:root {
  --bg: #f6f3fa; --panel: #ffffff; --panel-2: #f1ecf7; --text: #2b2533; --muted: #6f6779; --line: #e3dcec;
  --accent: #8c6fb0; --accent-2: #657eb7; --ok: #2f8a5b; --ok-bg: #e5f5ec; --warn: #a0670a; --warn-bg: #fff2d9;
  --bad: #b8434f; --bad-bg: #fde8ea; --unk: #7c7787; --unk-bg: #eeecf1; --shadow: 0 1px 2px rgba(60, 40, 90, .06), 0 4px 16px rgba(60, 40, 90, .06);
  --radius: 14px; --mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #17141c; --panel: #211d28; --panel-2: #2a2533; --text: #ece7f3; --muted: #a59db1; --line: #383141;
    --accent: #b49ad6; --accent-2: #8fa6dc; --ok: #6fcf98; --ok-bg: #1d3328; --warn: #f0b85a; --warn-bg: #3a2e17;
    --bad: #f08a95; --bad-bg: #3d2226; --unk: #a39dad; --unk-bg: #2c2833; --shadow: none; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #17141c; --panel: #211d28; --panel-2: #2a2533; --text: #ece7f3; --muted: #a59db1; --line: #383141;
  --accent: #b49ad6; --accent-2: #8fa6dc; --ok: #6fcf98; --ok-bg: #1d3328; --warn: #f0b85a; --warn-bg: #3a2e17;
  --bad: #f08a95; --bad-bg: #3d2226; --unk: #a39dad; --unk-bg: #2c2833; --shadow: none; color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font: 15px/1.55 system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif; -webkit-text-size-adjust: 100%; }
a { color: var(--accent-2); }
button, input, select { font: inherit; color: inherit; }
.muted { color: var(--muted); } .center { text-align: center; } .mono { font-family: var(--mono); font-size: .9em; word-break: break-all; }
.small { font-size: .85em; }

.top { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: color-mix(in srgb, var(--panel) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 8px; color: var(--text); text-decoration: none; white-space: nowrap; font-size: 16px; }
.brand b { color: var(--accent); }
.nav { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; flex: 1; min-width: 0; }
.nav::-webkit-scrollbar { display: none; }
.nav a { padding: 6px 12px; border-radius: 999px; color: var(--muted); text-decoration: none; white-space: nowrap; }
.nav a.active { background: var(--panel-2); color: var(--accent); font-weight: 600; }
.top-actions { display: flex; gap: 6px; margin-left: auto; }
.ghost { background: transparent; border: 1px solid var(--line); border-radius: 10px; padding: 5px 10px; cursor: pointer; }
.ghost:hover { background: var(--panel-2); }
@media (max-width: 760px) {
  .top { flex-wrap: wrap; padding: 8px 16px 0; }
  .nav { order: 3; flex-basis: 100%; padding-bottom: 8px; }
}

.main { max-width: 1180px; margin: 0 auto; padding: 18px 16px 48px; }
h1 { font-size: 22px; margin: 4px 0 4px; } h2 { font-size: 17px; margin: 0 0 10px; } h3 { font-size: 15px; margin: 0 0 6px; }
.page-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 16px; margin-bottom: 14px; }
.page-head .muted { font-size: 13px; }
.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.grid.wide { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); min-width: 0; }
.card + .card, .section { margin-top: 12px; }
.stat .label { color: var(--muted); font-size: 13px; }
.stat .value { font-size: 22px; font-weight: 650; margin: 2px 0; overflow-wrap: anywhere; }
.stat .sub { color: var(--muted); font-size: 12.5px; overflow-wrap: anywhere; }
.row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.spacer { flex: 1; }

.pill { display: inline-flex; align-items: center; gap: 5px; padding: 1px 9px; border-radius: 999px; font-size: 12.5px; font-weight: 600; white-space: nowrap; }
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.ok { color: var(--ok); background: var(--ok-bg); } .warn { color: var(--warn); background: var(--warn-bg); }
.bad { color: var(--bad); background: var(--bad-bg); } .unk { color: var(--unk); background: var(--unk-bg); }
.text-ok { color: var(--ok); } .text-bad { color: var(--bad); } .text-warn { color: var(--warn); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12.5px; white-space: nowrap; }
.table-wrap { overflow-x: auto; margin: 0 -4px; }
@media (max-width: 640px) {
  table.stack thead { display: none; }
  table.stack tr { display: block; border-bottom: 1px solid var(--line); padding: 8px 0; }
  table.stack td { display: flex; gap: 10px; border: 0; padding: 3px 4px; }
  table.stack td::before { content: attr(data-label); color: var(--muted); font-size: 12.5px; min-width: 76px; flex-shrink: 0; }
}

