:root {
  color-scheme: light dark;
  --text: #1c1c1e; --muted: #6e6e73; --bg: #f2f2f7; --card: #ffffff; --line: #e5e5ea;
  --accent: #4b4fd8; --today: #4b4fd8;
}
@media (prefers-color-scheme: dark) {
  :root { --text: #f2f2f7; --muted: #98989d; --bg: #000000; --card: #1c1c1e; --line: #38383a;
          --accent: #7b7fff; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
       font: 17px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
       -webkit-text-size-adjust: 100%; }
a { color: var(--accent); }
main, .top, footer { max-width: 760px; margin: 0 auto; padding: 0 16px; }
.top { padding-top: 16px; font-size: 15px; color: var(--muted); }
.top a { color: var(--muted); text-decoration: none; }
h1 { font-size: 34px; line-height: 1.15; margin: 32px 0 12px; }
h2 { font-size: 24px; margin: 40px 0 12px; }
h3 { font-size: 18px; margin: 24px 0 6px; }
p, ul { margin: 0 0 14px; }
li { margin-bottom: 6px; }
.lead { font-size: 19px; color: var(--muted); }
.card { background: var(--card); border-radius: 16px; padding: 20px; margin: 16px 0; }
.badge { display: inline-block; }
.badge img { display: block; height: 50px; width: auto; }
.link-card { display: block; text-decoration: none; color: var(--text); }
.link-card strong { display: block; color: var(--accent); }
.note { font-size: 15px; color: var(--muted); }
.app { display: flex; gap: 16px; align-items: center; text-decoration: none; color: inherit; }
.app img { width: 64px; height: 64px; border-radius: 14px; }
.hero { display: flex; gap: 16px; align-items: center; margin-top: 32px; }
.hero img { width: 72px; height: 72px; border-radius: 16px; }
.hero h1 { margin: 0; }
.screens { display: flex; gap: 12px; overflow-x: auto; margin: 24px 0; padding-bottom: 8px; }
.screens img { width: 200px; flex: none; border-radius: 16px; }
/* FAQ: questions collapsed, answers stay in the HTML for search and AI */
.faq details { background: var(--card); border-radius: 14px; margin: 8px 0; }
.faq summary { padding: 14px 44px 14px 16px; font-weight: 600; cursor: pointer; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 16px; top: 12px; font-size: 22px; font-weight: 400;
                      color: var(--muted); }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 16px 14px; margin: 0; color: var(--muted); }
footer { padding-top: 24px; padding-bottom: 40px; font-size: 14px; color: var(--muted); }
footer p { margin: 0 0 6px; }

/* Calendar generator */
.gen label { display: block; font-size: 15px; color: var(--muted); margin: 12px 0 4px; }
.gen select, .gen input { font: inherit; padding: 8px 10px; border-radius: 10px; border: 1px solid var(--line);
                          background: var(--card); color: var(--text); max-width: 100%; }
.gen .row { display: flex; gap: 12px; flex-wrap: wrap; align-items: end; }
.gen .blocks .block { display: flex; gap: 8px; margin-bottom: 8px; align-items: center; }
.gen .blocks input { width: 72px; }
.gen .small { font: inherit; font-size: 15px; background: none; border: none; color: var(--accent);
              padding: 4px 0; cursor: pointer; }
.gen .actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 16px; }
.gen .actions button { font: inherit; font-weight: 600; padding: 12px 18px; border-radius: 12px; border: none;
                       background: var(--accent); color: #fff; cursor: pointer; }
.gen .actions button.plain { background: var(--card); color: var(--accent); border: 1px solid var(--line); }
.months { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; margin-top: 16px; }
.month { background: var(--card); border-radius: 14px; padding: 12px; }
.month h4 { margin: 0 0 8px; font-size: 16px; }
.month table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.month th { font-size: 11px; font-weight: 500; color: var(--muted); padding-bottom: 4px; }
.month td { text-align: center; vertical-align: top; height: 40px; padding: 1px; font-size: 13px; cursor: pointer; }
.month td.empty { cursor: default; }
.month td .n { display: block; line-height: 18px; }
.month td.today .n { background: var(--accent); color: #fff; border-radius: 9px; width: 22px; margin: 0 auto; }
.chip { display: block; font-size: 10px; font-weight: 700; line-height: 16px; border-radius: 4px; color: #fff;
        margin: 1px 2px 0; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 12px; font-size: 14px; color: var(--muted); }
.legend .chip { display: inline-block; padding: 0 5px; margin: 0 6px 0 0; }
.hint { font-size: 15px; color: var(--muted); margin-top: 12px; }
.print-only { display: none; }

@media print {
  .top, footer, main:has(.gen) > :not(.gen), .gen .controls, .gen .actions, .gen .hint { display: none !important; }
  .print-only { display: block; }
  body { background: #fff; color: #000; }
  .month { border: 1px solid #ccc; break-inside: avoid; }
  .months { grid-template-columns: repeat(3, 1fr); }
}