/* FC iOS Controller — 画面下25%専用・ファミコン実機の配置（B A 横並び／SELECT START は沈んだプレート）
   2026-09-22 作り直し: 筐体・受け皿・十字の立体を追加。当たり判定は見た目より広い（::before で拡張）。 */
:root {
  --fc-shell: #d2cec4;
  --fc-shell-mid: #b8b3a8;
  --fc-shell-lo: #9a958b;
  --fc-shell-line: #5e5a52;
  --fc-well: #8e8981;
  --fc-well-lo: #6e6a63;
  --fc-dpad: #2b2b2b;
  --fc-dpad-hi: #4b4b4b;
  --fc-dpad-lo: #121212;
  --fc-a: #d92b1c;
  --fc-a-hi: #ff6a52;
  --fc-a-lo: #8c1408;
  --fc-b: #d92b1c;
  --fc-b-hi: #ff6a52;
  --fc-b-lo: #8c1408;
  --fc-sys: #56524b;
  --fc-sys-lo: #302d28;
  --fc-label: #2a2722;
}

/* ───────────── 筐体 ───────────── */
.fc-control-deck {
  position: relative;
  flex: 0 0 25%;
  height: 25%;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(4px, 1.2vw, 10px);
  padding:
    clamp(6px, 1.6vh, 12px)
    max(10px, env(safe-area-inset-right, 10px))
    max(8px, env(safe-area-inset-bottom, 8px))
    max(10px, env(safe-area-inset-left, 10px));
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0 2px, transparent 2px),
    linear-gradient(180deg, var(--fc-shell) 0%, var(--fc-shell-mid) 62%, var(--fc-shell-lo) 100%);
  border-top: 3px solid var(--fc-shell-line);
  box-shadow:
    inset 0 3px 0 rgba(255, 255, 255, 0.38),
    inset 0 -4px 10px rgba(0, 0, 0, 0.22);
  overflow: hidden;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

/* 筐体の梨地（実機の樹脂質感） */
.fc-control-deck::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg, transparent 0 3px, rgba(0, 0, 0, 0.022) 3px 4px),
    repeating-linear-gradient(0deg, transparent 0 3px, rgba(255, 255, 255, 0.02) 3px 4px);
}

.fc-deck-left,
.fc-deck-center,
.fc-deck-right {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  min-width: 0;
  height: 100%;
}

.fc-deck-left {
  flex: 1 1 34%;
  justify-content: center;
}

.fc-deck-center {
  flex: 0 0 auto;
  flex-direction: column;
  justify-content: center;
  gap: clamp(5px, 1.2vh, 9px);
  padding: clamp(6px, 1.4vh, 10px) clamp(7px, 2vw, 12px);
  border-radius: 10px;
  /* SELECT/START は筐体に一段沈んだプレートに載る */
  background: linear-gradient(180deg, var(--fc-well-lo), var(--fc-well));
  box-shadow:
    inset 0 2px 5px rgba(0, 0, 0, 0.45),
    0 1px 0 rgba(255, 255, 255, 0.34);
}

.fc-deck-right {
  flex: 1 1 34%;
  justify-content: center;
}

/* ───────────── 十字キー ───────────── */
.fc-dpad-wrap {
  position: relative;
  width: min(40vw, calc(25dvh - 26px), 152px);
  height: min(40vw, calc(25dvh - 26px), 152px);
  min-width: 104px;
  min-height: 104px;
  display: grid;
  place-items: center;
  touch-action: none;
  /* 受け皿：十字が沈んで見えるよう円形に窪ませる */
  border-radius: 50%;
  background: radial-gradient(circle at 50% 42%, var(--fc-well-lo), var(--fc-well) 72%, transparent 73%);
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.3);
}

/* 当たり判定を見た目より広げる（誤タップより取りこぼしを潰す） */
.fc-dpad-wrap::before {
  content: "";
  position: absolute;
  inset: -12px;
  border-radius: 50%;
}

.fc-dpad {
  position: relative;
  width: 86%;
  height: 86%;
  touch-action: none;
  filter: drop-shadow(0 4px 0 rgba(0, 0, 0, 0.5));
}

.fc-dpad-v,
.fc-dpad-h {
  position: absolute;
  border: 2px solid var(--fc-dpad-lo);
  background: linear-gradient(180deg, var(--fc-dpad-hi), var(--fc-dpad));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.fc-dpad-v {
  width: 35%;
  height: 100%;
  left: 32.5%;
  top: 0;
  border-radius: 4px 4px 4px 4px;
}

.fc-dpad-h {
  width: 100%;
  height: 35%;
  left: 0;
  top: 32.5%;
  border-radius: 4px;
}

/* 中央の皿（親指が乗る凹み）＋ 方向のガイド刻み */
.fc-dpad-c {
  position: absolute;
  left: 30%;
  top: 30%;
  width: 40%;
  height: 40%;
  border-radius: 50%;
  border: 2px solid var(--fc-dpad-lo);
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.07) 0 22%, transparent 23%),
    radial-gradient(circle at 38% 30%, #5c5c5c, var(--fc-dpad-lo));
  box-shadow: inset 0 2px 7px rgba(0, 0, 0, 0.6);
  pointer-events: none;
}

