:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --line: #e2e5ea;
  --text: #1c2027;
  --muted: #6b7280;
  --accent: #2f6fde;
  --good: #1f9d55;
  --warn: #c98a00;
  --bad: #d64545;
  --code-bg: #0f1419;
  --code-text: #d7dde5;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111418;
    --panel: #191d23;
    --line: #2a3039;
    --text: #e4e7ec;
    --muted: #8b93a1;
    --accent: #6b9cff;
    --good: #3ecf7a;
    --warn: #e0a82e;
    --bad: #ff6b6b;
    --code-bg: #0b0e12;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 "Segoe UI", system-ui, -apple-system, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 5;
}
header .brand { font-weight: 600; font-size: 16px; }
header nav { display: flex; gap: 12px; flex: 1; }
header nav a.active { font-weight: 600; text-decoration: underline; }
header .user { color: var(--muted); }
main { max-width: 1200px; margin: 0 auto; padding: 16px; }
h1 { font-size: 20px; margin: 4px 0 12px; }
h2 { font-size: 16px; margin: 18px 0 8px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
}
.center-box { max-width: 380px; margin: 60px auto; }
.center-box h1 { text-align: center; }
form.stack { display: flex; flex-direction: column; gap: 10px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
input[type=text], input[type=password], input[type=search],
input[type=number] {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
button {
  padding: 8px 14px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  cursor: pointer;
}
button.ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--line);
}
button.danger { background: var(--bad); }
button:disabled { opacity: .5; cursor: default; }
.error { color: var(--bad); min-height: 1.2em; }

/* κάρτες bots */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 12px;
}
.card { cursor: pointer; transition: border-color .15s; }
.card:hover { border-color: var(--accent); }
.card-head { display: flex; align-items: center; gap: 8px; }
.card-head .name { font-weight: 600; font-size: 15px; }
.card-head .ago { margin-left: auto; }
.dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--muted); flex: none;
}
.dot.on { background: var(--good); }
.dot.busy { background: var(--accent); }
.dot.off { background: var(--bad); }
.doing { margin: 6px 0 10px; color: var(--muted); min-height: 1.3em; }
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px 12px;
}
.stat .k { font-size: 11px; color: var(--muted); }
.stat .v { font-size: 15px; font-weight: 600; font-variant-numeric: tabular-nums; }
.badges { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.badge {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
}
.badge.warn { color: var(--warn); border-color: var(--warn); }
.badge.bad { color: var(--bad); border-color: var(--bad); }
.badge.ok { color: var(--good); border-color: var(--good); }

/* λεπτομέρειες */
.tabs { display: flex; gap: 4px; margin: 14px 0 8px; border-bottom: 1px solid var(--line); }
.tabs button {
  background: transparent;
  color: var(--muted);
  border-radius: 8px 8px 0 0;
  border-bottom: 2px solid transparent;
}
.tabs button.active { color: var(--text); border-bottom-color: var(--accent); }
.toolbar { display: flex; gap: 12px; align-items: center; margin-bottom: 8px; flex-wrap: wrap; }
.toolbar label { flex-direction: row; align-items: center; gap: 6px; }
.log {
  background: var(--code-bg);
  color: var(--code-text);
  border-radius: var(--radius);
  padding: 10px 12px;
  height: 60vh;
  overflow: auto;
  font: 12px/1.45 Consolas, "Cascadia Mono", monospace;
  white-space: pre-wrap;
  word-break: break-word;
}
.log .t { color: #7d8794; }
.log .l-warn { color: #f0c05a; }
.log .l-bad { color: #ff7b7b; }
.log .l-good { color: #6ee7a0; }
.log .l-head { color: #8fb4ff; font-weight: 600; }

table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
tr.bad td { color: var(--bad); }
td:first-child { white-space: nowrap; }
.table-wrap { overflow-x: auto; }
.keybox {
  margin-top: 10px;
  padding: 10px;
  border: 1px dashed var(--warn);
  border-radius: 8px;
  word-break: break-all;
  font-family: Consolas, monospace;
}
.row { display: flex; gap: 8px; align-items: end; flex-wrap: wrap; }
.spacer { flex: 1; }
button.small { padding: 4px 10px; font-size: 12px; }
select {
  padding: 7px 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
.toolbar label { color: var(--muted); }
label.inline { flex-direction: row; align-items: center; gap: 4px; }
table.settings td:first-child { width: 55%; white-space: normal; }
table.settings input[type=number] { width: 110px; }
table.settings input[type=text] { width: 100%; max-width: 360px; }
td.farm-row { color: var(--accent); padding-left: 22px; }
td.row { display: flex; gap: 6px; flex-wrap: wrap; border-bottom: 0; }
.ok-msg { color: var(--good); min-height: 1.2em; }
.center-box.narrow { margin: 10px 0; }
header a.user { color: var(--muted); }
header a.user.active { color: var(--text); }
.empty { padding: 30px; text-align: center; color: var(--muted); }

@media (max-width: 600px) {
  main { padding: 12px; }
  .grid { grid-template-columns: 1fr; }
  header { flex-wrap: wrap; }
}