/* Fuentes y reset */
@import url('https://fonts.googleapis.com/css2?family=Creepster&family=VT323&display=swap');

*{box-sizing:border-box}
html,body{height:100%;margin:0;padding:0;font-family:'VT323',monospace;background:#000;color:#ffdede}

/* Palette & variables */
:root{
  --neon-fuc:#ff2ec4;
  --neon-green:#7bff6b;
  --neon-cyan:#39fff5;
  --blood:#9b0000;
}

/* Background & overlay */
.background{position:fixed;inset:0;z-index:-3;overflow:hidden}
.bg-image{width:110%;height:110%;object-fit:cover;transform:scale(1.05);filter:contrast(120%) saturate(130%) brightness(40%) sepia(10%);mix-blend-mode:multiply;animation:slowpulse 8s ease-in-out infinite alternate}
@keyframes slowpulse{from{filter:contrast(120%) saturate(120%) brightness(30%) sepia(20%)}to{filter:contrast(140%) saturate(150%) brightness(50%) sepia(2%)}}

.vhs-overlay{pointer-events:none;position:fixed;inset:0;z-index:5;background-image:
linear-gradient(rgba(0,0,0,0.03) 50%, rgba(255,255,255,0.01) 51%),
repeating-linear-gradient(90deg, rgba(0,0,0,0.02) 0 2px, rgba(255,255,255,0.00) 2px 4px);
opacity:0.75;mix-blend-mode:overlay;animation:vhsShake .9s infinite}
@keyframes vhsShake{0%{transform:translateX(0)}50%{transform:translateX(1px)}100%{transform:translateX(0)}}

/* overlay screens */
.overlay-screen{position:fixed;inset:0;display:none;align-items:center;justify-content:center;flex-direction:column;gap:16px;text-align:center;z-index:10;padding:22px;color:#ffdede}
.overlay-screen.show{display:flex}

/* START SCREEN */
#startScreen{display:flex;background:linear-gradient(180deg,rgba(0,0,0,0.6),rgba(0,0,0,0.4))}
.glitch{font-family:'Creepster',cursive;font-size:clamp(36px,10vw,96px);color:var(--neon-fuc);position:relative;mix-blend-mode:screen;text-shadow:0 0 6px rgba(255,46,196,0.9),0 0 18px rgba(57,255,245,0.12)}
.glitch::before,.glitch::after{content:attr(data-text);position:absolute;left:0;top:0;width:100%;opacity:0.8}
.glitch::before{color:var(--neon-green);transform:translate(-3px,-2px);filter:blur(.6px);animation:g1 3s linear infinite}
.glitch::after{color:var(--neon-cyan);transform:translate(2px,2px);filter:blur(.6px);animation:g2 2.4s linear infinite}
@keyframes g1{0%{clip-path:inset(0 0 65% 0)}30%{clip-path:inset(20% 0 40% 0)}60%{clip-path:inset(60% 0 10% 0)}100%{clip-path:inset(0 0 65% 0)}}
@keyframes g2{0%{clip-path:inset(30% 0 20% 0)}40%{clip-path:inset(10% 0 60% 0)}80%{clip-path:inset(50% 0 5% 0)}100%{clip-path:inset(30% 0 20% 0)}}
.tagline{color:var(--neon-cyan);margin:-6px 0 8px;font-size:16px}

/* Buttons */
.menu{display:flex;gap:12px;margin-top:12px}
.btn{background:linear-gradient(180deg,rgba(20,0,10,0.85),rgba(60,0,30,0.6));border:2px solid rgba(255,46,196,0.16);padding:10px 18px;border-radius:8px;cursor:pointer;color:#ffdede;font-family:'VT323',monospace;text-transform:uppercase;letter-spacing:1px;box-shadow:0 8px 30px rgba(0,0,0,0.6)}
.btn.horror{font-weight:700}
.btn.small{padding:6px 10px;font-size:13px}
.btn:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(0,0,0,0.8),0 0 14px rgba(255,46,196,0.08)}

