/* Falling Keys — Styles (v2.6.1) */
:root{
  --bg:#0b1020;
  --fg:#e8f0ff;
  --muted:#9bb0d0;
  --accent:#5ce1e6;
  --accent2:#a55cff;
  --danger:#ff4d6d;
  --good:#7ee787;
  --great:#53d3ff;
  --perfect:#ffd166;
  --panel:#121b36;
  --card:#0f1630;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  color:var(--fg);
  background: radial-gradient(1500px 800px at 70% -200px, #1a2141, transparent) , var(--bg);
  font-family: "Oxanium", system-ui, -apple-system, Segoe UI, Roboto, "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  letter-spacing:.02em;
  overflow-x:hidden;
}

.page{display:flex; flex-direction:column; min-height:100svh;}
.topbar{
  display:flex; justify-content:space-between; align-items:center;
  padding:12px 20px; background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(0,0,0,0));
}
.game-title{
  font-family:"Press Start 2P", monospace;
  font-size:22px; margin:0; letter-spacing:1px;
  text-shadow:0 2px 0 rgba(0,0,0,.4);
}
.hud{display:flex; align-items:center; gap:12px; flex-wrap:wrap}
.hud-item{
  background:var(--panel); border:1px solid rgba(255,255,255,.08); border-radius:12px;
  padding:6px 10px; display:flex; flex-direction:column; align-items:flex-start; min-width:88px;
  box-shadow:var(--shadow);
}
.hud-item span{font-size:12px; color:var(--muted)}
.hud-item strong{font-size:20px; line-height:1.1}

.ui-btn{
  background:linear-gradient(180deg, var(--accent), var(--accent2));
  color:#0b0f1e; font-weight:700; border:none; border-radius:14px;
  padding:10px 16px; cursor:pointer; box-shadow:var(--shadow); text-decoration:none; display:inline-block;
}
.ui-btn.ghost{
  background:transparent; color:var(--fg); border:1px solid rgba(255,255,255,.18);
}
.ui-btn.danger{ background:linear-gradient(180deg, var(--danger), #b30039); color:#fff; }
.ui-btn.tinybtn{ padding:6px 10px; font-size:12px; }
.ui-btn.wfull{ width:100%; }

.main{flex:1; display:grid; grid-template-columns: minmax(300px, 360px) 1fr; gap:16px; padding:0 16px 18px;}
.menu{
  background:rgba(255,255,255,.03); border:1px solid rgba(255,255,255,.08); border-radius:16px;
  padding:16px; box-shadow:var(--shadow); height:fit-content;
}
.menu h2{margin:6px 0 12px 0}
.difficulty-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:10px; margin-bottom:12px}
.diff-btn{ background:linear-gradient(180deg, #5ce1e6, #3aa7c1); border:none; color:#00242a; font-weight:800; border-radius:14px; padding:12px 0; cursor:pointer; font-size:18px }
.diff-btn.danger{ background:linear-gradient(180deg, #ff4d6d, #b30039); color:#fff }
.menu-hints{color:var(--muted); font-size:14px}
.menu-hints .bullet{margin:8px 0 0 18px}

.game-area{ display:flex; align-items:center; justify-content:center; }
.canvas-wrap{
  position:relative; width: 100%; max-width: 100%; aspect-ratio:16/9;
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  border:1px solid rgba(255,255,255,.08); border-radius:20px; overflow:hidden;
  box-shadow:var(--shadow);
 max-height: calc(100vh - 220px); }
.target-label{
  position:absolute; left:12px; bottom:110px; color:var(--muted); font-size:12px; letter-spacing:.15em
}
.results{
  grid-column:1 / -1; background:rgba(255,255,255,.03); border:1px solid rgba(255,255,255,.08);
  border-radius:16px; padding:16px; box-shadow:var(--shadow);
}
.hidden{display:none}
.results-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:12px}
.card{background:var(--card); border:1px solid rgba(255,255,255,.08); border-radius:16px; padding:14px}
.big{font-size:40px; font-weight:800}
.judges{list-style:none; margin:0; padding:0; display:grid; gap:8px}
.pill{display:inline-block; padding:.2em .6em; border-radius:999px; font-weight:800; font-size:12px}
.pill.perfect{background:var(--perfect); color:#2a1300}
.pill.great{background:var(--great); color:#002438}
.pill.good{background:var(--good); color:#003015}
.pill.miss{background:#ff8fa3; color:#3b0010}
.results-actions{display:flex; gap:10px; margin-top:8px}
.footer{display:flex; justify-content:center; padding:10px 0; color:var(--muted)}

.lb-wrap{ margin-top:12px }
.lb-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:12px }
.lb-list{ margin:0; padding-left:20px; display:grid; gap:4px }
.lb-list.compact{ padding-left: 16px; gap:2px; font-size:13px; max-height: 220px; overflow:hidden; }
.lb-note{ color:var(--muted); font-size:12px }
.tiny{ font-size:12px }
.muted{ color:var(--muted) }
.hidden{ display:none !important; }
#lbForm label{display:flex; gap:8px; align-items:center; margin-bottom:8px}
#lbForm input{ flex:1; padding:10px 12px; border-radius:10px; border:1px solid rgba(255,255,255,.18); background:#0c1430; color:#fff}

/* サイドのタブ式ランキング */
.side-lb{ margin-top:12px; background:var(--card); border:1px solid rgba(255,255,255,.08); border-radius:12px; padding:10px; }
.side-lb-tabs{ display:flex; align-items:center; gap:6px; margin-bottom:8px; }
.tab-btn{ background:transparent; color:var(--fg); border:1px solid rgba(255,255,255,.18); border-radius:10px; padding:6px 10px; cursor:pointer; }
.tab-btn.active{ background:linear-gradient(180deg, var(--accent), var(--accent2)); color:#0b0f1e; border:none; }
.side-lb .spacer{ flex:1; }

/* FULL WIDTH while playing */
.playing .main{ grid-template-columns: 1fr; padding: 0 8px 8px; }
/* keep the canvas within layout (no full-bleed to prevent scrolling) */
.playing .canvas-wrap{ max-height: calc(100vh - 150px);  width:100%; max-width:100%; border-radius:20px; }

/* Modal */
.modal{
  background:var(--card); color:var(--fg); border:1px solid rgba(255,255,255,.15);
  border-radius:16px; padding:16px; width:min(720px,90%);
}
.modal::backdrop{background:rgba(0,0,0,.6)}

/* Responsive */
@media (max-width: 980px){
  .main{grid-template-columns: 1fr}
  .menu{order:2}
  .game-area{order:1}
  .results-grid{grid-template-columns:1fr}
  .lb-grid{ grid-template-columns: 1fr }
}

/* Ensure canvas fills wrapper to keep TARGET line aligned */
.canvas-wrap > canvas{
  width:100%;
  height:100%;
  display:block;
}