/* Scoped full-height workspace; the public landing keeps the universal template. */
.ia-app .ic-workspace {
  grid-template-rows: 48px minmax(0, 1fr);
}
.ia-app .ic-main {
  grid-template-columns: 340px minmax(0, 1fr);
  grid-template-areas: "settings preview";
}
.ia-app .ic-settings {
  grid-area: settings;
  border-left: 0;
  border-right: 1px solid var(--border);
  min-height: 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.ia-app .ic-settings-scroll {
  flex: 1;
  min-height: 0;
  max-height: none;
  padding: 20px;
  overflow: auto;
  overscroll-behavior: contain;
}
.ia-app .ic-preview {
  grid-area: preview;
  grid-template-rows: minmax(0, 1fr);
  min-width: 0;
}
.ia-app fieldset {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}
.ia-app h2 {
  font-size: 12px;
  margin: 20px 0 12px;
  font-weight: 750;
  letter-spacing: 0.01em;
}
.ia-source {
  padding: 0 0 18px;
  border-bottom: 1px solid var(--border);
  overflow-wrap: anywhere;
}
.ia-source strong {
  display: block;
  font-size: 12px;
  margin-bottom: 7px;
}
.ia-source small {
  color: var(--muted);
  font-size: 11px;
}
.ia-section-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.ia-presets {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
}
.ia-presets button,
.ia-history button,
.ia-file-actions button {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 11px;
  min-height: 38px;
  cursor: pointer;
  transition:
    border-color 0.2s,
    background 0.2s;
}
.ia-presets button {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  padding: 11px 4px;
  font-size: 10px;
}
.ia-presets button i {
  font-size: 18px;
  color: var(--brand);
}
.ia-presets button:hover,
.ia-presets button[aria-pressed="true"] {
  border-color: var(--brand);
  background: color-mix(in srgb, var(--brand) 9%, var(--surface));
}
.ia-history {
  display: flex;
  gap: 7px;
  margin: 12px 0 20px;
}
.ia-history button {
  padding: 8px 12px;
}
.ia-history #ia-reset {
  margin-left: auto;
  font-size: 11px;
}
.ia-slider {
  margin: 0 0 17px;
}
.ia-slider-top {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 8px;
}
.ia-slider-top label {
  flex: 1;
  font-size: 11px;
  color: var(--text);
  font-weight: 600;
  cursor: help;
}
.ia-slider-top input {
  width: 66px;
  min-width: 0;
  text-align: right;
  height: 29px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  padding: 3px 5px;
  font-size: 11px;
  appearance: textfield;
}
.ia-slider-top input::-webkit-inner-spin-button {
  appearance: none;
}
.ia-slider-top button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  min-width: 28px;
  min-height: 28px;
  cursor: pointer;
}
.ia-slider-top button:hover {
  color: var(--brand);
}
.ia-slider input[type="range"] {
  width: 100%;
  accent-color: var(--brand);
  cursor: ew-resize;
  margin: 0;
  display: block;
  min-height: 24px;
}
.ia-slider-range {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  color: var(--muted);
}
.ia-output {
  border-top: 1px solid var(--border);
  margin-top: 18px;
}
.ia-app .ic-advanced {
  margin: 20px 0;
}
.ia-app .ic-advanced > div {
  padding: 12px;
}
.ia-app .ic-advanced h2 {
  margin-top: 12px;
}
.ia-file-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 18px 0;
}
.ia-file-actions button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 10px;
  padding: 8px;
}
.ia-file-actions .ia-danger {
  color: var(--danger, #dc5163);
}
.ia-download-dock {
  padding: 14px 18px max(14px, env(safe-area-inset-bottom));
  border-top: 1px solid var(--border);
  background: var(--surface);
  flex: none;
  z-index: 2;
}
.ia-download-dock .ic-primary {
  width: 100%;
  min-height: 47px;
}
.ia-download-dock p {
  font-size: 11px;
  color: var(--muted);
