/* ===== スリーセブン（777）落ちもの — ぷにぷにポップ版 ===== */
:root {
  --cols: 6;
  --rows: 13;
  --cell: 46px;
  --gap: 4px;

  --ink: #5a4a6a;
  --muted: #a99bc0;
  --machine: #ffffff;
  --machine-edge: #ffd7e8;
  --board-bg: #eef1fb;

  /* 1〜7 のキャンディカラー（ぷよぷよ風のポップな配色） */
  --n1: #45cfd0; /* みずいろ */
  --n2: #5aa9f4; /* あお    */
  --n3: #9b86f5; /* むらさき */
  --n4: #ff84c0; /* ピンク  */
  --n5: #ff9f55; /* オレンジ */
  --n6: #5ecf86; /* みどり  */
  --n7: #ffce3d; /* きいろ  */
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

html, body {
  height: 100%;
  font-family: "M PLUS Rounded 1c", -apple-system, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 14% 12%, rgba(255,210,232,.9) 0%, transparent 38%),
    radial-gradient(circle at 86% 8%,  rgba(206,231,255,.9) 0%, transparent 40%),
    radial-gradient(circle at 50% 118%, rgba(211,247,221,.95) 0%, transparent 55%),
    linear-gradient(180deg, #fef6fb 0%, #eef3ff 100%);
}

body {
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
}

.machine {
  width: min(760px, 100%);
  background: linear-gradient(180deg, #ffffff 0%, #fff7fb 100%);
  border: 3px solid var(--machine-edge);
  border-radius: 28px;
  box-shadow:
    0 22px 50px rgba(180,140,200,.28),
    inset 0 0 0 4px #ffffff;
  padding: 18px;
}

/* ===== トップバー ===== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding: 4px 6px 0;
}
.title { display: flex; flex-direction: column; line-height: 1; }
.title-jp {
  font-family: "Mochiy Pop One", sans-serif;
  font-size: 30px;
  color: #ff7eb6;
  -webkit-text-stroke: 2.5px #fff;
  paint-order: stroke fill;
  text-shadow: 0 4px 0 rgba(255,170,205,.55), 0 7px 12px rgba(180,120,170,.18);
  letter-spacing: .04em;
}
.title-en {
  font-family: "Mochiy Pop One", sans-serif;
  font-size: 12px; letter-spacing: .42em; color: #9bb8e8;
  margin-top: 9px; padding-left: 3px;
}
.lamp { display: flex; gap: 8px; }
.lamp .seven {
  font-family: "Mochiy Pop One", sans-serif;
  width: 38px; height: 38px;
  display: grid; place-items: center;
  font-size: 21px; color: #fff;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 28%, #fff6cf 0%, var(--n7) 55%, #f6b733 100%);
  box-shadow: 0 5px 0 #e7a52f, 0 8px 12px rgba(220,160,40,.3), inset 0 2px 3px rgba(255,255,255,.7);
  text-shadow: 0 1px 1px rgba(180,120,20,.4);
  animation: bob 1.5s ease-in-out infinite;
}
.lamp .seven:nth-child(2){ animation-delay: .18s; background: radial-gradient(circle at 34% 28%, #ffe0ee 0%, var(--n4) 55%, #f06aa8 100%); box-shadow: 0 5px 0 #e0589a, 0 8px 12px rgba(230,100,160,.3), inset 0 2px 3px rgba(255,255,255,.7); }
.lamp .seven:nth-child(3){ animation-delay: .36s; background: radial-gradient(circle at 34% 28%, #d8f5ff 0%, var(--n1) 55%, #2eb7b8 100%); box-shadow: 0 5px 0 #2aa6a7, 0 8px 12px rgba(60,190,190,.3), inset 0 2px 3px rgba(255,255,255,.7); }
@keyframes bob {
  0%, 100% { transform: translateY(0) rotate(0); }
  50%      { transform: translateY(-7px) rotate(-6deg); }
}

/* ===== レイアウト ===== */
.play {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: start;
}

