.resize-tool-main {
  min-width: 0;
}

.resize-tool-main [hidden] {
  display: none !important;
}

.resize-workspace {
  margin-top: 24px;
  overflow: hidden;
}

.resize-section-head {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.resize-workspace .resize-section-head h2 {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 1.08rem;
}

.resize-section-head p,
.resize-editor-head p,
.resize-auto-panel > p,
.resize-preview-head p,
.resize-info-section > p,
.resize-help {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.resize-concept-guide {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
  background: var(--line);
}

.resize-concept-guide > div {
  position: relative;
  min-width: 0;
  padding: 15px 16px 15px 46px;
  background: var(--surface-soft);
}

.resize-concept-guide strong {
  display: block;
  font-size: 0.94rem;
}

.resize-concept-guide p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.resize-concept-mark {
  position: absolute;
  top: 17px;
  left: 16px;
  width: 20px;
  height: 20px;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: #fff;
}

.resize-concept-mark.is-keep::after {
  content: "✓";
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  color: var(--ok);
  font-size: 0.8rem;
  font-weight: 800;
}

.resize-concept-mark.is-reveal {
  border-color: #cf7f38;
  background: rgba(232, 126, 35, 0.72);
}

.resize-concept-note {
  grid-column: 1 / -1;
  margin: 0 !important;
  padding: 9px 12px;
  background: #fff;
  color: var(--muted);
  font-size: 0.82rem !important;
}

.resize-control-section {
  min-width: 0;
  padding: 20px 18px;
  border-bottom: 1px solid var(--line);
}

.resize-control-section h3,
.resize-editor-panel h3,
.resize-auto-panel h3,
.resize-preview-section h3,
.resize-result h2,
.resize-result h3,
.resize-info-section h2,
.resize-info-section h3 {
  margin: 0;
}

.resize-control-section > h3 {
  margin-bottom: 13px;
  font-size: 1rem;
}

.resize-file-row {
  display: grid;
  grid-template-columns: minmax(250px, 0.9fr) minmax(320px, 1.1fr);
  gap: 16px;
}

.resize-drop-zone {
  display: grid;
  place-items: center;
  align-content: center;
  min-height: 260px;
  padding: 28px 18px;
  border: 1px dashed var(--line-strong);
  border-radius: 10px;
  background: #faf6f0;
  text-align: center;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.resize-drop-zone:hover,
.resize-drop-zone.is-dragover {
  border-color: var(--accent);
  background: #f7eee6;
}

.resize-drop-zone:focus-within {
  outline: 3px solid rgba(163, 88, 79, 0.28);
  outline-offset: 3px;
}

.resize-drop-zone svg {
  width: 48px;
  height: 48px;
  margin-bottom: 10px;
  color: var(--accent);
}

.resize-drop-zone strong,
.resize-drop-zone span {
  display: block;
}

.resize-drop-zone span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.88rem;
}

.resize-drop-zone .button {
  margin-top: 14px;
}

.resize-sample-box {
  display: grid;
  grid-template-columns: 138px minmax(0, 1fr);
  gap: 16px;
  min-height: 260px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-soft);
}

.resize-sample-box > img {
  width: 138px;
  height: 100%;
  min-height: 226px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 8px;
  background-color: #f8f8f8;
  background-image:
    linear-gradient(45deg, #dedede 25%, transparent 25%),
    linear-gradient(-45deg, #dedede 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #dedede 75%),
    linear-gradient(-45deg, transparent 75%, #dedede 75%);
  background-size: 18px 18px;
  background-position: 0 0, 0 9px, 9px -9px, -9px 0;
}

.resize-sample-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
}

.resize-sample-copy > strong {
  font-size: 0.98rem;
}

.resize-sample-copy > p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.resize-sample-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 15px;
}

.resize-sample-actions .button,
.resize-sample-actions .button-subtle {
  flex: 1 1 170px;
  min-height: 40px;
  padding: 8px 11px;
  font-size: 0.86rem;
}

.resize-visually-hidden {
  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;
}

.resize-file-section > .resize-help {
  margin-top: 10px;
}

.resize-file-info,
.resize-result-info {
  display: grid;
  gap: 0;
  margin: 14px 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

.resize-file-info {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.resize-file-info > div,
.resize-result-info > div {
  min-width: 0;
  padding: 10px 12px;
  border-left: 1px solid var(--line);
}

.resize-file-info > div:first-child,
.resize-result-info > div:first-child {
  border-left: 0;
}

