:root {
  --bg: #0f1115; --bg-soft: #161a21; --bg-card: #1b2029; --line: #262d39;
  --text: #e6e9ef; --muted: #8b95a7; --accent: #4f9cf9; --ok: #3ecf8e;
  --warn: #f5a524; --danger: #f5615c; --radius: 10px;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
button { font: inherit; cursor: pointer; border-radius: 8px; border: 1px solid var(--line);
  background: var(--bg-card); color: var(--text); padding: 6px 12px; }
button:hover { border-color: var(--accent); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); color: #07121f; font-weight: 600; }
button.danger { background: var(--danger); border-color: var(--danger); color: #1b0605; font-weight: 600; }
button.warning { background: var(--warn); border-color: var(--warn); color: #201400; font-weight: 600; }
button.ghost { background: transparent; }
.danger-text { color: var(--danger); }
input, select, textarea { font: inherit; background: var(--bg); color: var(--text);
  border: 1px solid var(--line); border-radius: 8px; padding: 6px 9px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
code { background: var(--bg); padding: 1px 5px; border-radius: 4px; font-size: .92em; }
.hidden { display: none !important; }

.login { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-box { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; width: min(360px, 100%); }
.login-box h1 { margin: 0 0 18px; font-size: 20px; }
.login-box h1 span { color: var(--muted); font-weight: 400; }
.login-box label { display: block; color: var(--muted); font-size: 13px; margin-bottom: 14px; }
.login-box input { margin-top: 6px; }
.login-box button { width: 100%; }
#loginError { color: var(--danger); min-height: 20px; margin: 10px 0 0; }

.topbar { display: flex; align-items: center; gap: 18px; padding: 10px 18px; background: var(--bg-soft);
  border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.brand { font-weight: 700; letter-spacing: .3px; }
.brand span { color: var(--muted); font-weight: 400; }
.tabs { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.tabs button { background: transparent; border-color: transparent; color: var(--muted); }
.tabs button.active { background: var(--bg-card); border-color: var(--line); color: var(--text); }
.conn { display: flex; align-items: center; gap: 8px; color: var(--muted); white-space: nowrap; }
.conn select { width: auto; min-width: 120px; padding: 3px 7px; font-size: 13px; }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; background: var(--muted); }
.dot.on { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.dot.off { background: var(--danger); }
.tbl .dot { margin-right: 7px; vertical-align: 1px; }
.tbl button.expand { padding: 1px 8px; font-size: 12px; }
.tbl tr.detail > td { background: var(--bg-soft); padding: 10px 14px; }
.tbl .inner { margin: 0; }
.tbl .inner th { font-size: 11px; }
.tbl .inner td, .tbl .inner th { border-bottom: 1px solid var(--line); padding: 5px 8px; }
.tbl a { color: inherit; text-decoration: none; }
.tbl a:hover { color: var(--accent); text-decoration: underline; }

main { padding: 18px; max-width: 1500px; margin: 0 auto; }
.view { display: none; }
.view.active { display: block; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 12px; }
.card, .panel { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.card { padding: 10px 12px; display: flex; flex-direction: column; min-height: 78px; }
.card h3 { display: flex; align-items: center; gap: 8px; }
.stato { font-size: 14px; font-weight: 600; text-transform: none; letter-spacing: 0; }
.card .row { margin-top: auto; }          /* i pulsanti si allineano in basso */
.panel { margin-bottom: 16px; }
.card h3, .panel h2 { margin: 0 0 8px; font-size: 13px; text-transform: uppercase; letter-spacing: .6px;
  color: var(--muted); font-weight: 600; }
.card h3 { margin: 0 0 3px; font-size: 11px; }
.panel h2 { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.panel h2 .chk, .panel h2 .muted { text-transform: none; letter-spacing: 0; font-weight: 400; }
.panel h2 select, .chk select { width: auto; min-width: 0; padding: 2px 6px; font-size: 12px; }
.big { font-size: 19px; font-weight: 600; margin-bottom: 2px; line-height: 1.25; }
.card .muted { font-size: 11px; }
.card .row { margin-top: 6px; gap: 6px; }
#btnStart, #btnStop, #btnTgOn, #btnTgOff, #btnRestart { min-width: 96px; padding: 7px 18px; }
.card .row { gap: 8px; }
.card .big { margin: 2px 0 6px; }
.activity { font-size: 13px; margin-left: 6px; letter-spacing: -1px; }
.activity span { color: var(--muted); opacity: .3; display: inline-block; }
.activity span.flash { animation: lampo .7s ease-out; }
.activity span.flash.ok { color: var(--ok); }
.activity span.flash.err { color: var(--danger); }
@keyframes lampo {
  0%   { opacity: 1; transform: translateY(0) scale(1.3); }
  40%  { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: .3; transform: translateY(0) scale(1); }
}
.activity.blink { animation: pulsa .9s ease-out; }
.activity.blink.su { color: var(--ok); }
.activity.blink.giu { color: var(--danger); }
.activity.fermo { color: var(--warn); opacity: 1; }
@keyframes pulsa {
  0%   { opacity: 1; transform: scale(1.35); }
  60%  { opacity: .9; transform: scale(1); }
  100% { opacity: .35; transform: scale(1); }
}
.card a { color: var(--accent); }

