:root {
  --bg: #f4f1ea; --card: #fffdf8; --text: #1d2a33; --muted: #5d6b74; --line: #ddd5c6;
  --accent: #0f5c73; --accent-text: #fff; --danger: #a8322a; --ok: #23784a; --warn: #a86b12;
  --flash-ok: #e3f3ea; --flash-error: #f8e1de; --flash-info: #e2eef3;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11181d; --card: #1a242b; --text: #e8edf0; --muted: #9aa8b1; --line: #2c3a43;
    --accent: #3aa6c4; --accent-text: #08151a; --danger: #e0675d; --ok: #5cc98d; --warn: #e5a948;
    --flash-ok: #173526; --flash-error: #3d1d1a; --flash-info: #16303a;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 640px; margin: 0 auto; padding: 12px 16px 48px; }
h1 { font-size: 1.35rem; margin: 0 0 8px; }
h2 { font-size: 1.1rem; margin: 0 0 8px; }
a { color: var(--accent); }
small { display: block; color: var(--muted); font-size: .85rem; font-weight: normal; }
.muted { color: var(--muted); }
code { font: 600 1.05rem ui-monospace, SFMono-Regular, Menlo, monospace; }

.top { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px;
  background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 2; }
.brand { font-weight: 700; font-size: 1.1rem; text-decoration: none; color: var(--text); }
.nav { display: flex; gap: 4px; overflow-x: auto; padding: 8px 12px; background: var(--card);
  border-bottom: 1px solid var(--line); scrollbar-width: none; }
.nav a { flex: none; padding: 10px 12px; border-radius: 8px; text-decoration: none; color: var(--muted); min-height: 44px; }
.nav a.on { background: var(--bg); color: var(--text); font-weight: 600; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin: 12px 0; }
.card.narrow { max-width: 420px; margin: 48px auto; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 8px; }

.pill { display: inline-block; padding: 4px 10px; border-radius: 999px; font-size: .85rem; font-weight: 600;
  text-transform: capitalize; background: var(--line); }
.pill-running { background: var(--ok); color: #fff; }
.pill-starting, .pill-stopping { background: var(--warn); color: #fff; }
.pill-failed { background: var(--danger); color: #fff; }

.flash { padding: 12px 14px; border-radius: 8px; margin: 12px 0; }
.flash-ok { background: var(--flash-ok); }
.flash-error { background: var(--flash-error); }
.flash-info { background: var(--flash-info); }

label { display: block; font-weight: 600; margin: 0 0 6px; }
input, select { width: 100%; font: inherit; padding: 10px 12px; min-height: 44px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--bg); color: var(--text); margin-top: 4px; }
input[type=checkbox] { width: 52px; height: 30px; min-height: 0; margin: 0; flex: none; accent-color: var(--accent); }
input[type=range] { padding: 0; border: 0; background: none; accent-color: var(--accent); }
.field { padding: 12px 0; border-bottom: 1px solid var(--line); }
.field:last-of-type { border-bottom: 0; }
.toggle { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 0; }
.slider { display: grid; grid-template-columns: 1fr 88px; gap: 12px; align-items: center; }
.inline { display: flex; gap: 8px; align-items: center; margin: 8px 0; }
.inline input { margin: 0; }
.inline .btn { flex: none; }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 18px;
  border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--text);
  font: 600 1rem system-ui, sans-serif; text-decoration: none; cursor: pointer; width: 100%; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.danger { color: var(--danger); border-color: var(--danger); background: transparent; }
.btn.small { min-height: 40px; padding: 0 12px; width: auto; font-size: .9rem; }
.btn:disabled { opacity: .45; cursor: default; }
.btn.sticky { position: sticky; bottom: 12px; margin-top: 12px; box-shadow: 0 4px 16px rgba(0,0,0,.2); }
form .btn.primary { margin-top: 8px; }
.grid-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.grid-buttons form { margin: 0; }

.invite { display: flex; align-items: center; gap: 10px; margin: 12px 0 4px; flex-wrap: wrap; }
.invite code { font-size: 1.5rem; letter-spacing: .05em; }

ul.times, ul.backups { list-style: none; margin: 8px 0; padding: 0; }
ul.times li { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--line); }
.time { font: 600 1.3rem ui-monospace, monospace; }
ul.backups li { padding: 12px 0; border-bottom: 1px solid var(--line); }
ul.backups li:last-child, ul.times li:last-child { border-bottom: 0; }
.actions { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.actions form { margin: 0; }
.tag { font-size: .75rem; padding: 2px 8px; border-radius: 999px; background: var(--line); margin-left: 6px; }
.tag-manual { background: var(--accent); color: var(--accent-text); }
small.muted { overflow-wrap: anywhere; }

pre.log { background: #0d1418; color: #cfe3ea; padding: 12px; border-radius: 8px; font-size: .75rem;
  max-height: 70vh; overflow: auto; white-space: pre-wrap; word-break: break-word; margin: 0; }
.mt { margin-top: 10px; }