  margin: 0 0 8px;
}
.ia-app .ic-toolbar {
  bottom: 18px;
  max-width: calc(100% - 20px);
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px;
  padding: 7px 9px;
}
.ia-app .ic-toolbar .ic-icon {
  width: 33px;
  min-width: 33px;
  height: 33px;
}
.ia-app .ic-toolbar-rule {
  height: 22px;
}
.ia-app #ic-zoom-value {
  min-width: 44px;
}
.ia-app .ic-comparison-labels {
  top: 16px;
  bottom: auto;
  pointer-events: none;
}
.ia-app
  .ic-preview[data-mode="toggle"]
  .ic-comparison-labels
  > span:first-child {
  display: none;
}
.ia-app .ic-preview.show-original #ic-after-layer {
  visibility: hidden;
}
.ia-app .ic-preview.show-original .ic-comparison-labels > span:last-child {
  display: none;
}
.ia-app .ic-preview.show-original .ic-comparison-labels > span:first-child {
  display: block;
}
.ia-app .ic-image-stage {
  background: repeating-conic-gradient(#e5e7eb 0% 25%, #fff 0% 50%) 50% / 18px
    18px;
}
.ia-app .ic-preview[data-bg="white"] .ic-image-stage {
  background: #fff;
}
.ia-app .ic-preview[data-bg="dark"] .ic-image-stage {
  background: #222;
}
.ia-result {
  border: 1px solid color-mix(in srgb, var(--brand) 30%, var(--border));
  border-radius: 14px;
  background: color-mix(in srgb, var(--brand) 5%, var(--surface));
  padding: 16px;
  overflow-wrap: anywhere;
}
.ia-result > i {
  font-size: 23px;
  color: var(--brand);
}
.ia-result h2 {
  margin: 9px 0;
}
.ia-result p {
  font-size: 11px;
  line-height: 1.7;
}
.ia-result a {
  display: flex;
  margin-top: 10px;
  text-decoration: none;
}
.ia-result .ic-text-button {
  display: block;
  margin-top: 8px;
}
.ia-app.settings-collapsed .ic-main {
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "preview";
}
.ia-app.settings-collapsed .ic-settings {
  display: none;
}
#ia-floating-download {
  position: absolute;
  bottom: max(15px, env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  max-width: calc(100% - 32px);
  width: 230px;
}
#ia-floating-download button {
  width: 100%;
  min-height: 44px;
}
.ia-app.settings-collapsed .ic-toolbar {
  bottom: 78px;
}
.ia-app .ic-failure {
  max-width: min(460px, calc(100% - 36px));
  padding: 22px;
  z-index: 9;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 12px 42px #0002;
}
.ia-app .ic-failure .ic-text-button {
  display: block;
  margin: 12px auto 0;
}
.ia-app .ic-note {
  line-height: 1.7;
}
.ia-app .ic-header {
  padding: 5px 14px;
}
.ia-app .ic-settings-head {
  padding: 12px 18px;
  min-height: 48px;
}
.ia-app .ic-confirm {
  max-width: calc(100% - 30px);
}
@media (max-width: 800px) {
  .ia-app .ic-main {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "preview";
  }
  .ia-app .ic-settings {
    display: none;
    position: absolute;
    left: 0;
    right: auto;
    top: 0;
    bottom: 0;
    max-height: none;
    border-radius: 0;
    width: min(340px, 100%);
    z-index: 12;
    box-shadow: 12px 0 40px #0002;
  }
  .ia-app.settings-open .ic-settings {
    display: flex;
  }
  .ia-app .ic-toolbar {
    bottom: 78px;
  }
  .ia-app.settings-open .ic-toolbar {
    bottom: 18px;
  }
  .ia-app .ic-toolbar .ic-icon {
    width: 31px;
    min-width: 31px;
  }
  .ia-app .ic-mode {
    max-width: 120px;
  }
  .ia-app #ic-view-reset,
  .ia-app #ic-help {
    display: none;
  }
  .ia-app .ic-stage-area {
    min-height: 0;
  }
  .ia-app .ic-settings-scroll {
    padding: 16px;
  }
  .ia-app .ic-header {
    min-height: 48px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .ia-app * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

.ia-app.drag-over .ic-landing {
  background: var(--soft);
  box-shadow: inset 0 0 0 3px var(--brand);
}
.ia-app.drag-over .ic-preview {
  outline: 3px solid var(--brand);
  outline-offset: -4px;
}