/* ==========================================================================
   STICK SURVIVORS: GUT GENUG — MAIN TALENT TREE (HEX)
   Single-owner stylesheet for src/systems/main_talent_tree.js. Loads after
   ui_overhaul.css and reuses its design tokens. Replaces the old flat
   10x10 button-grid screens (mainTalentScreen0944/0945/0946 and friends).
   ========================================================================== */

#mainTalentScreen {
  position: fixed;
  inset: 0;
  z-index: var(--cyber-z-panel);
  background:
    radial-gradient(circle at 50% 8%, rgba(98, 246, 255, 0.10), transparent 32%),
    rgba(2, 4, 10, 0.94);
  padding: 24px;
  overflow: auto;
  align-items: center;
  justify-content: center;
}
#mainTalentScreen:not(.hidden) { display: flex !important; }

.mtt-panel {
  width: min(1360px, 97vw);
  max-height: 95vh;
  overflow: auto;
  border-radius: var(--cyber-radius-lg);
  border: 1px solid var(--cyber-line);
  background: linear-gradient(150deg, rgba(8, 12, 24, 0.97), rgba(4, 7, 16, 0.95));
  box-shadow: 0 30px 110px rgba(0, 0, 0, 0.6), 0 0 90px rgba(98, 246, 255, 0.10);
  padding: 26px;
  scrollbar-width: thin;
}

.mtt-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--cyber-line-soft);
  padding-bottom: 16px;
  margin-bottom: 16px;
}
.mtt-kicker {
  font-family: var(--cyber-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  color: var(--cyber-cyan);
  text-shadow: 0 0 16px rgba(98, 246, 255, 0.5);
}
.mtt-head h2 {
  font-family: var(--cyber-font-display);
  font-weight: 900;
  letter-spacing: 0.1em;
  font-size: clamp(28px, 3.6vw, 40px);
  margin: 6px 0 6px;
  color: var(--cyber-white);
}
.mtt-head p { max-width: 640px; color: var(--cyber-grey); line-height: 1.5; font-size: 0.86rem; }

.mtt-status {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  align-items: center;
  border: 1px solid var(--cyber-line-soft);
  border-radius: var(--cyber-radius);
  background: rgba(255, 255, 255, 0.03);
  padding: 12px 16px;
  margin-bottom: 16px;
}
.mtt-status b { color: var(--cyber-white); letter-spacing: 0.05em; }
.mtt-status b span { color: var(--cyber-mint); font-weight: 900; }
.mtt-status span span { color: var(--cyber-cyan); font-weight: 900; }
.mtt-status small { color: var(--cyber-grey); flex-basis: 100%; }

.mtt-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mtt-tree-wrap {
  width: 100%;
  aspect-ratio: 1 / 1;
  max-height: 76vh;
  margin: 0 auto;
  border-radius: var(--cyber-radius-lg);
  border: 1px solid var(--cyber-line-soft);
  background: radial-gradient(circle at 50% 50%, rgba(98, 246, 255, 0.055), transparent 60%);
  overflow: hidden;
  position: relative;
}
.mtt-tree-wrap svg { width: 100%; height: 100%; display: block; }
.mtt-tree-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-radial-gradient(circle at 50% 50%, transparent 0, transparent 78px, rgba(98,246,255,.028) 79px);
  pointer-events: none;
}

.mtt-hub-ring { fill: none; stroke: var(--cyber-line-soft); stroke-width: 1.5; }
.mtt-hub { fill: rgba(98, 246, 255, 0.08); stroke: var(--cyber-cyan); stroke-width: 2; animation: mtt-hub-pulse 3.2s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
@keyframes mtt-hub-pulse {
  0%, 100% { filter: drop-shadow(0 0 6px rgba(98,246,255,.35)); }
  50% { filter: drop-shadow(0 0 18px rgba(98,246,255,.65)); }
}
.mtt-hub-label {
  font-family: var(--cyber-font-mono);
  font-size: 22px;
  font-weight: 900;
  fill: var(--cyber-white);
  text-anchor: middle;
  dominant-baseline: central;
}
.mtt-hub-sub {
  font-family: var(--cyber-font-mono);
  font-size: 11px;
  fill: var(--cyber-cyan);
  text-anchor: middle;
  dominant-baseline: central;
  letter-spacing: 0.08em;
}

