/* =========================================================
   Circle Drawing Challenge v2.0.0（シンプルUI版）
   固定ヘッダー＋全画面キャンバス＋右下縦型ツールバー＋モーダル
   全て .cdc-root 配下にスコープ
   ========================================================= */

.cdc-root{
  --main:#1e3a5f; --main-light:#2d5a8f; --main-dark:#0f1e3a;
  --accent:#d4af37; --accent-light:#f4cf5f; --accent-dark:#b8941f;
  --text:#2C3E50; --text-light:#7F8C8D; --border:#E8E8E8;
  --warn:#f59e0b; --danger:#ef4444;
  --success:#dcfce7; --warning:#fef3c7; --error:#fee2e2;
  --font: system-ui, -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
}
.cdc-root, .cdc-root *{ box-sizing:border-box; }

.cdc-root{
  font-family:var(--font);
  color:var(--text);
  background:linear-gradient(135deg,#0ea5e9,#6366f1,#8b5cf6);
  min-height:100vh; /* Blank Page等、単独ページ運用を想定 */
  position:relative;
  overflow:hidden;
}

/* ---------- 全体レイアウト ---------- */
.cdc-root .cdc-app{
  height:100vh; display:flex; flex-direction:column;
}

/* ---------- 固定ヘッダー ---------- */
.cdc-root .cdc-header{
  flex-shrink:0;
  display:flex; align-items:center; justify-content:space-between;
  gap:16px;
  padding:14px 20px;
  background:var(--main);
  color:#fff;
  box-shadow:0 2px 10px rgba(0,0,0,.15);
}
.cdc-root .cdc-title{
  margin:0; font-size:18px; font-weight:900; letter-spacing:.02em;
  white-space:nowrap;
}
.cdc-root .cdc-instruction{
  flex:1; text-align:center; font-size:14px; font-weight:600;
  opacity:.92; white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.cdc-root .cdc-status{ flex-shrink:0; }
.cdc-root .cdc-score-pill{
  display:inline-flex; align-items:center; justify-content:center;
  min-width:52px; padding:6px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.14);
  font-size:20px; font-weight:900; /* 修正: 元のサイズに戻す */
  line-height:1;
  transition:background .2s, color .2s;
}
.cdc-root .cdc-score-pill.cdc-score-excellent{ background:var(--accent); color:var(--main-dark); }
.cdc-root .cdc-score-pill.cdc-score-good{ background:var(--success); color:#166534; }
.cdc-root .cdc-score-pill.cdc-score-average{ background:var(--warning); color:#92400e; }
.cdc-root .cdc-score-pill.cdc-score-poor{ background:var(--error); color:#991b1b; }

/* ---------- キャンバスエリア ---------- */
.cdc-root .cdc-canvas-area{
  flex:1; min-height:0;
  display:flex; align-items:center; justify-content:center;
  padding:20px;
  position:relative;
}
.cdc-root .cdc-canvas-card{
  width:100%; height:100%;
  background:#fff; border-radius:16px;
  box-shadow:0 8px 24px rgba(0,0,0,.15);
  position:relative;
  overflow:hidden;
}
.cdc-root .cdc-canvas{
  width:100%; height:100%;
  display:block;
  touch-action:none;
  cursor:crosshair;
  background:linear-gradient(135deg,#fff 0%,#FAFAFA 60%,#F5F5F5 100%);
}

.cdc-root .cdc-canvas-hud{
  position:absolute; top:16px; left:16px;
  background:rgba(15,23,42,.06);
  border-radius:12px; padding:10px 14px;
  font-size:13px; color:#475569; font-weight:600;
  line-height:1.6; pointer-events:none;
}
.cdc-root .cdc-canvas-hud .cdc-val{ color:#0f172a; font-weight:800; font-size:15px; }