.resize-file-info dt,
.resize-result-info dt {
  color: var(--muted);
  font-size: 0.78rem;
}

.resize-file-info dd,
.resize-result-info dd {
  min-width: 0;
  margin: 3px 0 0;
  overflow-wrap: anywhere;
  font-size: 0.88rem;
  font-weight: 700;
}

.resize-optional-section {
  margin: 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-soft);
}

.resize-optional-section > summary,
.resize-other-selection > summary {
  padding: 13px 15px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 700;
}

.resize-optional-body {
  padding: 16px;
  border-top: 1px solid var(--line);
  background: #fffdfa;
  border-radius: 0 0 10px 10px;
}

.resize-optional-body > p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.resize-check-row {
  display: flex;
  gap: 9px;
  align-items: center;
  margin-top: 14px;
  font-weight: 700;
}

.resize-background-controls,
.resize-output-settings {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: end;
  margin-top: 14px;
}

.resize-color-control,
.resize-text-field,
.resize-select-field {
  display: grid;
  gap: 5px;
  min-width: 170px;
  font-size: 0.86rem;
  font-weight: 700;
}

.resize-color-control input[type="color"] {
  width: 72px;
  height: 42px;
  padding: 3px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
}

.resize-text-field input,
.resize-select-field select {
  min-height: 42px;
  padding: 8px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fff;
  color: inherit;
  font: inherit;
}

.resize-range-field {
  margin-top: 15px;
}

.resize-range-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.resize-range-head label {
  font-size: 0.88rem;
  font-weight: 700;
}

.resize-range-head output {
  min-width: 3em;
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--accent);
  text-align: center;
  font-size: 0.84rem;
  font-weight: 700;
}

.resize-range-field input[type="range"] {
  width: 100%;
  min-height: 30px;
  accent-color: var(--accent);
}

.resize-range-field p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.resize-editor-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 290px;
  gap: 20px;
  padding: 20px 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.resize-editor-head,
.resize-preview-head,
.resize-result-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.resize-editor-head h3,
.resize-preview-head h3,
.resize-auto-panel h3 {
  font-size: 1rem;
}

.resize-mask-status,
.resize-result-status {
  flex: 0 0 auto;
  padding: 4px 9px;
  border: 1px solid #cbbda9;
  border-radius: 6px;
  background: #f8f1e7;
  color: #694d2e;
  font-size: 0.78rem;
  font-weight: 700;
}

.resize-editor-hint {
  margin-top: 12px;
  padding: 11px 13px;
  border-left: 3px solid var(--accent);
  background: var(--surface-soft);
}

.resize-editor-hint > strong {
  font-size: 0.86rem;
}

.resize-editor-hint ol {
  margin: 5px 0 0;
  padding-left: 1.4em;
  color: var(--muted);
  font-size: 0.82rem;
}

.resize-editor-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 430px;
  margin-top: 14px;
  padding: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background-color: #f8f8f8;
  background-image:
    linear-gradient(45deg, #dedede 25%, transparent 25%),
    linear-gradient(-45deg, #dedede 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #dedede 75%),
    linear-gradient(-45deg, transparent 75%, #dedede 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  touch-action: none;
}

.resize-editor-empty {
  max-width: 320px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 253, 250, 0.9);
  color: var(--muted);
  text-align: center;
}

.resize-editor-empty strong,
.resize-editor-empty span {
  display: block;
}

.resize-editor-empty strong {
  color: var(--text);
  font-size: 0.9rem;
}

.resize-editor-empty span {
  margin-top: 4px;
  font-size: 0.8rem;
}

#editor-canvas {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 720px;
  cursor: crosshair;
  touch-action: none;
}

.resize-brush-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-top: 12px;
}

.resize-brush-toolbar > label {
  margin-left: 2px;
  font-size: 0.84rem;
  font-weight: 700;
}

.resize-brush-toolbar input[type="range"] {
  width: 145px;
  accent-color: var(--accent);
}

.resize-segmented {
  display: inline-flex;
}

.resize-segmented .button-subtle {
  border-radius: 0;
}

.resize-segmented .button-subtle:first-child {
  border-radius: 8px 0 0 8px;
}

.resize-segmented .button-subtle:last-child {
  margin-left: -1px;
  border-radius: 0 8px 8px 0;
}

.button-subtle.is-active {
  border-color: #8d6842;
  background: #f2e5d4;
  color: #4f351c;
}

.resize-auto-panel {
  min-width: 0;
  padding-left: 20px;
  border-left: 1px solid var(--line);
}

