.document-watermark-page {
  min-height: 0;
  margin: 0;
  background: #fff8f4;
  color: #3f2d2a;
  font-family: var(--font-family, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif);
  font-size: 16px;
}

.document-watermark-topbar {
  position: sticky;
  top: 0;
  z-index: 8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 22px;
  background: rgba(255, 248, 244, 0.94);
  border-bottom: 1px solid rgba(207, 75, 69, 0.16);
  backdrop-filter: blur(12px);
}

html.is-embedded .document-watermark-topbar {
  display: none;
}

.document-watermark-back,
.document-watermark-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #cf4b45;
  font-size: 16px;
  text-decoration: none;
}

.document-watermark-note {
  color: #8b6d67;
}

.document-watermark-note span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #cf4b45;
  box-shadow: 0 0 0 5px rgba(207, 75, 69, 0.12);
}

.document-watermark-shell {
  width: min(1440px, calc(100% - 32px));
  min-height: 0;
  margin: 0 auto;
  padding: 24px 0 max(96px, env(safe-area-inset-bottom));
}

html.is-embedded .document-watermark-shell {
  padding-top: 12px;
  padding-bottom: max(120px, env(safe-area-inset-bottom));
}

.document-watermark-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.document-watermark-heading h1 {
  margin: 0;
  color: #cf4b45;
  font-size: 28px;
  font-weight: 550;
}

.document-watermark-heading p,
.document-watermark-card-title span,
.document-watermark-result-head span,
.document-watermark-drop p,
.document-watermark-log {
  color: #856b65;
  line-height: 1.65;
}

.document-watermark-heading p {
  margin: 6px 0 0;
}

.document-watermark-workspace {
  display: grid;
  grid-template-columns: minmax(310px, 390px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.document-watermark-panel {
  display: grid;
  gap: 14px;
}

.document-watermark-result-column {
  display: grid;
  min-width: 0;
  gap: 14px;
}

.document-watermark-card,
.document-watermark-result {
  background: #fff;
  border: 1px solid rgba(207, 75, 69, 0.16);
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(207, 75, 69, 0.08);
}

.document-watermark-card {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.document-watermark-card-title,
.document-watermark-result-head,
.document-watermark-progress div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.document-watermark-card h2,
.document-watermark-drop h2 {
  margin: 0;
  color: #4f3834;
  font-size: 18px;
  font-weight: 550;
}

.document-watermark-check {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 36px;
  color: #59433f;
  font-size: 16px;
}

.document-watermark-check input {
  width: 17px;
  height: 17px;
  accent-color: #cf4b45;
}

.document-watermark-file-list {
  display: grid;
  gap: 8px;
  min-height: 0;
  max-height: none;
  overflow: auto;
}

.document-watermark-file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  background: #fffaf2;
  border: 1px solid rgba(207, 75, 69, 0.12);
  border-radius: 8px;
}

.document-watermark-file-item strong {
  min-width: 0;
  overflow: hidden;
  color: #4f3834;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.document-watermark-file-item span {
  flex: 0 0 auto;
  color: #8b6d67;
}

.document-watermark-intro {
  min-height: 96px;
}

.document-watermark-upload {
  display: grid;
  gap: 5px;
  padding: 12px;
  color: #59433f;
  background: #fffaf2;
  border: 1px dashed rgba(207, 75, 69, 0.28);
  border-radius: 8px;
}

.document-watermark-upload img {
  width: 118px;
  height: 118px;
  object-fit: cover;
  border: 1px solid rgba(207, 75, 69, 0.18);
  border-radius: 8px;
}

.document-watermark-upload input {
  font-size: 16px;
}

.document-watermark-upload strong {
  color: #856b65;
  font-weight: 400;
}

.document-watermark-submit {
  width: 100%;
}

.document-watermark-action-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.document-watermark-right-cards {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(260px, 0.9fr);
  grid-template-rows: auto auto;
  gap: 14px;
  align-items: stretch;
}

.document-watermark-right-cards .document-watermark-file-card {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  grid-row: span 2;
  min-height: 0;
}

.document-watermark-result {
  min-width: 0;
  overflow: hidden;
}

.document-watermark-result-head {
  padding: 16px 18px;
  border-bottom: 1px solid rgba(207, 75, 69, 0.14);
}

.document-watermark-result-head strong {
  display: block;
  color: #4f3834;
  font-weight: 550;
}

.document-watermark-drop {
  display: grid;
  place-items: center;
  gap: 10px;
  min-height: 230px;
  padding: 28px;
  text-align: center;
  background: linear-gradient(180deg, #fffefa, #fff8f4);
  border-bottom: 1px solid rgba(207, 75, 69, 0.12);
}

.document-watermark-drop.dragging {
  outline: 2px solid rgba(207, 75, 69, 0.34);
  outline-offset: -8px;
}

