:root {
  --ink: #16211c;
  --muted: #5c6b63;
  --paper: #f4f6f2;
  --panel: #ffffff;
  --line: #d9e0d8;
  --accent: #0f6b4f;
  --accent-ink: #ffffff;
  --accent-soft: #e0f0e8;
  --warn: #9a6200;
  --warn-soft: #fdf0d5;
  --bad: #b3261e;
  --bad-soft: #fbe4e1;
  --off: #6b7770;
  --off-soft: #e8ece7;
  --code-bg: #eef2ec;
  --sans: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  --mono: "Cascadia Mono", Consolas, "SF Mono", Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e6eee9;
    --muted: #96a59c;
    --paper: #101613;
    --panel: #18211d;
    --line: #2a3731;
    --accent: #3fb68b;
    --accent-ink: #07130e;
    --accent-soft: #163026;
    --warn: #f0b64a;
    --warn-soft: #3a2d10;
    --bad: #f2877f;
    --bad-soft: #3b1917;
    --off: #8d9a93;
    --off-soft: #222c27;
    --code-bg: #0e1411;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.5 var(--sans); }
h1, h2, h3 { margin: 0; font-weight: 600; line-height: 1.25; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1rem; }
p { margin: 0 0 .75rem; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); font-size: .9em; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- controls ---------- */
button, .btn {
  font: inherit; cursor: pointer; color: var(--ink); background: var(--panel);
  border: 1px solid var(--line); border-radius: 6px; padding: .45rem .85rem;
}
button:hover { border-color: var(--muted); }
button:disabled { opacity: .55; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
button.primary:hover { filter: brightness(1.08); }
button.danger { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 45%, var(--line)); }
button.link { border: 0; background: none; padding: .2rem .4rem; color: var(--muted); }
button.link:hover { color: var(--ink); text-decoration: underline; }
button.small { padding: .2rem .55rem; font-size: .85rem; }

label { display: block; font-weight: 500; margin-bottom: .75rem; }
label small { display: block; font-weight: 400; color: var(--muted); }
input[type=text], input[type=password], input[type=number], textarea {
  display: block; width: 100%; margin-top: .3rem; font: inherit; color: var(--ink);
  background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: .5rem .65rem;
}
textarea { min-height: 90px; resize: vertical; }
label.check { display: flex; gap: .5rem; align-items: flex-start; font-weight: 400; }
label.check input { margin-top: .3rem; }

/* ---------- auth ---------- */
.auth { min-height: 100%; display: grid; place-items: center; padding: 1.5rem; }
.auth-card { width: 100%; max-width: 380px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 1.75rem; }
.auth-card h1 { font-size: 1.4rem; margin-bottom: .35rem; }
.auth-card .err { color: var(--bad); min-height: 1.4em; margin: 0 0 .5rem; }
.auth-card button.primary { width: 100%; padding: .6rem; }

/* ---------- layout ---------- */
.app { display: grid; grid-template-rows: auto 1fr; min-height: 100%; }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: .7rem 1.25rem; background: var(--panel); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; letter-spacing: .01em; display: flex; align-items: center; gap: .55rem; }
.brand i { width: 14px; height: 14px; border-radius: 4px 4px 4px 0; background: var(--accent); display: inline-block; }
.layout { display: grid; grid-template-columns: 290px 1fr; min-height: 0; }
.side { border-right: 1px solid var(--line); padding: 1rem; display: flex; flex-direction: column; gap: .75rem; background: var(--panel); }
.side .primary { width: 100%; }
#list { display: flex; flex-direction: column; gap: .35rem; }
.item { display: block; width: 100%; text-align: left; border-radius: 8px; padding: .6rem .7rem; border: 1px solid transparent; background: none; }
.item:hover { background: var(--paper); border-color: var(--line); }
.item.sel { background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }
.item .name { font-weight: 600; display: flex; justify-content: space-between; gap: .5rem; }
.item .sub { color: var(--muted); font-size: .85rem; display: flex; justify-content: space-between; }
.main { padding: 1.5rem; overflow: auto; }
.empty { max-width: 460px; margin: 4rem auto; text-align: center; color: var(--muted); }
.empty h2 { color: var(--ink); margin-bottom: .5rem; }

.head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem; align-items: flex-start; margin-bottom: 1rem; }
.head .meta { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; margin-top: .35rem; }
.chip { font-family: var(--mono); font-size: .82rem; background: var(--code-bg); border: 1px solid var(--line); border-radius: 5px; padding: .1rem .45rem; }
.tabs { display: flex; gap: .25rem; border-bottom: 1px solid var(--line); margin-bottom: 1.25rem; }
.tab { border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: none; padding: .55rem .9rem; color: var(--muted); }
.tab.on { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 1.25rem; margin-bottom: 1.25rem; max-width: 760px; }
.panel h3 { margin-bottom: .6rem; }
.row { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }

/* ---------- badges ---------- */
.badge { display: inline-flex; align-items: center; gap: .4rem; font-size: .82rem; font-weight: 600; border-radius: 99px; padding: .1rem .6rem; }
.badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.badge.ok { color: var(--accent); background: var(--accent-soft); }
.badge.warn, .badge.wait { color: var(--warn); background: var(--warn-soft); }
.badge.bad { color: var(--bad); background: var(--bad-soft); }
.badge.off { color: var(--off); background: var(--off-soft); }
.badge.wait::before { animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .25; } }
@media (prefers-reduced-motion: reduce) { .badge.wait::before { animation: none; } }

