:root {
  --bg: #f6f5f0; --card: #ffffff; --ink: #14201a; --mute: #5c6b62; --line: #dfe3da;
  --accent: #1d6b45; --on-accent: #ffffff; --ball: #d4ee3a; --court: #2f7d57; --soft: #ecefe6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1512; --card: #18211c; --ink: #eef2ec; --mute: #9aa89f; --line: #2a362f;
    --accent: #7fd6a4; --on-accent: #0f1512; --court: #2a6e4d; --soft: #1e2923;
  }
}
* { box-sizing: border-box; margin: 0; padding: 0 }
html { -webkit-text-size-adjust: 100% }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg); color: var(--ink); line-height: 1.55; font-size: 17px;
  min-height: 100vh; display: flex; flex-direction: column;
}
a { color: var(--accent) }
.top, main, .foot { width: 100%; max-width: 780px; margin: 0 auto; padding-left: 20px; padding-right: 20px }
.top { display: flex; justify-content: space-between; align-items: center; padding-top: 22px; padding-bottom: 22px }
.logo { display: inline-flex; align-items: center; gap: 9px; font-weight: 700; font-size: 19px; letter-spacing: -.02em; color: var(--ink); text-decoration: none }
.ball { width: 14px; height: 14px; border-radius: 50%; background: var(--ball); box-shadow: inset 0 0 0 1.5px rgba(20, 32, 26, .35) }
.all { font-size: 15px; text-decoration: none; color: var(--mute) }
.all:hover { color: var(--ink) }
main { flex: 1; padding-bottom: 56px }
h1 { font-size: clamp(32px, 6.4vw, 46px); line-height: 1.06; letter-spacing: -.035em; font-weight: 700; text-wrap: balance }
h2 { font-size: 23px; letter-spacing: -.02em; margin: 44px 0 12px; line-height: 1.2 }
h3 { font-size: 17px; margin: 22px 0 4px }
p { margin: 0 0 14px; max-width: 66ch }
.hero { padding: 34px 0 30px }
.lede { font-size: 19px; color: var(--mute); margin-top: 14px; max-width: 54ch }
.page-head { padding: 26px 0 22px }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px }
.card { display: block; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px; text-decoration: none; color: var(--ink); transition: border-color .15s, transform .15s }
.card:hover { border-color: var(--accent); transform: translateY(-1px) }
.card b { display: block; font-size: 18px; letter-spacing: -.01em; margin-bottom: 4px }
.card span { color: var(--mute); font-size: 15px; line-height: 1.4; display: block }

.tool { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 22px; margin: 4px 0 8px }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end }
.field { display: flex; flex-direction: column; gap: 6px; flex: 1 1 150px; min-width: 0 }
label, .label { font-size: 14px; color: var(--mute); font-weight: 500 }
input[type=number], input[type=text], select, textarea {
  font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 14px; width: 100%; min-height: 48px; appearance: none; -webkit-appearance: none;
}
select { background-image: linear-gradient(45deg, transparent 50%, var(--mute) 50%), linear-gradient(135deg, var(--mute) 50%, transparent 50%); background-position: calc(100% - 20px) 21px, calc(100% - 14px) 21px; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 36px }
textarea { min-height: 170px; resize: vertical; line-height: 1.5 }
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px }
button { font: inherit; cursor: pointer; border-radius: 12px; min-height: 48px; padding: 0 18px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); font-weight: 600 }
button.primary { background: var(--accent); color: var(--on-accent); border-color: var(--accent) }
button:active { transform: scale(.985) }
.seg { display: inline-flex; background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 3px }
.seg button { border: 0; background: transparent; min-height: 40px; padding: 0 14px; border-radius: 9px; color: var(--mute) }
.seg button[aria-pressed=true] { background: var(--card); color: var(--ink); box-shadow: 0 1px 2px rgba(0, 0, 0, .12) }

.result { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line) }
.result .big { font-size: clamp(30px, 7vw, 42px); font-weight: 700; letter-spacing: -.03em; line-height: 1.1; font-variant-numeric: tabular-nums }
.result .note { color: var(--mute); margin-top: 8px; font-size: 16px }
.result:empty { display: none }

.table-wrap { overflow-x: auto; margin: 6px 0 14px; border: 1px solid var(--line); border-radius: 14px; background: var(--card) }
table { border-collapse: collapse; width: 100%; font-size: 16px; font-variant-numeric: tabular-nums }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); white-space: nowrap }
th { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--mute); font-weight: 600 }
tr:last-child td { border-bottom: 0 }
ul.plain, ol.plain { margin: 0 0 14px 20px; max-width: 64ch }
ul.plain li, ol.plain li { margin-bottom: 6px }
.more { margin-top: 56px }
.foot { display: flex; justify-content: space-between; padding-top: 22px; padding-bottom: 30px; font-size: 14px; color: var(--mute); border-top: 1px solid var(--line) }
.foot nav { display: flex; gap: 18px }
.foot a { color: var(--mute); text-decoration: none }
.foot a:hover { color: var(--ink) }

/* court diagram */
.court-svg { width: 100%; height: auto; display: block; border-radius: 14px }

/* score keeper */
.board { display: grid; gap: 10px }
.side { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; background: var(--bg); border: 1px solid var(--line); border-radius: 16px; padding: 12px 12px 12px 16px }
.side .who { display: flex; align-items: center; gap: 8px; min-width: 0 }
.side input.name { border: 0; background: transparent; padding: 4px 0; min-height: 0; font-weight: 600; font-size: 18px; border-radius: 6px }
.srv { width: 10px; height: 10px; border-radius: 50%; background: var(--ball); box-shadow: inset 0 0 0 1px rgba(20, 32, 26, .4); flex: none; visibility: hidden }
.side.serving .srv { visibility: visible }
.nums { display: flex; gap: 14px; align-items: baseline; font-variant-numeric: tabular-nums; color: var(--mute); font-size: 17px; margin-top: 2px; flex-wrap: wrap }
.nums .pts { font-size: 34px; font-weight: 700; color: var(--ink); letter-spacing: -.03em; min-width: 2.2ch; line-height: 1 }
.side button.add { min-width: 92px; min-height: 76px; font-size: 17px; background: var(--accent); color: var(--on-accent); border-color: var(--accent) }
.side button.add:disabled { opacity: .4; cursor: default }
.status { font-weight: 600; min-height: 1.6em; margin: 14px 0 12px }
.controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; margin-top: 4px }
.controls .field { flex: 1 1 210px }

/* round robin */
.round { border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; background: var(--bg); break-inside: avoid }
.round h3 { margin: 0 0 8px; font-size: 15px; text-transform: uppercase; letter-spacing: .06em; color: var(--mute) }
.round li { list-style: none; display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; border-top: 1px solid var(--line) }
.round li:first-of-type { border-top: 0 }
.round li span { color: var(--mute); font-size: 15px; white-space: nowrap }
.rounds { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px }

@media print {
  .top, .foot, .more, .no-print, .prose { display: none !important }
  body { background: #fff; color: #000 }
  .tool { border: 0; padding: 0 }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important } }