:root {
  --bg: #0f1115; --panel: #171a21; --panel2: #1e222b; --border: #2a2f3a;
  --text: #e6e9ef; --muted: #9aa4b2; --accent: #4c8bf5; --accent2: #2f6fe0;
  --good: #35c46b; --danger: #e5484d; --warn: #e5a23d;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body { font: 14px/1.4 system-ui, -apple-system, Segoe UI, Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); text-decoration: none; }
button {
  font: inherit; cursor: pointer; border: 1px solid var(--border);
  background: var(--panel2); color: var(--text); padding: 6px 12px; border-radius: 6px;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent2); border-color: var(--accent2); }
button.primary:hover { background: var(--accent); }
button.danger { border-color: var(--danger); color: #ffb4b6; }
button.small { padding: 3px 9px; font-size: 12px; }
input, select, textarea {
  font: inherit; background: var(--panel2); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px; width: 100%;
}
label { display: block; margin: 10px 0 4px; color: var(--muted); font-size: 12px; }

/* Login */
#login { display: flex; align-items: center; justify-content: center; height: 100%; }
#login .card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 28px; width: 340px; }
#login h1 { font-size: 18px; margin: 0 0 4px; }
#login p { color: var(--muted); margin: 0 0 8px; }
#login .err { color: var(--danger); min-height: 18px; margin-top: 10px; font-size: 13px; }
#login button { width: 100%; margin-top: 18px; }
.login-box { width: 340px; }
.downloads { margin-top: 14px; padding: 16px; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; }
.downloads.hidden { display: none; }
.dl-title { display: block; color: var(--muted); font-size: 12px; margin-bottom: 10px; }
.dl-links { display: flex; gap: 8px; }
.dl-btn { flex: 1; text-align: center; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--panel2); color: var(--text); font-size: 13px; }
.dl-btn:hover { border-color: var(--accent); }

/* App shell */
#app { display: none; grid-template-rows: 52px 1fr; height: 100%; }
#app.active { display: grid; }
.topbar { display: flex; align-items: center; gap: 16px; padding: 0 16px; background: var(--panel); border-bottom: 1px solid var(--border); }
.brand { font-weight: 700; white-space: nowrap; }
.topbar nav { display: flex; gap: 4px; flex: 1; }
.topbar nav button { background: transparent; border-color: transparent; color: var(--muted); }
.topbar nav button.active { color: var(--text); border-color: var(--border); background: var(--panel2); }
.who { color: var(--muted); font-size: 12px; white-space: nowrap; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--good); display: inline-block; }

.view { min-height: 0; height: 100%; }
#view-online { display: grid; grid-template-columns: 300px 1fr; }
.hidden { display: none !important; }

/* Sidebar (online) */
.sidebar { background: var(--panel); border-right: 1px solid var(--border); display: flex; flex-direction: column; min-height: 0; }
.sidebar-title { padding: 12px 16px; border-bottom: 1px solid var(--border); font-weight: 600; }
.agents { overflow-y: auto; flex: 1; }
.agent { padding: 12px 16px; border-bottom: 1px solid var(--border); }
.agent .top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.agent .name { font-weight: 600; }
.agent .meta { color: var(--muted); font-size: 12px; margin-top: 2px; }
.agent .actions { margin-top: 8px; display: flex; gap: 6px; }
.group-label { padding: 8px 16px 4px; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }
.badge { font-size: 10px; text-transform: uppercase; padding: 2px 6px; border-radius: 4px; border: 1px solid var(--border); color: var(--muted); }
.badge.win { color: #7db4ff; border-color: #2f4c7a; }
.badge.linux { color: #ffd479; border-color: #6b5a2a; }
.empty { color: var(--muted); padding: 24px 16px; text-align: center; }

/* Main / session */
.main { display: flex; flex-direction: column; min-width: 0; }
.main .bar { padding: 10px 14px; border-bottom: 1px solid var(--border); background: var(--panel); display: flex; align-items: center; gap: 10px; min-height: 48px; }
.main .bar .title { font-weight: 600; }
.main .bar .spacer { flex: 1; }
.stage { flex: 1; min-height: 0; position: relative; background: #000; }
.stage .placeholder { color: var(--muted); display: flex; height: 100%; align-items: center; justify-content: center; }
#terminal { position: absolute; inset: 0; padding: 6px; background: #000; }
#desktopWrap { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; outline: none; }
#desktop { max-width: 100%; max-height: 100%; cursor: none; }

/* Monitor panel */
#monitor { position: absolute; inset: 0; overflow-y: auto; padding: 20px 24px; background: var(--bg); }
.mon-when { color: var(--muted); font-size: 12px; margin-bottom: 16px; }
.metric { margin-bottom: 16px; max-width: 720px; }
.metric .lbl { display: flex; justify-content: space-between; margin-bottom: 5px; font-size: 13px; }
.metric .lbl .v { color: var(--muted); }
.bar { height: 12px; background: var(--panel2); border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.bar > span { display: block; height: 100%; background: var(--good); transition: width .4s ease; }
.bar > span.warn { background: var(--warn); }
.bar > span.crit { background: var(--danger); }
.mon-section { margin-top: 22px; max-width: 720px; }
.mon-section h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 0 0 8px; }
.procs { display: flex; flex-wrap: wrap; gap: 5px; }
.procs .chip { background: var(--panel2); }
.mon-empty { color: var(--muted); }

/* Management views */
#view-manage { overflow-y: auto; padding: 22px 26px; }
#manage h2 { margin: 0 0 4px; font-size: 18px; }
#manage .hint { color: var(--muted); margin: 0 0 18px; }
.table { width: 100%; border-collapse: collapse; margin-top: 8px; }
.table th, .table td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
.table th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
.table tr:hover td { background: var(--panel); }
.card2 { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 18px; margin-bottom: 20px; max-width: 640px; }
.row { display: flex; gap: 12px; }
.row > * { flex: 1; }
.permlist { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; margin-top: 6px; }
.permlist label { display: flex; align-items: center; gap: 8px; margin: 0; color: var(--text); font-size: 13px; }
.permlist input { width: auto; }
.chips { display: flex; flex-wrap: wrap; gap: 4px; }
.chip { font-size: 11px; padding: 2px 7px; border: 1px solid var(--border); border-radius: 10px; color: var(--muted); }
.pill { font-size: 11px; padding: 2px 8px; border-radius: 10px; }
.pill.on { background: rgba(53,196,107,.15); color: var(--good); }
.pill.off { background: rgba(229,72,77,.15); color: var(--danger); }
.formActions { margin-top: 16px; display: flex; gap: 8px; }
.toast { position: fixed; bottom: 18px; right: 18px; background: var(--panel2); border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; }
.toast.err { border-color: var(--danger); color: #ffb4b6; }