:root {
  --bg: #0f1115;
  --panel: #181b22;
  --panel-2: #1f232c;
  --border: #2b303b;
  --text: #e6e8ec;
  --muted: #9aa1ad;
  --accent: #5b8cff;
  --accent-hover: #6f9bff;
  --ok: #3fb950;
  --err: #f85149;
  --radius: 10px;
}

html[data-theme="light"] {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --panel-2: #f0f1f4;
  --border: #d9dce1;
  --text: #1a1d23;
  --muted: #6b7280;
  --accent: #3b6fe0;
  --accent-hover: #2f5fc8;
  --ok: #1a7f37;
  --err: #d1242f;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px; border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.topbar .brand { font-weight: 600; font-size: 15px; }
.topbar .brand .tag {
  margin-left: 8px; font-size: 11px; color: var(--muted);
  border: 1px solid var(--border); padding: 1px 7px; border-radius: 20px;
}
.topbar .right { display: flex; align-items: center; gap: 14px; color: var(--muted); }

.wrap { max-width: 1100px; margin: 0 auto; padding: 24px 22px 60px; }

.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px; margin-bottom: 16px;
}
.card h2 { margin: 0 0 14px; font-size: 15px; }
.card h3 { margin: 18px 0 10px; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }

.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 0; }
.grid { display: grid; gap: 12px; }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 720px) { .grid.cols-4, .grid.cols-3 { grid-template-columns: 1fr 1fr; } }

label { display: block; font-size: 12px; color: var(--muted); margin: 10px 0 4px; }
input, textarea, select {
  width: 100%; background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); border-radius: 8px; padding: 9px 11px; font: inherit;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); }
textarea { resize: vertical; min-height: 90px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

button {
  background: var(--accent); color: #fff; border: 0; border-radius: 8px;
  padding: 9px 16px; font: inherit; font-weight: 500; cursor: pointer;
}
button:hover { background: var(--accent-hover); }
button.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
button.ghost:hover { background: var(--panel-2); }
button.danger { background: transparent; border: 1px solid var(--err); color: var(--err); }
button.danger:hover { background: rgba(248,81,73,.12); }
button.sm { padding: 5px 10px; font-size: 12px; }
button:disabled { opacity: .5; cursor: default; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); font-size: 13px; }
th { color: var(--muted); font-weight: 500; font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }
tr:last-child td { border-bottom: 0; }
td .actions { display: flex; gap: 6px; justify-content: flex-end; }

.stat { background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; }
.stat .num { font-size: 26px; font-weight: 600; }
.stat .lbl { color: var(--muted); font-size: 12px; margin-top: 2px; }

.tabs { display: flex; gap: 4px; margin-bottom: 16px; border-bottom: 1px solid var(--border); }
.tabs button {
  background: transparent; color: var(--muted); border: 0; border-bottom: 2px solid transparent;
  border-radius: 0; padding: 9px 14px; font-weight: 500;
}
.tabs button.active { color: var(--text); border-bottom-color: var(--accent); }
.tabs button:hover { color: var(--text); }

.pill { font-size: 11px; padding: 2px 8px; border-radius: 20px; border: 1px solid var(--border); color: var(--muted); }
.pill.ok { color: var(--ok); border-color: rgba(63,185,80,.4); }
.pill.err { color: var(--err); border-color: rgba(248,81,73,.4); }
.pill.off { opacity: .6; }

.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.muted { color: var(--muted); }
.code-box {
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 12px; font-family: ui-monospace, monospace; font-size: 12px;
  white-space: pre-wrap; word-break: break-all;
}

.msg { padding: 9px 12px; border-radius: 8px; margin-bottom: 12px; font-size: 13px; }
.msg.err { background: rgba(248,81,73,.12); color: var(--err); border: 1px solid rgba(248,81,73,.3); }
.msg.ok  { background: rgba(63,185,80,.12); color: var(--ok); border: 1px solid rgba(63,185,80,.3); }

.login-wrap { max-width: 360px; margin: 12vh auto 0; }
.login-wrap h1 { font-size: 20px; text-align: center; margin-bottom: 4px; }
.login-wrap .sub { text-align: center; color: var(--muted); margin-bottom: 24px; font-size: 13px; }

.empty { color: var(--muted); padding: 18px 4px; font-size: 13px; }

.modal-bg {
  position: fixed; inset: 0; background: rgba(0,0,0,.6);
  display: flex; align-items: flex-start; justify-content: center; padding: 8vh 16px;
  z-index: 50;
}
.modal {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; width: 100%; max-width: 560px; max-height: 80vh; overflow: auto;
}
.modal h2 { margin-top: 0; }
.modal .modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 18px; }

.inline-form { display: flex; gap: 8px; align-items: flex-end; }
.inline-form > div { flex: 1; }
.inline-form label { margin-top: 0; }

/* nested key/value rendering for records */
table.kv { width: 100%; border-collapse: collapse; }
table.kv td { padding: 5px 8px; border-bottom: 1px solid var(--border); vertical-align: top; font-size: 13px; }
table.kv tr:last-child td { border-bottom: 0; }
.kv-key { color: var(--muted); width: 200px; font-family: ui-monospace, monospace; font-size: 12px; }
.kv-val { color: var(--text); }
.kv-nested { margin: 4px 0; padding-left: 10px; border-left: 2px solid var(--border); }

/* tool parameter table */
table.params { width: 100%; border-collapse: collapse; margin-bottom: 4px; }
table.params th, table.params td { padding: 6px 8px; border-bottom: 1px solid var(--border); font-size: 12px; text-align: left; vertical-align: top; }
table.params th { color: var(--muted); font-weight: 500; text-transform: uppercase; letter-spacing: .04em; }

/* expandable tool detail row */
tr.detail-row td { background: var(--panel-2); padding: 0; }
.tool-detail { padding: 16px 18px; }
.tool-detail h3 { margin: 14px 0 8px; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.tool-detail h3:first-of-type { margin-top: 14px; }
.td-summary { font-size: 13px; line-height: 1.55; }