:root {
  --bg: #0f1220;
  --panel: #171a2b;
  --panel-2: #1e2238;
  --ink: #eef1f8;
  --ink-dim: #9aa3bd;
  --ink-faint: #6b7391;
  --border: #2a2f4a;
  --accent: #5b8cff;
  --line: #3a4368;
  --line-dim: #262c45;
  --radius: 10px;
  --col-gap: clamp(48px, 9vw, 130px);
  font-size: 15px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(1200px 600px at 50% -10%, #1a1f38 0%, var(--bg) 60%);
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 24px 60px;
}

/* ---------- header ---------- */
.page-head { margin-bottom: 22px; }
.page-title { margin: 0; font-size: 1.7rem; font-weight: 700; letter-spacing: -0.02em; }
.page-title a { color: var(--ink); text-decoration: none; }
.subtitle { margin: 6px 0 0; color: var(--ink-dim); font-size: 0.95rem; }

.controls { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 18px; }
.control { display: flex; flex-direction: column; gap: 5px; }
.control-label {
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ink-faint); font-weight: 600;
}
.team-select, .group-select {
  appearance: none;
  background: var(--panel-2);
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 34px 9px 12px;
  font: inherit; font-size: 0.95rem;
  cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-dim) 50%),
                    linear-gradient(135deg, var(--ink-dim) 50%, transparent 50%);
  background-position: calc(100% - 18px) 55%, calc(100% - 13px) 55%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  min-width: 220px;
}
.team-select:focus, .group-select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.team-select option:disabled, .group-select option:disabled { color: var(--ink-faint); }

.notice {
  margin: 0 0 16px; padding: 10px 14px;
  background: #2a1f1f; border: 1px solid #5a3a3a; color: #ffd7c9;
  border-radius: 8px; font-size: 0.85rem;
}

/* underlined club name -> opens the cross-team club view */
.club-link {
  text-decoration: underline;
  text-decoration-color: var(--ink-faint);
  text-underline-offset: 2px;
  cursor: pointer;
}
.club-link:hover { text-decoration-color: var(--accent); color: #fff; }

/* club-view header bar */
.club-header {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin: 0 0 18px; padding: 12px 16px;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px;
}
/* the display:flex above would otherwise defeat the [hidden] attribute */
.club-header[hidden] { display: none; }
.club-header .ch-flag { font-size: 1.6rem; line-height: 1; }
.club-header .ch-title { font-size: 1.15rem; font-weight: 700; }
.club-header .ch-meta { color: var(--ink-dim); font-size: 0.9rem; }
.close-btn {
  margin-left: auto;
  display: flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; flex: none;
  background: transparent; color: var(--ink-dim);
  border: 1px solid var(--border); border-radius: 50%;
  font-size: 1.05rem; line-height: 1; cursor: pointer;
}
.close-btn:hover { border-color: var(--accent); color: var(--ink); }

/* club view collapses the middle column: players | national teams */
.board.club-mode { grid-template-columns: 1fr 1fr; }
.board.club-mode .column-clubs { display: none; }

/* national-team node in the club view: clickable -> that team's squad */
.node.navigable .c-name {
  text-decoration: underline; text-decoration-color: var(--ink-faint); text-underline-offset: 2px;
}
.node.navigable:hover .c-name { text-decoration-color: var(--accent); }

/* ---------- board ---------- */
.board {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--col-gap);
  align-items: start;
}

.column-head {
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.09em;
  color: var(--ink-faint); font-weight: 600;
  padding: 0 4px 10px; margin-bottom: 8px;
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: baseline;
}
.col-count { color: var(--ink-faint); font-weight: 600; }
.column-body { display: flex; flex-direction: column; gap: 6px; }

/* section labels (position groups / country groups) */
.group-label {
  font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--ink-faint); font-weight: 700;
  margin: 12px 4px 2px;
}
.group-label:first-child { margin-top: 0; }

/* country › league › club hierarchy in the clubs column */
.country-group {
  color: var(--ink-dim); font-size: 0.72rem;
  border-bottom: 1px solid var(--border); padding-bottom: 4px; margin-top: 16px;
}
.league-group {
  text-transform: none; letter-spacing: 0.01em; font-weight: 600;
  font-size: 0.7rem; color: var(--ink-faint); margin: 8px 4px 2px 10px;
}
.league-group::before { content: "› "; }
.column-clubs .club { margin-left: 10px; }

/* nodes */
.node {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 11px;
  font-size: 0.9rem;
  line-height: 1.25;
  transition: background 0.12s, border-color 0.12s, transform 0.12s, box-shadow 0.12s;
  cursor: pointer;
}
.node:hover { border-color: var(--accent); }

/* a clicked node whose selection is pinned */
.node.is-locked {
  border-color: var(--node-color, var(--accent));
  box-shadow: 0 0 0 2px var(--node-color, var(--accent));
}
.node.is-locked::after {
  content: "📌"; position: absolute; top: -9px; right: -7px; font-size: 0.8rem;
}

/* player node */
.player .p-top { display: flex; align-items: center; gap: 8px; }
.player .p-num {
  font-family: "Source Code Pro", monospace; font-size: 0.72rem;
  color: var(--ink-faint); min-width: 20px;
}
.player .p-name { font-weight: 600; }
.player .p-cap { color: var(--accent); font-size: 0.7rem; margin-left: 3px; }
.player .p-club { color: var(--ink-dim); font-size: 0.76rem; margin-top: 2px; padding-left: 28px; }

/* club node */
.club .c-name { font-weight: 600; }
.club .c-meta { color: var(--ink-dim); font-size: 0.74rem; margin-top: 2px; }

/* country node */
.country {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 13px;
}
.country .flag { font-size: 1.35rem; line-height: 1; }
.country .c-info { display: flex; flex-direction: column; }
.country .c-name { font-weight: 700; }
.country .c-count { color: var(--ink-dim); font-size: 0.78rem; }
.country .c-bar {
  margin-left: auto; height: 8px; border-radius: 4px;
  min-width: 8px;
}

/* dim / highlight states driven by JS */
.board.has-focus .node:not(.is-active) { opacity: 0.28; }
.node.is-active { border-color: var(--node-color, var(--accent)); box-shadow: 0 0 0 1px var(--node-color, var(--accent)); }

/* ---------- svg overlay ---------- */
#overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  overflow: visible;
}
.connector {
  fill: none;
  stroke-width: 1.4;
  stroke-linecap: round;
  opacity: 0.55;
  transition: opacity 0.12s, stroke-width 0.12s;
}
#overlay.has-focus .connector:not(.is-active) { opacity: 0.07; }
.connector.is-active { opacity: 1; stroke-width: 2.4; }

/* ---------- footer ---------- */
.page-foot {
  margin-top: 40px; padding-top: 16px; border-top: 1px solid var(--border);
  color: var(--ink-faint); font-size: 0.8rem;
}
.page-foot a { color: var(--ink); text-decoration: underline; }
.page-foot a:hover { color: #fff; }

.empty-state {
  grid-column: 1 / -1;
  text-align: center; color: var(--ink-dim);
  padding: 60px 20px; font-size: 0.95rem;
}

@media (max-width: 720px) {
  :root { --col-gap: 40px; }
  .board { font-size: 0.85rem; }
}