/* ---------- connection panel ---------- */
.conn { display: grid; gap: .4rem; }
.conn .big { font-size: 1.5rem; font-weight: 650; }
.conn.ok .big { color: var(--accent); }
.conn .num { font-family: var(--mono); font-size: 1.05rem; }
.qrwrap { display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: flex-start; }
.qrwrap img { width: 260px; height: 260px; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 6px; image-rendering: pixelated; }
.qrwrap ol { margin: .25rem 0 0; padding-left: 1.2rem; max-width: 340px; }
.qrwrap li { margin-bottom: .35rem; }
.note { border-radius: 8px; padding: .6rem .8rem; background: var(--warn-soft); color: var(--warn); margin-bottom: 1rem; max-width: 760px; }
.note.bad { background: var(--bad-soft); color: var(--bad); }

/* ---------- tables / code ---------- */
.tablewrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th { text-align: left; font-weight: 600; color: var(--muted); border-bottom: 1px solid var(--line); padding: .4rem .6rem; white-space: nowrap; }
td { padding: .45rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
td.msg { max-width: 340px; word-break: break-word; }
.errtxt { color: var(--bad); font-size: .85rem; }
pre { margin: .4rem 0 .9rem; background: var(--code-bg); border: 1px solid var(--line); border-radius: 8px; padding: .75rem .9rem; overflow-x: auto; font: .85rem/1.5 var(--mono); }
.kv { display: grid; grid-template-columns: 110px 1fr auto; gap: .5rem; align-items: center; margin-bottom: .5rem; }
.kv span:first-child { color: var(--muted); }

/* ---------- dialog / toast ---------- */
dialog { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); color: var(--ink); padding: 1.5rem; width: min(520px, 92vw); }
dialog::backdrop { background: rgba(10, 16, 13, .55); }
dialog h2 { margin-bottom: .75rem; }
.dlg-actions { display: flex; justify-content: flex-end; gap: .5rem; margin-top: 1rem; }
.keybox { font: .9rem var(--mono); background: var(--code-bg); border: 1px solid var(--line); border-radius: 8px; padding: .7rem; word-break: break-all; margin: .4rem 0 .6rem; }
#toast { position: fixed; left: 50%; bottom: 1.25rem; transform: translateX(-50%); background: var(--ink); color: var(--paper); padding: .5rem 1rem; border-radius: 8px; opacity: 0; pointer-events: none; transition: opacity .2s; max-width: 90vw; }
#toast.show { opacity: 1; }
#toast.bad { background: var(--bad); color: #fff; }

@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; }
  .side { border-right: 0; border-bottom: 1px solid var(--line); }
  .grid2 { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; }
}

/* ---------- small fixes ---------- */
#root { min-height: 100%; display: flex; flex-direction: column; }
.app { flex: 1; }
.badge { white-space: nowrap; }
.qrwrap > div { flex: 1 1 260px; }

/* ---------- admin dashboard additions ---------- */
select { display: block; width: 100%; margin-top: .3rem; font: inherit; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: .5rem .65rem; }
input[type=date] { display: block; width: 100%; margin-top: .3rem; font: inherit; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: .45rem .65rem; }
#q { margin: 0; }
.navitem { border-color: var(--line); }
.chips { display: flex; flex-wrap: wrap; gap: .3rem; }
.chipbtn { font-size: .8rem; padding: .15rem .55rem; border-radius: 99px; color: var(--muted); }
.chipbtn b { font-weight: 600; color: var(--ink); }
.chipbtn.on { background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); color: var(--ink); }
.v-ok { color: var(--accent); } .v-warn { color: var(--warn); font-weight: 600; } .v-bad { color: var(--bad); font-weight: 600; } .v-off { color: var(--muted); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .75rem; margin-bottom: 1.25rem; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: .85rem 1rem; }
.stat .num { font-size: 1.7rem; font-weight: 650; line-height: 1.1; }
.stat .lbl { color: var(--muted); font-size: .85rem; margin-top: .2rem; }
.stat.ok .num { color: var(--accent); } .stat.warn .num { color: var(--warn); } .stat.bad .num { color: var(--bad); }
.panel.wide { max-width: none; }
.plink { color: var(--ink); text-decoration: none; } .plink:hover { text-decoration: underline; }
.acts { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.acts .when { color: var(--muted); font-size: .85rem; margin-right: .4rem; white-space: nowrap; }
.valbig { border-radius: 10px; padding: .8rem 1rem; margin-bottom: .75rem; background: var(--off-soft); }
.valbig .big { font-size: 1.5rem; font-weight: 650; }
.valbig.ok { background: var(--accent-soft); } .valbig.ok .big { color: var(--accent); }
.valbig.warn { background: var(--warn-soft); } .valbig.warn .big { color: var(--warn); }
.valbig.bad { background: var(--bad-soft); } .valbig.bad .big { color: var(--bad); }