/* side blocks (author/credits) bottom corners */
.side-block{position:fixed;z-index:11;bottom:20px;width:320px;max-width:38%;background:linear-gradient(180deg,rgba(0,0,0,0.85),rgba(15,0,15,0.6));border:2px solid rgba(255,46,196,0.06);padding:12px;border-radius:10px;color:#ffdede;box-shadow:0 10px 50px rgba(0,0,0,0.7);display:none}
.left-block{left:20px;text-align:left}
.right-block{right:20px;text-align:left}
.author-bio{background:rgba(0,0,0,0.6);border:1px solid rgba(255,46,196,0.06);padding:10px;border-radius:8px;min-width:220px;max-width:100%;color:#ffdede;text-align:left;margin-top:8px}

/* window with game content centered */
.game-window{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px;pointer-events:none}
.game-ui{pointer-events:all;background:linear-gradient(180deg,rgba(0,0,0,0.45), rgba(8,0,8,0.25));padding:12px;border-radius:12px;box-shadow:0 30px 80px rgba(0,0,0,0.9);width:980px;max-width:96%;}

/* HUD */
.hud{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;color:#ffdede;text-shadow:0 0 6px rgba(155,0,0,0.25)}
.hud .lvl,.hud .enemyName,.hud .playerHP{font-size:15px}

/* lifebar */
.lifebar{display:flex;flex-direction:column;align-items:center;gap:6px}
.hp-blocks{display:flex;gap:6px;margin-top:4px}
.hp-block{width:12px;height:18px;background:rgba(255,255,255,0.06);border-radius:3px;border:1px solid rgba(255,255,255,0.02);box-shadow:inset 0 -6px 14px rgba(0,0,0,0.4)}
.hp-block.filled{background:linear-gradient(180deg,rgba(123,255,107,0.95),rgba(57,255,245,0.28));box-shadow:0 6px 20px rgba(0,0,0,0.6)}

/* canvas */
#gameCanvas{display:block;margin:0 auto;border-radius:10px;box-shadow:0 30px 80px rgba(0,0,0,0.9),0 0 40px rgba(255,46,196,0.06) inset;background:linear-gradient(180deg,rgba(0,0,0,0.78),rgba(10,0,0,0.5));width:100%;height:auto;max-height:70vh}

/* shop overlay (dark glitch retro) */
.shop-screen{background:linear-gradient(180deg,rgba(5,0,5,0.9),rgba(25,0,25,0.7));backdrop-filter: blur(2px);border-radius:12px;padding:18px}
.shop-buttons{display:flex;gap:12px;margin-top:8px;flex-wrap:wrap}
.shop-info{margin-top:8px;color:var(--neon-cyan);font-family:'VT323',monospace}
.shop-flash{background:rgba(255,20,20,0.08);padding:8px;border-radius:6px;margin-top:8px;color:#ffdede}

/* floating phrases */
.ghost-phrase{position:fixed;font-family:'VT323',monospace;font-size:18px;color:rgba(255,46,196,0.95);opacity:0;transform:translateY(0) scale(0.9) rotate(-6deg);pointer-events:none;z-index:9;text-shadow:0 0 8px rgba(255,46,196,0.6);transition:all 1s ease}
.ghost-phrase.float{opacity:1;transform:translateY(-40px) scale(1.03) rotate(2deg)}

/* message overlay */
#messageOverlay{display:none;background:linear-gradient(180deg,rgba(0,0,0,0.9),rgba(10,0,10,0.85));padding:24px;border-radius:12px;min-width:320px}
#messageOverlay.show{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;z-index:12}

/* small notes */
.controls-note{text-align:center;color:#cda;margin-top:6px;font-size:13px}

/* responsive */
@media (max-width:980px){
  .side-block{width:46%;bottom:12px;left:6px;right:6px}
  .left-block{left:6px;right:auto}
  .right-block{right:6px;left:auto}
  #gameCanvas{width:100%;height:auto}
  .glitch{font-size:46px}
}