/* Vibrant, action‑oriented theme with CSS variables */
:root{
  --bg: #0b0f18;
  --bg-soft: #121827;
  --text: #E6F0FF;
  --accent: #69F0AE;
  --accent-2: #00E5FF;
  --danger: #FF6B6B;
  --warning: #FFD166;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial;
  color:var(--text);
  background: radial-gradient(1200px 600px at 20% -10%, #152036 0%, #0b0f18 50%) no-repeat, var(--bg);
}

.site-header{
  display:grid;
  grid-template-columns: 1fr auto;
  align-items:center;
  gap:1rem;
  padding:1rem clamp(1rem, 3vw, 2rem);
  position:sticky; top:0;
  background: linear-gradient(180deg, rgba(18,24,39,.9), rgba(18,24,39,.6));
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  z-index:10;
}

.brand{display:flex; align-items:center; gap:.75rem}
.brand .logo{font-size:1.8rem}
.brand h1{margin:0; font-size:clamp(1.25rem, 2.5vw, 1.8rem)}
.tagline{margin:0; opacity:.8; font-size:.9rem}

.actions{display:flex; flex-wrap:wrap; gap:.5rem}

.wrapper{
  display:grid; gap:1.5rem; padding:clamp(1rem, 3vw, 2rem);
  grid-template-columns: 1fr;
}

.game-shell{
  position:relative;
  display:grid;
  place-items:center;
  background: linear-gradient(135deg, #0f1426, #0b0f18);
  border:1px solid rgba(255,255,255,.06);
  border-radius:18px;
  padding:1rem;
  box-shadow: var(--shadow);
}

canvas{
  width:100%; max-width: 100%;
  border-radius:12px;
  background: repeating-radial-gradient(circle at 30% 40%, #0f162a, #0f162a 8px, #0e1526 8px, #0e1526 16px);
  outline:1px solid rgba(255,255,255,.05);
}

.hud{
  position:absolute; top:12px; left:12px; right:12px;
  display:flex; gap:.75rem; justify-content:space-between;
  font-weight:600;
  text-shadow: 0 1px 0 #000;
}

.btn{
  background: transparent;
  border:1px solid rgba(255,255,255,.2);
  color:var(--text);
  padding:.6rem .9rem;
  border-radius:999px;
  cursor:pointer;
  transition:.2s ease;
  box-shadow:0 2px 0 rgba(0,0,0,.3);
}
.btn:hover{transform:translateY(-1px); border-color:rgba(255,255,255,.35)}
.btn:active{transform:translateY(0)}
.btn.primary{background: linear-gradient(90deg, var(--accent), var(--accent-2)); color:#051016; border: none}
.btn.danger{border-color: var(--danger); color: var(--danger)}
.btn.ghost{opacity:.85}

.overlay{
  position:absolute; inset:0; display:grid; place-items:center;
  background: rgba(0,0,0,.5);
}
.hidden{display:none}

.dialog{
  background:var(--bg-soft);
  border:1px solid rgba(255,255,255,.08);
  border-radius:16px;
  padding:1rem 1.25rem;
  max-width:min(680px, 90vw);
  box-shadow: var(--shadow);
}
.dialog h3{margin:.25rem 0 .5rem}
.dialog-actions{display:flex; justify-content:flex-end; margin-top:.75rem}

.panel{
  background:var(--bg-soft);
  border:1px solid rgba(255,255,255,.08);
  border-radius:18px;
  padding:1rem 1.25rem;
  box-shadow: var(--shadow);
}

.site-footer{
  text-align:center; padding:2rem 1rem; opacity:.8;
}

/* Mobile controls hidden by default, shown on small screens */
@media (max-width: 820px){
  .touch{display:grid}
}
.touch{
  position:absolute; inset:auto 0 0 0;
  grid-template-columns: 1fr auto;
  align-items:end; gap:1rem; padding:1rem;
}
.touch .pad{
  width:120px; height:120px; border-radius:50%;
  border:2px dashed rgba(255,255,255,.25);
  position:relative;
}
.touch .stick{
  width:48px; height:48px; border-radius:50%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  position:absolute; left:36px; top:36px;
  box-shadow: var(--shadow);
}
.touch .buttons{display:flex; gap:.75rem}


