body[data-tool="pdf-sign"] {
  --ps-ink: #16121c;
  --ps-muted: #6f687c;
  --ps-line: rgba(40, 24, 70, 0.1);
  --ps-soft: rgba(79, 70, 229, 0.09);
  --ps-ok: #0f7a4d;
  --ps-accent: #4f46e5;
  --ps-paper: #fbf7ef;
}

body[data-tool="pdf-sign"] [hidden] {
  display: none !important;
}

body[data-tool="pdf-sign"] .tool-workspace {
  padding: 0 0 1.15rem !important;
  background: #f6f5f8 !important;
}

body[data-tool="pdf-sign"] .ps-page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

body[data-tool="pdf-sign"] .ps-intro {
  text-align: center;
  margin: 0 auto 1.15rem;
  max-width: 34rem;
}

body[data-tool="pdf-sign"] .ps-intro h1 {
  margin: 0;
  font-size: clamp(1.5rem, 2.6vw, 1.9rem);
  font-weight: 760;
  letter-spacing: -0.04em;
  color: var(--ps-ink);
}

body[data-tool="pdf-sign"] .ps-intro p {
  margin: 0.4rem 0 0;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--ps-muted);
}

body[data-tool="pdf-sign"] .ps-shell {
  border-radius: 18px;
  border: 1px solid var(--ps-line);
  background: #fff;
  box-shadow: 0 16px 40px rgba(50, 30, 90, 0.05);
  overflow: hidden;
  min-height: min(620px, calc(100vh - 10rem));
  display: flex;
  flex-direction: column;
}

body[data-tool="pdf-sign"] .ps-drop {
  flex: 1;
  display: grid;
  place-items: center;
  min-height: 340px;
  padding: 2rem;
}

body[data-tool="pdf-sign"] .ps-shell.has-file .ps-drop {
  display: none;
}

body[data-tool="pdf-sign"] .ps-drop .upload-zone {
  width: 100%;
  max-width: 440px;
  min-height: 200px;
  margin: 0;
  border-radius: 16px;
  border-style: dashed;
  background: rgba(79, 70, 229, 0.04);
}

body[data-tool="pdf-sign"] .ps-drop .upload-zone::before {
  display: none;
}

body[data-tool="pdf-sign"] .ps-drop-kicker {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ps-ink);
}

body[data-tool="pdf-sign"] .ps-drop-sub {
  margin: 0.4rem 0 0;
  color: var(--ps-muted);
}

body[data-tool="pdf-sign"] .ps-work {
  display: none;
  flex: 1;
  min-height: 0;
  grid-template-columns: 300px 1fr;
}

body[data-tool="pdf-sign"] .ps-shell.has-file .ps-work {
  display: grid;
}

body[data-tool="pdf-sign"] .ps-side {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem 1rem 1.1rem;
  border-right: 1px solid var(--ps-line);
  overflow-y: auto;
  max-height: min(80vh, 860px);
}

body[data-tool="pdf-sign"] .ps-file-bar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.6rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--ps-line);
}

body[data-tool="pdf-sign"] .ps-file-bar strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 650;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 190px;
  color: var(--ps-ink);
}

body[data-tool="pdf-sign"] .ps-file-bar span {
  display: block;
  margin-top: 0.1rem;
  font-size: 0.78rem;
  color: var(--ps-muted);
}

body[data-tool="pdf-sign"] .ps-text-btn {
  border: 0;
  background: none;
  padding: 0;
  font: inherit;
  font-size: 0.84rem;
  font-weight: 650;
  color: var(--ps-accent);
  cursor: pointer;
}

body[data-tool="pdf-sign"] .ps-step {
  margin: 0.15rem 0 0;
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ps-muted);
}

body[data-tool="pdf-sign"] .ps-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.28rem;
  padding: 0.22rem;
  border-radius: 12px;
  background: #f3f1f6;
}

body[data-tool="pdf-sign"] .ps-tab {
  border: 0;
  border-radius: 9px;
  background: transparent;
  padding: 0.48rem 0.2rem;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 650;
  color: var(--ps-muted);
  cursor: pointer;
}

body[data-tool="pdf-sign"] .ps-tab.is-on {
  background: #fff;
  color: var(--ps-accent);
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.08);
}

body[data-tool="pdf-sign"] .ps-pad-wrap {
  position: relative;
  border-radius: 12px;
  border: 1px dashed rgba(79, 70, 229, 0.28);
  background: var(--ps-paper);
  overflow: hidden;
}

body[data-tool="pdf-sign"] #padCanvas {
  display: block;
  width: 100%;
  height: 128px;
  touch-action: none;
  cursor: crosshair;
}

body[data-tool="pdf-sign"] .ps-pad-hint {
  position: absolute;
  inset: auto 0 0.4rem;
  margin: 0;
  text-align: center;
  font-size: 0.75rem;
  color: #9a8f7a;
  pointer-events: none;
}