/* ===== 盤面 ===== */
.board-wrap { position: relative; }
.board {
  display: grid;
  grid-template-columns: repeat(var(--cols), var(--cell));
  grid-template-rows: repeat(var(--rows), var(--cell));
  gap: var(--gap);
  padding: 8px;
  background:
    radial-gradient(circle at 30% 0%, #f7f4ff 0%, var(--board-bg) 60%);
  border: 3px solid #ffe1ee;
  border-radius: 20px;
  box-shadow: inset 0 3px 10px rgba(150,140,190,.18), 0 6px 0 #f3e3ee;
}

.cell {
  position: relative;
  width: var(--cell);
  height: var(--cell);
  border-radius: 13px;
  background: rgba(120,110,170,.06);
  box-shadow: inset 0 0 0 1px rgba(120,110,170,.05);
  display: grid; place-items: center;
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 23px;
  font-weight: 800;
  color: #fff;
  transition: transform .05s;
}

.cell.filled {
  background: var(--c);
  color: #fff;
  box-shadow:
    inset 0 -5px 0 rgba(0,0,0,.13),
    inset 0 3px 0 rgba(255,255,255,.55),
    0 3px 5px rgba(120,100,150,.18);
  text-shadow: 0 1px 1px rgba(0,0,0,.18);
}
/* ぷよ風のツヤ（左上のハイライト） */
.cell.filled::before {
  content: "";
  position: absolute;
  top: 16%; left: 18%;
  width: 30%; height: 24%;
  border-radius: 50%;
  background: rgba(255,255,255,.65);
  filter: blur(1px);
  pointer-events: none;
}
.cell.active {
  box-shadow:
    inset 0 -5px 0 rgba(0,0,0,.13),
    inset 0 3px 0 rgba(255,255,255,.6),
    0 0 0 3px rgba(255,255,255,.55),
    0 4px 8px rgba(120,100,150,.25);
}

.cell.n1 { --c: var(--n1); }
.cell.n2 { --c: var(--n2); }
.cell.n3 { --c: var(--n3); }
.cell.n4 { --c: var(--n4); }
.cell.n5 { --c: var(--n5); }
.cell.n6 { --c: var(--n6); }
.cell.n7 { --c: var(--n7); color: #8a5a12; text-shadow: 0 1px 0 rgba(255,255,255,.4); }
.cell.n7::before { background: rgba(255,255,255,.8); }

.cell.clearing {
  animation: pop .46s ease forwards;
  z-index: 3;
}
@keyframes pop {
  /* どのマスが消えるか分かるよう、白フチ＋色フチでしっかり溜める */
  0%   { transform: scale(1);    filter: brightness(1); }
  18%  { transform: scale(1.16); filter: brightness(1.3) saturate(1.2);
         box-shadow: 0 0 0 3px #fff, 0 0 0 7px var(--c), 0 0 16px 4px var(--c); }
  58%  { transform: scale(1.16); filter: brightness(1.3) saturate(1.2);
         box-shadow: 0 0 0 3px #fff, 0 0 0 7px var(--c), 0 0 16px 4px var(--c); }
  100% { transform: scale(.15);  filter: brightness(1.6); opacity: 0;
         box-shadow: 0 0 0 2px #fff, 0 0 22px 8px var(--c); }
}

/* ===== サイド ===== */
.side { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.panel {
  background: #fff;
  border: 2.5px solid #ffe1ee;
  border-radius: 16px;
  padding: 12px 14px;
  box-shadow: 0 4px 0 #f4e4ee;
}
.panel-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.panel.small { padding: 10px 12px; }
.panel-label {
  font-family: "Mochiy Pop One", sans-serif;
  font-size: 10px; letter-spacing: .14em; color: var(--muted); margin-bottom: 5px;
}
.panel-value {
  font-family: "Mochiy Pop One", sans-serif;
  font-size: 27px; color: #ff7eb6; line-height: 1;
}
.panel.small .panel-value { font-size: 21px; }
.panel.small:nth-of-type(2) .panel-value { color: #5aa9f4; }

