:root {
  --bg: #f6f7f9; --card: #ffffff; --text: #1d2330; --muted: #6b7385; --line: #e3e6ec;
  --accent: #2563eb; --ok: #15803d; --ok-bg: #dcfce7; --warn: #b45309; --warn-bg: #fef3c7;
  --bad: #b91c1c; --bad-bg: #fee2e2;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b; --card: #1b2029; --text: #e6e9ef; --muted: #98a0b3; --line: #2b3240;
    --accent: #6ea0ff; --ok: #4ade80; --ok-bg: #14321f; --warn: #fbbf24; --warn-bg: #3a2c0c;
    --bad: #f87171; --bad-bg: #3b1515;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 960px; margin: 0 auto; padding: 16px; }
h1 { display: flex; align-items: center; gap: 10px; font-size: 22px; margin: 0; }
h1 img { width: 28px; height: 28px; }
h2 { font-size: 17px; margin: 0; }
header { display: flex; align-items: center; gap: 12px; margin: 8px 0 18px; }
header h1 { margin-right: auto; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 14px; }
.muted { color: var(--muted); }
.error { color: var(--bad); }
button { font: inherit; cursor: pointer; border: 0; border-radius: 8px; padding: 9px 16px; background: var(--accent); color: #fff; }
button:disabled { opacity: .6; cursor: default; }
button.link { background: none; color: var(--accent); padding: 4px 6px; }
button.link.danger { color: var(--bad); }
input { font: inherit; width: 100%; padding: 9px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--text); }
a { color: var(--accent); }

.login { min-height: 100vh; display: grid; place-items: center; }
.login form { width: min(360px, 100%); display: grid; gap: 14px; }
.login label { display: grid; gap: 4px; font-size: 14px; color: var(--muted); }

.device-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.device-head h2 { margin-right: auto; }
.device.revoked { opacity: .6; }

.folder { border-top: 1px solid var(--line); }
.folder-head { width: 100%; text-align: left; background: none; color: var(--text); padding: 12px 0; display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: baseline; border-radius: 0; }
.folder-head .name { font-weight: 600; }
.folder-head .sync { flex-basis: 100%; }
@media (min-width: 720px) { .folder-head .sync { flex-basis: auto; } }

.badge { font-size: 12px; padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.badge.ok { color: var(--ok); background: var(--ok-bg); }
.badge.stale, .badge.never { color: var(--bad); background: var(--bad-bg); }
.badge.partial, .badge.warn { color: var(--warn); background: var(--warn-bg); }
.badge.warn { margin-left: 8px; }

.files { padding-bottom: 12px; }
.files input { margin-bottom: 8px; max-width: 320px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; }
td.path { word-break: break-all; }
tr.missing td { color: var(--muted); }
.log tr.bad td { color: var(--bad); }
.files, .log { overflow-x: auto; }

.pair .code { font: 600 28px/1.2 ui-monospace, Menlo, monospace; letter-spacing: 2px; margin: 8px 0 0; }
.pair .code span { font-size: 14px; letter-spacing: 0; }