/* 押下表現はクラス／属性の付替えのみ（再描画ゼロ） */
.fc-dpad[data-up="1"] .fc-dpad-v {
  background: linear-gradient(0deg, #6b6b6b, var(--fc-dpad-hi));
  box-shadow: inset 0 5px 9px rgba(0, 0, 0, 0.5);
}

.fc-dpad[data-down="1"] .fc-dpad-v {
  background: linear-gradient(180deg, #6b6b6b, var(--fc-dpad-hi));
  box-shadow: inset 0 -5px 9px rgba(0, 0, 0, 0.5);
}

.fc-dpad[data-left="1"] .fc-dpad-h {
  background: linear-gradient(90deg, #6b6b6b, var(--fc-dpad-hi));
  box-shadow: inset 5px 0 9px rgba(0, 0, 0, 0.5);
}

.fc-dpad[data-right="1"] .fc-dpad-h {
  background: linear-gradient(270deg, #6b6b6b, var(--fc-dpad-hi));
  box-shadow: inset -5px 0 9px rgba(0, 0, 0, 0.5);
}

.fc-dpad.pressed {
  transform: translateY(1px) scale(0.985);
  filter: drop-shadow(0 2px 0 rgba(0, 0, 0, 0.5)) brightness(1.04);
}

/* ───────────── SELECT / START ───────────── */
.fc-sysbtn {
  position: relative;
  width: clamp(54px, 15vw, 72px);
  height: clamp(20px, 5.6vw, 26px);
  min-width: 50px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  isolation: isolate;
  color: #e6e2da;
  font-family: "Press Start 2P", monospace;
  font-size: clamp(5px, 1.7vw, 7px);
  letter-spacing: 0.04em;
  line-height: 1;
  touch-action: none;
  transition: transform 0.06s ease, box-shadow 0.06s ease;
}

/* 判定はbutton本体の48px。細い実機風の外観だけを中央に描く。 */
.fc-sysbtn::before {
  content: "";
  position: absolute;
  inset: 12px 0;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--fc-sys), var(--fc-sys-lo));
  box-shadow: 0 2px 0 #14120f, inset 0 1px 0 rgba(255, 255, 255, 0.2);
  z-index: -1;
  pointer-events: none;
}

.fc-sysbtn:active,
.fc-sysbtn.pressed {
  transform: translateY(2px);
}

.fc-sysbtn:active::before,
.fc-sysbtn.pressed::before {
  box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.55);
}

/* ───────────── A / B（実機どおり B A の横並び） ───────────── */
.fc-ab {
  position: relative;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  /* 実機の受け皿：角丸の窪みに2個並ぶ */
  gap: clamp(10px, 3.4vw, 20px);
  padding: clamp(7px, 2vw, 12px) clamp(11px, 3.4vw, 18px);
  border-radius: 999px;
  background: linear-gradient(180deg, var(--fc-well-lo), var(--fc-well));
  box-shadow:
    inset 0 2px 6px rgba(0, 0, 0, 0.42),
    0 1px 0 rgba(255, 255, 255, 0.34);
}

.fc-abbtn {
  position: relative;
  width: clamp(50px, 13.5vw, 66px);
  height: clamp(50px, 13.5vw, 66px);
  min-width: 48px;
  min-height: 48px;
  padding: 0;
  border: 2px solid rgba(0, 0, 0, 0.42);
  border-radius: 50%;
  touch-action: none;
  background: radial-gradient(circle at 36% 28%, var(--fc-a-hi), var(--fc-a) 56%, var(--fc-a-lo));
  box-shadow: 0 5px 0 var(--fc-a-lo), inset 0 1px 0 rgba(255, 255, 255, 0.34);
  transition: transform 0.06s ease, box-shadow 0.06s ease;
}

/* 当たり判定は円形に少しだけ外へ。A と B の間は広げてあるので相互の誤爆はしない */
.fc-abbtn::before {
  content: "";
  position: absolute;
  inset: -7px;
  border-radius: 50%;
}

.fc-abbtn i {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: "Press Start 2P", monospace;
  font-size: clamp(11px, 3.2vw, 14px);
  font-style: normal;
  color: rgba(0, 0, 0, 0.5);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.22);
  pointer-events: none;
}

.fc-abbtn:active,
.fc-abbtn.pressed {
  transform: translateY(4px);
  box-shadow: 0 1px 0 var(--fc-a-lo), inset 0 2px 6px rgba(0, 0, 0, 0.35);
}

/* ───────────── 小画面 ───────────── */
@media (max-width: 360px) {
  .fc-deck-center {
    gap: 5px;
    padding: 6px 7px;
  }

  .fc-sysbtn {
    width: 50px;
    height: 19px;
    font-size: 5px;
  }

  .fc-ab {
    gap: 9px;
    padding: 6px 9px;
  }
}

@media (max-height: 620px) {
  .fc-dpad-wrap {
    min-width: 94px;
    min-height: 94px;
  }

  .fc-abbtn {
    width: 48px;
    height: 48px;
  }
}