/* 修正: 採点結果をキャンバス中央に大きく表示するフェイド演出 */
.cdc-root .cdc-score-center{
  position:absolute; top:50%; left:50%;
  transform:translate(-50%,-50%);
  font-size:120px; font-weight:900; line-height:1;
  color:var(--main);
  text-shadow:0 4px 24px rgba(0,0,0,.15);
  pointer-events:none;
  opacity:0;
  transition:opacity .6s ease;
  z-index:30;
}
.cdc-root .cdc-score-center.cdc-show{ opacity:1; }
.cdc-root .cdc-score-center.cdc-score-excellent{ color:var(--accent-dark); }
.cdc-root .cdc-score-center.cdc-score-good{ color:#16a34a; }
.cdc-root .cdc-score-center.cdc-score-average{ color:var(--warn); }
.cdc-root .cdc-score-center.cdc-score-poor{ color:var(--danger); }

/* ---------- 実績通知 ---------- */
.cdc-root .cdc-achievement{
  position:fixed; top:20px; right:20px;
  background:linear-gradient(135deg, var(--main), var(--main-dark));
  border-top:3px solid var(--accent);
  border-bottom:3px solid var(--accent);
  color:#fff;
  padding:14px 18px;
  border-radius:16px;
  box-shadow:0 12px 30px rgba(30,58,95,0.25);
  transform:translateX(420px);
  transition:transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  z-index:1000;
  pointer-events:none;
  max-width:320px;
}
.cdc-root .cdc-achievement.cdc-show{ transform:translateX(0); }

/* ---------- 右下 縦型アイコンツールバー ---------- */
.cdc-root .cdc-toolbar{
  position:fixed; right:20px; bottom:20px;
  display:flex; flex-direction:column; gap:14px;
  z-index:50;
}
.cdc-root .cdc-toolbar button{
  width:54px; height:54px; border-radius:50%;
  border:none; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  font-size:24px;
  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;
}
.cdc-root .cdc-toolbar button:hover{ transform:translateY(-2px); box-shadow:0 6px 18px rgba(0,0,0,.28); }
.cdc-root .cdc-toolbar button:active{ transform:translateY(0); }
.cdc-root .cdc-toolbar button.cdc-primary{ background:var(--accent); color:var(--main-dark); }
.cdc-root .cdc-toolbar button[aria-pressed="true"]{ background:var(--main); color:#fff; }

/* ---------- モーダル（記録） ---------- */
.cdc-root .cdc-modal-overlay{
  position:fixed; inset:0; background:rgba(15,23,42,.55);
  display:flex; align-items:center; justify-content:center;
  z-index:100;
  opacity:0; pointer-events:none; transition:opacity .2s;
}
.cdc-root .cdc-modal-overlay.cdc-open{ opacity:1; pointer-events:auto; }
.cdc-root .cdc-modal{
  background:#fff; border-radius:16px; padding:24px;
  width:min(360px, 90vw);
  box-shadow:0 20px 50px rgba(0,0,0,.3);
}
.cdc-root .cdc-modal h2{ margin:0 0 16px 0; font-size:18px; font-weight:900; color:var(--main); }
.cdc-root .cdc-stat-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:10px;
  margin-bottom:16px;
}
.cdc-root .cdc-stat-item{
  background:#f8fafc; border:1px solid var(--border); border-radius:12px;
  padding:10px; text-align:center;
}
.cdc-root .cdc-stat-label{ font-size:10px; color:var(--text-light); font-weight:800; text-transform:uppercase; letter-spacing:.03em; }
.cdc-root .cdc-stat-value{ font-size:20px; font-weight:900; color:var(--text); margin-top:4px; }
.cdc-root .cdc-hint{
  font-size:12px; color:var(--text-light);
  background:#f8fafc; padding:10px 12px; border-radius:10px;
  border:1px solid var(--border); border-left:4px solid var(--accent);
}
.cdc-root .cdc-modal-actions{ margin-top:16px; }
.cdc-root .cdc-modal-actions button{
  width:100%; border:none; border-radius:10px; padding:12px; font-weight:800;
  font-size:14px; cursor:pointer; background:#f1f5f9; color:var(--main);
}

@media (max-width:640px){
  .cdc-root .cdc-instruction{ display:none; }
  .cdc-root .cdc-title{ font-size:15px; }
  .cdc-root .cdc-stat-grid{ grid-template-columns:1fr; }
}