:root {
  --bg: #0f1115;
  --card: #181b22;
  --card-inset: #14171e;  /* nested panels (group cards) between bg and card */
  --inset: #11141a;       /* sunken surfaces: inputs, code, command blocks */
  --fg: #e6e8ed;
  --muted: #8b91a0;
  --accent: #5b8cff;
  --ok: #6ee787;
  --warn: #e3b341;
  --error: #ff6b6b;
  --border: #262b35;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  /* Card centers in the space above; the legal footer rides the bottom. */
  grid-template-rows: 1fr auto;
  place-items: center;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif;
  padding: 24px;
}
/* AGPL section 13: every page offers the running hub's source. Quiet enough to
   ignore, present enough to satisfy the offer. */
footer.legal {
  margin-top: 20px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}
footer.legal a { color: var(--muted); }
footer.legal a:hover { color: var(--fg); }
/* Interaction states are part of the design: quiet 150ms fades on state
   changes, a visible keyboard focus ring, and no motion for those who ask. */
a, button, input, textarea, select, summary, nav.tabs a {
  transition: color 0.15s ease-out, background-color 0.15s ease-out,
    border-color 0.15s ease-out, filter 0.15s ease-out;
}
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); }
input[type="checkbox"] { accent-color: var(--accent); }
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}
.card {
  width: 100%;
  max-width: 480px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
}
/* Content-heavy pages (dashboard, account, users, invites, server detail) get
   more room; auth pages keep the narrow card. */
.card.wide { max-width: 960px; }
h1 { margin: 0 0 16px; font-size: 22px; }
h2 { font-size: 16px; margin: 24px 0 8px; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
label { display: block; margin: 12px 0 4px; color: var(--muted); font-size: 13px; }
input, textarea, select {
  width: 100%;
  padding: 10px 12px;
  background: var(--inset);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--fg);
  font-size: 15px;
}
textarea { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; resize: vertical; }
label.checkbox { display: flex; align-items: center; gap: 8px; }
label.checkbox input { width: auto; }
button {
  margin-top: 18px;
  width: 100%;
  padding: 11px 14px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
button.ghost {
  width: auto;
  margin: 0;
  padding: 7px 12px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}
button:hover { filter: brightness(1.08); }
button.ghost:hover { filter: none; color: var(--fg); border-color: var(--muted); }
button.ghost.danger:hover { color: var(--error); border-color: var(--error); }
a { color: var(--accent); text-decoration: none; }
a:hover { color: #82a7ff; }
.muted { color: var(--muted); font-size: 13px; }
.error { color: var(--error); min-height: 1.2em; font-size: 13px; }
.badge {
  display: inline-block;
  background: rgba(91, 140, 255, 0.18);
  color: var(--accent);
  border-radius: 6px;
  padding: 1px 8px;
  font-size: 12px;
  font-weight: 600;
}
/* Tool annotation hint chips (readOnlyHint, destructiveHint, ...). */
.badge.ann-safe    { background: rgba(63, 185, 80, 0.18);   color: var(--ok); }
.badge.ann-warn    { background: rgba(255, 107, 107, 0.18); color: var(--error); }
.badge.ann-neutral { background: rgba(139, 145, 160, 0.20); color: var(--muted); }
code {
  background: var(--inset);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 13px;
}
ul.servers { list-style: none; padding: 0; }
ul.servers li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.catalog-entry {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin: 14px 0;
}
.catalog-entry h3 { margin: 0 0 6px; font-size: 16px; }
button.danger { color: var(--error); border-color: rgba(255, 107, 107, 0.4); }
button[disabled] { opacity: 0.4; cursor: not-allowed; }
.row a { font-size: 14px; }
table.invites { width: 100%; border-collapse: collapse; }
table.invites th, table.invites td {
  text-align: left;
  padding: 8px 6px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
table.invites th {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
code.invite-code {
  display: inline-block;
  padding: 10px 14px;
  font-size: 18px;
  user-select: all;
}
.status { border-radius: 8px; padding: 8px 12px; font-size: 14px; }
.status-ok { background: rgba(80, 200, 120, 0.14); color: var(--ok); }
.status-warn { background: rgba(227, 179, 65, 0.14); color: var(--warn); }
.status-danger { background: rgba(255, 107, 107, 0.14); color: var(--error); }
pre.cmd { background: var(--inset); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; overflow-x: auto; }
pre.cmd code { background: none; padding: 0; font-size: 13px; }

/* Inline action buttons that shouldn't span the full card width. */
button.inline { width: auto; }
.row button.inline { margin-top: 0; }

/* Secondary detail line under a list item's title (added/last-used/IP/UA). */
.meta { font-size: 12px; margin-top: 3px; word-break: break-word; }

