/* =========================
   未来キーボード全体
========================= */
#futureKeyboardBox {
  display: block !important;
  width: fit-content;
  max-width: 850px;
  background: #ffffff;
  border: 2px solid #ccc;
  border-radius: 12px;
  padding: 10px 10px;
  margin: 10px auto 0;
}

#futureKeyboardBox .kb-row {
  position: relative;
  display: flex;
  justify-content: center;
  margin: 1px 0;
}

#futureKeyboardBox .row-5 {
  justify-content: center;
}

#futureKeyboardBox .key {
  position: relative;
  width: 40px;
  height: 40px;
  border: 1px solid #ccc;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  background: #fff;
  margin: 2px;
  box-sizing: border-box;
}

/* =========================
   ホームキー周辺
========================= */
#futureKeyboardBox .key[data-key="A"],
#futureKeyboardBox .key[data-key="S"],
#futureKeyboardBox .key[data-key="D"],
#futureKeyboardBox .key[data-key="K"],
#futureKeyboardBox .key[data-key="L"],
#futureKeyboardBox .key[data-key=";"] {
  border: 1px solid #222;
}

#futureKeyboardBox .key[data-key="F"],
#futureKeyboardBox .key[data-key="J"] {
  border: 2px solid #222;
}

#futureKeyboardBox .key[data-key="4"],
#futureKeyboardBox .key[data-key="R"],
#futureKeyboardBox .key[data-key="V"],
#futureKeyboardBox .key[data-key="7"],
#futureKeyboardBox .key[data-key="U"],
#futureKeyboardBox .key[data-key="M"] {
  border: 2px solid #222;
}

/* =========================
   サイズ調整
========================= */
#futureKeyboardBox .key[data-key="1"] {
  width: 60px;
}

#futureKeyboardBox .key[data-key="Ctrl"] {
  width: 50px;
}

#futureKeyboardBox .key[data-key="Cmd"],
#futureKeyboardBox .key[data-key="英数"],
#futureKeyboardBox .key[data-key="かな"] {
  width: 50px;
}

#futureKeyboardBox .key[data-key="Space"] {
  width: 160px;
}

#futureKeyboardBox .key[data-key="Shift"] {
  width: 73px;
}

#futureKeyboardBox .key[data-key="Enter"][data-row="2"] {
  width: 60px;
}

#futureKeyboardBox .key[data-key="Enter"][data-row="3"] {
  width: 50px;
}

#futureKeyboardBox .key[data-key="Caps"] {
  font-size: 16px;
}

/* =========================
   指ごとの色
========================= */
#futureKeyboardBox .key[data-finger="left-pinky"] {
  background: #e3f2fd;
}

#futureKeyboardBox .key[data-finger="left-ring"] {
  background: #e8f5e9;
}

#futureKeyboardBox .key[data-finger="left-middle"] {
  background: #fff3e0;
}

#futureKeyboardBox .key[data-finger="left-index"] {
  background: #fce4ec;
}

#futureKeyboardBox .key[data-finger="right-index"] {
  background: #fce4ec;
}

#futureKeyboardBox .key[data-finger="right-middle"] {
  background: #fff3e0;
}

#futureKeyboardBox .key[data-finger="right-ring"] {
  background: #e8f5e9;
}

#futureKeyboardBox .key[data-finger="right-pinky"] {
  background: #e3f2fd;
}

#futureKeyboardBox .key[data-finger="thumb"] {
  background: #ede7f6;
}

/* =========================
   次キー (ガイドONの時のみ黄色)
========================= */
#futureKeyboardBox:not(.no-guide) .key.active {
  background: #ffeb3b;
  font-weight: bold;
}

/* =========================
   押下フィードバック (黄色点灯・アニメーションなし)
   ※ .no-press 時は適用されないようにセレクタで制御
========================= */
#futureKeyboardBox:not(.no-press) .key.pressed {
  background-color: #ffeb3b !important;
  transition: none;
}

/* =========================
   赤線（左右の区切り線）
========================= */
#futureKeyboardBox .key[data-key="5"]::after,
#futureKeyboardBox .key[data-key="T"]::after,
#futureKeyboardBox .key[data-key="G"]::after,
#futureKeyboardBox .key[data-key="B"]::after {
  content: "";
  position: absolute;
  top: -2px;
  right: -5px;
  width: 5px;
  height: calc(100% + 4px);
  background: red;
  pointer-events: none;
}

#futureKeyboardBox .row-1::after {
  content: "";
  position: absolute;
  left: calc(50% - 81px);
  bottom: -3px;
  width: 29px;
  height: 6px;
  background: red;
  pointer-events: none;
}

#futureKeyboardBox .row-2::after {
  content: "";
  position: absolute;
  left: calc(50% - 57px);
  bottom: -3px;
  width: 15px;
  height: 6px;
  background: red;
  pointer-events: none;
}

#futureKeyboardBox .row-3::after {
  content: "";
  position: absolute;
  left: calc(50% - 47px);
  bottom: -3px;
  width: 27px;
  height: 6px;
  background: red;
  pointer-events: none;
}

/* =========================
   ヒートマップ (Future)
========================= */
#futureKeyboardBox .key.heatmap-level-0 {
  background-color: inherit !important;
  color: #333;
}

#futureKeyboardBox .key.heatmap-level-1 {
  background: #e0f2fe !important;
  color: #0284c7;
}

#futureKeyboardBox .key.heatmap-level-2 {
  background: #fef08a !important;
  color: #854d0e;
}

#futureKeyboardBox .key.heatmap-level-3 {
  background: #fdba74 !important;
  color: #9a3412;
}

#futureKeyboardBox .key.heatmap-level-4 {
  background: #ef4444 !important;
  color: #ffffff;
}

#futureKeyboardBox .miss-overlay {
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  text-align: center;
  font-size: 10px;
  font-weight: bold;
  pointer-events: none;
  color: inherit;
}