/* ============================================================
   正多角形の対角線描画 v3.0.0
   固定ヘッダー＋全画面メインエリア＋右下ツールバー（速さ/色/設定/再生集約）
   ＋起動時モーダル（図形ギャラリー選択）
   全て .pdd-wrap 配下にスコープ
   ============================================================ */

.pdd-wrap, .pdd-wrap * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
.pdd-wrap{
  --main: #1e3a5f;
  --main-light: #2d5a8f;
  --main-dark: #0f1e3a;
  --accent: #d4af37;
  --accent-light: #f4cf5f;
  --accent-dark: #b8941f;
  --text: #2C3E50;
  --text-light: #7F8C8D;
  --border: #E8E8E8;

  font-family: 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', sans-serif;
  color: var(--text);
}

.pdd-container{
  position: relative;
  background: #8393a7; /* 参考画像から抽出した落ち着いたブルーグレー */
  min-height: 100vh;
  overflow: hidden;
  width: 100vw;
  margin-left: calc(50% - 50vw); /* テーマの本文カラム幅に閉じ込められないよう画面全幅に */
  display: flex;
  flex-direction: column;
}

/* ---------- 固定ヘッダー ---------- */
.pdd-wrap .pdd-header{
  flex-shrink: 0;
  display: flex; align-items: center; gap: 16px;
  padding: 12px 20px;
  background: var(--main);
  color: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,.15);
}
.pdd-wrap .pdd-title-bar{
  margin: 0; font-size: 17px; font-weight: 900; letter-spacing: .02em;
  white-space: nowrap;
}
.pdd-wrap .pdd-instruction{
  flex: 1; text-align: right; font-size: 13px; font-weight: 600;
  opacity: .9; white-space: nowrap;
}
.pdd-wrap .pdd-header-right{
  font-size: 13px; font-weight: 700;
  background: rgba(255,255,255,.14);
  border-radius: 999px; padding: 4px 14px;
  min-width: 40px; text-align: center;
  white-space: nowrap;
}

/* ---------- 全画面メインエリア ---------- */
.pdd-wrap .pdd-main{
  flex: 1; min-height: 0;
  display: flex; align-items: stretch; justify-content: center; /* 修正: centerだとheight:100%が解決されないためstretchに変更 */
  padding: 16px;
  box-sizing: border-box;
}
.pdd-wrap .pdd-canvas-card{
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0,0,0,.15);
  padding: 16px;
  position: relative;
  flex: 1; /* 修正: height:100%の代わりにflex:1で高さを確保（この方式でないと正しく高さが伝わらない） */
  box-sizing: border-box;
  max-width: 1400px;
  display: flex; align-items: stretch; justify-content: center; /* 修正: centerだとcellの高さが伝わらないためstretchに変更 */
  gap: 0;
}
.pdd-wrap .pdd-canvas-cell{
  flex: 1;
  min-width: 0;
  display: flex; align-items: center; justify-content: center;
}
.pdd-wrap .pdd-canvas-cell.pdd-hidden{ display: none; }

/* 修正: 2図形選択時に表示する仕切り線 */
.pdd-wrap .pdd-canvas-divider{
  width: 2px;
  align-self: stretch;
  margin: 24px 8px;
  background: var(--border);
  display: none;
}
.pdd-wrap .pdd-canvas-divider.pdd-active{ display: block; }

.pdd-wrap .pdd-canvas-card canvas{
  max-width: 100%; max-height: 100%;
  display: block;
  border-radius: 8px;
}
.pdd-wrap .pdd-canvas-hud{
  position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%);
  background: rgba(15,23,42,.06);
  border-radius: 999px; padding: 6px 16px;
  font-size: 13px; font-weight: 700; color: var(--text);
  white-space: nowrap;
  min-height: 1.2em;
}

/* ---------- 右下 縦型ツールバー（速さ/色/設定/再生を集約） ---------- */
.pdd-wrap .pdd-toolbar{
  position: fixed; right: 20px; bottom: 20px;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  z-index: 50;
}
.pdd-wrap .pdd-toolbar-panel{
  background: #fff;
  border-radius: 14px;
  padding: 10px 12px;
  box-shadow: 0 4px 14px rgba(0,0,0,.18);
}
.pdd-wrap .pdd-toolbar-label{
  font-size: 11px; font-weight: 800; color: var(--text);
  text-align: center; margin-bottom: 8px;
}

/* 修正: 速さスライダーを縦向きに変更 */
.pdd-wrap .pdd-speed-panel{
  width: 54px;
  display: flex; flex-direction: column; align-items: center;
}
.pdd-wrap .pdd-speed-vertical-wrap{
  height: 120px;
  display: flex; align-items: center; justify-content: center;
}
.pdd-wrap .pdd-speed-range-vertical{
  -webkit-appearance: slider-vertical;
  appearance: slider-vertical;
  writing-mode: vertical-lr;
  direction: rtl; /* 下が遅い・上が速い、になるよう向きを揃える */
  width: 6px;
  height: 110px;
  border-radius: 999px;
  background: var(--border);
  outline: none;
  cursor: pointer;
}
.pdd-wrap .pdd-speed-range-vertical::-webkit-slider-thumb{
  -webkit-appearance: none; appearance: none;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--main); cursor: pointer;
  box-shadow: 0 2px 5px rgba(0,0,0,.3);
}
.pdd-wrap .pdd-speed-range-vertical::-moz-range-thumb{
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--main); border: none; cursor: pointer;
  box-shadow: 0 2px 5px rgba(0,0,0,.3);
}

