:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-2: #eef1f7;
  --text: #0f172a;
  --muted: #5b6478;
  --border: #dde2ec;
  --primary: #2563eb;
  --primary-text: #ffffff;
  --danger: #dc2626;
  --ok: #16a34a;
  --warn: #d97706;
  --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 4px 16px rgba(15, 23, 42, .06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1020;
    --surface: #131a2e;
    --surface-2: #1b2440;
    --text: #e6eaf3;
    --muted: #94a0ba;
    --border: #26304d;
    --primary: #3b82f6;
    --danger: #ef4444;
    --ok: #22c55e;
    --warn: #f59e0b;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 6px 20px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans Thai", sans-serif;
  min-height: 100vh;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--danger); min-height: 1.4em; margin: .25rem 0; font-size: .9rem; }
h2 { font-size: 1.15rem; margin: 0; }
h3 { margin: 0 0 1rem; }

.brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; font-size: 1.1rem; }
.logo {
  width: 26px; height: 26px; border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.btn {
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  padding: .5rem .9rem;
  border-radius: 9px;
  font: inherit;
  font-size: .9rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  white-space: nowrap;
}
.btn:hover { filter: brightness(1.05); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-text); }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.ghost { background: transparent; }
.btn.small { padding: .3rem .6rem; font-size: .82rem; }

input, select {
  width: 100%;
  margin-top: .3rem;
  padding: .6rem .7rem;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
}
input:focus, select:focus, .btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 1px; }
label { display: block; margin: .8rem 0; font-size: .9rem; color: var(--muted); }

/* login */
.login { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login-card { width: 100%; max-width: 380px; padding: 2rem; }
.login-card .btn { width: 100%; margin-top: .5rem; padding: .7rem; }

/* app */
.topbar {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: .8rem 16px; background: var(--surface); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 5; flex-wrap: wrap;
}
.top-actions { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.container { max-width: 1180px; margin: 0 auto; padding: 1.5rem 16px 3rem; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.stat { padding: 1.1rem 1.2rem; }
.stat-label { font-size: .82rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.stat-value { font-size: 1.5rem; font-weight: 700; margin: .25rem 0 .5rem; font-variant-numeric: tabular-nums; }
.stat-sub { font-size: .85rem; }
.bar { height: 8px; background: var(--surface-2); border-radius: 99px; overflow: hidden; margin-bottom: .4rem; }
.bar-fill { height: 100%; width: 0; background: var(--primary); border-radius: 99px; transition: width .4s; }
.bar-fill.warn { background: var(--warn); }
.bar-fill.over { background: var(--danger); }

.section-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }
.add-wrap { display: flex; gap: .5rem; align-items: center; }
.add-wrap select { margin: 0; min-width: 180px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1rem; }
.svc { padding: 1.1rem 1.2rem; display: flex; flex-direction: column; gap: .7rem; }
.svc-head { display: flex; justify-content: space-between; align-items: flex-start; gap: .5rem; }
.svc-name { font-weight: 700; font-size: 1.05rem; }
.svc-host { font-size: .82rem; color: var(--muted); word-break: break-all; }
.svc-meta { display: flex; gap: 1rem; font-size: .85rem; color: var(--muted); flex-wrap: wrap; font-variant-numeric: tabular-nums; }
.svc-actions { display: flex; gap: .4rem; flex-wrap: wrap; margin-top: auto; }

.pill { font-size: .75rem; padding: .15rem .55rem; border-radius: 99px; font-weight: 600; border: 1px solid transparent; white-space: nowrap; }
.pill.running { color: var(--ok); border-color: var(--ok); }
.pill.stopped, .pill.exited, .pill.created { color: var(--muted); border-color: var(--border); }
.pill.missing, .pill.dead, .pill.restarting { color: var(--warn); border-color: var(--warn); }
.pill.busy { color: var(--primary); border-color: var(--primary); }

dialog {
  border: 1px solid var(--border); border-radius: 14px; padding: 0;
  background: var(--surface); color: var(--text); width: min(420px, calc(100vw - 32px));
  box-shadow: var(--shadow);
}
dialog::backdrop { background: rgba(2, 6, 23, .55); }
.dialog-body { padding: 1.5rem; }
.dialog-actions { display: flex; justify-content: flex-end; gap: .5rem; margin-top: 1rem; }

.toasts { position: fixed; bottom: 16px; right: 16px; left: 16px; display: flex; flex-direction: column; align-items: flex-end; gap: .5rem; pointer-events: none; z-index: 20; }
.toast {
  background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--primary);
  padding: .7rem 1rem; border-radius: 10px; box-shadow: var(--shadow); max-width: 360px; pointer-events: auto;
}
.toast.err { border-left-color: var(--danger); }
.toast.ok { border-left-color: var(--ok); }

@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .add-wrap { width: 100%; }
  .add-wrap select { flex: 1; min-width: 0; }
}