.card .row button { padding: 3px 10px; font-size: 12px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.row.end { justify-content: flex-end; margin-top: 14px; }
.muted { color: var(--muted); font-size: 13px; }
.warn { background: rgba(245,165,36,.12); border: 1px solid var(--warn); color: var(--warn);
  padding: 8px 12px; border-radius: 8px; margin-bottom: 10px; }
#restartBanner { display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin: 12px 18px 0; border-radius: var(--radius); }
#restartBanner span { flex: 1; min-width: 240px; }
#restartBanner button { padding: 4px 14px; }

.tbl { width: 100%; border-collapse: collapse; }
.tbl th, .tbl td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--line); }
.tbl th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
.tbl tbody tr:hover { background: var(--bg-soft); }
.pill { font-size: 12px; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.pill.on { color: var(--ok); border-color: var(--ok); }
.pill.off { color: var(--danger); border-color: var(--danger); }

.split { display: grid; grid-template-columns: 280px 1fr; gap: 16px; align-items: start; }
.sidebar { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; position: sticky; top: 72px; }
.side-head { display: flex; gap: 6px; padding: 10px; border-bottom: 1px solid var(--line); }
.side-head button { flex: 0 0 auto; }
.list { list-style: none; margin: 0; padding: 0; max-height: calc(100vh - 170px); overflow: auto; }
.list li { padding: 9px 12px; border-bottom: 1px solid var(--line); cursor: pointer;
  display: flex; justify-content: space-between; gap: 8px; }
.list li:hover { background: var(--bg-soft); }
.list li.active { background: rgba(79,156,249,.14); border-left: 3px solid var(--accent); }
.list li.dirty::after { content: "●"; color: var(--warn); }
.list li .sub { color: var(--muted); font-size: 12px; }

.editor { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; min-height: 60vh; }
.editor-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start;
  flex-wrap: wrap; border-bottom: 1px solid var(--line); padding-bottom: 12px; margin-bottom: 12px; }
.editor-head h2 { margin: 0 0 2px; font-size: 18px; }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 12px 0; }
.toolbar input[type=search], .toolbar select { width: auto; min-width: 180px; }
.chk { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 13px; white-space: nowrap; }
.chk input { width: auto; }

.group { margin-bottom: 18px; }
.group > h4 { margin: 0 0 8px; font-size: 12px; text-transform: uppercase; letter-spacing: .6px; color: var(--accent); }
.fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 10px; }
.field { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
.field.changed { border-color: var(--warn); box-shadow: inset 2px 0 0 var(--warn); }
.field label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; word-break: break-all; }
.field .key { color: var(--text); font-weight: 600; font-size: 13px; }
.field .help { font-size: 11px; color: var(--muted); margin-top: 4px; }
.field .ctl { display: flex; gap: 6px; align-items: center; }
.field .ctl input[type=checkbox] { width: auto; transform: scale(1.2); }
.field .rm { background: transparent; border: none; color: var(--muted); padding: 0 4px; }
.field .rm:hover { color: var(--danger); }

textarea#jsonEditor { min-height: 55vh; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12.5px; margin-bottom: 10px; }
.out { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px;
  white-space: pre-wrap; max-height: 260px; overflow: auto; font-size: 12px; }
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex; align-items: center;
  justify-content: center; z-index: 50; padding: 20px; }
.modal-box { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; width: min(760px, 100%); max-height: 85vh; overflow: auto; }
.modal-box h3 { margin: 0 0 12px; }
.modal-box label { display: block; color: var(--muted); font-size: 13px; margin-bottom: 12px; }
.modal-box label input, .modal-box label select { margin-top: 4px; }
.diff { font-family: ui-monospace, monospace; font-size: 12.5px; }
.diff div { padding: 1px 6px; border-radius: 4px; }
.diff .add { background: rgba(62,207,142,.14); color: var(--ok); }
.diff .del { background: rgba(245,97,92,.14); color: var(--danger); }
.diff .mod { background: rgba(245,165,36,.12); color: var(--warn); }

#toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 60; }
.toast { background: var(--bg-card); border: 1px solid var(--line); border-left: 3px solid var(--accent);
  border-radius: 8px; padding: 10px 14px; max-width: 420px; box-shadow: 0 6px 24px rgba(0,0,0,.4); }
.toast.err { border-left-color: var(--danger); }
.toast.ok { border-left-color: var(--ok); }

@media (max-width: 900px) { .split { grid-template-columns: 1fr; } .sidebar { position: static; } }