:root {
  color-scheme: light;
  --ink: #161a1d;
  --muted: #60717c;
  --paper: #fffdfa;
  --panel: #f3f0e8;
  --line: #d9d2c2;
  --blue: #174ea6;
  --green: #116b4f;
  --amber: #9a5c00;
  --red: #a7352a;
  --code: #1b2430;
  --shadow: 0 20px 70px rgb(50 45 34 / 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgb(22 26 29 / 0.06) 1px, transparent 1px),
    linear-gradient(rgb(22 26 29 / 0.06) 1px, transparent 1px),
    #e7e1d6;
  background-size: 28px 28px;
  font-family: ui-sans-serif, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

a {
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
}

.topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 32px 18px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 5vw, 68px);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 22px;
  letter-spacing: 0;
}

.runtime {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
}

.pill,
.mode {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border: 1px solid var(--line);
  padding: 4px 10px;
  background: var(--paper);
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.pill.native {
  border-color: rgb(17 107 79 / 0.35);
  background: #e8f4ee;
  color: var(--green);
}

.pill.mock {
  border-color: rgb(154 92 0 / 0.35);
  background: #fff3d8;
  color: var(--amber);
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 440px);
  gap: 22px;
  padding: 0 32px 32px;
}

.workspace,
.agent {
  display: grid;
  gap: 18px;
  align-content: start;
}

.intro,
.panel,
.agent-panel {
  border: 1px solid var(--line);
  background: rgb(255 253 250 / 0.92);
  box-shadow: var(--shadow);
}

.intro {
  padding: 18px 20px;
}

.intro p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.75;
}

.panel,
.agent-panel {
  padding: 22px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.business-form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 11px 12px;
}

textarea {
  min-height: 92px;
  resize: vertical;
}

button {
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  cursor: pointer;
  min-height: 42px;
  padding: 10px 14px;
  font-weight: 900;
}

button:hover {
  transform: translateY(-1px);
}

.primary {
  width: 100%;
  background: var(--blue);
  border-color: var(--blue);
}

.code {
  overflow: auto;
  margin: 18px 0 0;
  border: 1px solid #303a47;
  background: var(--code);
  color: #d7e2ef;
  padding: 16px;
  font-size: 13px;
  line-height: 1.55;
}

.order-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.order-grid article {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 14px;
}

.order-grid span,
.order-grid small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.order-grid strong {
  display: block;
  margin: 8px 0 6px;
  font-size: 18px;
}

.action-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.action-row button {
  min-height: 56px;
  background: #fff;
  color: var(--ink);
}

.agent {
  position: sticky;
  top: 18px;
}

.tool-list {
  display: grid;
  gap: 12px;
}

.tool-card {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 14px;
}

.tool-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.tool-card p {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.schema {
  overflow: auto;
  max-height: 150px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 10px;
  color: #384551;
  font-size: 12px;
  line-height: 1.5;
}

.steps {
  margin: 0 0 16px;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.7;
}

.log {
  display: grid;
  gap: 10px;
  max-height: 370px;
  overflow: auto;
}

.entry {
  border-left: 4px solid var(--blue);
  background: #fff;
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.5;
}

.entry strong {
  display: block;
  margin-bottom: 5px;
}

.entry pre {
  margin: 0;
  white-space: pre-wrap;
}

@media (max-width: 980px) {
  .topbar,
  .layout {
    padding-left: 18px;
    padding-right: 18px;
  }

  .topbar,
  .layout {
    display: grid;
    grid-template-columns: 1fr;
  }

  .agent {
    position: static;
  }

  .order-grid,
  .action-row {
    grid-template-columns: 1fr;
  }
}