/* EspSWD server web UI. Light by default, dark via prefers-color-scheme. No external assets. */
:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #1b1f24;
  --muted: #5f6b7a;
  --line: #dde2e8;
  --accent: #1f6f5c;
  --accent-text: #ffffff;
  --accent-soft: #e3f1ec;
  --danger: #b42318;
  --danger-soft: #fdecea;
  --warn: #9a6700;
  --warn-soft: #fff4d6;
  --ok: #1a7f37;
  --term-bg: #0f1419;
  --term-text: #d7dde3;
  --term-esp: #7fb7ff;
  --term-note: #f0c674;
  --radius: 10px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --panel: #171b21;
    --text: #e6e9ee;
    --muted: #97a3b2;
    --line: #2a313a;
    --accent: #3fb897;
    --accent-text: #08130f;
    --accent-soft: #15302a;
    --danger: #ff7b72;
    --danger-soft: #3a1d1c;
    --warn: #e3b341;
    --warn-soft: #33290f;
    --ok: #56d364;
    --term-bg: #0a0d10;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.45 var(--sans); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.35rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0 0 .75rem; }
h3 { font-size: .95rem; margin: 1rem 0 .5rem; }
code, .mono { font-family: var(--mono); font-size: .9em; }
.muted { color: var(--muted); }
.pad { padding: 1rem; }
.small { font-size: .85rem; }
[hidden] { display: none !important; }

/* top bar */
.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  padding: .6rem 1rem; background: var(--panel); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: .5rem; font-weight: 650; color: var(--text); }
.brand:hover { text-decoration: none; }
#nav { display: flex; align-items: center; gap: .25rem; flex-wrap: wrap; margin-left: auto; }
#nav a { padding: .35rem .6rem; border-radius: 8px; color: var(--muted); }
#nav a.active, #nav a:hover { background: var(--accent-soft); color: var(--text); text-decoration: none; }

main { max-width: 1180px; margin: 0 auto; padding: 1rem; }
.pagehead { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; margin: .25rem 0 1rem; }
.pagehead .spacer { flex: 1; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem;
  margin-bottom: 1rem; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(330px, 1fr)); gap: 1rem; }
.grid2 > .card { margin-bottom: 0; }
.stack > * + * { margin-top: .75rem; }

/* key/value lists */
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: .3rem 1rem; margin: 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; overflow-wrap: anywhere; }

/* controls */
.row { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }
.row > .grow { flex: 1 1 12rem; min-width: 0; }
label.field { display: flex; flex-direction: column; gap: .25rem; font-size: .85rem; color: var(--muted); }
label.check { display: inline-flex; align-items: center; gap: .35rem; }
input, select, textarea { font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line);
  border-radius: 8px; padding: .45rem .6rem; min-width: 0; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; }
textarea { width: 100%; min-height: 4.5rem; resize: vertical; }
.btn { font: inherit; cursor: pointer; border: 1px solid var(--line); background: var(--panel); color: var(--text);
  padding: .42rem .8rem; border-radius: 8px; white-space: nowrap; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.btn.danger { color: var(--danger); }
.btn.danger:hover { border-color: var(--danger); }
.btn.small { padding: .2rem .5rem; font-size: .85rem; }
.btn:disabled { opacity: .5; cursor: default; }
.linkbtn { font: inherit; background: none; border: 0; color: var(--muted); cursor: pointer; padding: .35rem .6rem; }
.linkbtn:hover { color: var(--text); }

/* badges */
.badge { display: inline-flex; align-items: center; gap: .3rem; font-size: .8rem; padding: .1rem .5rem;
  border-radius: 999px; border: 1px solid var(--line); color: var(--muted); white-space: nowrap; }
.badge::before { content: ""; width: .5rem; height: .5rem; border-radius: 50%; background: var(--muted); }
.badge.on { color: var(--ok); border-color: currentColor; }
.badge.on::before { background: var(--ok); }
.badge.warn { color: var(--warn); border-color: currentColor; }
.badge.warn::before { background: var(--warn); }
.badge.bad { color: var(--danger); border-color: currentColor; }
.badge.bad::before { background: var(--danger); }
.badge.plain::before { display: none; }

/* tables */
.tablewrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { border-collapse: collapse; width: 100%; font-size: .9rem; }
th, td { text-align: left; padding: .45rem .55rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; white-space: nowrap; }
tr.dim td { color: var(--muted); }
td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }

/* notes */
.note { padding: .55rem .75rem; border-radius: 8px; background: var(--accent-soft); }
.note.warn { background: var(--warn-soft); }
.note.bad { background: var(--danger-soft); }

/* networks editor */
.netlist { list-style: none; margin: 0; padding: 0; }
.netlist li { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; padding: .35rem 0;
  border-bottom: 1px dashed var(--line); }
.netlist li .ssid { flex: 1 1 8rem; font-weight: 600; overflow-wrap: anywhere; }
.netlist li.gone .ssid { text-decoration: line-through; color: var(--muted); }

/* monitor */
.term { background: var(--term-bg); color: var(--term-text); font: 13px/1.35 var(--mono); border-radius: 8px;
  padding: .6rem .7rem; height: 22rem; overflow-y: auto; white-space: pre-wrap; overflow-wrap: anywhere; margin: 0; }
.term .esp { color: var(--term-esp); }
.term .note { color: var(--term-note); background: none; padding: 0; }
.monstatus { font-size: .9rem; }

/* toast + dialog */
#toast { position: fixed; left: 50%; bottom: 1rem; transform: translateX(-50%); max-width: calc(100% - 2rem);
  background: var(--text); color: var(--bg); padding: .55rem .9rem; border-radius: 8px; opacity: 0;
  pointer-events: none; transition: opacity .2s; z-index: 20; }
#toast.show { opacity: .95; }
#toast.bad { background: var(--danger); color: #fff; }
dialog { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); color: var(--text);
  padding: 0; width: min(640px, calc(100% - 2rem)); }
dialog::backdrop { background: rgba(0, 0, 0, .45); }
.dlg { padding: 1rem; }
.secret { font-family: var(--mono); font-size: .85rem; background: var(--bg); border: 1px solid var(--line);
  border-radius: 8px; padding: .6rem; white-space: pre-wrap; overflow-wrap: anywhere; max-height: 18rem;
  overflow-y: auto; margin: .5rem 0; }

/* login */
.login { max-width: 360px; margin: 12vh auto 0; }

@media (max-width: 640px) {
  main { padding: .6rem; }
  .card { padding: .8rem; }
  .term { height: 16rem; }
  dl.kv { grid-template-columns: 1fr; gap: 0; }
  dl.kv dd { margin-bottom: .4rem; }
  .hide-sm { display: none; }
}