@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Rajdhani:wght@300;500;700&display=swap');

*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }

:root {
  --deep:   #020b18;
  --abyss:  #000d1a;
  --cyan:   #00f5ff;
  --cyan2:  #00c8d4;
  --lime:   #39ff14;
  --magenta:#ff2d78;
  --amber:  #ffb700;
  --violet: #9b5de5;
  --font-hud: 'Orbitron', monospace;
  --font-body:'Rajdhani', sans-serif;
}

html, body {
  width:100%;
  min-height:100%;
  margin:0;
  overflow:hidden;
  background: var(--abyss);
  font-family: var(--font-body);
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

html {
  height:100%;
}

body {
  height:100vh;
  height:100dvh;
}

/* ── LAYOUT PRINCIPALE ─────────────────────────────────────────────
   #app  → schermo intero, centra il wrapper
   #gameWrapper → esattamente W×H del canvas; dimensionato via JS
   Tutti gli overlay sono position:absolute rispetto a #gameWrapper
   → rimangono SEMPRE dentro il rettangolo di gioco su qualsiasi schermo
──────────────────────────────────────────────────────────────────── */
#app {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--abyss);
  overflow: hidden;
}

#gameWrapper {
  position: relative;
  flex-shrink: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  cursor: crosshair;
}

#gameCanvas {
  display: block;
  /* canvas occupa esattamente il wrapper */
  width: 100%;
  height: 100%;
}

/* ── SPLASH ────────────────────────────────────────────────────────*/
#splash {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
}
.splash-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(0,245,255,.12) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 80%, rgba(155,93,229,.15) 0%, transparent 60%),
    radial-gradient(ellipse at 50% 50%, rgba(3,31,61,.9) 0%, var(--abyss) 100%);
  animation: bgP 4s ease-in-out infinite alternate;
}
@keyframes bgP { from{opacity:.8} to{opacity:1} }

.splash-content {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center;
  gap: clamp(14px,3.5vh,36px);
  padding: 32px 20px;
  width: 100%; max-width: 380px;
}
.logo-wrap { position:relative; text-align:center; }
.logo-glow {
  position:absolute; top:50%; left:50%;
  transform: translate(-50%,-50%);
  width:260px; height:100px;
  background: radial-gradient(ellipse, rgba(0,245,255,.3) 0%, transparent 70%);
  animation: lglow 2s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes lglow {
  from { opacity:.5; transform:translate(-50%,-50%) scale(.9); }
  to   { opacity:1;  transform:translate(-50%,-50%) scale(1.1); }
}
.logo-text {
  font-family: var(--font-hud);
  font-size: clamp(42px, 12vw, 80px);
  font-weight: 900; letter-spacing: .15em;
  color: transparent;
  background: linear-gradient(135deg, var(--cyan) 0%, var(--cyan2) 40%, var(--violet) 100%);
  -webkit-background-clip: text; background-clip: text;
  filter: drop-shadow(0 0 18px rgba(0,245,255,.7));
  animation: lFloat 3s ease-in-out infinite;
}
@keyframes lFloat { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-7px)} }
.logo-sub {
  font-family: var(--font-hud);
  font-size: clamp(9px,2.5vw,13px);
  letter-spacing:.4em; color:var(--cyan2); opacity:.7; margin-top:3px;
}
.menu-btns { display:flex; flex-direction:column; align-items:center; gap:12px; width:100%; }
.btn-play {
  font-family: var(--font-hud);
  font-size: clamp(13px,3.5vw,18px); font-weight:700;
  letter-spacing:.25em; color:var(--abyss);
  background: linear-gradient(135deg, var(--cyan), var(--lime));
  border:none; border-radius:4px; padding:14px 40px;
  cursor:pointer; width:80%; max-width:260px;
  transition: transform .15s, box-shadow .15s;
  box-shadow: 0 0 28px rgba(0,245,255,.4), 0 0 55px rgba(57,255,20,.2);
}
.btn-play:active { transform:scale(.95); }
.high-score-display { display:flex; flex-direction:column; align-items:center; gap:2px; }
.hs-label { font-family:var(--font-hud); font-size:9px; letter-spacing:.3em; color:var(--cyan2); opacity:.6; }
.hs-val   { font-family:var(--font-hud); font-size:26px; font-weight:700; color:var(--amber);
            filter:drop-shadow(0 0 8px rgba(255,183,0,.6)); }
.splash-tips {
  display:flex; flex-direction:column; align-items:center; gap:5px; width:100%;
}
.splash-tips span {
  font-family:var(--font-body); font-size:12px; letter-spacing:.06em;
  color:rgba(0,245,255,.5); padding:3px 10px;
  border:1px solid rgba(0,245,255,.12); border-radius:20px;
}
.splash-footer {
  font-family:var(--font-body); font-size:12px;
  letter-spacing:.2em; color:rgba(0,245,255,.3);
}

