:root {
  --bg: #f4f5f7; --panel: #ffffff; --text: #1d2330; --muted: #5b6273; --line: #d9dce3; --soft: #eef0f4;
  --accent: #2f5d50; --accent-text: #ffffff; --ok: #2f6f3e; --bad: #a12d2d; --warn: #8a5a00;
  --read: #e7eef9; --edit: #f4efe2; --commit: #f9e6e3; --user: #e4efe9;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #15181e; --panel: #1d2129; --text: #e3e6ec; --muted: #9aa1b0; --line: #343a46; --soft: #252a34;
    --accent: #5f9d8a; --accent-text: #0f1512; --ok: #7cc48d; --bad: #f08a80; --warn: #e3b55b;
    --read: #222d3d; --edit: #33301f; --commit: #3d2624; --user: #213129;
  }
}
:root[data-theme="dark"] {
  --bg: #15181e; --panel: #1d2129; --text: #e3e6ec; --muted: #9aa1b0; --line: #343a46; --soft: #252a34;
  --accent: #5f9d8a; --accent-text: #0f1512; --ok: #7cc48d; --bad: #f08a80; --warn: #e3b55b;
  --read: #222d3d; --edit: #33301f; --commit: #3d2624; --user: #213129;
}
* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; }
body { font: 14px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); }
button { font: inherit; cursor: pointer; border-radius: 6px; border: 1px solid var(--line); background: var(--panel); color: var(--text); padding: 6px 12px; }
button:disabled { opacity: .5; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
button.danger { background: var(--bad); border-color: var(--bad); color: #fff; }
button.ghost { background: transparent; }
button.small { padding: 3px 8px; font-size: 12.5px; }
input, select, textarea { font: inherit; color: var(--text); background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; width: 100%; }
input[type=checkbox] { width: auto; }
pre, code { font-family: var(--mono); font-size: 12.5px; }
pre { white-space: pre-wrap; word-break: break-word; margin: 0; }
[hidden] { display: none !important; }

header { display: flex; align-items: center; gap: 16px; padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
header .brand { font-weight: 600; color: var(--text); text-decoration: none; }
header nav { display: flex; gap: 14px; flex-wrap: wrap; }
header nav a, #me { color: var(--muted); text-decoration: none; }
header nav a.on, #me.on { color: var(--text); font-weight: 600; }
.spacer { flex: 1; }
main { max-width: 1180px; margin: 0 auto; padding: 20px 16px 60px; }
h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 24px 0 8px; }
.sub, .note, .muted { color: var(--muted); }
.sub { margin: 0 0 18px; }
.note { font-size: 12.5px; margin-top: 12px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.toolbar { display: flex; gap: 8px; align-items: center; justify-content: space-between; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar select { width: auto; min-width: 180px; }

/* forms */
.center { min-height: calc(100vh - 40px); display: grid; place-items: center; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 24px 28px; width: min(440px, 100%); }
.card h1 { font-size: 19px; }
label { display: block; font-size: 13px; margin: 12px 0 4px; }
label.check { display: flex; gap: 8px; align-items: center; }
.card button.primary { width: 100%; margin-top: 18px; padding: 9px; }
.links { display: flex; justify-content: space-between; margin-top: 14px; font-size: 13px; }
.error { color: var(--bad); font-size: 13px; margin-top: 10px; }
.ok-text { color: var(--ok); font-size: 13px; margin-top: 10px; }

/* environments */
.envs { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.env { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.env h3 { margin: 0; font-size: 15px; }
.env dl { display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; margin: 0; font-size: 13px; }
.env dt { color: var(--muted); }
.env dd { margin: 0; overflow-wrap: anywhere; }
.env .actions { display: flex; gap: 6px; flex-wrap: wrap; margin-top: auto; padding-top: 6px; }
.badge { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 10px; background: var(--soft); color: var(--muted); }
.badge.running, .badge.active { background: var(--user); color: var(--ok); }
.badge.stopped, .badge.new, .badge.pending, .badge.unconfirmed { background: var(--edit); color: var(--warn); }
.badge.blocked, .badge.removed { background: var(--commit); color: var(--bad); }
.meter { height: 6px; background: var(--soft); border-radius: 3px; overflow: hidden; }
.meter > i { display: block; height: 100%; background: var(--accent); }
.meter.over > i { background: var(--bad); }

/* tables */
.table-wrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; white-space: nowrap; }
td.nowrap { white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
td input { padding: 3px 6px; width: 80px; }
td select { padding: 3px 6px; width: auto; }
td .detail { font-family: var(--mono); font-size: 12px; color: var(--muted); max-width: 520px; overflow-wrap: anywhere; }

/* tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin: 12px 0 14px; }
.tabs button { border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: none; color: var(--muted); }
.tabs button.on { border-bottom-color: var(--accent); color: var(--text); }

/* chat (read-only archive) */
.chat { display: flex; flex-direction: column; gap: 8px; }
.ev { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; }
.ev .meta { font-size: 11.5px; color: var(--muted); margin-bottom: 2px; }
.ev.user { background: var(--user); }
.ev.tool.read { background: var(--read); }
.ev.tool.edit { background: var(--edit); }
.ev.tool.commit, .ev.approval { background: var(--commit); }
.ev.small { background: none; border: 0; padding: 0 12px; font-size: 12.5px; color: var(--muted); }
.ev.err { border-color: var(--bad); }
.ev .md > :first-child { margin-top: 0; }
.ev .md > :last-child { margin-bottom: 0; }
details summary { cursor: pointer; color: var(--muted); font-size: 12.5px; }

/* modal */
.modal { position: fixed; inset: 0; background: rgba(0, 0, 0, .35); display: grid; place-items: center; padding: 16px; z-index: 10; }
.modal .card { width: min(520px, 100%); max-height: calc(100vh - 32px); overflow: auto; }
.modal .buttons { display: flex; gap: 8px; justify-content: flex-end; margin-top: 18px; }
.modal .buttons button.primary { width: auto; margin: 0; }
#toast { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 8px 14px; border-radius: 8px; max-width: calc(100% - 32px); z-index: 20; }
#toast.bad { background: var(--bad); color: #fff; }

/* tenant knowledge base */
.kb { display: grid; grid-template-columns: minmax(200px, 280px) 1fr; gap: 12px; align-items: start; }
.kb-files { list-style: none; margin: 0; padding: 0; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; }
.kb-files li { padding: 6px 10px; border-bottom: 1px solid var(--line); font-size: 13px; display: flex; justify-content: space-between; gap: 8px; }
.kb-files li:last-child { border-bottom: 0; }
.kb-view { min-height: 200px; overflow-x: auto; }
.kb-meta { font-size: 11.5px; color: var(--muted); background: var(--soft); border-radius: 6px; padding: 6px 10px; margin: 6px 0 10px; }
@media (max-width: 720px) { .kb { grid-template-columns: 1fr; } }