/* ------------------------------------------------------------
   style.css
   中性浮力トレーニングゲーム Stage1 の見た目を定義する。
   水中らしい深いブルー系＋ダイブコンピューター風のHUDを基調にしている。
------------------------------------------------------------ */

:root{
  --abyss:#04141f;
  --midwater:#0a3a55;
  --shallow:#3fa9c9;
  --foam:#dff4f5;
  --amber:#ffb454;
  --cyan:#37e6d6;
  --danger:#ff5c5c;
  --panel-bg:rgba(4,20,32,0.80);
  --panel-border:rgba(55,230,214,0.28);
  --text-main:#eaf6f8;
  --text-dim:#8fb8c2;
  --sans: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Yu Gothic", system-ui, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Courier New", monospace;
}

*{ box-sizing:border-box; }

html, body{
  margin:0; padding:0; width:100%; height:100%; overflow:hidden;
  background:var(--abyss); color:var(--text-main); font-family:var(--sans);
  -webkit-tap-highlight-color:transparent; user-select:none;
}

#app{ position:fixed; inset:0; width:100%; height:100%; }

.screen{ position:absolute; inset:0; width:100%; height:100%; }

/* ---------------- 共通パネル・ボタン ---------------- */

.panel{
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  width:min(92vw, 440px); max-height:90vh; overflow-y:auto;
  background:var(--panel-bg); border:1px solid var(--panel-border);
  border-radius:18px; padding:26px 22px; box-shadow:0 20px 60px rgba(0,0,0,0.5);
}

.panel h1{ font-size:1.3rem; margin:0 0 10px; color:var(--foam); letter-spacing:0.02em; }
.panel .lead{ font-size:0.86rem; color:var(--text-dim); line-height:1.6; margin:0 0 20px; }

.field{ margin-bottom:18px; }
.field label{ display:block; font-size:0.78rem; color:var(--cyan); margin-bottom:8px; letter-spacing:0.04em; }

.segmented{ display:flex; gap:6px; }
.segmented button{
  flex:1; padding:10px 4px; font-size:0.85rem; border-radius:10px;
  border:1px solid var(--panel-border); background:rgba(255,255,255,0.03);
  color:var(--text-main); font-family:var(--sans); cursor:pointer;
}
.segmented button.active{ background:var(--cyan); color:#04202a; border-color:var(--cyan); font-weight:700; }

.hint{ font-size:0.72rem; color:var(--text-dim); margin-top:8px; line-height:1.5; }

.primary-btn{
  width:100%; padding:14px; margin-top:6px; border:none; border-radius:12px;
  background:var(--amber); color:#2a1500; font-weight:700; font-size:1rem;
  letter-spacing:0.03em; cursor:pointer; box-shadow:0 6px 20px rgba(255,180,84,0.25);
}
.primary-btn:active{ transform:translateY(1px); }

.ghost-btn{
  padding:9px 14px; border-radius:10px; border:1px solid var(--panel-border);
  background:rgba(255,255,255,0.04); color:var(--text-main); font-size:0.78rem; cursor:pointer;
}

.small-row{ display:flex; gap:8px; justify-content:center; flex-wrap:wrap; }
.small-row .ghost-btn{ flex:1 1 150px; font-size:0.68rem; padding:8px 8px; line-height:1.4; }

.safety-note{
  margin-top:18px; font-size:0.68rem; color:var(--text-dim); line-height:1.6;
  border-top:1px solid var(--panel-border); padding-top:12px;
}

/* ---------------- ゲーム画面 ---------------- */

#scene{ position:absolute; inset:0; width:100%; height:100%; display:block; }

.hud-panel{
  position:absolute; z-index:5;
  background:var(--panel-bg); border:1px solid var(--panel-border); border-radius:14px;
  padding:10px 14px; box-shadow:0 8px 24px rgba(0,0,0,0.4);
}
#targetTicker{ top:14px; left:50%; transform:translateX(-50%); }
#hud{ top:14px; left:14px; min-width:150px; }
#debugPanel{ top:14px; right:14px; min-width:170px; font-size:0.68rem; color:var(--text-dim); }

.hud-row{ display:flex; justify-content:space-between; gap:14px; font-size:0.78rem; padding:2px 0; }
.hud-label{ color:var(--text-dim); }
.hud-value{ font-family:var(--mono); color:var(--amber); font-weight:600; }
.mono .hud-row span{ font-family:var(--mono); }

#gameIconRow{
  position:absolute; bottom:112px; right:14px; z-index:6;
  display:flex; gap:8px;
}
.icon-toggle{
  width:38px; height:38px; border-radius:50%; border:1px solid var(--panel-border);
  background:var(--panel-bg); color:var(--text-main); font-size:1rem; cursor:pointer;
}

#controls{
  position:absolute; bottom:0; left:0; right:0; z-index:6;
  display:flex; gap:12px; padding:16px; padding-bottom:calc(16px + env(safe-area-inset-bottom));
}
.bc-btn{
  flex:1; padding:18px 6px; border-radius:16px; border:1px solid var(--panel-border);
  background:var(--panel-bg); color:var(--text-main); font-family:var(--sans);
  font-size:0.95rem; font-weight:700; display:flex; flex-direction:column; align-items:center;
  gap:4px; cursor:pointer; touch-action:none;
}
.bc-btn .bc-icon{ font-size:1.5rem; }
.bc-btn.inflate.active{ background:rgba(55,230,214,0.25); border-color:var(--cyan); }
.bc-btn.deflate.active{ background:rgba(255,180,84,0.25); border-color:var(--amber); }

/* ---------------- 結果画面 ---------------- */

.result-panel{ text-align:center; }
.rank{
  font-family:var(--mono); font-size:3rem; font-weight:800; color:var(--amber);
  text-shadow:0 0 16px rgba(255,180,84,0.5); margin:4px 0;
}
.score-big{ font-family:var(--mono); font-size:1.6rem; color:var(--foam); margin-bottom:14px; }
.score-unit{ font-size:0.9rem; color:var(--text-dim); margin-left:4px; }

.result-table{ text-align:left; margin:14px 0; }
.result-table .row{
  display:flex; justify-content:space-between; font-size:0.84rem;
  padding:6px 0; border-bottom:1px solid rgba(255,255,255,0.06); color:var(--text-dim);
}
.result-table .row span:last-child{ color:var(--foam); font-family:var(--mono); }

.comment{ font-size:0.8rem; color:var(--text-dim); line-height:1.7; margin:14px 0 18px; text-align:left; }

@media (max-width:380px){
  .panel{ padding:20px 16px; }
  .rank{ font-size:2.4rem; }
}