.tool-hero .eyebrow { margin-bottom: 1rem; }
.tool-content .info-card { height: 100%; }
.tool-content .button { margin-top: 1rem; }

.tool-layout {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  padding-bottom: 4rem;
}

.tool-layout > * {
  min-width: 0;
}

.tool-surface,
.tool-panel {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  min-width: 0;
}

.tool-surface {
  padding: 1.5rem;
}

.tool-panel {
  padding: 1.35rem;
}

.tool-stack {
  display: grid;
  gap: 1rem;
  min-width: 0;
}

.tool-stack > * {
  min-width: 0;
}

.tool-toolbar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.compact-actions {
  gap: 0.6rem;
}

.compact-actions .button,
.compact-actions .secondary-button {
  margin-top: 0;
}

.tool-form-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  min-width: 0;
}

.tool-form-grid > * {
  min-width: 0;
}

.tool-field {
  display: grid;
  gap: 0.45rem;
}

.tool-field.full {
  grid-column: 1 / -1;
}

.tool-label {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text);
}

.tool-input,
.tool-select,
.tool-textarea {
  width: 100%;
  border: 1px solid rgba(24, 36, 51, 0.14);
  border-radius: 16px;
  padding: 0.95rem 1rem;
  font: inherit;
  color: var(--text);
  background: rgba(255, 255, 255, 0.92);
}

.tool-input,
.tool-select {
  min-height: 50px;
}

.tool-input:focus,
.tool-select:focus,
.tool-textarea:focus {
  outline: none;
  border-color: rgba(230, 103, 46, 0.55);
  box-shadow: 0 0 0 4px rgba(230, 103, 46, 0.12);
}

.tool-textarea {
  min-height: 180px;
  resize: vertical;
}

.tool-dropzone {
  border: 1px dashed rgba(24, 36, 51, 0.22);
  border-radius: 24px;
  padding: 1.5rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(255,245,232,0.9));
}

.tool-dropzone.is-dragover {
  border-color: rgba(230, 103, 46, 0.52);
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(255,236,214,0.95));
}

.tool-dropzone strong {
  display: block;
  margin-bottom: 0.35rem;
}

.file-list,
.stats-grid,
.palette-grid {
  display: grid;
  gap: 0.8rem;
}

.file-list {
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}

.file-chip,
.stat-chip,
.palette-card,
.result-card {
  border: 1px solid rgba(24, 36, 51, 0.12);
  background: rgba(255,255,255,0.92);
  border-radius: 18px;
  padding: 0.95rem 1rem;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

.stats-grid {
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

.stat-chip strong {
  display: block;
  font-size: 1.5rem;
  color: var(--text);
  margin-bottom: 0.2rem;
}

.tool-preview {
  min-height: 220px;
  width: 100%;
  max-width: 100%;
  border: 1px dashed rgba(24, 36, 51, 0.16);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(250,250,250,0.92), rgba(244,240,232,0.86));
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 1rem;
  box-sizing: border-box;
}

.tool-preview img,
.tool-preview canvas {
  max-width: 100%;
  max-height: 420px;
  border-radius: 18px;
}

.text-result-card,
.diff-card {
  width: 100%;
}

.text-file-preview {
  white-space: pre-wrap;
  word-break: break-word;
  font: inherit;
  margin: 0;
  color: #334155;
}

.diff-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.diff-lines {
  display: grid;
  gap: 0.4rem;
}

.diff-line {
  border-radius: 12px;
  padding: 0.7rem 0.8rem;
  border: 1px solid rgba(24, 36, 51, 0.08);
  background: rgba(248, 250, 252, 0.9);
  min-height: 48px;
}

.diff-line.same {
  background: rgba(241, 245, 249, 0.9);
}

.diff-line.added {
  background: rgba(220, 252, 231, 0.92);
  border-color: rgba(34, 197, 94, 0.18);
}

.diff-line.removed {
  background: rgba(254, 226, 226, 0.92);
  border-color: rgba(239, 68, 68, 0.18);
}