/* 修正: 色ボタン→ポップアップ方式 */
.pdd-wrap .pdd-color-wrap{ position: relative; }
.pdd-wrap .pdd-color-swatch-icon{
  display: block;
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.9);
}
.pdd-wrap .pdd-color-popup{
  position: absolute;
  right: 66px; bottom: 0;
  background: #fff;
  border-radius: 14px;
  padding: 10px;
  box-shadow: 0 6px 20px rgba(0,0,0,.22);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  opacity: 0; pointer-events: none;
  transform: translateX(8px);
  transition: opacity .15s, transform .15s;
}
.pdd-wrap .pdd-color-popup.pdd-show{
  opacity: 1; pointer-events: auto;
  transform: translateX(0);
}

.pdd-wrap .pdd-toolbar button:not(.pdd-color-button){
  width: 54px; height: 54px; border-radius: 50%;
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  background: #fff; color: var(--main);
  box-shadow: 0 4px 14px rgba(0,0,0,.2);
  transition: transform .15s, box-shadow .15s, background .15s, color .15s;
}
.pdd-wrap .pdd-toolbar button:not(.pdd-color-button):hover{ transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,.28); }
.pdd-wrap .pdd-toolbar button:not(.pdd-color-button):active{ transform: translateY(0); }
.pdd-wrap .pdd-toolbar button.pdd-primary{ background: var(--accent); color: var(--main-dark); }

.pdd-wrap .pdd-color-button{
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s, border-color .15s;
  padding: 0;
}
.pdd-wrap .pdd-color-button:hover{ transform: scale(1.15); }
.pdd-wrap .pdd-color-button.pdd-selected{
  border-color: var(--main);
  box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--main);
}
.pdd-wrap .pdd-black  { background-color: #2c3e50; }
.pdd-wrap .pdd-red    { background-color: #e74c3c; }
.pdd-wrap .pdd-blue   { background-color: #3498db; }
.pdd-wrap .pdd-green  { background-color: #27ae60; }
.pdd-wrap .pdd-purple { background-color: #9b59b6; }
.pdd-wrap .pdd-orange { background-color: #e67e22; }

/* ---------- 起動時＆設定変更モーダル ---------- */
.pdd-wrap .pdd-modal-overlay{
  position: fixed; inset: 0;
  background: rgba(15, 23, 42, .35);
  display: flex; align-items: center; justify-content: center;
  z-index: 200;
  opacity: 0; pointer-events: none;
  transition: opacity .2s;
  padding: 20px;
}
.pdd-wrap .pdd-modal-overlay.pdd-show{ opacity: 1; pointer-events: auto; }

.pdd-wrap .pdd-modal{
  background: #fff;
  border-radius: 20px;
  padding: 32px 36px;
  width: min(640px, 92vw);
  max-height: 88vh;
  overflow: auto;
  box-shadow: 0 24px 60px rgba(0,0,0,.3);
  text-align: center;
}
.pdd-wrap .pdd-step-badge{
  display: inline-block;
  background: var(--accent);
  color: var(--main-dark);
  font-size: 12px; font-weight: 900;
  padding: 5px 16px; border-radius: 999px;
  margin-bottom: 14px;
}
.pdd-wrap .pdd-modal-title{
  font-size: 22px; font-weight: 900; color: var(--main);
  margin-bottom: 8px;
}
.pdd-wrap .pdd-modal-subtitle{
  font-size: 13px; color: var(--text-light); font-weight: 600;
  margin-bottom: 22px;
}

/* 図形ギャラリー */
.pdd-wrap .pdd-shape-gallery{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
  gap: 10px;
  margin-bottom: 26px;
}
.pdd-wrap .pdd-shape-btn{
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 10px 6px;
  border: 2px solid var(--border);
  border-radius: 14px;
  background: #fff;
  cursor: pointer;
  transition: all .15s ease;
}
.pdd-wrap .pdd-shape-btn:hover{
  border-color: var(--accent);
  background: #fffcf5;
}
.pdd-wrap .pdd-shape-btn.pdd-selected{
  border-color: var(--main);
  background: var(--main);
}
.pdd-wrap .pdd-shape-btn.pdd-selected svg polygon{
  stroke: var(--accent-light);
}
.pdd-wrap .pdd-shape-btn.pdd-selected .pdd-shape-label{
  color: #fff;
}
.pdd-wrap .pdd-shape-label{
  font-size: 11px; font-weight: 800; color: var(--text);
}

.pdd-wrap .pdd-modal-draw-btn{
  width: 100%;
  padding: 16px;
  border: none; border-radius: 50px;
  font-size: 17px; font-weight: 900;
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
  color: var(--main-dark);
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(212, 175, 55, 0.35);
  transition: all .2s;
}
.pdd-wrap .pdd-modal-draw-btn:hover:not(:disabled){
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(212, 175, 55, 0.45);
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
}
.pdd-wrap .pdd-modal-draw-btn:disabled{
  background: #cfd8dc; color: #90a4ae; cursor: not-allowed; box-shadow: none;
}

/* ---------- レスポンシブ対応 ---------- */
@media (max-width: 768px){
  .pdd-wrap .pdd-instruction{ display: none; }
  .pdd-wrap .pdd-title-bar{ font-size: 15px; }
  .pdd-wrap .pdd-canvas-card canvas{ max-height: 100%; }
  .pdd-wrap .pdd-speed-panel{ width: 46px; }
  .pdd-wrap .pdd-speed-vertical-wrap{ height: 90px; }
  .pdd-wrap .pdd-speed-range-vertical{ height: 80px; }
  .pdd-wrap .pdd-shape-gallery{ grid-template-columns: repeat(auto-fill, minmax(70px, 1fr)); }
}