:root {
  --bg: #f4f5f2; --surface: #fff; --text: #1b2420; --muted: #5b6760; --border: #d9e0da;
  --accent: #2c6a4c; --accent-strong: #1f5139; --warn-bg: #fff4e0; --warn: #b8862f; --err-bg: #fde8e8; --err: #b42318;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1512; --surface: #161e1a; --text: #e4ebe7; --muted: #9aaaa2; --border: #27332d;
    --accent: #72c497; --accent-strong: #9adbb6; --warn-bg: #2b2414; --err-bg: #351717; --err: #f97066; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
.bar { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; justify-content: space-between; padding: 12px 20px; background: var(--surface); border-bottom: 1px solid var(--border); }
.top-nav { display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: center; }
.top-nav form { margin: 0; }
main { width: min(1100px, 100% - 32px); margin: 24px auto 64px; }
h1 { font-size: 1.6rem; margin: 0 0 16px; }
h2 { font-size: 1.15rem; margin: 0 0 10px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 20px; margin-bottom: 20px; }
.narrow { max-width: 560px; }
label { display: block; margin-bottom: 14px; font-weight: 600; font-size: .92rem; }
input, select, textarea { display: block; width: 100%; margin-top: 4px; padding: 9px 11px; font: inherit; font-weight: 400; color: var(--text);
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px; }
textarea { font: 14px/1.5 ui-monospace, Consolas, monospace; }
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 1px; }
.row { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.checks { margin-bottom: 10px; }
label.check { display: flex; gap: 8px; align-items: center; font-weight: 400; }
label.check input { width: auto; margin: 0; }
button, .btn { display: inline-block; padding: 9px 18px; font: inherit; font-weight: 600; color: #fff; background: var(--accent); border: 0; border-radius: 8px; cursor: pointer; text-decoration: none; }
button:hover, .btn:hover { background: var(--accent-strong); color: #fff; }
@media (prefers-color-scheme: dark) { button, .btn, button:hover, .btn:hover { color: #0f1512; } }
button.small { padding: 5px 12px; font-size: .88rem; }
button.link { background: none; color: var(--accent); padding: 0; font-weight: 400; text-decoration: underline; }
form.inline { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 0; }
form.inline input { flex: 1; min-width: 200px; margin: 0; }
table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
th, td { padding: 8px 12px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; font-size: .94rem; }
th { color: var(--muted); font-weight: 600; }
.muted { color: var(--muted); }
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: .78rem; background: #e2efe7; color: #1f5139; }
.badge.draft { background: var(--warn-bg); color: var(--warn); }
.flash { padding: 10px 14px; border-radius: 8px; background: #e2efe7; color: #1f5139; }
.flash.error { background: var(--err-bg); color: var(--err); }
.note { padding: 10px 14px; border-radius: 8px; background: var(--bg); border: 1px solid var(--border); }
.note.warn { background: var(--warn-bg); border-color: var(--warn); }
.secret { font: 1.25rem/1.4 ui-monospace, Consolas, monospace; letter-spacing: .08em; background: var(--bg); padding: 10px 14px; border-radius: 8px; word-break: break-all; }
.codes { columns: 2; font-size: 1.1rem; }
.steps li { margin-bottom: 10px; }
.images { list-style: none; padding: 0; display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.images li { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 10px; font-size: .82rem; }
.images img { width: 100%; height: 150px; object-fit: cover; border-radius: 6px; display: block; margin-bottom: 6px; }
.images code { display: block; word-break: break-all; margin-top: 4px; }
.snippet { color: var(--muted); }
fieldset { border: 1px solid var(--border); border-radius: 8px; margin: 0 0 14px; padding: 10px 14px 0; }
.actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.qr { margin: 12px 0; }
.qr svg { display: block; width: min(240px, 70vw); height: auto; border-radius: 8px; border: 1px solid var(--border); }
details { margin: 8px 0 12px; }
summary { cursor: pointer; color: var(--accent); }