:root {
  --bg: #0e1116;
  --panel: #171b22;
  --panel-2: #1f242d;
  --line: #2b323d;
  --text: #e8ebf0;
  --muted: #8c96a5;
  --accent: #3b82f6;
  --accent-text: #fff;
  --ok: #34c77b;
  --warn: #e6a23c;
  --bad: #ef5b5b;
  --radius: 10px;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f3f5f8; --panel: #fff; --panel-2: #f0f2f6; --line: #dde2ea;
    --text: #17202c; --muted: #647084; --accent: #2563eb;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
h1, h2, h3 { margin: 0; font-weight: 600; }
h2 { font-size: 18px; }
h3 { font-size: 15px; }
p { margin: 0; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.mono { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12.5px; }
.grow { flex: 1; min-width: 0; }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.hidden { display: none !important; }

header.top {
  position: sticky; top: 0; z-index: 5;
  background: var(--panel); border-bottom: 1px solid var(--line);
  padding: 10px 16px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
header.top h1 { font-size: 16px; margin-right: 6px; }
nav { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
nav button {
  background: none; border: 0; color: var(--muted); padding: 7px 12px; border-radius: 8px;
  font: inherit; cursor: pointer;
}
nav button:hover { color: var(--text); background: var(--panel-2); }
nav button.on { color: var(--text); background: var(--panel-2); font-weight: 600; }
main { max-width: 1040px; margin: 0 auto; padding: 20px 16px 60px; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.card > h3 { margin-bottom: 10px; }
.notice { border-left: 3px solid var(--warn); }

button, .btn {
  font: inherit; cursor: pointer; border-radius: 8px; padding: 7px 13px;
  border: 1px solid var(--line); background: var(--panel-2); color: var(--text);
}
button:hover { filter: brightness(1.12); }
button:disabled { opacity: .5; cursor: default; filter: none; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
button.danger { color: var(--bad); }
button.link { background: none; border: 0; color: var(--accent); padding: 0; }
button:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

input[type=text], input[type=password], input[type=url], input[type=search], select {
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; min-width: 0;
}
label.field { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
label.check { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }

.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.device { cursor: pointer; text-align: left; width: 100%; display: flex; flex-direction: column; gap: 6px; padding: 14px; }
.device:hover { border-color: var(--accent); filter: none; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); flex: none; }
.dot.on { background: var(--ok); }

.list { display: flex; flex-direction: column; }
.item { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-top: 1px solid var(--line); flex-wrap: wrap; }
.item:first-child { border-top: 0; }
.item .name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item .sub { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.icon {
  width: 40px; height: 40px; border-radius: 9px; flex: none; object-fit: contain;
  background: var(--panel-2); display: grid; place-items: center; font-weight: 700; color: var(--muted);
}

.tag { font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--panel-2); color: var(--muted); white-space: nowrap; }
.tag.ok { color: var(--ok); }
.tag.warn { color: var(--warn); }
.tag.bad { color: var(--bad); }
.tag.run { color: var(--accent); }

.drop {
  border: 2px dashed var(--line); border-radius: var(--radius); padding: 22px; text-align: center;
  color: var(--muted); cursor: pointer;
}
.drop.over { border-color: var(--accent); color: var(--text); }
progress { width: 100%; height: 8px; }

.login { max-width: 340px; margin: 12vh auto 0; }
.steps { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 10px; }
.bigurl { font-size: 20px; font-weight: 700; letter-spacing: .3px; word-break: break-all; }
code { background: var(--panel-2); padding: 2px 6px; border-radius: 5px; font-size: 13px; word-break: break-all; }

dialog {
  background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; width: min(440px, calc(100vw - 32px));
}
dialog::backdrop { background: rgba(0, 0, 0, .55); }

#toast {
  position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%);
  background: var(--text); color: var(--bg); padding: 9px 16px; border-radius: 8px;
  opacity: 0; pointer-events: none; transition: opacity .2s; max-width: calc(100vw - 32px); z-index: 20;
}
#toast.show { opacity: 1; }
#toast.err { background: var(--bad); color: #fff; }