.document-preview {
  place-items: start;
  overflow: auto;
}

.document-preview-sheet,
.pdf-word-sheet {
  width: min(100%, 720px);
  margin: 0 auto;
  background: #ffffff;
  color: #111827;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(24, 36, 51, 0.08);
}

.document-preview-sheet {
  padding: 24px;
  line-height: 1.7;
}

.document-preview-frame {
  width: 100%;
  display: grid;
  justify-items: center;
}

.rich-export-sheet {
  font-family: Calibri, Arial, sans-serif;
  color: #111827;
  line-height: 1.6;
}

.rich-export-sheet h1,
.rich-export-sheet h2,
.rich-export-sheet h3,
.rich-export-sheet h4,
.rich-export-sheet h5,
.rich-export-sheet h6 {
  color: #0f172a;
  line-height: 1.22;
  letter-spacing: normal;
  margin: 0 0 0.8rem;
}

.rich-export-sheet p {
  margin: 0 0 0.8rem;
  color: #374151;
}

.rich-export-sheet ul,
.rich-export-sheet ol {
  margin: 0 0 0.95rem 1.25rem;
  padding: 0;
}

.rich-export-sheet li {
  margin-bottom: 0.3rem;
  color: #374151;
}

.rich-export-sheet table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.8rem 0 1rem;
}

.rich-export-sheet th,
.rich-export-sheet td {
  border: 1px solid rgba(24, 36, 51, 0.16);
  padding: 0.45rem 0.6rem;
  vertical-align: top;
}

.rich-export-sheet img {
  max-width: 100%;
  height: auto;
}

.document-preview-sheet h1,
.document-preview-sheet h2,
.document-preview-sheet h3,
.document-preview-sheet h4,
.document-preview-sheet h5,
.document-preview-sheet h6 {
  letter-spacing: normal;
  line-height: 1.2;
  margin-top: 0;
}

.document-preview-sheet p,
.document-preview-sheet li {
  color: #374151;
}

.document-preview-sheet table {
  width: 100%;
  border-collapse: collapse;
}

.document-preview-sheet td,
.document-preview-sheet th {
  border: 1px solid rgba(24, 36, 51, 0.12);
  padding: 0.55rem 0.7rem;
}

.text-file-preview {
  margin: 0;
  white-space: pre-wrap;
  font-family: "Consolas", "Cascadia Mono", monospace;
}

.pdf-word-page {
  width: 100%;
  display: grid;
  gap: 0.5rem;
  justify-items: center;
}

.pdf-word-page + .pdf-word-page {
  margin-top: 1.25rem;
}

.pdf-word-sheet {
  padding: 28px 24px;
  border: 1px solid rgba(24, 36, 51, 0.12);
  box-sizing: border-box;
}

.pdf-word-line {
  margin-top: 0;
  margin-bottom: 0.45em;
  line-height: 1.35;
  color: #111827;
  white-space: pre-wrap;
}

.pdf-word-page-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted);
}

.tool-status {
  min-height: 56px;
  border-radius: 18px;
  padding: 0.95rem 1rem;
  background: rgba(17, 128, 148, 0.08);
  color: #0f6777;
  font-weight: 600;
}

.tool-status.error {
  background: rgba(190, 53, 33, 0.09);
  color: #9f301d;
}

.tool-status.warn {
  background: rgba(147, 82, 10, 0.09);
  color: #93520a;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.secondary-button {
  background: rgba(255, 255, 255, 0.82);
  color: var(--text);
  border: 1px solid rgba(24, 36, 51, 0.12);
}

.small-note {
  font-size: 0.92rem;
}

.tool-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.tool-list li + li {
  margin-top: 0.65rem;
}

.qr-output {
  display: grid;
  justify-items: center;
  gap: 1rem;
}

.qr-card {
  --qr-card-fill: #ffffff;
  --qr-card-accent: #f6f8fb;
  --qr-card-text: #182433;
  --qr-card-muted: #5b6574;
  --qr-font-family: "Segoe UI", Arial, sans-serif;
  display: grid;
  justify-items: center;
  gap: 1rem;
  padding: 1.4rem;
  border-radius: 28px;
  background: var(--qr-card-fill);
  color: var(--qr-card-text);
  box-shadow: 0 18px 40px rgba(24, 36, 51, 0.1);
}

