/* TTGO shell overrides for HTML Chess */
body {
  background:
    radial-gradient(1200px 600px at 15% 10%, rgba(109,94,246,.35), transparent 55%),
    radial-gradient(900px 500px at 90% 20%, rgba(34,197,94,.22), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  color: var(--text);
}

.ch-shell {
  max-width: 960px;
  margin: 0 auto 28px;
}

.ch-board-wrap {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 22px;
  padding: 16px;
  box-shadow: var(--shadow);
  overflow: auto;
}

.ch-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  align-items: center;
  margin-bottom: 14px;
}

.ch-controls p {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  align-items: center;
  margin: 0;
  width: 100%;
}

.ch-shell .configitem {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px 12px;
  margin: 0;
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-size: 13px;
}

.ch-shell .configitem select,
.ch-shell .configitem input[type="text"] {
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(7,10,18,.45);
  color: var(--text);
  padding: 4px 8px;
  font-weight: 600;
}

.ch-shell input[type="button"],
.ch-shell input[type="button"].strtBtn {
  appearance: none;
  border: 1px solid rgba(255,255,255,.14);
  background: linear-gradient(135deg, rgba(109,94,246,.95), rgba(34,197,94,.85));
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  padding: 10px 16px;
  border-radius: 12px;
  cursor: pointer;
}

.ch-shell input[type="radio"],
.ch-shell input[type="checkbox"] {
  accent-color: var(--primary);
}

#chessToolBar {
  width: min(100%, 550px);
  margin: 12px auto;
  background: rgba(255,255,255,.08);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.1);
  border: 1px solid var(--border);
  border-radius: 14px;
  text-align: center;
  padding: 8px;
}

#setViewBtns span {
  margin: 0 3px;
  display: inline-block;
  font: 12px / 13px ui-sans-serif, system-ui, sans-serif;
  text-shadow: none;
  padding: 6px 10px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: var(--text);
  cursor: pointer;
  border-radius: 8px;
  box-shadow: none;
}

#setViewBtns span.pressedBtn {
  background: rgba(109,94,246,.35);
  border-color: rgba(109,94,246,.55);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
}

img.tbBtn {
  cursor: pointer;
  margin: 2px 4px;
  filter: brightness(1.15);
}

#chessDesk {
  clear: both;
  width: auto;
  height: auto;
  margin: 16px auto;
  display: flex;
  justify-content: center;
}

#chessCtrlPanel {
  background: rgba(12,18,40,.95) !important;
  color: var(--text) !important;
  border: 1px solid var(--border);
  border-radius: 14px 0 0 0;
  box-shadow: var(--shadow) !important;
  font-family: ui-sans-serif, system-ui, sans-serif !important;
}

#chessCtrlPanel select,
#chessCtrlPanel input[type="text"],
#chessMoves,
#chessAlgebraic {
  background: rgba(7,10,18,.55) !important;
  color: var(--text) !important;
  border: 1px solid var(--border) !important;
  box-shadow: none !important;
}

#chessInfo span.intLink,
span.infoKey,
span.infoVal {
  color: var(--text) !important;
}

a.chessCtrlBtn:link,
span.chessCtrlBtn {
  color: var(--text) !important;
  background: rgba(255,255,255,.08) !important;
  box-shadow: none !important;
  border: 1px solid var(--border);
}

@media (max-width: 640px) {
  .ch-board-wrap { padding: 10px; }
  #chessToolBar { width: 100%; }
  .ch-shell .configitem { font-size: 12px; }
}