/* ── HUD ───────────────────────────────────────────────────────────*/
#hud {
  position: absolute;
  top:0; left:0; right:0;     /* si estende fino ai bordi del WRAPPER, non dello schermo */
  z-index: 50;
  padding: 8px 12px 0;
  display: flex; flex-direction: column; gap: 4px;
}
.hud-top { display:flex; justify-content:space-between; align-items:flex-start; }
.hud-item { display:flex; flex-direction:column; align-items:flex-start; }
.hud-right  { align-items:flex-end; }
.hud-center { align-items:center; flex:1; padding:0 6px; }
.hud-label {
  font-family:var(--font-hud); font-size:7px;
  letter-spacing:.3em; color:rgba(0,245,255,.5);
}
.hud-item span:last-child:not(.hud-label):not(.hud-level):not(.hud-lives) {
  font-family:var(--font-hud);
  font-size: clamp(14px,4vw,20px);
  font-weight:700; color:var(--cyan);
  filter:drop-shadow(0 0 5px rgba(0,245,255,.6));
}
.hud-level {
  font-family:var(--font-hud); font-size:clamp(10px,2.8vw,14px); font-weight:700;
  color:var(--amber); filter:drop-shadow(0 0 7px rgba(255,183,0,.7)); letter-spacing:.2em;
}
.hud-lives { font-size:clamp(12px,3.2vw,17px); line-height:1.4; }
.hud-energy-bar {
  position:relative; height:4px;
  background:rgba(255,255,255,.1); border-radius:2px; overflow:hidden; margin:0 2px;
}
.energy-fill {
  height:100%; width:100%;
  background: linear-gradient(90deg, var(--lime), var(--cyan));
  border-radius:2px; transition:width .3s, background .5s;
  box-shadow:0 0 7px rgba(57,255,20,.6);
}
.energy-fill.low {
  background: linear-gradient(90deg, var(--magenta), var(--amber));
  box-shadow:0 0 7px rgba(255,45,120,.6);
  animation: ePulse .5s ease-in-out infinite alternate;
}
@keyframes ePulse { from{opacity:.7} to{opacity:1} }
.energy-label {
  position:absolute; right:6px; top:50%; transform:translateY(-50%);
  font-family:var(--font-hud); font-size:6px; letter-spacing:.2em; color:rgba(255,255,255,.4);
}

/* ── GAME OVER ─────────────────────────────────────────────────────*/
#gameOver {
  position: absolute; inset: 0;   /* dentro il wrapper */
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
}
.go-overlay {
  position:absolute; inset:0;
  background:rgba(0,0,0,.75); backdrop-filter:blur(8px);
}
.go-content {
  position:relative; z-index:1;
  display:flex; flex-direction:column; align-items:center; gap:14px;
  padding:30px 24px;
  background:rgba(3,31,61,.92);
  border:1px solid rgba(0,245,255,.2); border-radius:8px;
  box-shadow:0 0 50px rgba(255,45,120,.3), inset 0 0 30px rgba(0,0,0,.5);
  width:85%; max-width:320px;
}
.go-skull { font-size:44px; animation:sShake .5s ease-in-out .1s; }
@keyframes sShake {
  0%,100%{transform:rotate(0)} 20%{transform:rotate(-10deg) scale(1.2)}
  40%{transform:rotate(10deg) scale(1.3)} 60%{transform:rotate(-8deg)} 80%{transform:rotate(8deg)}
}
.go-title {
  font-family:var(--font-hud); font-size:clamp(24px,7vw,34px); font-weight:900;
  letter-spacing:.2em; color:var(--magenta);
  filter:drop-shadow(0 0 14px rgba(255,45,120,.8));
}
.go-stats { display:grid; grid-template-columns:1fr 1fr; gap:9px 16px; width:100%; }
.go-stat  { display:flex; flex-direction:column; align-items:center; gap:1px; }
.go-stat-full { grid-column:1/-1; }
.go-stat span   { font-family:var(--font-hud); font-size:8px; letter-spacing:.2em; color:rgba(0,245,255,.5); }
.go-stat strong { font-family:var(--font-hud); font-size:18px; color:var(--amber);
                  filter:drop-shadow(0 0 5px rgba(255,183,0,.5)); }
.btn-restart { width:85%; }
.btn-menu {
  font-family:var(--font-hud); font-size:12px; letter-spacing:.25em;
  color:rgba(0,245,255,.5); background:transparent;
  border:1px solid rgba(0,245,255,.2); border-radius:4px; padding:9px 28px;
  cursor:pointer; transition:color .2s, border-color .2s;
}
.btn-menu:hover { color:var(--cyan); border-color:rgba(0,245,255,.6); }

/* ── JOYSTICK ──────────────────────────────────────────────────────*/
#joystickZone {
  position: absolute;
  inset: 0;                /* copre tutto il wrapper — mouse funziona ovunque */
  z-index: 60; touch-action: none;
}
/* Su touch, visivamente il base appare comunque in basso */
#joystickBase {
  position: absolute;
  bottom: clamp(30px,6vh,70px); left: 50%;
  transform: translateX(-50%);
  width:110px; height:110px; border-radius:50%;
  background:rgba(0,245,255,.06);
  border:2px solid rgba(0,245,255,.15);
  display:flex; align-items:center; justify-content:center;
  backdrop-filter:blur(2px);
}
#joystickKnob {
  width:46px; height:46px; border-radius:50%;
  background: radial-gradient(circle at 35% 35%, rgba(0,245,255,.6), rgba(0,200,212,.3));
  border:2px solid rgba(0,245,255,.5);
  box-shadow:0 0 18px rgba(0,245,255,.4);
  transition:transform .05s; pointer-events:none;
}


@media (pointer: coarse) {
  #gameWrapper {
    cursor: default;
  }

  #joystickBase {
    width: min(110px, 24vw);
    height: min(110px, 24vw);
    bottom: max(24px, env(safe-area-inset-bottom));
  }

  #joystickKnob {
    width: min(46px, 10vw);
    height: min(46px, 10vw);
  }
}

@media (pointer: fine) {
  #joystickBase {
    opacity: .32;
  }
}

.hidden { display:none !important; }