.qr-card.is-instagram {
  background: linear-gradient(135deg, #833ab4, #fd1d1d 58%, #fcb045);
}

.qr-card.is-business {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.72), rgba(255,255,255,0.72)),
    linear-gradient(135deg, #f7f1e8, #efe1ca);
}

.qr-card.is-dark {
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.18), transparent 32%),
    linear-gradient(160deg, #0f172a, #111827);
}

.qr-frame {
  --qr-frame-color: #182433;
  --qr-frame-width: 4px;
  --qr-frame-radius: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.qr-frame.is-none {
  padding: 0;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

.qr-frame.is-clean {
  padding: 18px;
  border: var(--qr-frame-width) solid var(--qr-frame-color);
  border-radius: var(--qr-frame-radius);
  box-shadow: 0 16px 28px rgba(24, 36, 51, 0.08);
}

.qr-frame.is-rounded {
  padding: 22px;
  border: calc(var(--qr-frame-width) + 2px) solid var(--qr-frame-color);
  border-radius: var(--qr-frame-radius);
  box-shadow: 0 18px 34px rgba(24, 36, 51, 0.12);
}

.qr-frame.is-dashed {
  padding: 20px;
  border: var(--qr-frame-width) dashed var(--qr-frame-color);
  border-radius: var(--qr-frame-radius);
  box-shadow: 0 12px 28px rgba(24, 36, 51, 0.08);
}

.qr-frame.is-double {
  padding: 24px;
  border: var(--qr-frame-width) solid var(--qr-frame-color);
  border-radius: var(--qr-frame-radius);
  box-shadow: 0 16px 30px rgba(24, 36, 51, 0.1), inset 0 0 0 calc(var(--qr-frame-width) + 6px) var(--qr-frame-color);
}

.qr-frame.is-bubble {
  padding: 24px;
  border: var(--qr-frame-width) solid var(--qr-frame-color);
  border-radius: 42px 42px 34px 34px;
  box-shadow: 0 18px 30px rgba(24, 36, 51, 0.1), inset 0 0 0 3px rgba(255, 255, 255, 0.72);
}

.qr-frame.is-ticket {
  padding: 24px;
  border: var(--qr-frame-width) solid var(--qr-frame-color);
  border-radius: 22px;
  clip-path: polygon(12px 0, calc(100% - 12px) 0, 100% 12px, 100% calc(100% - 12px), calc(100% - 12px) 100%, 12px 100%, 0 calc(100% - 12px), 0 12px);
  box-shadow: 0 16px 28px rgba(24, 36, 51, 0.08);
}

.qr-frame.is-sticker {
  padding: 25px;
  border: var(--qr-frame-width) solid var(--qr-frame-color);
  border-radius: 30px;
  box-shadow: 8px 8px 0 rgba(24, 36, 51, 0.12), inset 0 0 0 4px rgba(255, 255, 255, 0.75);
}

.qr-frame.is-neon {
  padding: 24px;
  border: var(--qr-frame-width) solid var(--qr-frame-color);
  border-radius: var(--qr-frame-radius);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.6), 0 0 18px rgba(24, 36, 51, 0.28), 0 0 34px rgba(59, 130, 246, 0.42);
}

.qr-frame.is-cloud {
  padding: 24px;
  border: var(--qr-frame-width) solid var(--qr-frame-color);
  border-radius: 42px 42px 36px 36px / 28px 28px 44px 44px;
  box-shadow: 0 18px 28px rgba(24, 36, 51, 0.09);
}

.qr-stage canvas,
.qr-stage img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 12px;
}

.qr-copy {
  display: grid;
  justify-items: center;
  gap: 0.3rem;
  text-align: center;
}

.qr-copy strong {
  font-size: 1.15rem;
  color: var(--qr-card-text);
  font-family: var(--qr-font-family);
}