.btn { border: 1px solid var(--line); background: var(--panel); border-radius: 10px; padding: 6px 12px; cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--panel-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { color: var(--bad); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.sm { padding: 3px 9px; font-size: 13px; border-radius: 8px; }
input[type=text], input[type=password], input[type=search], select { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 7px 10px; min-width: 0; max-width: 100%; }
input:focus-visible, select:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.seg button { border: 0; background: transparent; padding: 4px 10px; cursor: pointer; font-size: 13px; }
.seg button + button { border-left: 1px solid var(--line); }
.seg button.on-ok { background: var(--ok-bg); color: var(--ok); font-weight: 650; }
.seg button.on-bad { background: var(--bad-bg); color: var(--bad); font-weight: 650; }
.seg button.on-unk { background: var(--panel-2); color: var(--text); font-weight: 650; }
.seg button:disabled { cursor: wait; opacity: .6; }

.feature { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 6px 12px; padding: 10px 0; border-bottom: 1px solid var(--line); align-items: center; }
.feature:last-child { border-bottom: 0; }
.feature .name { font-weight: 600; }
.feature .desc { color: var(--muted); font-size: 13px; }
.feature .note { color: var(--warn); font-size: 12.5px; }
@media (max-width: 560px) { .feature { grid-template-columns: 1fr; } }

.chart { width: 100%; height: 120px; display: block; }
.chart .grid-line { stroke: var(--line); stroke-width: 1; }
.chart .area { fill: color-mix(in srgb, var(--accent) 18%, transparent); }
.chart .line { fill: none; stroke: var(--accent); stroke-width: 1.6; }
.chart .bar { fill: var(--accent-2); }
.chart .bar.err { fill: var(--bad); }
.chart text { fill: var(--muted); font-size: 10px; }
.legend { display: flex; gap: 12px; font-size: 12.5px; color: var(--muted); flex-wrap: wrap; }

.alert { border-left: 4px solid var(--unk); padding: 8px 12px; background: var(--panel-2); border-radius: 8px; margin-bottom: 8px; }
.alert.high { border-color: var(--bad); } .alert.medium { border-color: var(--warn); } .alert.low { border-color: var(--accent-2); }
.alert.resolved { opacity: .7; }
.alert .t { font-weight: 600; }

.log { font-family: var(--mono); font-size: 12.5px; white-space: pre-wrap; word-break: break-word; background: var(--panel-2); border-radius: 10px; padding: 10px; max-height: 60vh; overflow: auto; }
.log .e { color: var(--bad); } .log .w { color: var(--warn); } .log .ts { color: var(--muted); }

.login { max-width: 380px; margin: 8vh auto; }
.login form { display: grid; gap: 12px; }
.login label { display: grid; gap: 4px; font-size: 14px; color: var(--muted); }
.login .err { color: var(--bad); min-height: 1.4em; }

.toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 12px; max-width: calc(100vw - 32px); z-index: 20; box-shadow: 0 6px 24px rgba(0,0,0,.2); }
.toast.bad { background: var(--bad); color: #fff; }
details summary { cursor: pointer; color: var(--accent-2); }
.kv { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 4px 14px; font-size: 14px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; overflow-wrap: anywhere; }
.help-lines { white-space: pre-wrap; font-size: 13.5px; background: var(--panel-2); border-radius: 10px; padding: 10px 12px; margin: 6px 0 0; overflow-wrap: anywhere; }
details.card > summary h2 { display: inline; }
details.card > summary { list-style-position: inside; }
@media (max-width: 640px) {
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .grid.wide { grid-template-columns: minmax(0, 1fr); }
  .card { padding: 12px; }
  .stat .value { font-size: 19px; }
  #sub-form > * { flex: 1 1 100%; }
  #sub-form select[name=platform] { flex: 0 0 auto; }
  #sub-form input { flex: 1 1 140px; }
}
.grid > .card { margin-top: 0; }