:root {
  --bg: #0b0e14;
  --panel: #121722;
  --panel-2: #171d2b;
  --line: #232b3d;
  --text: #e4e9f2;
  --muted: #8593ad;
  --accent: #4d8dff;
  --ok: #3ddc97;
  --warn: #ffb454;
  --bad: #ff5c6c;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

h2 { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 0 0 12px; }
h3 { margin: 0 0 6px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.error { color: var(--bad); font-size: 13px; min-height: 18px; margin-top: 8px; }
.msg { font-size: 12px; margin-top: 8px; min-height: 16px; }

.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; letter-spacing: -.01em; }
.brand .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }

/* login */
.login-wrap { display: grid; place-items: center; height: 100%; padding: 20px; }
.login-card {
  width: 100%; max-width: 340px; background: var(--panel);
  border: 1px solid var(--line); border-radius: 14px; padding: 28px;
}
.login-card p { margin: 10px 0 20px; font-size: 13px; }

input, select, textarea {
  width: 100%; background: var(--bg); color: var(--text);
  border: 1px solid var(--line); border-radius: 8px;
  padding: 9px 11px; font: inherit; outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { font-family: var(--mono); font-size: 12px; resize: vertical; }
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 12px; }
label input, label select, label textarea { margin-top: 5px; }
label.check { display: flex; align-items: center; gap: 7px; margin: 0; cursor: pointer; }
label.check input { width: auto; margin: 0; }

.btn {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--line);
  border-radius: 8px; padding: 9px 14px; font: inherit; font-weight: 500;
  cursor: pointer; white-space: nowrap;
}
.btn:hover:not(:disabled) { border-color: #33405c; background: #1c2334; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #06101f; font-weight: 600; }
.btn.primary:hover:not(:disabled) { background: #6ba0ff; border-color: #6ba0ff; }
.btn.danger { color: var(--bad); border-color: #46242c; }
.btn.danger:hover:not(:disabled) { background: #2a1418; }
.btn.ghost { background: transparent; }
.btn.small { padding: 6px 10px; font-size: 12px; }
.btn.block { width: 100%; margin-top: 4px; }

/* layout */
#app { display: flex; flex-direction: column; height: 100%; }

.topbar {
  display: flex; align-items: center; gap: 20px;
  padding: 12px 18px; border-bottom: 1px solid var(--line);
  background: var(--panel); flex-shrink: 0;
}
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.conn { width: 8px; height: 8px; border-radius: 50%; background: var(--bad); }
.conn.online { background: var(--ok); box-shadow: 0 0 8px var(--ok); }

.stats { display: flex; gap: 18px; flex-wrap: wrap; }
.stat { display: flex; align-items: baseline; gap: 6px; font-size: 13px; }
.stat b { font-size: 15px; font-variant-numeric: tabular-nums; }
.stat span { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; }

.layout { display: flex; flex: 1; min-height: 0; }
.side {
  width: 290px; flex-shrink: 0; border-right: 1px solid var(--line);
  overflow-y: auto; padding: 16px; background: var(--panel);
}
.panel { margin-bottom: 26px; }
.content { flex: 1; overflow-y: auto; padding: 16px; min-width: 0; }

.filters { display: grid; gap: 10px; margin-bottom: 10px; }
.row-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.cost { font-size: 12px; color: var(--muted); margin: 4px 0 10px; min-height: 16px; }

/* fleet grid */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(268px, 1fr)); gap: 12px; }
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 11px; padding: 13px; cursor: pointer;
  transition: border-color .12s;
}
.card:hover { border-color: #33405c; }
.card.sel { border-color: var(--accent); background: #131a2a; }
.card-top { display: flex; align-items: center; gap: 8px; margin-bottom: 3px; }
.card-name { font-weight: 600; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-sub { font-family: var(--mono); font-size: 11px; color: var(--muted); margin-bottom: 11px; }

.badge {
  margin-left: auto; font-size: 10px; text-transform: uppercase; letter-spacing: .05em;
  padding: 2px 7px; border-radius: 20px; border: 1px solid; white-space: nowrap;
}
.badge.ready { color: var(--ok); border-color: #1f4f3c; background: #10241c; }
.badge.pending, .badge.connecting { color: var(--warn); border-color: #4d3a1c; background: #241c10; }
.badge.failed, .badge.offline { color: var(--bad); border-color: #46242c; background: #241014; }

.meters { display: grid; gap: 7px; }
.meter-row { display: grid; grid-template-columns: 30px 1fr 44px; align-items: center; gap: 8px; font-size: 11px; }
.meter-row > span:first-child { color: var(--muted); }
.meter-row > span:last-child { text-align: right; font-variant-numeric: tabular-nums; font-family: var(--mono); }
.bar { height: 5px; background: #1d2433; border-radius: 3px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--ok); border-radius: 3px; transition: width .3s; }
.bar > i.warn { background: var(--warn); }
.bar > i.bad { background: var(--bad); }
.card-foot { display: flex; gap: 10px; margin-top: 10px; font-size: 11px; color: var(--muted); }

.empty { text-align: center; padding: 70px 20px; }
.empty p { margin: 0; }

/* console */
.console {
  border-top: 1px solid var(--line); background: var(--panel);
  display: flex; flex-direction: column; height: 300px; flex-shrink: 0;
}
.console-head { display: flex; align-items: center; gap: 14px; padding: 11px 16px 0; }
.console-head h2 { margin: 0; }
.exec-row { display: flex; align-items: center; gap: 10px; padding: 11px 16px; }
.exec-row .prompt { color: var(--accent); font-family: var(--mono); font-weight: 700; }
.exec-row input[type="text"] { flex: 1; font-family: var(--mono); }

.output {
  flex: 1; overflow-y: auto; padding: 0 16px 14px;
  font-family: var(--mono); font-size: 12px; line-height: 1.55;
}
.out-line { display: flex; gap: 10px; padding: 1px 0; }
.out-host { color: var(--accent); flex-shrink: 0; width: 168px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.out-text { white-space: pre-wrap; word-break: break-word; flex: 1; }
.out-text.err { color: var(--bad); }
.out-sys { color: var(--muted); padding: 6px 0; border-top: 1px solid var(--line); margin-top: 6px; }
.out-sys b { color: var(--text); }
.out-sys.ok b { color: var(--ok); }

@media (max-width: 860px) {
  .layout { flex-direction: column; }
  .side { width: auto; border-right: none; border-bottom: 1px solid var(--line); max-height: 320px; }
  .stats { display: none; }
  .out-host { width: 110px; }
}