.qr-copy span {
  font-size: 0.95rem;
  color: var(--qr-card-muted);
  font-family: var(--qr-font-family);
}

.palette-grid {
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

.palette-swatch {
  height: 82px;
  border-radius: 18px;
  margin-bottom: 0.75rem;
  border: 1px solid rgba(24, 36, 51, 0.08);
}

.sortable-list {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.merge-board {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 240px));
  gap: 1rem;
  align-items: start;
}

.merge-card.sortable-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
  padding: 1.9rem 0.85rem 0.9rem;
  border-radius: 18px;
  border: 1px solid rgba(24, 36, 51, 0.14);
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(248,247,244,0.94));
  box-shadow: 0 14px 30px rgba(24, 36, 51, 0.08);
}

.merge-badge {
  position: absolute;
  top: -0.95rem;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  background: #6f717b;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1;
  padding: 0.55rem 0.85rem;
  border-radius: 10px;
  box-shadow: 0 8px 18px rgba(24, 36, 51, 0.14);
}

.merge-badge::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -8px;
  transform: translateX(-50%);
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid #6f717b;
}

.merge-thumb-wrap {
  position: relative;
}

.merge-thumb {
  aspect-ratio: 0.72 / 1;
  border-radius: 14px;
  border: 1px solid rgba(24, 36, 51, 0.12);
  background: linear-gradient(180deg, #ffffff, #f5f3ef);
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 0.95rem;
}

.merge-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(24, 36, 51, 0.08);
}

.merge-thumb-placeholder {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--muted);
}

.merge-controls {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  display: flex;
  gap: 0.35rem;
}

.merge-icon {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid rgba(24, 36, 51, 0.16);
  background: rgba(255,255,255,0.98);
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  font-weight: 900;
  box-shadow: 0 6px 12px rgba(24, 36, 51, 0.1);
}

.merge-icon:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.merge-icon.danger {
  color: #9f301d;
}

.merge-name {
  font-size: 0.95rem;
  color: #5e646f;
  text-align: center;
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sortable-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.85rem;
  padding: 0.9rem 1rem;
  border-radius: 18px;
  border: 1px solid rgba(24, 36, 51, 0.12);
  background: rgba(255, 255, 255, 0.96);
}

.sortable-item.dragging {
  opacity: 0.55;
}

.drag-handle {
  border: 0;
  background: rgba(24, 36, 51, 0.06);
  color: var(--muted);
  border-radius: 12px;
  width: 42px;
  height: 42px;
  font: inherit;
  font-weight: 800;
  cursor: grab;
}

.sortable-meta {
  min-width: 0;
}

.sortable-meta strong,
.sortable-meta span {
  display: block;
}

.sortable-meta strong {
  color: var(--text);
  word-break: break-word;
  overflow-wrap: break-word;
  white-space: normal;
  line-height: 1.35;
}

.sortable-meta span {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.15rem;
}

.sortable-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: flex-end;
}

.mini-action {
  border: 1px solid rgba(24, 36, 51, 0.12);
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  border-radius: 999px;
  padding: 0.55rem 0.8rem;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 700;
}

.mini-action:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.mini-action.danger {
  color: #9f301d;
  border-color: rgba(159, 48, 29, 0.18);
  background: rgba(190, 53, 33, 0.05);
}

.range-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.metric-highlight {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.04em;
}

.preview-columns {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.progress-card {
  gap: 0.85rem;
}

.progress-shell {
  width: 100%;
  height: 12px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(24, 36, 51, 0.08);
}

.progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #e6672e, #ffb36c);
  border-radius: inherit;
}

.progress-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.pdf-studio-shell {
  display: grid;
  gap: 1rem;
}

.pdf-studio-panel {
  overflow: hidden;
}

.studio-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.studio-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0.6rem 0.9rem;
  border-radius: 999px;
  background: rgba(24, 36, 51, 0.08);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 700;
}