.mtt-line { stroke: var(--cyber-line-soft); stroke-width: 3; transition: stroke .25s; }
.mtt-line--spent { stroke-width: 4; }

.mtt-hex {
  stroke-width: 2.5;
  cursor: pointer;
  transition: transform .18s var(--cyber-ease), filter .18s;
  transform-box: fill-box;
  transform-origin: center;
}
.mtt-hex--locked { fill: rgba(255, 255, 255, 0.02); stroke: rgba(255, 255, 255, 0.10); cursor: not-allowed; }
.mtt-hex--available { fill: rgba(255, 255, 255, 0.045); animation: mtt-hex-pulse 2.4s ease-in-out infinite; }
.mtt-hex--spent { fill-opacity: 0.22; filter: drop-shadow(0 0 5px currentColor); }
@keyframes mtt-hex-pulse {
  0%, 100% { filter: drop-shadow(0 0 2px currentColor); }
  50% { filter: drop-shadow(0 0 9px currentColor); }
}
.mtt-hex--available:hover, .mtt-hex--spent:hover { transform: scale(1.14); filter: drop-shadow(0 0 12px currentColor); }

.mtt-hex-label {
  font-family: var(--cyber-font-mono);
  font-size: 13px;
  font-weight: 900;
  fill: var(--cyber-white);
  text-anchor: middle;
  dominant-baseline: central;
  pointer-events: none;
}
.mtt-hex--locked + .mtt-hex-label { fill: rgba(237, 247, 255, 0.35); }

.mtt-branch-label {
  font-family: var(--cyber-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-anchor: middle;
  dominant-baseline: central;
  font-weight: 800;
  paint-order: stroke;
  stroke: rgba(2, 4, 10, 0.85);
  stroke-width: 4px;
}

.mtt-detail {
  border: 1px solid var(--cyber-line-soft);
  border-radius: var(--cyber-radius-lg);
  background: rgba(255, 255, 255, 0.03);
  padding: 14px 20px;
  min-height: 64px;
  color: var(--cyber-white);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 26px;
}
.mtt-detail__empty { color: var(--cyber-grey); font-size: 0.86rem; line-height: 1.5; }
.mtt-detail__branch { font-family: var(--cyber-font-mono); font-size: 0.68rem; letter-spacing: 0.18em; white-space: nowrap; }
.mtt-detail__title { font-family: var(--cyber-font-display); font-weight: 900; font-size: 1.05rem; white-space: nowrap; }
.mtt-detail__value { font-size: 0.92rem; color: var(--cyber-mint); font-weight: 800; }
.mtt-detail__state { font-size: 0.72rem; letter-spacing: 0.08em; padding: 5px 10px; border-radius: 999px; white-space: nowrap; }
.mtt-detail__state--spent { background: rgba(101, 255, 200, 0.14); color: var(--cyber-mint); border: 1px solid rgba(101, 255, 200, 0.4); }
.mtt-detail__state--available { background: rgba(98, 246, 255, 0.12); color: var(--cyber-cyan); border: 1px solid rgba(98, 246, 255, 0.4); }
.mtt-detail__state--locked { background: rgba(255, 255, 255, 0.05); color: var(--cyber-grey); border: 1px solid rgba(255, 255, 255, 0.14); }
.mtt-detail__lockhint { color: var(--cyber-grey); font-size: 0.78rem; }
.mtt-detail__buy {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--cyber-cyan);
  background: rgba(98, 246, 255, 0.10);
  color: var(--cyber-white);
  font-family: var(--cyber-font-mono);
  font-weight: 900;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  white-space: nowrap;
  margin-left: auto;
  transition: background .2s, transform .15s;
}
.mtt-detail__buy:hover { background: rgba(98, 246, 255, 0.22); transform: translateY(-1px); }
.mtt-detail__buy:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

@media (max-width: 860px) {
  .mtt-tree-wrap { max-height: 62vh; }
  .mtt-detail__buy { margin-left: 0; }
}