/* Place the dialog at the bottom instead of the middle */
.overlay{
  position:absolute; inset:0; display:grid;
  align-items:end; /* bottom */
  justify-items:stretch;
  background: rgba(0,0,0,.45);
  padding: 0;
}
.dialog{
  width:100%;
  max-width:none;
  border-radius:16px 16px 0 0;
  border-top: 1px solid rgba(255,255,255,.12);
  border-left: none; border-right: none; border-bottom: none;
  background: linear-gradient(180deg, rgba(18,24,39,.98), rgba(18,24,39,.92));
}
.dialog h3{margin:.25rem 0 .25rem}
.dialog p{margin:.25rem 0}



/* === Mobile UI === */
:root{
  --ui-size: clamp(48px, 8vw, 72px);
  --ui-gap: clamp(10px, 2.5vw, 16px);
}
html, body { touch-action: none; }
#game { touch-action: none; }

.mobile-ui{
  position: absolute; inset: 0;
  pointer-events: none; /* enable holes so canvas still gets events */
}
.mobile-ui .joystick{
  position: absolute; left: var(--ui-gap); bottom: var(--ui-gap);
  width: calc(var(--ui-size) * 3); height: calc(var(--ui-size) * 3);
  pointer-events: auto;
}
.joy-base{
  position:absolute; left:50%; top:50%; transform:translate(-50%,-50%);
  width: calc(var(--ui-size) * 2.1); height: calc(var(--ui-size) * 2.1);
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(255,255,255,.22), rgba(0,0,0,.25));
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: 0 2px 10px rgba(0,0,0,.35) inset;
}
.joy-stick{
  position:absolute; left:50%; top:50%; transform:translate(-50%,-50%);
  width: var(--ui-size); height: var(--ui-size);
  border-radius: 50%;
  background: rgba(0, 229, 255, .9);
  box-shadow: 0 8px 24px rgba(0,0,0,.45);
  border: 2px solid rgba(255,255,255,.7);
  touch-action: none;
}
.mobile-ui .buttons{
  position: absolute; right: var(--ui-gap); bottom: var(--ui-gap);
  display: grid; grid-auto-flow: row; gap: var(--ui-gap);
  align-items: end; justify-items: end;
  pointer-events: auto;
}
.circle-btn{
  width: var(--ui-size); height: var(--ui-size);
  border-radius: 50%; border: none;
  background: rgba(255, 209, 102, .92);
  box-shadow: 0 8px 24px rgba(0,0,0,.45);
  color: #121827; font-weight: 800; font-size: 1.1rem;
}
.pill-btn{
  min-width: calc(var(--ui-size) * 1.6); height: calc(var(--ui-size) * 0.9);
  border-radius: 999px; border: none;
  background: rgba(230, 240, 255, .92);
  color: #121827; font-weight: 800; font-size: 1rem; padding: 0 14px;
  box-shadow: 0 8px 24px rgba(0,0,0,.45);
}
@media (max-width: 900px){
  .mobile-ui{ display:block; }
  .mobile-ui.hidden{ display:block; } /* force visible on small screens */
}



/* === Save Controls === */
.save-controls{
  display: flex; flex-wrap: wrap; gap: 10px;
  align-items: center; justify-content: flex-start;
  margin: 10px 0 0 0; pointer-events: auto;
}
.save-status{ margin-left: 6px; opacity: .8; font-size: .9rem; }
.import-label{ display:inline-flex; align-items:center; gap:.5rem; cursor:pointer; }



/* === Mode Switch Tabs === */
.mode-switch{ display:flex; gap:8px; margin:10px 0; }
.tab{
  background: rgba(0,0,0,.35);
  color:#E6F0FF; border:1px solid rgba(255,255,255,.15);
  padding:8px 14px; border-radius:999px; font-weight:700;
}
.tab.active{ background:#00E5FF; color:#121827; border-color: transparent; }