:root {
  --tool-bg: #f7f8fa;
  --tool-surface: #ffffff;
  --tool-text: #18181b;
  --tool-muted: #667085;
  --tool-line: #dfe3e8;
  --tool-line-strong: #aeb7c2;
  --tool-accent: #2563eb;
  --tool-accent-hover: #1d4ed8;
  --tool-danger: #b42318;
  --tool-success: #0f766e;
}

.tool-page {
  --bg: var(--tool-bg);
  --panel: var(--tool-surface);
  --surface: var(--tool-surface);
  --text: var(--tool-text);
  --muted: var(--tool-muted);
  --line: var(--tool-line);
  --accent: var(--tool-accent);
  --accent-dark: var(--tool-accent-hover);
  --danger: var(--tool-danger);
  min-width: 320px;
  background: var(--tool-bg) !important;
  color: var(--tool-text) !important;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif !important;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

.tool-header {
  height: 56px;
  border-bottom: 1px solid var(--tool-line);
  background: var(--tool-surface);
}

.tool-header__inner {
  display: grid;
  width: min(1120px, calc(100% - 32px));
  height: 100%;
  margin: 0 auto;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 16px;
}

.tool-brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  justify-self: start;
  gap: 9px;
  color: var(--tool-text);
  font-size: 13px;
  font-weight: 680;
  text-decoration: none;
}

.tool-brand__mark {
  display: grid;
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  padding: 2px;
  border: 1px solid var(--tool-text);
}

.tool-brand__mark span { background: var(--tool-text); }
.tool-brand__mark span:nth-child(2) { background: var(--tool-accent); }
.tool-header__title { font-size: 14px; font-weight: 700; white-space: nowrap; }
.tool-header__status { min-width: 0; justify-self: end; color: var(--tool-muted); font-size: 12px; }
.tool-header__status:empty { min-width: 1px; }
.tool-header__status > * { margin: 0 !important; }

.tool-page main {
  width: min(var(--tool-content-width, 1120px), calc(100% - 32px)) !important;
  margin-right: auto !important;
  margin-left: auto !important;
}

.tool-page button,
.tool-page .button,
.tool-page .btn,
.tool-page .action,
.tool-page select,
.tool-page input,
.tool-page textarea {
  border-radius: 6px !important;
  font: inherit;
}

.tool-page button,
.tool-page .button,
.tool-page .btn,
.tool-page .action {
  min-height: 40px;
}

.tool-page .action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.tool-page button.primary,
.tool-page .button.primary,
.tool-page .btn.primary,
.tool-page .generate-button {
  border-color: var(--tool-accent) !important;
  background: var(--tool-accent) !important;
  color: #fff !important;
}

.tool-page button.primary:hover:not(:disabled),
.tool-page .button.primary:hover:not(:disabled),
.tool-page .btn.primary:hover:not(:disabled),
.tool-page .generate-button:hover:not(:disabled) {
  border-color: var(--tool-accent-hover) !important;
  background: var(--tool-accent-hover) !important;
}

.tool-page button:focus-visible,
.tool-page a:focus-visible,
.tool-page input:focus-visible,
.tool-page textarea:focus-visible,
.tool-page select:focus-visible,
.tool-page [tabindex]:focus-visible {
  outline: 2px solid var(--tool-accent) !important;
  outline-offset: 2px !important;
}

.tool-page .workspace,
.tool-page .controls,
.tool-page .panel,
.tool-page .card,
.tool-page .search {
  border-color: var(--tool-line) !important;
  border-radius: 8px !important;
  box-shadow: none !important;
}

.tool-page .toolbar { border-color: var(--tool-line) !important; box-shadow: none !important; }
.tool-mode {
  display: inline-flex;
  min-height: 40px;
  overflow: hidden;
  border: 1px solid var(--tool-line);
  border-radius: 6px;
  background: var(--tool-surface);
}
.tool-mode label { position: relative; display: grid; min-height: 38px; place-items: center; padding: 0 13px; color: var(--tool-muted); cursor: pointer; font-weight: 650; }
.tool-mode label + label { border-left: 1px solid var(--tool-line); }
.tool-mode input { position: absolute; opacity: 0; pointer-events: none; }
.tool-mode label:has(input:checked) { background: #eef4ff; color: var(--tool-accent); }
.tool-mode label:has(input:focus-visible) { outline: 2px solid var(--tool-accent); outline-offset: -3px; }
.prompt-examples { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 7px; }
.prompt-examples button { min-height: 30px; padding: 0 9px; border: 1px solid var(--tool-line); background: var(--tool-surface); color: var(--tool-muted); font-size: 12px; }
.prompt-examples button:hover { border-color: var(--tool-line-strong); color: var(--tool-text); }
.tool-page .notice.error,
.tool-page .feedback.error,
.tool-page .state.error { color: var(--tool-danger) !important; }
.tool-page .notice.ok,
.tool-page .state.ok { color: var(--tool-success) !important; }

@media (max-width: 640px) {
  .tool-header__inner { width: min(100% - 24px, 1120px); grid-template-columns: minmax(0, 1fr) auto; }
  .tool-header__title { justify-self: end; }
  .tool-header__status { display: none; }
  .tool-page main { width: min(var(--tool-content-width, 1120px), calc(100% - 24px)) !important; }
  .tool-mode { width: 100%; }
  .tool-mode label { min-width: 0; flex: 1; padding: 0 8px; white-space: nowrap; }
  .tool-page[data-tool-title="人脸识别"] .field:has(.tool-mode) { min-width: 100%; flex-basis: 100%; }
  .tool-page[data-tool-title="人脸识别"] #run { width: 100%; }
}