:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --ink: #16181d;
  --muted: #646b78;
  --line: #e3e6eb;
  --accent: #5b4bdb;
  --accent-ink: #ffffff;
  --admob: #1a73e8;
  --nuviad: #7a3cf0;
  --warn-bg: #fff6e0;
  --warn-ink: #7a5300;
  --err: #c62828;
  --ok: #1e7d3a;
  --radius: 12px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111317; --panel: #1a1d23; --ink: #e9ebef; --muted: #9aa1ad; --line: #2b3038;
    --accent: #8b7cff; --admob: #5ea1ff; --nuviad: #a77bff; --warn-bg: #3a2f12; --warn-ink: #f3d07a;
    --err: #ff6b6b; --ok: #5fd07f; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #111317; --panel: #1a1d23; --ink: #e9ebef; --muted: #9aa1ad; --line: #2b3038;
  --accent: #8b7cff; --admob: #5ea1ff; --nuviad: #a77bff; --warn-bg: #3a2f12; --warn-ink: #f3d07a;
  --err: #ff6b6b; --ok: #5fd07f; color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
[hidden] { display: none !important; }
h1 { font-size: 24px; margin: 0 0 4px; }
h2 { font-size: 18px; margin: 0; }
.muted, .sub { color: var(--muted); }
.sub { margin: 0; max-width: 70ch; }
button { font: inherit; cursor: pointer; border-radius: 8px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); padding: 8px 14px; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
button.ghost { background: transparent; }
button.link { border: 0; background: none; color: var(--accent); padding: 0; }
button:disabled { opacity: .5; cursor: default; }
input { font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
.error { color: var(--err); margin: 0; }

.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; }
.logo { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; background: var(--accent); color: var(--accent-ink); }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: min(360px, 100%); background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: grid; gap: 16px; }
.login-card label { display: grid; gap: 6px; font-weight: 500; }

.shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.sidebar { background: var(--panel); border-right: 1px solid var(--line); padding: 20px 14px; display: flex; flex-direction: column; gap: 24px; position: sticky; top: 0; height: 100vh; }
.sidebar nav { display: grid; gap: 4px; }
.nav-item { display: flex; justify-content: space-between; padding: 9px 12px; border-radius: 8px; color: var(--ink); text-decoration: none; }
.nav-item.active { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); font-weight: 600; }
.nav-item.disabled { color: var(--muted); }
.nav-item small { font-size: 11px; border: 1px solid var(--line); border-radius: 99px; padding: 0 6px; }
.sidebar-foot { margin-top: auto; display: grid; gap: 6px; color: var(--muted); font-size: 13px; }
.content { padding: 28px 32px 60px; min-width: 0; }
.page-head { margin-bottom: 22px; }

.apps { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(420px, 1fr)); align-items: start; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); display: grid; }
.card-head { padding: 18px 20px 12px; display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.chip { font-size: 12px; color: var(--muted); border: 1px solid var(--line); border-radius: 99px; padding: 1px 8px; }
.target { font-size: 12px; color: var(--muted); margin-top: 6px; }
.card-body { padding: 4px 20px 16px; display: grid; gap: 16px; }
.card-foot { border-top: 1px solid var(--line); padding: 12px 20px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.card-foot .status { flex: 1; font-size: 13px; color: var(--muted); min-width: 160px; }
.status.dirty { color: var(--accent); font-weight: 600; }
.status.ok { color: var(--ok); }
.status.err { color: var(--err); }

.switch { display: flex; align-items: center; gap: 10px; font-weight: 600; cursor: pointer; user-select: none; }
.switch input { appearance: none; width: 42px; height: 24px; border-radius: 99px; background: var(--line); position: relative; border: 0; padding: 0; cursor: pointer; transition: background .15s; }
.switch input::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; transition: left .15s; }
.switch input:checked { background: var(--nuviad); }
.switch input:checked::after { left: 21px; }

.format { display: grid; gap: 8px; }
.format.off { opacity: .45; }
.format-top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.format-name { font-weight: 600; text-transform: capitalize; }
.split-label { font-size: 13px; font-variant-numeric: tabular-nums; }
.split-label .a { color: var(--admob); font-weight: 600; }
.split-label .n { color: var(--nuviad); font-weight: 600; }
.bar { height: 10px; border-radius: 99px; overflow: hidden; display: flex; background: var(--line); }
.bar .a { background: var(--admob); }
.bar .n { background: var(--nuviad); }
.format-ctl { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.format-ctl input[type=range] { flex: 1; min-width: 140px; accent-color: var(--nuviad); padding: 0; border: 0; background: none; }
.format-ctl input[type=number] { width: 72px; }
.presets { display: flex; gap: 6px; }
.presets button { padding: 3px 9px; font-size: 12px; }

.extras { display: grid; gap: 10px; border-top: 1px dashed var(--line); padding-top: 12px; }
.extra { display: grid; gap: 4px; }
.extra label { font-weight: 500; font-size: 14px; }
.extra .help { font-size: 12px; color: var(--muted); }
.extra.bool { grid-template-columns: auto 1fr; align-items: center; column-gap: 10px; }
.extra.bool .help { grid-column: 2; }

.notes { margin: 0; padding-left: 18px; font-size: 12.5px; color: var(--muted); display: grid; gap: 2px; }
.warn { background: var(--warn-bg); color: var(--warn-ink); border-radius: 8px; padding: 8px 12px; font-size: 13px; }
.live { font-size: 12.5px; color: var(--muted); display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.live.diff { color: var(--warn-ink); }

dialog { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); color: var(--ink); padding: 0; width: min(560px, calc(100vw - 32px)); }
dialog::backdrop { background: rgb(0 0 0 / .4); }
.dialog-body { padding: 22px; display: grid; gap: 14px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; }
.diff-table, .hist { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.diff-table td, .hist td { border-bottom: 1px solid var(--line); padding: 6px 4px; vertical-align: top; }
.diff-table td:last-child { font-weight: 600; }
.hist { max-height: 60vh; overflow: auto; display: block; }
.hist .bad { color: var(--err); }

@media (max-width: 760px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; flex-direction: row; align-items: center; flex-wrap: wrap; gap: 12px; padding: 12px 16px; border-right: 0; border-bottom: 1px solid var(--line); }
  .sidebar nav { display: flex; }
  .sidebar-foot { margin: 0 0 0 auto; display: flex; gap: 10px; }
  .content { padding: 20px 16px 48px; }
  .apps { grid-template-columns: 1fr; }
}