:root {
  --bg: #f6f5f2;
  --surface: #ffffff;
  --text: #1c1b19;
  --muted: #6b6860;
  --border: #e4e1da;
  --accent: #2a6df4;
  --accent-text: #ffffff;
  --ok: #1f8a4c;
  --warn: #b26a00;
  --danger: #c0392b;
  --code-bg: #f0eee9;
  --radius: 12px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141413;
    --surface: #1d1d1b;
    --text: #ecebe7;
    --muted: #9c998f;
    --border: #2f2e2b;
    --accent: #5b8ef7;
    --accent-text: #0b0b0a;
    --ok: #4cc283;
    --warn: #e6a23c;
    --danger: #ef6b5b;
    --code-bg: #262624;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
a { color: var(--accent); }
h1 { font-size: 1.6rem; line-height: 1.25; margin: 0 0 12px; }
h2 { font-size: 1.2rem; margin: 0 0 12px; }
h3 { font-size: 1rem; margin: 20px 0 6px; }
p { margin: 0 0 12px; }
code, pre { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .9em; }
code { background: var(--code-bg); padding: 1px 5px; border-radius: 5px; }
pre { background: var(--code-bg); padding: 12px 14px; border-radius: 8px; overflow-x: auto; margin: 0 0 12px; }
pre code { background: none; padding: 0; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.center { text-align: center; }

.hero { padding: 24px 0 8px; }
.hero h1 { font-size: clamp(1.8rem, 5vw, 2.6rem); letter-spacing: -0.01em; }
.eyebrow { color: var(--muted); text-transform: uppercase; letter-spacing: .08em; font-size: .78rem; margin-bottom: 8px; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 40em; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin: 20px 0;
}
.narrow { max-width: 480px; margin: 48px auto; }
.ticks { padding-left: 1.2em; margin: 0 0 12px; }
.ticks li { margin-bottom: 6px; }
.steps { padding-left: 1.3em; }
.steps li { margin-bottom: 6px; }
.examples { display: flex; flex-wrap: wrap; gap: 8px; }
.bubble { background: var(--code-bg); border-radius: 16px 16px 16px 4px; padding: 8px 14px; }
.copyrow { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.copyrow code { font-size: 1rem; padding: 8px 10px; word-break: break-all; }
.foot { text-align: center; color: var(--muted); font-size: .875rem; margin-top: 32px; }

button {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 8px;
  padding: 7px 14px;
}
button:hover { border-color: var(--muted); }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
button.danger { color: var(--danger); }
button.link { border: 0; background: none; padding: 0; color: var(--accent); text-decoration: underline; }
form.inline { display: inline; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0 12px; }
.widget { min-height: 48px; margin: 20px 0; }
textarea, input, select {
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 10px;
  max-width: 100%;
}
textarea { width: 100%; resize: vertical; display: block; margin: 6px 0 8px; }
.stack { margin: 16px 0; }
.stack label { display: block; color: var(--muted); font-size: .9rem; }
.dev { margin-top: 24px; padding-top: 16px; border-top: 1px dashed var(--border); display: grid; gap: 6px; }

.client { font-size: 1.15rem; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.badge { font-size: .75rem; border-radius: 999px; padding: 2px 8px; border: 1px solid currentColor; }
.badge.ok { color: var(--ok); }
.badge.warn { color: var(--warn); }

/* admin */
.topbar {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px;
  padding: 12px 16px; border-bottom: 1px solid var(--border); background: var(--surface);
}
.topbar .brand { font-weight: 600; color: var(--text); text-decoration: none; }
.topbar nav { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.toolbar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.toolbar h1 { margin: 0; }
.tasks { list-style: none; padding: 0; margin: 0; }
.task { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; margin: 10px 0; }
.task-head { display: flex; flex-direction: column; gap: 2px; }
.task .title { font-weight: 600; color: var(--text); text-decoration: none; }
.task .title:hover { text-decoration: underline; }
.meta { color: var(--muted); font-size: .85rem; }
.details { white-space: pre-wrap; overflow-wrap: anywhere; margin: 8px 0; }
.details.clamp { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; color: var(--muted); }
.details.full { background: var(--bg); border-radius: 8px; padding: 12px 14px; }
details.complete summary { cursor: pointer; color: var(--ok); font-weight: 500; margin-top: 6px; }
.done-line { color: var(--ok); margin: 8px 0 4px; }
.done-line .comment { color: var(--text); }
.status { text-transform: uppercase; letter-spacing: .05em; font-size: .75rem; font-weight: 600; }
.status.pending { color: var(--warn); }
.status.done { color: var(--ok); }
.scroll { overflow-x: auto; }
table.users { border-collapse: collapse; width: 100%; font-size: .9rem; background: var(--surface); }
table.users th, table.users td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.avatar { width: 22px; height: 22px; border-radius: 50%; vertical-align: middle; margin-right: 6px; }