* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { width: 100%; height: 100%; overflow: hidden; background: #0b0e13;
  font-family: "Segoe UI", system-ui, sans-serif; color: #e8eef5; }
canvas { display: block; }
b { color: #fff; }

/* ---------- crosshair / hitmarker ---------- */
#crosshair { position: fixed; left: 50%; top: 50%; width: 24px; height: 24px;
  transform: translate(-50%,-50%); pointer-events: none; z-index: 20; opacity: 0; transition: opacity .15s; }
#crosshair.active { opacity: 1; }
.ch { position: absolute; background: #44ff88; box-shadow: 0 0 2px #000; }
.ch-t,.ch-b { left: 50%; width: 2px; height: 7px; transform: translateX(-50%); }
.ch-l,.ch-r { top: 50%; height: 2px; width: 7px; transform: translateY(-50%); }
.ch-t{top:0;} .ch-b{bottom:0;} .ch-l{left:0;} .ch-r{right:0;}
#hitmarker { position: fixed; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 26px; height: 26px; z-index: 21; pointer-events: none; opacity: 0; }
#hitmarker.show { animation: hm .25s ease-out; }
@keyframes hm { 0%{opacity:1;transform:translate(-50%,-50%) scale(1.4);} 100%{opacity:0;transform:translate(-50%,-50%) scale(.8);} }
#hitmarker::before,#hitmarker::after { content:""; position:absolute; left:50%; top:50%;
  width:14px; height:3px; background:#fff; box-shadow:0 0 3px #000; }
#hitmarker::before{transform:translate(-50%,-50%) rotate(45deg);}
#hitmarker::after{transform:translate(-50%,-50%) rotate(-45deg);}

/* ---------- damage flash ---------- */
#damage-flash { position: fixed; inset: 0; z-index: 19; pointer-events: none; opacity: 0;
  box-shadow: inset 0 0 200px 40px rgba(255,30,30,.7); }
#damage-flash.show { animation: df .4s ease-out; }
@keyframes df { 0%{opacity:1;} 100%{opacity:0;} }

/* ---------- HUD ---------- */
#hud { position: fixed; inset: 0; z-index: 15; pointer-events: none;
  opacity: 0; transition: opacity .2s; text-shadow: 0 1px 3px #000; }
#hud.active { opacity: 1; }
#hud-top { position: absolute; top: 16px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 12px; align-items: center; }
.chip { background: rgba(12,18,28,.7); border: 1px solid #1f2a3a; border-radius: 8px;
  padding: 6px 14px; font-size: 13px; letter-spacing: 1px; color: #8b98a8; }
.chip b { font-size: 18px; color: #fff; }
.chip-coin b { color: #ffcc44; }
#artefatos-hud { display: flex; gap: 6px; font-size: 20px; margin-left: 6px; }
#artefatos-hud span { background: rgba(12,18,28,.7); border-radius: 8px; padding: 2px 7px; }

#hud-health { position: absolute; left: 26px; bottom: 26px; width: 280px; }
.hb-track { height: 14px; background: rgba(0,0,0,.5); border: 1px solid #2a3645; border-radius: 8px; overflow: hidden; }
#health-bar { height: 100%; width: 100%; border-radius: 7px;
  background: linear-gradient(90deg,#ff4455,#ff8855); transition: width .15s; }
.hb-num { margin-top: 5px; font-size: 22px; font-weight: 700; }
#hud-weapon { position: absolute; right: 26px; bottom: 26px; text-align: right; }
#arma { font-size: 22px; font-weight: 700; }
#mag { font-size: 32px; font-weight: 800; color: #44ff88; font-variant-numeric: tabular-nums; }

/* ---------- banner narrativo ---------- */
#banner { position: fixed; top: 70px; left: 50%; transform: translateX(-50%) translateY(-12px);
  z-index: 16; max-width: 620px; width: 90%; pointer-events: none;
  background: rgba(8,12,18,.85); border-left: 3px solid #44ff88; border-radius: 6px;
  padding: 12px 18px; opacity: 0; transition: opacity .3s, transform .3s; }
#banner.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#banner-who { font-size: 12px; letter-spacing: 2px; font-weight: 700; margin-bottom: 3px; }
#banner-text { font-size: 14px; color: #c8d2dd; line-height: 1.45; }

/* ---------- loja ---------- */
#shop { position: fixed; inset: 0; z-index: 25; display: none;
  align-items: center; justify-content: center;
  background: radial-gradient(circle at 50% 35%, rgba(20,30,45,.9), rgba(5,7,11,.97)); backdrop-filter: blur(4px); }
#shop.active { display: flex; }
.shop-panel { width: min(820px, 92vw); background: rgba(13,18,28,.85);
  border: 1px solid #1f2a3a; border-radius: 14px; padding: 28px 30px; text-align: center; }
.shop-panel h2 { font-size: 24px; letter-spacing: 3px; color: #44ff88; }
.shop-coin { font-size: 15px; color: #ffcc44; margin-left: 10px; letter-spacing: 0; }
.shop-hint { color: #7d8b9a; font-size: 13px; margin: 8px 0 20px; }
#shop-items { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px,1fr)); gap: 12px; margin-bottom: 22px; }
.art-card { background: rgba(20,28,40,.8); border: 1px solid #243345; border-radius: 10px;
  padding: 14px 12px; cursor: pointer; transition: transform .1s, border-color .15s, background .15s; text-align: center; }
.art-card:hover { transform: translateY(-3px); border-color: #44ff88; background: rgba(28,40,56,.9); }
.art-card.locked { opacity: .42; cursor: not-allowed; }
.art-card.locked:hover { transform: none; border-color: #243345; }
.art-card.premium { border-color: #ffcc44; background: linear-gradient(160deg, rgba(50,42,16,.6), rgba(20,28,40,.8)); }
.art-ico { font-size: 34px; }
.art-nome { font-size: 14px; font-weight: 700; margin: 6px 0 4px; }
.art-nome .tag { font-size: 9px; background: #ffcc44; color: #1a1400; border-radius: 4px; padding: 1px 5px; vertical-align: middle; letter-spacing: 1px; }
.art-desc { font-size: 12px; color: #9aa7b5; min-height: 32px; line-height: 1.35; }
.art-custo { margin-top: 8px; font-size: 15px; font-weight: 700; color: #ffcc44; }

/* ---------- overlay (menu/morte) ---------- */
#overlay { position: fixed; inset: 0; z-index: 30; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at 50% 40%, rgba(20,30,45,.88), rgba(5,7,11,.97)); backdrop-filter: blur(4px); }
#overlay.hidden { display: none; }
.panel { text-align: center; max-width: 540px; padding: 40px 44px;
  background: rgba(13,18,28,.75); border: 1px solid #1f2a3a; border-radius: 14px; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.panel h1 { font-size: 40px; letter-spacing: 5px; color: #44ff88; font-weight: 800; }
.panel p { margin: 18px 0 24px; line-height: 1.6; color: #aab6c4; font-size: 15px; }

/* botões */
#panel-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn-primary, .btn-secondary { padding: 13px 38px; font-size: 16px; font-weight: 700; letter-spacing: 1px;
  border: none; border-radius: 8px; cursor: pointer; transition: transform .1s, background .2s; }
.btn-primary { color: #08110a; background: #44ff88; }
.btn-primary:hover { background: #6effa3; transform: translateY(-2px); }
.btn-secondary { color: #cfe; background: #1f2a3a; }
.btn-secondary:hover { background: #2a3a4f; transform: translateY(-2px); }
#shop-next { margin-top: 4px; }