.next-wrap { display: flex; gap: 14px; align-items: flex-start; margin-top: 6px; }
/* 盤面と同じ正方マスでプレビュー（横長にしない） */
.next {
  --pc: 30px;
  display: grid;
  grid-template-columns: repeat(4, var(--pc));
  grid-template-rows: repeat(2, var(--pc));
  gap: 4px;
}
.next.small { --pc: 23px; }       /* ネクネク（2手先）は少し小さく */
.next .pcell {
  border-radius: 6px;
  display: grid; place-items: center;
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-weight: 800;
  font-size: calc(var(--pc) * 0.62); color: #fff;
  box-shadow: inset 0 -2px 0 rgba(0,0,0,.12), inset 0 1px 0 rgba(255,255,255,.5);
}
.next .pcell.empty { background: transparent !important; box-shadow: none; }

.rules {
  background: #fff;
  border: 2.5px solid #d9ecff;
  border-radius: 16px;
  padding: 12px 14px;
  box-shadow: 0 4px 0 #e6f0fb;
}
.rules h3 {
  font-family: "Mochiy Pop One", sans-serif;
  font-size: 13px; color: #5aa9f4;
  margin-bottom: 9px;
}
.rules ul { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.rules li { font-size: 12.5px; line-height: 1.55; color: #6f6385; padding-left: 16px; position: relative; }
.rules li::before { content: "♥"; position: absolute; left: 0; color: #ff9ecb; font-size: 11px; top: 2px; }
.rules b { color: #ff7eb6; }
.seven-c { color: #f0a91e !important; }

/* ===== ボタン ===== */
.btn-main {
  width: 100%;
  font-family: "Mochiy Pop One", sans-serif;
  font-size: 17px; letter-spacing: .06em;
  color: #fff;
  background: linear-gradient(180deg, #ffa6d3 0%, #ff7eb6 100%);
  border: none; border-radius: 18px;
  padding: 14px 18px; min-height: 48px; cursor: pointer;
  box-shadow: 0 6px 0 #e85f9c, 0 10px 16px rgba(230,95,156,.3);
  text-shadow: 0 1px 1px rgba(180,60,120,.3);
  transition: transform .08s, box-shadow .08s;
}
.btn-main:active { transform: translateY(4px); box-shadow: 0 2px 0 #e85f9c, 0 4px 8px rgba(230,95,156,.3); }
.btn-ghost {
  font-family: "Mochiy Pop One", sans-serif;
  font-size: 13px; color: #9bb8e8;
  background: #fff;
  border: 2.5px solid #d9ecff;
  border-radius: 14px; padding: 12px; min-height: 48px; cursor: pointer;
  box-shadow: 0 4px 0 #e6f0fb;
}
.btn-ghost:active { transform: translateY(3px); box-shadow: 0 1px 0 #e6f0fb; }

/* ===== オーバーレイ ===== */
.overlay {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  background: rgba(255,248,252,.82);
  backdrop-filter: blur(3px);
  border-radius: 18px;
  z-index: 5;
}
.overlay.hidden { display: none; }
.overlay-card {
  text-align: center; padding: 26px 24px; max-width: 320px;
  background: #fff;
  border: 3px solid #ffe1ee;
  border-radius: 22px;
  box-shadow: 0 12px 0 #f4e4ee, 0 18px 30px rgba(180,140,200,.25);
}
.overlay-logo {
  font-family: "Mochiy Pop One", sans-serif;
  font-size: 30px; margin-bottom: 14px;
  color: #ff7eb6;
  -webkit-text-stroke: 2px #fff; paint-order: stroke fill;
  text-shadow: 0 3px 0 rgba(255,170,205,.5);
}
.overlay-logo.over { color: #8aa9e8; text-shadow: 0 3px 0 rgba(170,195,235,.5); }
.overlay-lead { font-size: 14px; line-height: 1.75; color: #6f6385; margin-bottom: 20px; }
.overlay-lead b { color: #ff7eb6; font-size: 1.15em; }
.overlay-foot {
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 11px; color: var(--muted); margin-top: 16px; line-height: 1.7;
}

