*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --purple: #2D0046;
  --purple-mid: #5a1a7a;
  --purple-light: #f3eef7;
  --accent: #9b30d9;
  --text: #1a1a1a;
  --muted: #666;
  --border: #e0d6e8;
  --white: #ffffff;
  --optimal-bg: #f0e8f9;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: #f5f3f7;
  color: var(--text);
  min-height: 100vh;
}

/* ── Header ── */
header {
  background: var(--purple);
  color: var(--white);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.header-left { display: flex; flex-direction: column; justify-content: center; }

header h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

header .subtitle {
  font-size: 0.7rem;
  opacity: 0.6;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 2px;
}

.header-right {
  text-align: right;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.tournament-name {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.tournament-date {
  font-size: 0.75rem;
  opacity: 0.65;
  margin-top: 2px;
}

/* ── Main container ── */
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* ── Section headings ── */
.section-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--purple);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--purple);
}

/* ── Optimal lineup summary ── */
#lineup-section { margin-bottom: 2.5rem; }

.lineup-meta {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.lineup-stat {
  background: var(--purple);
  color: var(--white);
  border-radius: 6px;
  padding: 0.5rem 1.25rem;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.lineup-stat span {
  font-weight: 700;
  font-size: 1rem;
  display: block;
}

.lineup-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.player-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.1rem 1.25rem;
  box-shadow: 0 1px 4px rgba(45,0,70,0.08);
  position: relative;
  overflow: hidden;
}

.player-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
}

.player-card .card-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--purple);
  margin-bottom: 0.2rem;
}

.player-card .card-opponent {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.player-card .card-opponent span {
  font-weight: 600;
  color: var(--text);
}

.card-stats { display: flex; gap: 1.5rem; }

.card-stat-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 0.1rem;
}

.card-stat-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

/* ── Table controls ── */
.table-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.table-controls input {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
  outline: none;
  width: 220px;
  font-family: inherit;
}

.table-controls input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(155,48,217,0.15);
}

.table-legend {
  font-size: 0.75rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* ── Table ── */
.table-wrapper {
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(45,0,70,0.07);
  overflow: hidden;
  border: 1px solid var(--border);
}

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }

thead tr { background: var(--purple); color: var(--white); }

thead th {
  padding: 0.85rem 1rem;
  text-align: left;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

thead th:hover { background: var(--purple-mid); }
thead th .sort-icon { margin-left: 0.3rem; opacity: 0.4; font-size: 0.65rem; }
thead th.sorted .sort-icon { opacity: 1; }

tbody tr { border-bottom: 1px solid var(--border); transition: background 0.1s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--purple-light); }
tbody tr.is-optimal { background: var(--optimal-bg); }
tbody tr.is-optimal:hover { background: #e6d5f5; }

tbody td { padding: 0.75rem 1rem; }
.td-player { font-weight: 600; }
.td-optimal { text-align: center; }

.check-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: var(--accent);
  border-radius: 50%;
  color: white;
  font-size: 0.65rem;
}

#loading { text-align: center; padding: 3rem; color: var(--muted); font-size: 0.9rem; }

/* ── Responsive ── */
@media (max-width: 700px) {
  .lineup-grid { grid-template-columns: repeat(2, 1fr); }
  header h1 { font-size: 1rem; }
  .tournament-name { font-size: 0.8rem; }
}

@media (max-width: 480px) {
  .lineup-grid { grid-template-columns: 1fr; }
  .header-right { display: none; }
}

/* ── Nav bar ── */
.site-nav {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  display: flex;
  gap: 0;
}

.site-nav a {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
  border-bottom: 3px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.site-nav a:hover { color: var(--purple); }
.site-nav a.active { color: var(--purple); border-bottom-color: var(--accent); }

/* ── Header link ── */
.header-link {
  color: inherit;
  text-decoration: none;
}

/* ── About page ── */
.about-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.about-hero {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.about-hero h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--purple);
  margin-bottom: 0.5rem;
  line-height: 1.25;
}

.about-hero p {
  font-size: 1rem;
  color: var(--muted);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.about-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 1px 4px rgba(45,0,70,0.07);
}

.about-card-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.85rem;
}

.about-card p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: #333;
  margin-bottom: 0.75rem;
}

.about-card p:last-child { margin-bottom: 0; }

@media (max-width: 700px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-hero h2 { font-size: 1.35rem; }
}