:root {
  color-scheme: light dark;
  --bg: #f4f6f8;
  --surface: #ffffff;
  --fg: #1b2126;
  --muted: #69747e;
  --border: #e0e5e9;
  --border-strong: #c9d1d8;
  --accent: #0f6b5c;
  --accent-soft: #e6f2ef;
  --danger: #a3321f;
  --danger-soft: #fbece8;
  --null: #9a5b13;
  --shadow: 0 1px 2px rgba(16, 24, 32, 0.05);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11161a;
    --surface: #181f24;
    --fg: #e6ebee;
    --muted: #93a0aa;
    --border: #2a343b;
    --border-strong: #3b4850;
    --accent: #63c9b4;
    --accent-soft: #1b322e;
    --danger: #f19a86;
    --danger-soft: #3a211c;
    --null: #d9a55a;
    --shadow: none;
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC",
    "PingFang SC", "Microsoft YaHei", sans-serif;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 24px;
  height: 56px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand {
  color: var(--fg);
  font-weight: 650;
  letter-spacing: 0.01em;
}

.brand:hover {
  text-decoration: none;
}

.brand span {
  color: var(--muted);
  font-weight: 500;
  margin-left: 6px;
}

.account {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  font-size: 14px;
}

.account form {
  margin: 0;
}

.link-button {
  border: 0;
  padding: 0;
  background: none;
  color: var(--accent);
  font: inherit;
  cursor: pointer;
}

.link-button:hover {
  text-decoration: underline;
}

.page {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 48px;
  flex: 1;
}

.footer {
  padding: 18px 24px 28px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
}

h1 {
  margin: 0 0 6px;
  font-size: 24px;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h2 {
  margin: 0 0 16px;
  font-size: 15px;
  letter-spacing: 0.01em;
}

p {
  margin: 0 0 12px;
}

.muted {
  color: var(--muted);
}

.mono {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
  font-size: 13px;
}

.strong {
  font-weight: 600;
}

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.page-head .muted {
  margin: 0;
  font-size: 13px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px 20px;
  margin-bottom: 22px;
  box-shadow: var(--shadow);
}

.panel.flush {
  padding: 0;
  overflow: hidden;
}

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

.panel-head h2 {
  margin: 0;
}

.pager {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}

.button {
  display: inline-block;
  padding: 5px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 7px;
  background: var(--surface);
  color: var(--fg);
  font-size: 13px;
  line-height: 1.5;
}

.button:hover {
  border-color: var(--accent);
  text-decoration: none;
}

.button.disabled {
  color: var(--muted);
  opacity: 0.55;
}

.scroll {
  overflow-x: auto;
}

.scroll.data {
  max-height: 65vh;
  overflow: auto;
}

.scroll.data table {
  width: max-content;
  min-width: 100%;
}

.scroll.data td {
  max-width: 420px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.grid {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
}

.grid th,
.grid td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
  white-space: nowrap;
}

.grid thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.grid tbody tr:last-child td {
  border-bottom: 0;
}

.grid tbody tr:hover td {
  background: var(--accent-soft);
}

.grid.compact th,
.grid.compact td {
  padding: 8px 12px;
}

.grid .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.grid .chev {
  width: 36px;
  text-align: right;
  color: var(--muted);
}

.table-link {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
  font-size: 13.5px;
  font-weight: 550;
}

.crumbs {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 13px;
}

.badge {
  display: inline-block;
  padding: 0 7px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 19px;
}

.null {
  color: var(--null);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
  font-size: 12px;
  font-style: italic;
}

.empty {
  padding: 20px 4px;
  color: var(--muted);
  text-align: center;
}

.login-card,
.error-card {
  max-width: 380px;
  margin: 12vh auto 0;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.login-card h1,
.error-card h1 {
  font-size: 21px;
}

.login-card .muted {
  font-size: 13px;
  margin-bottom: 20px;
}

.stack {
  display: grid;
  gap: 14px;
}

.stack label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

input {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border-strong);
  border-radius: 7px;
  background: var(--surface);
  color: var(--fg);
  font: inherit;
}

input:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
  border-color: var(--accent);
}

.login-card button[type="submit"] {
  width: 100%;
  padding: 10px 14px;
  border: 0;
  border-radius: 7px;
  background: var(--accent);
  color: var(--surface);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.login-card button[type="submit"]:hover {
  filter: brightness(1.06);
}

.alert {
  padding: 9px 12px;
  margin-bottom: 16px;
  border: 1px solid var(--danger);
  border-radius: 7px;
  background: var(--danger-soft);
  color: var(--danger);
  font-size: 13px;
}

.error-card .button {
  margin-top: 6px;
}

@media (max-width: 640px) {
  .topbar {
    padding: 0 16px;
  }

  .brand span {
    display: none;
  }

  .page {
    padding: 24px 16px 36px;
  }

  .panel {
    padding: 14px;
  }

  .page-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .grid th,
  .grid td {
    padding: 8px 10px;
  }
}