:root {
  --ink: #1a1714;
  --ink-soft: #4a443d;
  --paper: #f6f3ec;
  --card: #ffffff;
  --line: #e4ddd0;
  --accent: #c8541f;      /* terracotta */
  --accent-soft: #f5e3d8;
  --green: #2e7d4f;
  --green-soft: #e1f0e6;
  --gray-soft: #efeae0;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(26,23,20,.06), 0 6px 24px rgba(26,23,20,.05);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
}
a { color: var(--accent); }

header.top {
  display: flex; align-items: baseline; gap: 14px;
  padding: 22px 28px; border-bottom: 1px solid var(--line); background: var(--card);
}
header.top h1 { font-size: 1.4rem; margin: 0; letter-spacing: -.02em; }
header.top .sub { color: var(--ink-soft); font-size: .9rem; }
.chess-mark { font-size: 1.5rem; }

nav.tabs { display: flex; gap: 4px; padding: 0 24px; background: var(--card); border-bottom: 1px solid var(--line); }
nav.tabs button {
  border: 0; background: none; padding: 14px 18px; font-size: .95rem; font-weight: 600;
  color: var(--ink-soft); cursor: pointer; border-bottom: 2px solid transparent;
}
nav.tabs button.active { color: var(--ink); border-bottom-color: var(--accent); }

main { max-width: 1100px; margin: 0 auto; padding: 28px 24px 80px; }
.view { display: none; }
.view.active { display: block; animation: fade .2s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

h2.section { font-size: 1.15rem; margin: 0 0 16px; letter-spacing: -.01em; }
.muted { color: var(--ink-soft); }
.row { display: flex; gap: 24px; flex-wrap: wrap; align-items: flex-start; }
.col { flex: 1; min-width: 280px; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow); margin-bottom: 18px;
}
.card h3 { margin: 0 0 12px; font-size: 1rem; }

label { display: block; font-size: .8rem; font-weight: 600; color: var(--ink-soft); margin: 10px 0 4px; }
input, select {
  width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px;
  font-size: .95rem; background: #fff; color: var(--ink);
}
input:focus, select:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }

.btn {
  display: inline-flex; align-items: center; gap: 6px; border: 0; cursor: pointer;
  background: var(--accent); color: #fff; padding: 9px 16px; border-radius: 8px;
  font-size: .9rem; font-weight: 600;
}
.btn:hover { filter: brightness(.95); }
.btn.secondary { background: var(--gray-soft); color: var(--ink); }
.btn.ghost { background: none; color: var(--accent); padding: 6px 8px; }
.btn.small { padding: 5px 10px; font-size: .82rem; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); }
th { font-size: .76rem; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-soft); }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

.tag {
  display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: .74rem; font-weight: 700;
  background: var(--gray-soft); color: var(--ink-soft);
}
.tag.green { background: var(--green-soft); color: var(--green); }
.tag.accent { background: var(--accent-soft); color: var(--accent); }
.tag.final { background: #1a1714; color: #fff; }

.qualified td { background: var(--green-soft); }
.rank-1 .rk { color: var(--accent); font-weight: 800; }

.pill-list { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  display: inline-flex; align-items: center; gap: 8px; background: var(--gray-soft);
  border-radius: 999px; padding: 5px 6px 5px 13px; font-size: .88rem;
}
.pill button { border: 0; background: #d9cfbe; width: 20px; height: 20px; border-radius: 50%; cursor: pointer; color: var(--ink); }

.result-btns { display: inline-flex; gap: 4px; }
.result-btns button {
  border: 1px solid var(--line); background: #fff; border-radius: 6px; padding: 4px 9px;
  cursor: pointer; font-size: .82rem; font-weight: 600;
}
.result-btns button.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.board-line td { vertical-align: middle; }

.empty { text-align: center; padding: 36px; color: var(--ink-soft); }
.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: 11px 20px; border-radius: 999px; font-size: .9rem;
  opacity: 0; pointer-events: none; transition: opacity .25s; box-shadow: var(--shadow); z-index: 50;
}
.toast.show { opacity: 1; }
.flex-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.list-item { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--line); cursor: pointer; }
.list-item:hover { background: #faf7f0; }
.list-item:last-child { border-bottom: 0; }
.back { background: none; border: 0; color: var(--accent); cursor: pointer; font-weight: 600; padding: 0 0 12px; }

/* Pendule */
.clock-wrap { display: flex; gap: 14px; justify-content: center; margin: 8px 0; }
.clock {
  flex: 1; max-width: 240px; text-align: center; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; background: #fff; cursor: pointer;
}
.clock.active { border-color: var(--accent); background: var(--accent-soft); }
.clock.flag { background: #fdecec; border-color: #d9534f; }
.clock .who { font-size: .8rem; color: var(--ink-soft); font-weight: 600; }
.clock .time { font-size: 2.6rem; font-variant-numeric: tabular-nums; font-weight: 700; letter-spacing: -.02em; }