:root {
  --bg: #f2f2f7; --surface: #ffffff; --text: #1c1c1e; --muted: #536159;
  --blue: #0a66d8; --cyan: #32ade6; --tile: #e5f4fa; --line: rgba(60, 60, 67, 0.14);
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #000000; --surface: #1c1c1e; --text: #f5f5f7; --muted: #bec7c2;
    --blue: #6cb8ff; --cyan: #5ac8f5; --tile: #23323d; --line: rgba(235, 235, 245, 0.16); }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); line-height: 1.55;
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Helvetica, Arial, sans-serif; }
a { color: var(--blue); }
main { max-width: 760px; margin: 0 auto; padding: 0 20px 64px; }
header.top { max-width: 760px; margin: 0 auto; padding: 20px; display: flex; align-items: center; gap: 12px; }
header.top img { width: 36px; height: 36px; border-radius: 8px; }
header.top a.brand { color: var(--text); text-decoration: none; font-weight: 600; }
header.top nav { margin-left: auto; font-size: 15px; }
h1 { font-size: clamp(34px, 7vw, 52px); line-height: 1.08; letter-spacing: -0.02em; margin: 24px 0 14px; text-wrap: balance; }
h2 { font-size: 24px; letter-spacing: -0.01em; margin: 44px 0 10px; }
p.lead { font-size: 20px; color: var(--muted); max-width: 34em; margin: 0 0 28px; }
.badge { display: inline-block; padding: 9px 16px; border-radius: 999px; background: var(--blue); color: #fff; font-weight: 600; font-size: 15px; }
@media (prefers-color-scheme: dark) { .badge { background: #0a66d8; } }
.widgets { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 20px; margin: 40px 0 8px; }
.widget { background: var(--surface); border-radius: 22px; padding: 16px; box-shadow: 0 1px 2px rgba(0,0,0,.06), 0 10px 30px rgba(10,60,130,.08); font-size: 13px; }
.widget .head { display: flex; justify-content: space-between; font-weight: 700; margin-bottom: 8px; font-size: 12px; }
.widget .head span:last-child { color: var(--muted); font-weight: 500; }
.rows { background: var(--tile); border-radius: 16px; padding: 0 10px; }
.row { display: flex; align-items: center; gap: 9px; min-height: 44px; }
.row + .row { border-top: 1px solid var(--line); }
.dot { width: 28px; height: 28px; border-radius: 50%; flex: none; background: linear-gradient(#32ade6, #0a66d8); }
.row b { display: block; font-size: 15px; }
.row small { color: var(--muted); font-size: 12px; }
.row small.taken { color: var(--blue); }
.row .mark { margin-left: auto; color: var(--blue); font-weight: 700; font-size: 18px; width: 24px; text-align: center; }
.days { display: grid; grid-template-columns: repeat(7, 1fr); justify-items: center; gap: 6px 0; margin-top: 10px; }
.days span { font-size: 11px; font-weight: 700; color: var(--muted); }
.days i { width: 30px; height: 30px; border-radius: 50%; background: var(--tile); }
.days i.full { background: var(--blue); }
.days i.half { background: linear-gradient(to top, var(--blue) 50%, var(--tile) 50%); }
ul.features { padding: 0; list-style: none; display: grid; gap: 14px; }
ul.features li { background: var(--surface); border-radius: 18px; padding: 16px 18px; }
ul.features b { display: block; }
ul.features span { color: var(--muted); }
footer { max-width: 760px; margin: 0 auto; padding: 24px 20px 48px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }
article h1 { font-size: clamp(30px, 6vw, 40px); }
article h2 { font-size: 21px; margin-top: 34px; }
article .date { color: var(--muted); }
