/* style.css — Tetris Barrage */
:root{
  --bg:#06080f;
  --bg2:#0b1020;
  --panel:#111a2e;
  --panel2:#0d1424;
  --line:#1e2a44;
  --txt:#e6edf7;
  --muted:#8a98b4;
  --accent:#36e0e0;
  --accent2:#c64bf0;
  --warn:#f4d23c;
  --danger:#f0533f;
  --good:#3dd66a;
  --shadow:0 10px 30px rgba(0,0,0,.5);
  color-scheme:dark;
}
html[data-theme="light"]{
  --bg:#eef2f8; --bg2:#e2e8f3; --panel:#ffffff; --panel2:#f4f7fb;
  --line:#d6deec; --txt:#0d1626; --muted:#5a6987;
  --accent:#0a9aa8; --accent2:#8b2fb8; --shadow:0 10px 30px rgba(20,30,60,.15);
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{
  background:radial-gradient(1200px 700px at 70% -10%, var(--bg2), var(--bg) 60%);
  color:var(--txt);
  font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;
  overflow:hidden;
  touch-action:manipulation;
  -webkit-font-smoothing:antialiased;
}

.app{
  height:100%;
  display:flex;
  flex-direction:column;
  max-width:980px;
  margin:0 auto;
  padding:14px 16px 18px;
}

.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.brand{display:flex;align-items:center;gap:12px}
.logo{
  width:42px;height:42px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  border-radius:11px;font-size:22px;color:#04111a;font-weight:800;
  box-shadow:0 6px 18px rgba(54,224,224,.35);
}
.topbar h1{font-size:18px;margin:0;letter-spacing:.14em;font-weight:800}
.tag{margin:2px 0 0;font-size:12px;color:var(--muted)}
.pill{
  font-size:11px;letter-spacing:.18em;font-weight:700;
  padding:6px 12px;border-radius:999px;
  background:var(--panel);border:1px solid var(--line);
  color:var(--accent);
}

.stage{
  flex:1;
  display:grid;
  grid-template-columns:auto 220px;
  gap:16px;
  align-items:start;
  min-height:0;
}
.play{
  position:relative;
  background:linear-gradient(180deg,var(--panel),var(--panel2));
  border:1px solid var(--line);
  border-radius:16px;
  padding:10px;
  box-shadow:var(--shadow);
  display:flex;justify-content:center;
}
#board{
  display:block;
  width:auto;
  height:min(72vh,560px);
  max-width:100%;
  border-radius:10px;
  background:#0b0f1a;
  touch-action:none;
}

.hud{display:flex;flex-direction:column;gap:10px}
.panel{
  background:linear-gradient(180deg,var(--panel),var(--panel2));
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px;
}
.label{font-size:10px;letter-spacing:.2em;color:var(--muted);font-weight:700;margin-bottom:8px}
.muted{color:var(--muted)}
#next{display:block;width:100%;height:auto;background:transparent}

.stats{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.stat .val{font-size:20px;font-weight:800;color:var(--txt);font-variant-numeric:tabular-nums}
.stat .label{margin-bottom:2px}

.bar{height:10px;border-radius:999px;background:#0a1124;border:1px solid var(--line);overflow:hidden}
.barfill{height:100%;width:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .15s linear;border-radius:999px}
html[data-theme="light"] .bar{background:#e2e8f3}

.controls ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.controls li{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px;flex-wrap:wrap}
kbd{
  font-family:inherit;font-size:11px;font-weight:700;
  background:#0a1124;border:1px solid var(--line);
  border-bottom-width:2px;border-radius:6px;padding:2px 6px;color:var(--txt);
}
html[data-theme="light"] kbd{background:#eef2f8}

.touchpad{
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:8px;
  background:transparent;border:none;padding:0;
}
.tbtn{
  -webkit-appearance:none;appearance:none;
  border:1px solid var(--line);background:var(--panel);
  color:var(--txt);font-size:16px;font-weight:700;
  padding:14px 0;border-radius:12px;cursor:pointer;
  transition:transform .06s ease, background .15s, border-color .15s;
  touch-action:manipulation;user-select:none;
}
.tbtn:active{transform:translateY(1px) scale(.98);background:var(--panel2)}
.tbtn.fire{grid-column:1/4;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04111a;border:none;font-size:14px;letter-spacing:.1em}

.overlay{
  position:absolute;inset:0;display:none;align-items:center;justify-content:center;
  background:rgba(4,8,16,.78);backdrop-filter:blur(4px);
  border-radius:16px;z-index:5;
}
.card{
  width:78%;max-width:300px;text-align:center;
  background:linear-gradient(180deg,var(--panel),var(--panel2));
  border:1px solid var(--line);border-radius:16px;padding:22px 18px;box-shadow:var(--shadow);
}
.card h2{margin:0 0 8px;font-size:20px;letter-spacing:.04em}
.card p{margin:0 0 16px;font-size:13px;color:var(--muted);line-height:1.5}
.btn{
  font:inherit;font-weight:800;letter-spacing:.08em;cursor:pointer;
  border:none;border-radius:10px;padding:11px 22px;font-size:14px;
}
.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04111a;box-shadow:0 6px 18px rgba(54,224,224,.3)}
.btn.primary:active{transform:translateY(1px)}

@media (max-width:560px){
  .app{padding:10px 10px 12px}
  .stage{grid-template-columns:1fr;gap:10px}
  .hud{flex-direction:row;flex-wrap:wrap;gap:8px}
  .hud .panel{flex:1 1 calc(50% - 4px);min-width:130px}
  .controls{display:none}
  .touchpad{flex:1 1 100%;grid-template-columns:1fr 1fr 1fr 1fr;gap:6px}
  .touchpad .fire{grid-column:1/5}
  #board{height:min(56vh,520px)}
  .topbar h1{font-size:15px}
  .tag{font-size:11px}
}
@media (max-width:380px){
  .stats{grid-template-columns:1fr 1fr 1fr}
  .hud .panel{flex:1 1 100%}
}