/* Interaction gate (auth pages + admin preview layer) */
/* Theme tokens: --fe-accent / --p-accent from FrontendTheme; layer is under body so rules must be self-contained */
.fe-igate-layer .fe-igate-body,
.fe-igate-admin-preview-layer .fe-igate-body {
  padding: 0.5rem 0.25rem 0.25rem;
  min-width: 280px;
}
.fe-igate-hint {
  font-size: 0.88rem;
  color: var(--fe-muted, var(--p-muted, #64748b));
  margin: 0 0 0.75rem;
}
.fe-igate-slide-track {
  height: 44px;
  border-radius: 8px;
  position: relative;
  overflow: hidden;
  touch-action: none;
  background: #e2e8f0;
  margin: 0 auto 0.75rem;
}
.fe-igate-slide-slot {
  position: absolute;
  top: 0;
  bottom: 0;
  background: rgba(25, 135, 84, 0.25);
  border: 2px dashed rgba(25, 135, 84, 0.6);
  border-radius: 6px;
  box-sizing: border-box;
  pointer-events: none;
}
.fe-igate-slide-knob {
  position: absolute;
  top: 0;
  height: 100%;
  background: var(--fe-accent, var(--p-accent, #3b82f6));
  border-radius: 6px;
  cursor: grab;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  user-select: none;
  touch-action: none;
}
.fe-igate-slide-knob:active { cursor: grabbing; }
.fe-igate-rotate-stage {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  margin-bottom: 0.65rem;
}
.fe-igate-rotate-label {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--fe-accent, var(--p-accent, #3b82f6));
  display: inline-block;
  transition: transform 0.08s linear;
}
.fe-igate-math-input {
  width: 100%;
  max-width: 160px;
  padding: 0.45rem 0.65rem;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  font-size: 1rem;
  margin-bottom: 0.75rem;
}
.fe-igate-icon-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 0.75rem;
}
.fe-igate-icon-btn {
  width: 3rem;
  height: 3rem;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #fff;
  font-size: 1.5rem;
  color: #334155;
  cursor: pointer;
}
.fe-igate-icon-btn:hover {
  border-color: var(--fe-accent, var(--p-accent, #3b82f6));
  background: var(--fe-accent-soft, #eff6ff);
}
.fe-igate-icon-btn.is-picked {
  border-color: var(--fe-accent, var(--p-accent, #3b82f6));
  box-shadow: 0 0 0 2px var(--fe-accent-soft, rgba(59, 130, 246, 0.28));
}
.fe-igate-actions {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: stretch;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.15rem;
  width: 100%;
  box-sizing: border-box;
}
/* layer 挂到 body，需覆盖 layui/浏览器默认按钮样式 */
.fe-igate-layer .fe-igate-actions .fe-btn,
.fe-igate-admin-preview-layer .fe-igate-actions .fe-btn {
  -webkit-appearance: none;
  appearance: none;
  box-sizing: border-box;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.35;
  padding: 0.4rem 0.95rem;
  border-radius: 0.35rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 0;
  min-width: 5.5rem;
  max-width: none;
  width: auto !important;
  margin-top: 0 !important;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, filter 0.15s ease;
}
.fe-igate-layer .fe-igate-actions .fe-btn-primary,
.fe-igate-admin-preview-layer .fe-igate-actions .fe-btn-primary {
  background: var(--fe-accent, var(--p-accent, #3b82f6));
  color: #fff;
  border: 1px solid transparent;
}
.fe-igate-layer .fe-igate-actions .fe-btn-primary:hover:not(:disabled),
.fe-igate-admin-preview-layer .fe-igate-actions .fe-btn-primary:hover:not(:disabled) {
  filter: brightness(1.06);
}
.fe-igate-layer .fe-igate-actions .fe-btn-primary:active:not(:disabled),
.fe-igate-admin-preview-layer .fe-igate-actions .fe-btn-primary:active:not(:disabled) {
  filter: brightness(0.96);
}
.fe-igate-layer .fe-igate-actions .fe-btn-secondary,
.fe-igate-admin-preview-layer .fe-igate-actions .fe-btn-secondary {
  background: var(--fe-card, #fff);
  color: #334155;
  border: 1px solid var(--fe-border, #e2e8f0);
}
.fe-igate-layer .fe-igate-actions .fe-btn-secondary:hover:not(:disabled),
.fe-igate-admin-preview-layer .fe-igate-actions .fe-btn-secondary:hover:not(:disabled) {
  background: var(--fe-accent-soft, #f1f5f9);
  border-color: var(--fe-accent, var(--p-accent, #3b82f6));
  color: var(--fe-accent, var(--p-accent, #2563eb));
}
.fe-igate-layer .fe-igate-actions .fe-btn:disabled,
.fe-igate-admin-preview-layer .fe-igate-actions .fe-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  filter: none;
}
.fe-igate-layer .fe-igate-actions .fe-btn:focus-visible,
.fe-igate-admin-preview-layer .fe-igate-actions .fe-btn:focus-visible {
  outline: 2px solid var(--fe-accent, var(--p-accent, #3b82f6));
  outline-offset: 2px;
}
.fe-igate-text-wrap {
  display: flex;
  justify-content: center;
  margin: 0 0 0.75rem;
}
.fe-igate-text-img {
  display: block;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  background: #f8fafc;
  user-select: none;
}
.fe-igate-text-input {
  display: block;
  width: 100%;
  max-width: 200px;
  margin: 0 auto 0.75rem;
  padding: 0.45rem 0.65rem;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-align: center;
  text-transform: uppercase;
}
.fe-igate-admin-preview-layer .fe-igate-text-wrap,
.fe-igate-admin-preview-layer .fe-igate-text-input {
  margin-left: auto;
  margin-right: auto;
}