body[data-tool="pdf-sign"] .ps-pad-wrap.is-inked .ps-pad-hint {
  display: none;
}

body[data-tool="pdf-sign"] .ps-pad-tools {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.45rem;
}

body[data-tool="pdf-sign"] .ps-swatches {
  display: flex;
  gap: 0.32rem;
  margin-right: auto;
}

body[data-tool="pdf-sign"] .ps-swatch {
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 999px;
  border: 2px solid #fff;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.16);
  cursor: pointer;
  padding: 0;
}

body[data-tool="pdf-sign"] .ps-swatch.is-on {
  box-shadow: 0 0 0 2px var(--ps-accent);
}

body[data-tool="pdf-sign"] .ps-mini {
  border: 1px solid var(--ps-line);
  background: #fff;
  border-radius: 8px;
  padding: 0.28rem 0.55rem;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 650;
  color: var(--ps-ink);
  cursor: pointer;
}

body[data-tool="pdf-sign"] .ps-mini.ps-danger {
  color: #b91c1c;
}

body[data-tool="pdf-sign"] .form-control {
  border-radius: 10px;
  font-size: 0.9rem;
  padding: 0.5rem 0.65rem;
}

body[data-tool="pdf-sign"] #typeOpts,
body[data-tool="pdf-sign"] #imageOpts,
body[data-tool="pdf-sign"] #dateOpts,
body[data-tool="pdf-sign"] #drawOpts {
  display: grid;
  gap: 0.5rem;
}

body[data-tool="pdf-sign"] .ps-row2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
}

body[data-tool="pdf-sign"] .ps-type-preview,
body[data-tool="pdf-sign"] .ps-date-preview {
  margin: 0;
  padding: 0.7rem 0.85rem;
  border-radius: 10px;
  background: var(--ps-paper);
  color: #1e3a8a;
  font-size: 1.45rem;
  line-height: 1.2;
  min-height: 2.8rem;
  display: flex;
  align-items: center;
  word-break: break-word;
}

body[data-tool="pdf-sign"] .ps-date-preview {
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 0.95rem;
  font-weight: 650;
  color: var(--ps-ink);
}

body[data-tool="pdf-sign"] .ps-color {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  color: var(--ps-muted);
}

body[data-tool="pdf-sign"] .ps-color input[type="color"] {
  width: 1.8rem;
  height: 1.8rem;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}

body[data-tool="pdf-sign"] .ps-img-preview {
  padding: 0.4rem;
  border-radius: 10px;
  background: repeating-conic-gradient(#eee 0 25%, #fff 0 50%) 0 0 / 12px 12px;
}

body[data-tool="pdf-sign"] .ps-img-preview img {
  display: block;
  max-width: 100%;
  max-height: 72px;
  margin: 0 auto;
}

body[data-tool="pdf-sign"] .ps-hint {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--ps-muted);
}

body[data-tool="pdf-sign"] .ps-side .btn-block {
  border-radius: 11px;
  font-weight: 700;
  padding: 0.7rem 1rem;
}

body[data-tool="pdf-sign"] .ps-sel {
  padding: 0.7rem;
  border-radius: 12px;
  background: var(--ps-soft);
  display: grid;
  gap: 0.5rem;
}

body[data-tool="pdf-sign"] .ps-sel-title {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ps-ink);
}

body[data-tool="pdf-sign"] .ps-sel-actions {
  display: flex;
  gap: 0.4rem;
}

body[data-tool="pdf-sign"] .ps-lib {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.35rem;
}

body[data-tool="pdf-sign"] .ps-lib-item {
  position: relative;
  aspect-ratio: 1.35;
  border: 1px solid var(--ps-line);
  border-radius: 8px;
  background: #faf9fc;
  cursor: pointer;
  overflow: hidden;
  padding: 0;
}

body[data-tool="pdf-sign"] .ps-lib-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

body[data-tool="pdf-sign"] .ps-lib-x {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 1.1rem;
  height: 1.1rem;
  border: 0;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.7);
  color: #fff;
  font-size: 0.7rem;
  line-height: 1;
  cursor: pointer;
}

body[data-tool="pdf-sign"] .ps-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: #eceaf1;
}

body[data-tool="pdf-sign"] .ps-main-bar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.75rem 1rem;
  padding: 0.7rem 0.95rem;
  border-bottom: 1px solid var(--ps-line);
  background: #fff;
}

body[data-tool="pdf-sign"] .ps-pager {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 650;
  color: var(--ps-ink);
  white-space: nowrap;
}

body[data-tool="pdf-sign"] .ps-icon-btn {
  width: 2rem;
  height: 2rem;
  border-radius: 8px;
  border: 1px solid var(--ps-line);
  background: #fff;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  color: var(--ps-ink);
}