.document-watermark-drop svg {
  color: #cf4b45;
}

.document-watermark-drop p {
  max-width: 620px;
  margin: 0;
}

.document-watermark-preview {
  display: grid;
  grid-template-columns: minmax(230px, 310px) minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  padding: 18px;
  background: #fffdf9;
  border-bottom: 1px solid rgba(207, 75, 69, 0.12);
}

.document-watermark-page-preview {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 360px;
  overflow: hidden;
  color: #4f3834;
  background: #fff;
  border: 1px solid rgba(207, 75, 69, 0.2);
  border-radius: 8px;
  box-shadow: 0 12px 26px rgba(207, 75, 69, 0.08);
}

.document-watermark-preview-header,
.document-watermark-preview-footer {
  padding: 10px 14px;
  color: #cf4b45;
  font-size: 16px;
  text-align: center;
  background: #fff8f4;
}

.document-watermark-preview-header {
  border-bottom: 1px solid rgba(207, 75, 69, 0.12);
}

.document-watermark-preview-footer {
  border-top: 1px solid rgba(207, 75, 69, 0.12);
}

.document-watermark-preview-body {
  position: relative;
  min-height: 260px;
  padding: 22px;
}

.document-watermark-preview-lines {
  display: grid;
  gap: 12px;
  opacity: 0.52;
}

.document-watermark-preview-lines span {
  display: block;
  height: 10px;
  background: #eaded9;
  border-radius: 999px;
}

.document-watermark-preview-lines span:nth-child(2) {
  width: 78%;
}

.document-watermark-preview-lines span:nth-child(3) {
  width: 88%;
}

.document-watermark-preview-lines span:nth-child(4) {
  width: 62%;
}

.document-watermark-preview-watermark {
  position: absolute;
  top: 48%;
  left: 50%;
  z-index: 1;
  color: rgba(207, 75, 69, 0.26);
  font-size: 34px;
  font-weight: 550;
  pointer-events: none;
  transform: translate(-50%, -50%) rotate(-28deg);
  white-space: nowrap;
}

.document-watermark-preview-promo {
  position: absolute;
  right: 18px;
  bottom: 18px;
  z-index: 2;
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  width: min(330px, calc(100% - 36px));
  padding: 12px;
  background: rgba(255, 250, 242, 0.96);
  border: 1px solid rgba(207, 75, 69, 0.18);
  border-radius: 8px;
}

.document-watermark-preview-promo[hidden] {
  display: none;
}

.document-watermark-preview-promo img {
  width: 92px;
  height: 92px;
  object-fit: cover;
  border: 1px solid rgba(207, 75, 69, 0.18);
  border-radius: 8px;
}

.document-watermark-preview-promo p {
  margin: 0;
  color: #59433f;
  font-size: 16px;
  line-height: 1.55;
}

.document-watermark-preview-meta {
  display: grid;
  gap: 8px;
  color: #856b65;
  line-height: 1.6;
}

.document-watermark-preview-meta strong {
  color: #4f3834;
  font-size: 18px;
  font-weight: 550;
}

.document-watermark-progress {
  padding: 16px 18px;
  border-bottom: 1px solid rgba(207, 75, 69, 0.12);
}

.document-watermark-progress progress {
  width: 100%;
  height: 14px;
  margin-top: 10px;
  accent-color: #cf4b45;
}

.document-watermark-log {
  min-height: 140px;
  padding: 14px 18px;
  white-space: pre-wrap;
}

.document-watermark-toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 20;
  max-width: min(420px, calc(100vw - 44px));
  padding: 13px 16px;
  color: #fff;
  background: #cf4b45;
  border-radius: 8px;
  box-shadow: 0 16px 36px rgba(207, 75, 69, 0.26);
}

.document-watermark-toast[hidden] {
  display: none;
}

@media (max-width: 980px) {
  .document-watermark-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .document-watermark-workspace {
    grid-template-columns: 1fr;
  }

  .document-watermark-right-cards {
    grid-template-columns: 1fr;
  }

  .document-watermark-right-cards .document-watermark-file-card {
    grid-row: auto;
  }

  .document-watermark-preview {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .document-watermark-shell {
    width: min(100% - 20px, 1440px);
    padding-top: 14px;
    padding-bottom: max(120px, env(safe-area-inset-bottom));
  }

  .document-watermark-topbar {
    padding: 12px 14px;
  }

  .document-watermark-note {
    display: none;
  }

  .document-watermark-preview {
    padding: 14px;
  }

  .document-watermark-page-preview {
    min-height: 330px;
  }

  .document-watermark-preview-watermark {
    font-size: 28px;
  }

  .document-watermark-preview-promo {
    grid-template-columns: 76px minmax(0, 1fr);
  }

  .document-watermark-preview-promo img {
    width: 76px;
    height: 76px;
  }

  .document-watermark-action-grid {
    grid-template-columns: 1fr;
  }
}