:root {
  --bg: #f5f3ec;
  --ink: #1e2528;
  --muted: #667071;
  --line: #d9d4c8;
  --panel: #fffdf8;
  --accent: #0f766e;
  --accent-strong: #0b534d;
  --danger: #b42318;
  --shadow: 0 18px 45px rgba(40, 34, 23, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-serif, Georgia, "Times New Roman", serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(30, 37, 40, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 37, 40, 0.03) 1px, transparent 1px);
  background-size: 28px 28px;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 236px;
  padding: 28px 20px;
  background: #182326;
  color: #f7f1e4;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.brand {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0;
}

nav {
  display: grid;
  gap: 8px;
}

nav a {
  color: #dfe8e4;
  text-decoration: none;
  padding: 11px 12px;
  border-radius: 6px;
  font-family: ui-sans-serif, system-ui, sans-serif;
}

nav a:hover {
  background: rgba(255, 255, 255, 0.09);
}

.shell {
  position: relative;
  margin-left: 236px;
  min-height: 100vh;
  padding: 36px;
}

header {
  margin-bottom: 24px;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

h1,
h2 {
  margin: 0 0 8px;
  line-height: 1.1;
}

h1 {
  font-size: 38px;
}

h2 {
  font-size: 22px;
  margin-top: 26px;
}

p {
  color: var(--muted);
  margin: 0;
  font-family: ui-sans-serif, system-ui, sans-serif;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.metric,
.panel,
table {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.metric {
  border-radius: 8px;
  padding: 20px;
}

.metric span {
  display: block;
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 13px;
}

.metric strong {
  display: block;
  margin-top: 8px;
  font-size: 36px;
}

.panel {
  border-radius: 8px;
  padding: 22px;
  margin-bottom: 24px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font: 600 13px ui-sans-serif, system-ui, sans-serif;
  margin-bottom: 14px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 11px 12px;
  background: #fff;
  color: var(--ink);
  font: 15px ui-sans-serif, system-ui, sans-serif;
}

textarea {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

td input,
td select,
td textarea {
  min-width: 130px;
}

td textarea {
  min-width: 240px;
}

.narrow {
  max-width: 560px;
}

.field-target {
  width: fit-content;
  max-width: 100%;
}

.select-target {
  width: clamp(220px, 34vw, 360px);
}

.check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-right: 16px;
}

.check input {
  width: auto;
}

.checks {
  margin: 8px 0 12px;
}

button {
  border: 0;
  border-radius: 6px;
  padding: 11px 16px;
  background: var(--accent);
  color: white;
  font-weight: 800;
  cursor: pointer;
}

button:hover {
  background: var(--accent-strong);
}

.ghost {
  margin-top: auto;
  width: 100%;
  background: rgba(255, 255, 255, 0.1);
}

.danger {
  background: var(--danger);
}

.button-link {
  display: inline-block;
  border-radius: 6px;
  padding: 10px 14px;
  background: var(--accent);
  color: white;
  font: 800 14px ui-sans-serif, system-ui, sans-serif;
  text-decoration: none;
  margin-right: 8px;
}

.button-link.secondary {
  background: #ece7da;
  color: var(--ink);
}

.actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
}

.copy-row {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  margin-top: 12px;
  font-family: ui-sans-serif, system-ui, sans-serif;
}

.copy-row span {
  color: var(--muted);
  font-weight: 700;
}

.copy-row code {
  display: block;
  overflow-wrap: anywhere;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  background: #fff;
}

.warning {
  margin-top: 12px;
  color: var(--danger);
}

.result-panel {
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 22px;
  margin-top: 22px;
}

.result-panel.success {
  border-left: 5px solid var(--accent);
}

.result-panel.error {
  border-left: 5px solid var(--danger);
}

.feishu-preview {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  margin-top: 16px;
}

.feishu-preview-header {
  background: #1d4ed8;
  color: #fff;
  padding: 12px 14px;
  font: 800 15px ui-sans-serif, system-ui, sans-serif;
}

.feishu-preview pre {
  margin: 0;
  background: #fff;
  color: var(--ink);
  border-radius: 0;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 16px 0;
}

.result-grid div {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  background: #fff;
}

.result-grid span {
  display: block;
  color: var(--muted);
  font: 12px ui-sans-serif, system-ui, sans-serif;
}

.result-grid strong {
  display: block;
  margin-top: 5px;
  font: 700 18px ui-sans-serif, system-ui, sans-serif;
}

details {
  font-family: ui-sans-serif, system-ui, sans-serif;
}

pre {
  overflow: auto;
  border-radius: 6px;
  padding: 14px;
  background: #182326;
  color: #f7f1e4;
}

.payload-details summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 800;
}

.payload-details pre {
  width: min(620px, 70vw);
  max-height: 360px;
  margin: 10px 0 0;
}

.inline {
  display: inline;
}

table {
  width: 100%;
  border-collapse: collapse;
  border-radius: 8px;
  overflow: hidden;
  font-family: ui-sans-serif, system-ui, sans-serif;
  margin-bottom: 28px;
}

th,
td {
  text-align: left;
  padding: 12px 13px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  font-size: 14px;
}

th {
  background: #ece7da;
  color: #3b4445;
}

.url {
  max-width: 460px;
  word-break: break-all;
}

.status {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 9px;
  background: #f7f3e8;
  font-size: 12px;
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.login-card {
  width: min(420px, calc(100vw - 32px));
  padding: 30px;
  border-radius: 8px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.login-card h1 {
  margin-bottom: 6px;
}

.login-card p {
  margin-bottom: 22px;
}

@media (max-width: 920px) {
  .sidebar {
    position: static;
    width: auto;
  }

  .page-header {
    display: grid;
  }

  .shell {
    margin-left: 0;
    padding: 22px;
  }

  .metrics,
  .grid,
  .result-grid {
    grid-template-columns: 1fr;
  }

  .copy-row {
    grid-template-columns: 1fr;
  }
}