient:hover {
  background: var(--primary-strong);
  border-color: var(--primary-strong);
}

:is(.app-body, .browser-body) .button-secondary,
:is(.app-body, .browser-body) .button-muted {
  border-color: var(--app-border-strong);
  background: var(--surface-elevated);
  color: var(--text);
}

:is(.app-body, .browser-body) .button-secondary:hover,
:is(.app-body, .browser-body) .button-muted:hover {
  background: var(--surface-hover);
}

:is(.app-body, .browser-body) .button-ghost {
  border-color: transparent;
  background: transparent;
  color: var(--muted);
}

:is(.app-body, .browser-body) .button-ghost:hover {
  border-color: var(--app-border);
  background: color-mix(in srgb, var(--surface-hover) 58%, transparent);
  color: var(--text);
}

:is(.app-body, .browser-body) .button-danger {
  border-color: color-mix(in srgb, var(--danger) 48%, var(--app-border));
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  color: var(--danger);
}

:is(.app-body, .browser-body) .button-danger:hover {
  background: color-mix(in srgb, var(--danger) 19%, transparent);
}

:is(.app-body, .browser-body) .button-small {
  min-height: var(--button-height-small);
  padding-inline: 10px;
  border-radius: var(--button-radius-small);
  font-size: 12px;
}

:is(.app-body, .browser-body) .button-large {
  min-height: var(--button-height-large);
  padding-inline: 18px;
  border-radius: 14px;
  font-size: 14px;
}

:is(.app-body, .browser-body) .button-block {
  width: 100%;
}

:is(.app-body, .browser-body) :is(button, .button):is(:disabled, [aria-disabled="true"], [aria-busy="true"]) {
  cursor: not-allowed;
  opacity: 0.48;
  pointer-events: none;
}

/* Compact controls remain visually small on pointer devices. Coarse pointers
 * receive the WCAG-sized hit area so consistency never costs touch accuracy. */
@media (pointer: coarse) {
  :is(.app-body, .browser-body) :is(.button, .button-small, .button-large) {
    min-height: 44px;
  }

  :is(.app-body, .browser-body) .icon-button {
    width: 44px;
    min-width: 44px;
    height: 44px;
  }
}