.pdf-studio-scroll {
  display: grid;
  gap: 1.25rem;
  max-height: 920px;
  overflow: auto;
  padding-right: 0.25rem;
}

.pdf-page-stage {
  position: relative;
  width: fit-content;
  margin: 0 auto;
}

.pdf-page-paper {
  position: relative;
  background: #ffffff;
  border-radius: 18px;
  border: 1px solid rgba(24, 36, 51, 0.14);
  box-shadow: 0 16px 36px rgba(24, 36, 51, 0.08);
  overflow: hidden;
}

.pdf-page-paper canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

.pdf-overlay-layer {
  position: absolute;
  inset: 0;
  cursor: crosshair;
}

.pdf-overlay-item {
  position: absolute;
  border: 0;
  border-radius: 14px;
  background: rgba(255,255,255,0.1);
  display: grid;
  place-items: center;
  overflow: hidden;
  cursor: grab;
  touch-action: none;
  padding: 0;
  box-shadow: inset 0 0 0 2px rgba(230, 103, 46, 0.38);
}

.pdf-overlay-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
}

.pdf-overlay-item.selected {
  box-shadow:
    inset 0 0 0 2px #e6672e,
    0 0 0 4px rgba(230, 103, 46, 0.18);
}

.pdf-overlay-item.dragging {
  cursor: grabbing;
}

.pdf-resize-handle {
  position: absolute;
  right: -8px;
  bottom: -8px;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: #e6672e;
  border: 2px solid #ffffff;
  box-shadow: 0 8px 16px rgba(24, 36, 51, 0.14);
  cursor: nwse-resize;
}

.pdf-overlay-item.redact {
  background: rgba(17, 24, 39, 0.18);
  color: #0f172a;
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.pdf-overlay-item.redact[data-style="black"] {
  background: rgba(0,0,0,0.85);
  color: #ffffff;
}

.pdf-overlay-item.redact[data-style="white"] {
  background: rgba(255,255,255,0.92);
  color: #374151;
}

.pdf-page-caption {
  margin-top: 0.55rem;
  text-align: center;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--muted);
}

.signature-pad-canvas {
  width: 100%;
  min-height: 190px;
  border-radius: 18px;
  border: 1px dashed rgba(24, 36, 51, 0.2);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.94), rgba(248,247,244,0.88)),
    repeating-linear-gradient(0deg, transparent, transparent 31px, rgba(24, 36, 51, 0.05) 31px, rgba(24, 36, 51, 0.05) 32px);
}

.compact-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.watermark-preview {
  position: relative;
  display: inline-grid;
}

.watermark-float {
  position: absolute;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.watermark-float img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.favicon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 0.85rem;
  width: 100%;
}

.favicon-card {
  border-radius: 16px;
  border: 1px solid rgba(24, 36, 51, 0.12);
  background: rgba(255,255,255,0.94);
  padding: 0.85rem;
  display: grid;
  gap: 0.65rem;
  justify-items: center;
}

.favicon-size {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--muted);
}

.smart-toolbar {
  display: grid;
  gap: 0.85rem;
  margin-bottom: 1rem;
  padding: 0.95rem;
  border-radius: 18px;
  border: 1px solid rgba(24, 36, 51, 0.1);
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(249,245,238,0.94));
}

.smart-toolbar-group {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.smart-toolbar-label {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.toolbar-btn {
  min-height: 42px;
  padding: 0.75rem 1rem;
  border-radius: 14px;
  border: 1px solid rgba(24, 36, 51, 0.12);
  background: rgba(255,255,255,0.96);
  color: var(--text);
  font: inherit;
  font-weight: 700;
}

.toolbar-btn.primary {
  background: linear-gradient(135deg, #e6672e, #ff9a52);
  color: #ffffff;
  border-color: transparent;
}

.toolbar-btn.success {
  background: linear-gradient(135deg, #117b4d, #2fb879);
  color: #ffffff;
  border-color: transparent;
}