/* Create-token form: name grows, the Expires dropdown stays usable, button auto. */
form.token-create {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 8px;
  margin-top: 10px;
}
form.token-create label { margin: 0; }
form.token-create label.name { flex: 1 1 200px; }
form.token-create label.expires { flex: 0 0 130px; }
form.token-create button.inline { margin-top: 0; }

/* Connected MCP client rows: stacked title / meta / redirects / edit form. */
ul.conns { list-style: none; padding: 0; margin: 8px 0 0; }
ul.conns li {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.conn-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.conn-title { font-weight: 600; }
.conn-meta { margin: 4px 0 0; }
.conn-redirects { margin: 6px 0 0; font-size: 12px; word-break: break-all; }
.conn-redirects code { display: inline-block; margin: 2px 6px 2px 0; }
.conn-edit {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 8px;
  margin-top: 10px;
}
.conn-edit label { margin: 0; flex: 1 1 180px; }
.conn-edit button { margin-top: 0; width: auto; }
.conn-head form { margin: 0; }

/* Per-credential backend-access toggles (checkbox per backend). */
.access { margin-top: 10px; }
.access .muted { font-size: 13px; }
.access-grid { display: flex; flex-wrap: wrap; gap: 4px 16px; margin: 6px 0; }
.access-grid label.checkbox { margin: 0; font-size: 13px; }
.access button { margin-top: 4px; width: auto; }

.hidden { display: none; }

/* Right-aligned action-button cluster (e.g. table action cells). */
.actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; }
.actions form { margin: 0; }

/* Server detail tabs: the active tab is just a highlighted link. */
/* Segmented control: an unmistakable two-tab switch. The active tab is filled
   with a tint of the accent and brightened; inactive tabs sit in bordered
   cells that visibly invite a click. */
nav.tabs { display: inline-flex; gap: 4px; padding: 4px; margin: 16px 0 18px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 10px; }
nav.tabs a { padding: 7px 16px; font-size: 14px; font-weight: 600; line-height: 1;
  color: var(--muted); border-radius: 7px; border: 1px solid transparent; }
nav.tabs a:hover { color: var(--fg); background: var(--card); }
nav.tabs a.active { color: var(--fg); background: rgba(91, 140, 255, 0.16);
  border-color: var(--accent); }
nav.tabs a.active:hover { background: rgba(91, 140, 255, 0.16); }

/* Capabilities page: expandable tool/prompt entries. */
details.tool { border-bottom: 1px solid var(--border); padding: 8px 0; }
details.tool summary { cursor: pointer; }
details.tool summary code { font-size: 14px; }
details.tool > p { margin: 8px 0 4px; }
details.tool pre.cmd { margin: 4px 0 8px; max-height: 360px; overflow: auto; }

/* Connector group cards: each group is a bordered card with a title row,
   its connector URL, and an aligned member-checkbox grid. */
.group-card {
  background: var(--card-inset);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin: 12px 0;
}
.group-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.group-head form { margin-left: auto; }
.group-head form button { margin: 0; }
.group-url { margin: 8px 0 0; }
.group-members { margin-top: 12px; }
.group-members > .muted { font-size: 13px; }
.member-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 6px 16px;
  margin: 6px 0 10px;
}
.member-grid label.checkbox { margin: 0; font-size: 13px; }
form.group-create { display: flex; gap: 8px; margin-top: 14px; }
form.group-create input { flex: 1; }
form.group-create button { width: auto; margin: 0; white-space: nowrap; flex: 0 0 auto; }

/* Copy-to-clipboard buttons (web.rs copy_btn/copy_code/copy_pre + auth.js). */
.copywrap { display: inline-flex; align-items: center; gap: 6px; max-width: 100%; }
.copywrap code { overflow-wrap: anywhere; }
button.copy {
  width: auto;
  margin: 0;
  padding: 3px 5px;
  display: inline-flex;
  align-items: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  cursor: pointer;
  flex: 0 0 auto;
}
button.copy:hover { color: var(--fg); border-color: var(--muted); filter: none; }
button.copy svg { width: 14px; height: 14px; display: block; }
button.copy .icon-check { display: none; }
button.copy.copied { color: var(--ok); border-color: rgba(63, 185, 80, 0.4); }
button.copy.copied .icon-copy { display: none; }
button.copy.copied .icon-check { display: block; }

/* Block variant: the button sits in the corner of a pre.cmd. */
.copywrap.block { display: block; position: relative; }
.copywrap.block pre.cmd { margin: 8px 0; padding-right: 40px; }
.copywrap.block button.copy { position: absolute; top: 10px; right: 8px; background: var(--card); }