.sizesnap-page {
  margin: 0;
  background: #eef2f6;
  color: #0f172a;
  font: 16px/1.55 "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.sizesnap-page * {
  box-sizing: border-box;
}

.sizesnap-header {
  border-bottom: 1px solid #dbe3ee;
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
}

.sizesnap-header-inner,
.sizesnap-main {
  max-width: 1140px;
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}

.sizesnap-header-inner {
  padding-top: 20px;
  padding-bottom: 20px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.sizesnap-header h1 {
  margin: 0;
  font-size: 30px;
}

.sizesnap-subtitle {
  margin: 10px 0 0;
  color: #64748b;
}

.sizesnap-back-link {
  color: #2563eb;
  text-decoration: none;
  font-weight: 700;
}

.sizesnap-main {
  padding-top: 20px;
  padding-bottom: 28px;
}

.sizesnap-notice {
  border: 1px solid #dbeafe;
  background: #eff6ff;
  color: #1e3a8a;
  padding: 10px 12px;
  border-radius: 10px;
  margin-bottom: 16px;
}

.sizesnap-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid #dbe3ee;
  padding-bottom: 10px;
  overflow-x: auto;
}

.sizesnap-tab {
  border: 1px solid #dbe3ee;
  background: #fff;
  color: #334155;
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.sizesnap-tab.is-active {
  background: #2563eb;
  border-color: #2563eb;
  color: #fff;
}

.sizesnap-panel {
  display: none;
  padding-top: 16px;
}

.sizesnap-panel.is-active {
  display: block;
}

.sizesnap-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 16px;
}

.sizesnap-card {
  background: #fff;
  border: 1px solid #dbe3ee;
  border-radius: 14px;
  padding: 14px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
}

.sizesnap-card h2 {
  margin: 0;
  font-size: 18px;
}

.sizesnap-upload {
  display: block;
  border: 2px dashed #bfdbfe;
  background: #f8fbff;
  border-radius: 12px;
  padding: 26px 16px;
  text-align: center;
  cursor: pointer;
}

.sizesnap-upload.dragover {
  border-color: #2563eb;
  background: #eff6ff;
}

.sizesnap-upload strong {
  display: block;
  font-size: 18px;
}

.sizesnap-upload span {
  display: block;
  margin-top: 6px;
  color: #64748b;
  font-size: 14px;
}

input[type="file"] {
  display: none;
}

.sizesnap-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 14px;
}

.sizesnap-btn {
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.sizesnap-btn:disabled {
  opacity: 0.56;
  cursor: not-allowed;
}

.sizesnap-btn-primary {
  background: #2563eb;
  color: #fff;
}

.sizesnap-btn-light {
  background: #e2e8f0;
  color: #334155;
}

.sizesnap-preview-list {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
  gap: 10px;
}

.sizesnap-preview-item,
.sizesnap-icon-preview-item {
  border: 1px solid #dbe3ee;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
}

.sizesnap-preview-item img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  display: block;
  background: #f1f5f9;
}

.sizesnap-preview-item p,
.sizesnap-icon-preview-item p {
  margin: 0;
  padding: 8px 9px;
  color: #64748b;
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sizesnap-label {
  display: block;
  margin-top: 12px;
  margin-bottom: 6px;
  color: #334155;
  font-weight: 600;
}

.sizesnap-side-card textarea {
  width: 100%;
  min-height: 210px;
  border: 1px solid #dbe3ee;
  border-radius: 10px;
  padding: 10px;
  font: 14px/1.6 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  resize: vertical;
}

.sizesnap-hidden-input {
  display: none;
}

.sizesnap-mini-title {
  margin: 8px 0 0;
  font-size: 14px;
  color: #334155;
}

.sizesnap-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  border: 1px solid #dbe3ee;
  border-radius: 10px;
  padding: 10px;
}

.sizesnap-row label {
  font-size: 14px;
  color: #475569;
}

.sizesnap-row select {
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  padding: 6px 8px;
  background: #fff;
}

.sizesnap-side-card .sizesnap-btn-primary {
  margin-top: 12px;
  width: 100%;
}

.sizesnap-progress {
  margin-top: 12px;
  height: 10px;
  border-radius: 999px;
  background: #e2e8f0;
  overflow: hidden;
}

.sizesnap-progress > div {
  width: 0%;
  height: 100%;
  background: #16a34a;
  transition: width 0.16s ease;
}

.sizesnap-status {
  margin-top: 10px;
  border-radius: 10px;
  background: #f8fafc;
  color: #475569;
  padding: 10px;
  min-height: 42px;
  font-size: 14px;
}

.sizesnap-footnote {
  margin: 8px 0 0;
  color: #64748b;
  font-size: 12px;
}

.sizesnap-icon-preview {
  margin-top: 12px;
}

.sizesnap-icon-preview-item img {
  width: 100%;
  max-width: 220px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  background: #f1f5f9;
}

.sizesnap-export-list {
  margin-top: 10px;
  display: grid;
  gap: 7px;
  max-height: 360px;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 2px;
}

.sizesnap-export-list--resize {
  margin-top: 8px;
  max-height: 220px;
}

.sizesnap-export-item {
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  padding: 0;
  font-size: 13px;
  color: #334155;
  background: #f8fafc;
}

.sizesnap-export-item-label {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 10px;
  cursor: pointer;
}

.sizesnap-export-item-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 0;
  flex-shrink: 0;
}

.sizesnap-export-item-name {
  min-width: 0;
  font-weight: 600;
  color: #334155;
  word-break: break-all;
}

.sizesnap-export-item-size {
  margin-left: auto;
  color: #64748b;
  font-size: 12px;
  white-space: nowrap;
}

.sizesnap-batch-actions {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.sizesnap-batch-actions--resize {
  margin-top: 8px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.sizesnap-batch-actions .sizesnap-btn {
  width: 100%;
  padding: 8px 10px;
  font-size: 13px;
}

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

@media (max-width: 768px) {
  .sizesnap-header h1 {
    font-size: 24px;
  }

  .sizesnap-header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .sizesnap-main {
    padding-left: 12px;
    padding-right: 12px;
  }

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

  .sizesnap-batch-actions--resize {
    grid-template-columns: 1fr;
  }
}