:root {
  color-scheme: light dark;
  --pigeon-bg: #f6f7f9;
  --pigeon-card: #ffffff;
  --pigeon-fg: #1f2329;
  --pigeon-muted: #646a73;
  --pigeon-accent: #3370ff;
  --pigeon-ok: #00b96b;
  --pigeon-warn: #ff8800;
  --pigeon-err: #d92e3a;
  --pigeon-border: #e5e6eb;
  --pigeon-radius: 12px;
  --pigeon-pad: 16px;
  --pigeon-font:
    -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --pigeon-bg: #0f1115;
    --pigeon-card: #1a1d23;
    --pigeon-fg: #e5e6eb;
    --pigeon-muted: #8f959e;
    --pigeon-border: #2a2e35;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--pigeon-bg);
  color: var(--pigeon-fg);
  font-family: var(--pigeon-font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  min-height: 100dvh;
}

.pigeon-feishu-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}

.pigeon-feishu-header {
  background: var(--pigeon-card);
  border-bottom: 1px solid var(--pigeon-border);
  padding-top: env(safe-area-inset-top, 0);
}

.pigeon-feishu-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px var(--pigeon-pad);
  font-size: 14px;
}

.pigeon-feishu-brand {
  font-weight: 600;
}

.pigeon-feishu-header-link {
  color: var(--pigeon-accent);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.pigeon-feishu-status {
  color: var(--pigeon-muted);
  font-size: 12px;
}

.pigeon-feishu-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px var(--pigeon-pad) calc(24px + env(safe-area-inset-bottom, 0));
}

.pigeon-feishu-main--stack {
  align-items: stretch;
  justify-content: flex-start;
  max-width: 920px;
  width: 100%;
  margin: 0 auto;
  gap: 14px;
}

.pigeon-feishu-card {
  background: var(--pigeon-card);
  border: 1px solid var(--pigeon-border);
  border-radius: var(--pigeon-radius);
  padding: 24px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.pigeon-feishu-card--wide {
  max-width: none;
}

.pigeon-feishu-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.pigeon-feishu-title {
  font-size: 18px;
  margin: 0 0 8px;
}

.pigeon-feishu-subtitle {
  font-size: 13px;
  color: var(--pigeon-muted);
  margin: 0 0 12px;
}

.pigeon-feishu-steps {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.pigeon-feishu-steps li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: var(--pigeon-bg);
  border-radius: 8px;
  font-size: 13px;
  border: 1px solid var(--pigeon-border);
}

.pigeon-feishu-steps li[data-state="ok"] {
  border-color: var(--pigeon-ok);
}

.pigeon-feishu-steps li[data-state="err"] {
  border-color: var(--pigeon-err);
}

.pigeon-feishu-steps li[data-state="pending"] {
  opacity: 0.7;
}

.pigeon-feishu-step-state {
  color: var(--pigeon-muted);
  font-variant-numeric: tabular-nums;
}

.pigeon-feishu-steps li[data-state="ok"] .pigeon-feishu-step-state {
  color: var(--pigeon-ok);
}

.pigeon-feishu-steps li[data-state="err"] .pigeon-feishu-step-state {
  color: var(--pigeon-err);
}

.pigeon-feishu-error {
  margin-top: 16px;
  font-size: 13px;
  color: var(--pigeon-err);
  background: rgba(217, 46, 58, 0.08);
  border-radius: 8px;
  padding: 10px 12px;
  word-break: break-word;
}

.pigeon-feishu-retry {
  margin-top: 12px;
  width: 100%;
  border: 0;
  border-radius: 8px;
  background: var(--pigeon-accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 12px;
  cursor: pointer;
}

.pigeon-feishu-retry:hover {
  opacity: 0.92;
}

.pigeon-feishu-shell--external .pigeon-feishu-card {
  max-width: 360px;
  text-align: center;
}

.pigeon-feishu-small-button {
  border: 1px solid var(--pigeon-border);
  border-radius: 8px;
  background: var(--pigeon-bg);
  color: var(--pigeon-fg);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 10px;
  white-space: nowrap;
}

.pigeon-feishu-small-button:hover {
  opacity: 0.88;
}

.pigeon-knowledge-status-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.pigeon-knowledge-stat {
  border: 1px solid var(--pigeon-border);
  border-radius: 8px;
  background: var(--pigeon-bg);
  padding: 10px 12px;
  min-width: 0;
}

.pigeon-knowledge-stat span {
  display: block;
  color: var(--pigeon-muted);
  font-size: 12px;
  margin-bottom: 6px;
}

.pigeon-knowledge-stat strong {
  display: block;
  font-size: 15px;
  overflow-wrap: anywhere;
}

.pigeon-knowledge-error {
  color: var(--pigeon-err);
  background: rgba(217, 46, 58, 0.08);
  border-radius: 8px;
  font-size: 13px;
  margin-top: 12px;
  padding: 10px 12px;
}

.pigeon-knowledge-section-title {
  font-size: 14px;
  margin: 18px 0 10px;
}

.pigeon-knowledge-section-title--first {
  margin-top: 0;
}

.pigeon-knowledge-spaces {
  display: grid;
  gap: 8px;
}

.pigeon-knowledge-space {
  border: 1px solid var(--pigeon-border);
  border-radius: 8px;
  background: var(--pigeon-bg);
  padding: 10px 12px;
}

.pigeon-knowledge-space-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.pigeon-knowledge-pill {
  border: 1px solid var(--pigeon-border);
  border-radius: 999px;
  color: var(--pigeon-muted);
  flex: 0 0 auto;
  font-size: 12px;
  padding: 3px 8px;
}

.pigeon-knowledge-pill--ok {
  border-color: rgba(0, 185, 107, 0.45);
  color: var(--pigeon-ok);
}

.pigeon-knowledge-uri {
  color: var(--pigeon-muted);
  font-size: 12px;
  margin-top: 5px;
  overflow-wrap: anywhere;
}

.pigeon-knowledge-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  margin-top: 8px;
}

.pigeon-knowledge-input {
  border: 1px solid var(--pigeon-border);
  border-radius: 8px;
  background: var(--pigeon-bg);
  color: var(--pigeon-fg);
  font: inherit;
  min-width: 0;
  padding: 9px 10px;
}

.pigeon-knowledge-results {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.pigeon-knowledge-empty {
  color: var(--pigeon-muted);
  font-size: 13px;
  margin: 0;
}

.pigeon-knowledge-result {
  border: 1px solid var(--pigeon-border);
  border-radius: 8px;
  background: var(--pigeon-bg);
  font-size: 13px;
  padding: 10px 12px;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.pigeon-knowledge-note {
  color: var(--pigeon-muted);
  font-size: 12px;
  line-height: 1.6;
  margin: 10px 0 0;
}

@media (max-width: 640px) {
  .pigeon-feishu-card {
    padding: 18px;
  }

  .pigeon-feishu-card-head {
    align-items: stretch;
    flex-direction: column;
  }

  .pigeon-knowledge-status-grid {
    grid-template-columns: 1fr;
  }

  .pigeon-knowledge-search {
    grid-template-columns: 1fr;
  }
}