body[data-tool="pdf-sign"] .ps-icon-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

body[data-tool="pdf-sign"] #status {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.35;
  color: var(--ps-muted);
  min-width: 0;
}

body[data-tool="pdf-sign"] #status.is-ok { color: var(--ps-ok); }
body[data-tool="pdf-sign"] #status.is-err { color: #b91c1c; }

body[data-tool="pdf-sign"] .ps-main-bar .btn-primary {
  border-radius: 10px;
  font-weight: 700;
  padding: 0.55rem 1rem;
  white-space: nowrap;
  box-shadow: 0 8px 20px rgba(79, 70, 229, 0.22);
}

body[data-tool="pdf-sign"] .ps-main-bar .btn-primary:disabled {
  opacity: 0.45;
  box-shadow: none;
  cursor: not-allowed;
}

body[data-tool="pdf-sign"] .ps-stage-wrap {
  flex: 1;
  min-height: 340px;
  overflow: auto;
  padding: 1rem;
  display: grid;
  place-items: start center;
}

body[data-tool="pdf-sign"] .ps-stage {
  position: relative;
  display: inline-block;
  box-shadow: 0 12px 36px rgba(15, 23, 42, 0.14);
  background: #fff;
  line-height: 0;
}

body[data-tool="pdf-sign"] #pageCanvas {
  display: block;
}

body[data-tool="pdf-sign"] .ps-overlays {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

body[data-tool="pdf-sign"] .ps-stamp {
  position: absolute;
  pointer-events: auto;
  cursor: grab;
  user-select: none;
  touch-action: none;
  transform-origin: center center;
}

body[data-tool="pdf-sign"] .ps-stamp.is-dragging {
  cursor: grabbing;
  z-index: 4;
}

body[data-tool="pdf-sign"] .ps-stamp img {
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

body[data-tool="pdf-sign"] .ps-stamp.is-on {
  outline: 2px solid var(--ps-accent);
  outline-offset: 1px;
  z-index: 3;
}

body[data-tool="pdf-sign"] .ps-handle {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: #fff;
  border: 2px solid var(--ps-accent);
  z-index: 2;
}

body[data-tool="pdf-sign"] .ps-handle-se { right: -5px; bottom: -5px; cursor: nwse-resize; }
body[data-tool="pdf-sign"] .ps-handle-ne { right: -5px; top: -5px; cursor: nesw-resize; }
body[data-tool="pdf-sign"] .ps-handle-sw { left: -5px; bottom: -5px; cursor: nesw-resize; }
body[data-tool="pdf-sign"] .ps-handle-nw { left: -5px; top: -5px; cursor: nwse-resize; }

body[data-tool="pdf-sign"] .ps-stage-hint {
  position: absolute;
  left: 50%;
  bottom: 1.1rem;
  transform: translateX(-50%);
  margin: 0;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.72);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  pointer-events: none;
  white-space: normal;
  text-align: center;
  max-width: calc(100% - 1.5rem);
  box-sizing: border-box;
}

body[data-tool="pdf-sign"] .ps-stage.has-stamps .ps-stage-hint {
  display: none;
}

body[data-tool="pdf-sign"] .ps-thumbs {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  padding: 0.55rem 0.9rem 0.75rem;
  border-top: 1px solid var(--ps-line);
  background: #fff;
}

body[data-tool="pdf-sign"] .ps-thumb {
  flex: 0 0 auto;
  width: 48px;
  height: 64px;
  border-radius: 6px;
  border: 2px solid transparent;
  overflow: hidden;
  padding: 0;
  background: #f3f1f6;
  cursor: pointer;
}

body[data-tool="pdf-sign"] .ps-thumb.is-on {
  border-color: var(--ps-accent);
}

body[data-tool="pdf-sign"] .ps-thumb canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 900px) {
  body[data-tool="pdf-sign"] .ps-work {
    grid-template-columns: 1fr;
  }
  body[data-tool="pdf-sign"] .ps-side {
    border-right: 0;
    border-bottom: 1px solid var(--ps-line);
    max-height: none;
  }
  body[data-tool="pdf-sign"] .ps-main-bar {
    grid-template-columns: 1fr auto;
  }
  body[data-tool="pdf-sign"] #status {
    grid-column: 1 / -1;
    order: 3;
  }
  body[data-tool="pdf-sign"] .ps-stage-hint {
    white-space: normal;
    text-align: center;
    max-width: 90%;
  }
}

html[data-theme="dark"] body[data-tool="pdf-sign"] {
  --ps-ink: #f1edf8;
  --ps-muted: #94a3b8;
  --ps-line: rgba(255, 255, 255, 0.08);
  --ps-soft: rgba(129, 140, 248, 0.16);
  --ps-paper: #231f18;
}