.toolbar-input {
  min-height: 42px;
  max-width: 240px;
}

.toolbar-number {
  max-width: 90px;
}

.toolbar-color {
  max-width: 74px;
  padding: 0.3rem;
}

.chart-preview-shell {
  display: block;
  width: 100%;
  max-width: 100%;
  max-height: min(72vh, 980px);
  overflow-x: hidden;
  overflow-y: auto;
  box-sizing: border-box;
  background:
    radial-gradient(circle at top left, rgba(255, 212, 183, 0.35), transparent 28%),
    radial-gradient(circle at bottom right, rgba(144, 202, 249, 0.28), transparent 26%),
    linear-gradient(180deg, rgba(255,255,255,0.94), rgba(245,248,252,0.92));
}

.chart-preview-stack {
  display: grid;
  gap: 1rem;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.chart-preview-card {
  display: grid;
  gap: 0.75rem;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  padding: 0.95rem;
  box-sizing: border-box;
  overflow: hidden;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(24, 36, 51, 0.08);
}

.chart-preview-card.is-primary {
  border-color: rgba(230, 103, 46, 0.28);
  box-shadow: 0 16px 36px rgba(230, 103, 46, 0.08);
}

.chart-preview-card-title {
  font-weight: 700;
  color: #0f172a;
}

.chart-insight-box {
  padding: 0.75rem 0.9rem;
  border-radius: 16px;
  background: rgba(248, 250, 252, 0.95);
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.chart-insight-box strong {
  display: block;
  margin-bottom: 0.45rem;
  color: #0f172a;
}

.chart-summary-card h4 {
  margin: 0 0 0.6rem;
  color: #0f172a;
}

.chart-col-badge {
  display: inline-flex;
  margin-top: 0.35rem;
  padding: 0.18rem 0.5rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.07);
  color: #475569;
  font-size: 0.76rem;
  font-weight: 600;
  white-space: nowrap;
}

.chart-preview-shell canvas {
  display: block;
  width: 100% !important;
  height: auto;
  max-height: 360px;
  max-width: 100%;
  box-shadow: 0 18px 36px rgba(24, 36, 51, 0.12);
}

.chart-table-scroll {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
}

.chart-table {
  width: max-content;
  min-width: 100%;
  border-collapse: collapse;
}

#chart-table-card {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
}

.chart-table th,
.chart-table td,
.result-table th,
.result-table td {
  border: 1px solid rgba(24, 36, 51, 0.12);
  padding: 0.55rem 0.7rem;
  text-align: left;
}

.pdf-delete-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.pdf-delete-card {
  display: grid;
  gap: 0.75rem;
  padding: 0.9rem;
  border-radius: 18px;
  border: 1px solid rgba(24, 36, 51, 0.12);
  background: rgba(255,255,255,0.95);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.pdf-delete-card:hover {
  transform: translateY(-2px);
  border-color: rgba(230, 103, 46, 0.28);
  box-shadow: 0 14px 28px rgba(24, 36, 51, 0.08);
}

.pdf-delete-card.is-selected {
  border-color: rgba(190, 53, 33, 0.28);
  box-shadow: 0 14px 28px rgba(190, 53, 33, 0.08);
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(255,240,236,0.95));
}

.pdf-delete-check {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  color: var(--text);
}

.pdf-delete-thumb {
  min-height: 180px;
  display: grid;
  place-items: center;
  padding: 0.6rem;
  border-radius: 14px;
  background: linear-gradient(180deg, #f8fafc, #f1f5f9);
  border: 1px solid rgba(24, 36, 51, 0.08);
}

.pdf-delete-thumb canvas {
  max-width: 100%;
  max-height: 220px;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 10px 18px rgba(24, 36, 51, 0.1);
}

@media (max-width: 960px) {
  .tool-layout {
    grid-template-columns: 1fr;
  }

  .tool-panel {
    order: -1;
  }
}

@media (max-width: 720px) {
  .tool-layout {
    gap: 1rem;
    padding-bottom: 3rem;
  }