.resize-auto-panel > p {
  margin-top: 5px;
}

.resize-color-selection-box {
  margin-top: 15px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface-soft);
}

.resize-color-selection-box .resize-color-control {
  min-width: 0;
}

.resize-color-selection-box > .button-subtle {
  width: 100%;
  margin-top: 10px;
}

.resize-auto-panel > .button {
  width: 100%;
  margin-top: 13px;
}

.resize-other-selection {
  margin-top: 14px;
  border-top: 1px solid var(--line);
}

.resize-other-selection > summary {
  padding-right: 0;
  padding-left: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.resize-other-selection .resize-select-field {
  min-width: 0;
  margin-top: 4px;
}

.resize-auto-option {
  margin-top: 13px;
}

.resize-preview-section {
  padding: 20px 18px;
  border-bottom: 1px solid var(--line);
}

.resize-background-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.resize-preview-grid,
.resize-result-preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 14px;
}

.resize-preview-card,
.resize-result-preview-grid figure {
  min-width: 0;
  margin: 0;
}

.resize-preview-card figcaption,
.resize-result-preview-grid figcaption {
  margin-bottom: 7px;
  font-size: 0.88rem;
  font-weight: 700;
}

.resize-preview-surface,
.resize-result-surface {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  padding: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.resize-preview-surface.is-white,
.resize-result-surface.is-white {
  background: #fff;
}

.resize-preview-surface.is-black,
.resize-result-surface.is-black {
  background: #111;
}

.resize-preview-surface.is-checker,
.resize-result-surface.is-checker {
  background-color: #f8f8f8;
  background-image:
    linear-gradient(45deg, #ddd 25%, transparent 25%),
    linear-gradient(-45deg, #ddd 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #ddd 75%),
    linear-gradient(-45deg, transparent 75%, #ddd 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
}

.resize-preview-surface canvas,
.resize-result-surface canvas,
.resize-result-surface img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 580px;
  object-fit: contain;
}

.resize-preview-surface p {
  max-width: 260px;
  margin: 0;
  color: var(--muted);
  text-align: center;
  font-size: 0.84rem;
}

.resize-progress {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 3.5em;
  gap: 10px;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}

.resize-progress progress {
  width: 100%;
}

.resize-tool-actions {
  margin: 0;
}

.resize-message {
  margin: 0 18px 18px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8f5f0;
  font-size: 0.88rem;
}

.resize-message.is-success {
  border-color: #a7bea1;
  background: #f0f7ee;
  color: #31542d;
}

.resize-message.is-warning {
  border-color: #d4b57f;
  background: #fff8e8;
  color: #684b20;
}

.resize-message.is-error {
  border-color: #d3a2a2;
  background: #fff1f1;
  color: #762f2f;
}

.resize-message.is-info {
  border-color: #aebdca;
  background: #f2f6f9;
  color: #334f66;
}

.resize-result {
  margin-top: 22px;
  padding: 20px;
}

.resize-result-label {
  margin: 0 0 3px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.resize-result-head h2 {
  font-size: 1.18rem;
}

.resize-result-info {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.resize-result-actions {
  display: flex;
  justify-content: center;
  margin-top: 17px;
}


.resize-result-support {
  margin-top: 16px;
}

.resize-x-check {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.resize-x-check h3 {
  font-size: 1rem;
}

.resize-x-check ol {
  margin: 9px 0;
  padding-left: 1.4em;
}

.resize-x-check p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.resize-info-section {
  margin-top: 22px;
  padding: 20px;
}

.resize-info-section h2 {
  font-size: 1.15rem;
}

.resize-info-section h2 + p,
.resize-info-section h2 + .resize-two-column-list,
.resize-info-section h2 + .resize-faq,
.resize-info-section h2 + .resize-prompt-note {
  margin-top: 10px;
}

.resize-info-section p {
  margin-top: 9px;
}

.resize-two-column-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.resize-two-column-list h3 {
  font-size: 0.98rem;
}

.resize-two-column-list ul,
.resize-demo-layout ul {
  margin: 8px 0 0;
  padding-left: 1.3em;
}

.resize-demo-layout {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 22px;
  align-items: center;
}

.resize-demo-visual {
  display: grid;
  place-items: center;
  min-height: 260px;
  padding: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background-color: #f8f8f8;
  background-image:
    linear-gradient(45deg, #dedede 25%, transparent 25%),
    linear-gradient(-45deg, #dedede 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #dedede 75%),
    linear-gradient(-45deg, transparent 75%, #dedede 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
}