html[data-theme="dark"] body[data-tool="pdf-sign"] .tool-workspace {
  background: var(--bg, #141119) !important;
}

html[data-theme="dark"] body[data-tool="pdf-sign"] .ps-shell,
html[data-theme="dark"] body[data-tool="pdf-sign"] .ps-main-bar,
html[data-theme="dark"] body[data-tool="pdf-sign"] .ps-tab.is-on,
html[data-theme="dark"] body[data-tool="pdf-sign"] .ps-icon-btn,
html[data-theme="dark"] body[data-tool="pdf-sign"] .ps-mini,
html[data-theme="dark"] body[data-tool="pdf-sign"] .ps-thumbs {
  background: var(--surface, #1c1824);
  border-color: var(--border, rgba(255, 255, 255, 0.08));
  color: var(--text, #f1edf8);
}

html[data-theme="dark"] body[data-tool="pdf-sign"] .ps-tabs {
  background: #121018;
}

html[data-theme="dark"] body[data-tool="pdf-sign"] .ps-main {
  background: #121018;
}

html[data-theme="dark"] body[data-tool="pdf-sign"] .ps-type-preview,
html[data-theme="dark"] body[data-tool="pdf-sign"] .ps-date-preview {
  background: #1a1814;
  color: #c7d2fe;
}

/* Phần mô tả / SEO — cùng cột với tool, card gọn, không lệch trái */
body[data-tool="pdf-sign"] .tool-seo {
  padding: 0.35rem 0 3rem;
  background: #f6f5f8;
  border-top: 0;
  overflow-x: hidden;
}

body[data-tool="pdf-sign"] .tool-seo:empty {
  display: none;
  min-height: 0;
}

body[data-tool="pdf-sign"] .tool-seo-wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: grid;
  gap: 0.85rem;
}

body[data-tool="pdf-sign"] .tool-seo-block {
  max-width: none !important;
  margin: 0 !important;
  padding: 1.15rem 1.25rem 1.2rem;
  border-radius: 16px;
  box-sizing: border-box;
}

body[data-tool="pdf-sign"] .tool-seo-block h2 {
  margin: 0 0 0.55rem;
  font-size: 1.05rem !important;
}

body[data-tool="pdf-sign"] .tool-seo-howto {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

body[data-tool="pdf-sign"] .tool-seo-howto li {
  position: relative;
  padding: 0.45rem 0.7rem 0.45rem 2.35rem;
  border-radius: 10px;
  background: #f6f5f8;
  font-size: 0.9rem !important;
  line-height: 1.5 !important;
}

body[data-tool="pdf-sign"] .tool-seo-howto li::before {
  position: absolute;
  left: 0.65rem;
  top: 0.42rem;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 999px;
  background: var(--ps-soft);
  color: var(--ps-accent);
  font-size: 0.72rem;
  font-weight: 750;
  display: grid;
  place-items: center;
}

body[data-tool="pdf-sign"] .tool-seo-howto li:nth-child(1)::before { content: "1"; }
body[data-tool="pdf-sign"] .tool-seo-howto li:nth-child(2)::before { content: "2"; }
body[data-tool="pdf-sign"] .tool-seo-howto li:nth-child(3)::before { content: "3"; }
body[data-tool="pdf-sign"] .tool-seo-howto li:nth-child(4)::before { content: "4"; }

body[data-tool="pdf-sign"] .tool-seo-block ul:not(.tool-seo-more) {
  margin: 0.35rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.35rem;
}

body[data-tool="pdf-sign"] .tool-seo-block ul:not(.tool-seo-more) li {
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--ps-line);
}

body[data-tool="pdf-sign"] .tool-seo-block ul:not(.tool-seo-more) li:last-child {
  border-bottom: 0;
}

body[data-tool="pdf-sign"] .tool-seo-faq {
  gap: 0.55rem;
}

body[data-tool="pdf-sign"] .tool-seo-faq-item {
  padding: 0.7rem 0.85rem;
  border-radius: 10px;
  background: #f6f5f8;
  border: 0;
}

body[data-tool="pdf-sign"] .tool-seo-more {
  margin: 0.35rem 0 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

html[data-theme="dark"] body[data-tool="pdf-sign"] .tool-seo {
  background: var(--bg, #141119);
}

html[data-theme="dark"] body[data-tool="pdf-sign"] .tool-seo-block {
  background: var(--surface, #1c1824);
  border-color: var(--border, rgba(255, 255, 255, 0.08));
}

html[data-theme="dark"] body[data-tool="pdf-sign"] .tool-seo-howto li,
html[data-theme="dark"] body[data-tool="pdf-sign"] .tool-seo-faq-item {
  background: #121018;
}

@media (max-width: 900px) {
  body[data-tool="pdf-sign"] .tool-seo-more {
    grid-template-columns: 1fr;
  }
}