/* ===== タッチパッド（モバイル） ===== */
.touchpad { display: none; gap: 10px; margin-top: 14px; }
.pad {
  flex: 1;
  font-size: 26px; color: #ff7eb6;
  background: #fff;
  border: 2.5px solid #ffe1ee;
  border-radius: 18px; min-height: 66px; cursor: pointer;
  box-shadow: 0 5px 0 #f4e4ee;
}
.pad.wide { flex: 1.8; font-family: "Mochiy Pop One", sans-serif; font-size: 17px; color: #fff; background: linear-gradient(180deg,#ffa6d3,#ff7eb6); border-color: #ff9ecb; box-shadow: 0 5px 0 #e85f9c; }
.pad:active { transform: translateY(3px); box-shadow: 0 2px 0 #f4e4ee; }
.pad.wide:active { box-shadow: 0 2px 0 #e85f9c; }

/* ===== レスポンシブ ===== */
@media (max-width: 720px) {
  /* ゲーム全体を1画面に収め、操作ボタンが常にファーストビューに入るようにする */
  body { padding: 6px; align-items: stretch; }
  .machine {
    height: calc(100dvh - 12px);
    display: flex;
    flex-direction: column;
    padding: 8px 10px;
    border-radius: 18px;
  }

  /* 上部を詰める */
  .topbar { margin-bottom: 7px; padding: 2px 2px 0; }
  .title-jp { font-size: 21px; -webkit-text-stroke-width: 2px; }
  .title-en { font-size: 9px; margin-top: 4px; letter-spacing: .3em; }
  .lamp { gap: 6px; }
  .lamp .seven { width: 30px; height: 30px; font-size: 15px;
    box-shadow: 0 4px 0 #e7a52f, 0 6px 9px rgba(220,160,40,.28), inset 0 2px 3px rgba(255,255,255,.7); }
  .lamp .seven:nth-child(2) { box-shadow: 0 4px 0 #e0589a, 0 6px 9px rgba(230,100,160,.28), inset 0 2px 3px rgba(255,255,255,.7); }
  .lamp .seven:nth-child(3) { box-shadow: 0 4px 0 #2aa6a7, 0 6px 9px rgba(60,190,190,.28), inset 0 2px 3px rgba(255,255,255,.7); }

  .play { flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; gap: 7px; }
  .rules { display: none; }
  #pauseBtn { display: none; }

  /* 情報帯：コンパクトに（盤面の上に1〜2段で収める） */
  .side {
    order: -1;
    flex: 0 0 auto;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 7px;
  }
  .side .panel { box-shadow: 0 2px 0 #f4e4ee; padding: 5px 10px; border-width: 2px; }
  .panel:has(#score) { flex: 1 1 78px; }
  .panel-row { flex: 1.4 1 140px; gap: 7px; }
  .panel:has(#next) { flex: 1 1 100%; }
  .panel-label { font-size: 8.5px; letter-spacing: .04em; margin-bottom: 1px; }
  .panel-value { font-size: 18px; }
  .panel.small .panel-value { font-size: 15px; }
  .next-wrap { gap: 14px; margin-top: 4px; }
  .next { --pc: 24px; gap: 3px; }
  .next.small { --pc: 18px; }
  .next .pcell { border-radius: 6px; }

  /* 盤面：残りの高さ・幅に収まるようセルを自動スケール */
  .board-wrap {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }
  .board {
    --cell: min(calc((100vw - 62px) / 6), calc((100dvh - 330px) / 13));
    padding: 6px;
    gap: 3px;
    border-radius: 16px;
    box-shadow: inset 0 3px 10px rgba(150,140,190,.18), 0 4px 0 #f3e3ee;
  }
  .cell { font-size: calc(var(--cell) * 0.5); border-radius: calc(var(--cell) * 0.28); }

  .touchpad { display: flex; flex: 0 0 auto; margin-top: 8px; }
  .pad { min-height: 58px; font-size: 23px; }
  .pad.wide { font-size: 16px; }
}