.resize-demo-visual img {
  max-height: 260px;
  object-fit: contain;
}

.resize-demo-layout > div:last-child > p {
  color: var(--muted);
}

.resize-demo-layout .button-subtle {
  margin-top: 14px;
}

.resize-prompt-note {
  padding: 11px 13px;
  border-left: 3px solid var(--ok);
  background: var(--ok-soft);
}

.resize-prompt-note strong {
  font-size: 0.88rem;
}

.resize-prompt-note p {
  margin: 3px 0 0;
  color: #456654;
  font-size: 0.84rem;
}

.resize-prompt-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 15px;
}

.resize-prompt-grid > section {
  min-width: 0;
}

.resize-prompt-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 7px;
}

.resize-prompt-head h3 {
  font-size: 0.96rem;
}

.resize-prompt-grid textarea {
  width: 100%;
  min-height: 330px;
  padding: 12px;
  resize: vertical;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fffdfa;
  color: inherit;
  font: 0.84rem/1.7 inherit;
}

.resize-faq {
  margin-bottom: 0;
}

.resize-faq details {
  border-top: 1px solid var(--line);
}

.resize-faq details:first-child {
  border-top: 0;
}

.resize-faq summary {
  padding: 13px 2px;
  cursor: pointer;
  font-weight: 700;
}

.resize-faq details p {
  margin: -2px 0 14px;
  padding: 0 2px;
  color: var(--muted);
  font-size: 0.88rem;
}

@media (max-width: 900px) {
  .resize-file-info,
  .resize-result-info {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .resize-file-info > div:nth-child(odd),
  .resize-result-info > div:nth-child(odd) {
    border-left: 0;
  }

  .resize-file-info > div:nth-child(n + 3),
  .resize-result-info > div:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .resize-editor-layout {
    grid-template-columns: 1fr;
  }

  .resize-auto-panel {
    padding: 18px 0 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }
}

@media (max-width: 700px) {
  .resize-concept-guide,
  .resize-file-row,
  .resize-preview-grid,
  .resize-result-preview-grid,
  .resize-two-column-list,
  .resize-prompt-grid,
  .resize-demo-layout {
    grid-template-columns: 1fr;
  }

  .resize-concept-note {
    grid-column: auto;
  }

  .resize-sample-box {
    grid-template-columns: 104px minmax(0, 1fr);
    min-height: 0;
  }

  .resize-sample-box > img {
    width: 104px;
    min-height: 190px;
  }

  .resize-editor-head,
  .resize-preview-head,
  .resize-result-head {
    flex-direction: column;
    align-items: stretch;
  }

  .resize-background-controls,
  .resize-output-settings {
    display: grid;
    grid-template-columns: 1fr;
  }

  .resize-color-control,
  .resize-text-field,
  .resize-select-field {
    min-width: 0;
  }

  .resize-editor-stage {
    min-height: 330px;
  }

  .resize-preview-surface,
  .resize-result-surface {
    min-height: 240px;
  }

  .resize-progress {
    grid-template-columns: 1fr auto;
  }

  .resize-progress label {
    grid-column: 1 / -1;
  }

  .resize-demo-visual {
    min-height: 320px;
  }

  .resize-demo-visual img {
    max-height: 320px;
  }
}

@media (max-width: 480px) {
  .resize-control-section,
  .resize-editor-layout,
  .resize-preview-section,
  .resize-section-head,
  .resize-info-section,
  .resize-result {
    padding-right: 14px;
    padding-left: 14px;
  }

  .resize-concept-guide {
    padding: 14px;
  }

  .resize-optional-section {
    margin-right: 14px;
    margin-left: 14px;
  }

  .resize-sample-box {
    grid-template-columns: 1fr;
  }

  .resize-sample-box > img {
    width: 100%;
    height: 220px;
    min-height: 0;
  }

  .resize-sample-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .resize-brush-toolbar {
    align-items: flex-start;
  }

  .resize-brush-toolbar input[type="range"] {
    width: min(180px, 100%);
  }

  .resize-file-info,
  .resize-result-info {
    grid-template-columns: 1fr;
  }

  .resize-file-info > div,
  .resize-result-info > div,
  .resize-file-info > div:nth-child(odd),
  .resize-result-info > div:nth-child(odd) {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .resize-file-info > div:first-child,
  .resize-result-info > div:first-child {
    border-top: 0;
  }
}