  .tool-surface,
  .tool-panel {
    border-radius: 22px;
  }

  .tool-surface {
    padding: 1rem;
  }

  .tool-panel {
    padding: 1rem;
  }

  .tool-form-grid {
    grid-template-columns: 1fr;
  }

  .tool-dropzone,
  .tool-preview,
  .result-card,
  .file-chip,
  .stat-chip,
  .palette-card {
    border-radius: 18px;
  }

  .tool-dropzone {
    padding: 1rem;
  }

  .tool-preview {
    min-height: 180px;
    padding: 0.75rem;
  }

  .tool-preview img,
  .tool-preview canvas {
    max-height: 280px;
  }

  .document-preview-sheet,
  .pdf-word-sheet {
    width: 100%;
  }

  .document-preview-sheet,
  .pdf-word-sheet {
    padding: 18px 16px;
  }

  .tool-textarea {
    min-height: 150px;
  }

  .metric-highlight {
    font-size: clamp(1.7rem, 9vw, 2.2rem);
    line-height: 1.05;
    word-break: break-word;
  }

  .file-list,
  .stats-grid,
  .palette-grid,
  .preview-columns {
    grid-template-columns: 1fr;
  }

  .action-row {
    flex-direction: column;
  }

  .action-row .button,
  .action-row .secondary-button {
    width: 100%;
  }

  .tool-toolbar {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tool-toolbar .button {
    width: 100%;
  }

  .merge-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem;
  }

  .merge-card.sortable-item {
    padding: 1.7rem 0.65rem 0.75rem;
  }

  .merge-badge {
    font-size: 0.74rem;
    padding: 0.45rem 0.65rem;
  }

  .merge-thumb {
    padding: 0.7rem;
  }

  .merge-controls {
    top: 0.45rem;
    right: 0.45rem;
  }

  .merge-icon {
    width: 30px;
    height: 30px;
    font-size: 0.92rem;
  }

  .merge-name {
    font-size: 0.8rem;
  }

  .sortable-item {
    grid-template-columns: 1fr;
    align-items: stretch;
    gap: 0.75rem;
    padding: 1rem;
  }

  .drag-handle {
    width: 100%;
    height: 40px;
    border-radius: 10px;
  }

  .sortable-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    justify-content: stretch;
  }

  .mini-action {
    text-align: center;
    width: 100%;
    min-height: 40px;
    padding: 0.55rem 0.4rem;
    font-size: 0.8rem;
  }

  .sortable-meta strong {
    font-size: 0.95rem;
  }

  .sortable-meta span {
    font-size: 0.8rem;
  }

  #merge-file-list.tool-dropzone,
  .tool-dropzone {
    padding: 1rem;
  }

  .studio-head,
  .progress-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .compact-grid {
    grid-template-columns: 1fr;
  }

  .pdf-page-paper canvas {
    max-width: 100%;
  }

  .smart-toolbar-group {
    align-items: stretch;
  }

  .toolbar-input {
    max-width: none;
    width: 100%;
  }

  .pdf-delete-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 420px) {
  .merge-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.7rem;
  }

  .merge-card.sortable-item {
    padding: 1.55rem 0.5rem 0.65rem;
  }

  .merge-thumb {
    padding: 0.55rem;
  }

  .merge-badge {
    font-size: 0.68rem;
    padding: 0.42rem 0.55rem;
  }

  .merge-name {
    font-size: 0.75rem;
  }

  .tool-surface,
  .tool-panel {
    padding: 0.9rem;
  }

  .tool-input,
  .tool-select,
  .tool-textarea {
    border-radius: 14px;
    padding: 0.85rem 0.9rem;
  }

  .tool-preview {
    min-height: 160px;
  }

  .tool-preview img,
  .tool-preview canvas {
    max-height: 220px;
  }

  .document-preview-sheet,
  .pdf-word-sheet {
    padding: 14px 12px;
    border-radius: 12px;
  }

  .tool-toolbar {
    grid-template-columns: 1fr;
  }

  .sortable-item {
    padding: 0.9rem;
  }

  .sortable-actions {
    grid-template-columns: 1fr;
  }

  .mini-action {
    min-height: 38px;
    font-size: 0.78rem;
  }
}