:root {
  --bg: #0f1117;
  --bg-panel: #171a23;
  --bg-card: #1d212c;
  --bg-input: #12141c;
  --border: #2a2f3a;
  --text: #e6e9ef;
  --text-dim: #9aa3b2;
  --accent: #4f8cff;
  --accent-2: #38d9a9;
  --green: #3ecf8e;
  --red: #ff6b6b;
  --yellow: #f5c518;
  --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.6;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { display: flex; align-items: center; gap: 14px; }
.logo { font-size: 30px; }
.brand h1 { margin: 0; font-size: 20px; letter-spacing: .5px; }
.subtitle { margin: 0; color: var(--text-dim); font-size: 12.5px; }

.health {
  font-size: 13px;
  color: var(--text-dim);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 999px;
}
.health.ok { color: var(--green); border-color: rgba(62, 207, 142, .4); }

main { max-width: 980px; margin: 0 auto; padding: 26px 20px 60px; }

section { margin-bottom: 40px; }
h2 { font-size: 18px; margin: 0 0 4px; }
.hint { color: var(--text-dim); font-size: 13px; margin: 0 0 16px; }
.hint code, code { background: var(--bg-input); padding: 2px 6px; border-radius: 5px; font-family: ui-monospace, "SF Mono", Consolas, monospace; font-size: 13px; color: var(--accent-2); }

/* 统计面板 */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.stat-card .label { color: var(--text-dim); font-size: 12px; }
.stat-card .value { font-size: 24px; font-weight: 600; margin-top: 2px; font-variant-numeric: tabular-nums; }
.stat-card .value.green { color: var(--green); }
.stat-card .value.red { color: var(--red); }
.stat-card .value.accent { color: var(--accent); }
.stat-card .sub { color: var(--text-dim); font-size: 12px; margin-top: 4px; }
.loading { color: var(--text-dim); }

/* 接口文档 */
.endpoint {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 16px;
}
.ep-header { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.method {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 6px;
  letter-spacing: .5px;
}
.method-get { background: rgba(62, 207, 142, .16); color: var(--green); }
.ep-path { font-family: ui-monospace, Consolas, monospace; font-size: 15px; color: var(--accent); }
.ep-name { font-size: 16px; margin: 0; margin-left: auto; color: var(--text); }
.ep-summary { color: var(--text-dim); margin: 10px 0 12px; }
.ep-returns { color: var(--text-dim); font-size: 13px; margin: 12px 0 0; }

table.params {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-top: 4px;
}
table.params th, table.params td {
  text-align: left;
  padding: 7px 10px;
  border-bottom: 1px solid var(--border);
}
table.params th { color: var(--text-dim); font-weight: 600; font-size: 12px; }
table.params td { color: var(--text); }
table.params td code { color: var(--accent-2); background: none; padding: 0; }

.btn-try {
  margin-top: 14px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 18px;
  font-size: 14px;
  cursor: pointer;
}
.btn-try:hover { filter: brightness(1.1); }

.try-panel {
  margin-top: 14px;
  border-top: 1px dashed var(--border);
  padding-top: 14px;
}
.try-form { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; }
.try-field { display: flex; flex-direction: column; gap: 4px; }
.try-field label { font-size: 12px; color: var(--text-dim); }
.try-field input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 7px;
  padding: 7px 10px;
  font-size: 13px;
  min-width: 200px;
  font-family: ui-monospace, Consolas, monospace;
}
.try-field input:focus { outline: none; border-color: var(--accent); }
.btn-send {
  background: var(--accent-2);
  color: #06251a;
  border: none;
  border-radius: 7px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.try-result { margin-top: 12px; }
.try-result .meta { color: var(--text-dim); font-size: 12.5px; margin: 0 0 8px; }
.try-result pre {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  overflow-x: auto;
  font-size: 12.5px;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  white-space: pre-wrap;
  word-break: break-word;
}
.favicon-preview { width: 96px; height: 96px; border-radius: 12px; border: 1px solid var(--border); background: #fff; padding: 8px; object-fit: contain; }
.error { color: var(--red); }

footer {
  text-align: center;
  color: var(--text-dim);
  font-size: 12.5px;
  padding: 20px;
  border-top: 1px solid var(--border);
}

@media (max-width: 600px) {
  .ep-name { margin-left: 0; width: 100%; }
  .try-field input { min-width: 100%; }
}