*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --night:#060c1a;--deep:#0e1630;--purple:#191440;--paper:#edf3ff;--gold:#ffd93d;--warm:#ff6b6b;--cool:#4d96ff;
  --teal:#4aff8b;--brass:#c8aa64;--soft:#a6b5d5;--line:rgba(100,132,201,.2);--glass:rgba(8,14,28,.88);
  --shadow:0 30px 100px rgba(0,0,0,.45);--rad:24px;
  
  /* Astrominer specific */
  --am-dark: #0a0a0f;
  --am-panel: #161622;
  --am-accent: #ffd93d;
  --am-text: #edf3ff;
  --am-muted: #6b7280;
  
  --am-fuel: #4ade80;
  --am-heat-safe: #38bdf8;
  --am-heat-warn: #fb923c;
  --am-heat-danger: #ef4444;
}

body{
  min-height:100vh;color:var(--paper);font-family:"Trebuchet MS",Verdana,sans-serif;
  background:radial-gradient(circle at top,rgba(255,217,61,.05),transparent 28%),
    radial-gradient(circle at 18% 18%,rgba(255,107,107,.08),transparent 24%),
    linear-gradient(155deg,var(--night),var(--am-dark) 45%,#000);
}
body::before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.05;background-image:radial-gradient(circle,rgba(255,255,255,.5) 1px,transparent 1px);background-size:44px 44px}

/* TOP BAR */
.topbar{width:min(1320px,calc(100% - 40px));margin:0 auto;min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{font-size:1.42rem;font-weight:900;color:transparent;background:linear-gradient(45deg,var(--warm),var(--gold));-webkit-background-clip:text;background-clip:text;letter-spacing:.04em;text-decoration:none}
.trail{display:flex;align-items:center;gap:10px;color:var(--soft);font-size:.92rem}
.trail a{color:var(--gold);text-decoration:none}

/* SHELL */
.astrominer-shell{width:min(1320px,calc(100% - 40px));margin:0 auto;padding:12px 0 34px}

/* INTRO */
.intro{display:flex;justify-content:space-between;align-items:end;gap:32px;margin:14px 0 18px}
.eyebrow{font-size:.7rem;color:var(--gold);font-weight:800;text-transform:uppercase;letter-spacing:.2em;margin-bottom:8px}
h1{font:clamp(2.4rem,5vw,4.2rem)/1 Georgia,"Times New Roman",serif;color:var(--paper);letter-spacing:-.04em}
.lede{color:var(--soft);line-height:1.65;max-width:700px;margin-top:10px;font-size:1.02rem}
.legend{display:flex;gap:10px;flex-shrink:0}
.legend span{min-width:80px;text-align:center;padding:12px 10px;border:1px solid rgba(255,217,61,.15);background:rgba(255,217,61,.05);border-radius:16px;color:var(--soft);font-size:.74rem}
.legend strong{display:block;font:1.55rem Georgia,serif;color:var(--gold);margin-bottom:3px}

/* AD ZONE */
.ad-slot{position:relative;width:100%;min-height:84px;margin-bottom:14px;display:flex;justify-content:center;align-items:center;padding:6px;border:1px dashed var(--line);border-radius:14px;overflow:hidden;background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(255,255,255,.008)),rgba(8,12,28,.6)}
.ad-slot::before{content:"Ad Zone";position:absolute;top:6px;right:10px;color:rgba(166,181,213,.5);font-size:.62rem;letter-spacing:.08em;text-transform:uppercase}
.ad-placeholder{color:#7b89ab;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase}

/* GAME FRAME */
.game-frame{overflow:hidden;border-radius:var(--rad);background:var(--glass);border:1px solid rgba(255,217,61,.16);box-shadow:var(--shadow);backdrop-filter:blur(16px);position:relative;}

/* HUD */
.hud{min-height:86px;display:flex;justify-content:space-between;align-items:center;padding:14px 24px;background:linear-gradient(90deg,rgba(3,10,20,.93),rgba(8,20,18,.92));border-bottom:1px solid rgba(255,217,61,.12)}
.label{display:block;font-size:.64rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--soft)}
.hud-story strong{font:1.18rem Georgia,serif;color:var(--gold);display:inline-block;margin:4px 0}
.hud-story p{color:#c4d8dc;font-size:.8rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:480px}

/* Astrominer UI Specific Styles */
.meters { display: flex; gap: 20px; }
.meter { display: flex; flex-direction: column; width: 150px; }
.meter .label { display: flex; justify-content: space-between; margin-bottom: 5px; }
.meter .label b { color: var(--am-text); }
.bar { height: 8px; background: rgba(0,0,0,0.5); border-radius: 4px; overflow: hidden; box-shadow: inset 0 1px 3px rgba(0,0,0,0.8); }
.fuel-fill { display: block; height: 100%; width: 100%; background: var(--am-fuel); box-shadow: 0 0 10px var(--am-fuel); transition: width 0.1s linear; }
.heat-fill { display: block; height: 100%; width: 10%; background: var(--am-heat-safe); box-shadow: 0 0 10px var(--am-heat-safe); transition: width 0.1s linear, background-color 0.3s; }

.pocket { display: flex; flex-direction: column; align-items: flex-end; }
.pocket strong { font-size: 1.4rem; color: var(--am-accent); text-shadow: 0 0 10px rgba(255, 217, 61, 0.5); }
.cargo { font-size: 0.8rem; color: var(--am-muted); }

/* VIEWPORT */
.viewport{position:relative;aspect-ratio:16/8.75;min-height:500px;background:#040b16;overflow:hidden}
canvas{display:block;width:100%;height:100%;touch-action:none}

/* OVERLAYS */
.overlay{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);border:1px solid rgba(255,217,61,.22);border-radius:var(--rad);background:rgba(6,10,22,.96);box-shadow:0 24px 80px rgba(0,0,0,.52);backdrop-filter:blur(16px);padding:32px;width:min(560px,calc(100% - 36px))}
.overlay[hidden]{display:none !important}
.overlay.active{display:block}
.overlay h2{font:1.9rem Georgia,serif;color:var(--gold);margin-bottom:10px}
.overlay p:not(.eyebrow){color:var(--soft);line-height:1.6;margin-bottom:8px;font-size:.94rem}
.finale{border-color:rgba(74,255,139,.4);box-shadow:0 24px 90px rgba(0,0,0,.55),0 0 70px rgba(74,255,139,.07)}
.failure{border-color:rgba(239,68,68,.4);box-shadow:0 24px 90px rgba(0,0,0,.55),0 0 70px rgba(239,68,68,.1)}

/* BUTTONS */
button{font:inherit;font-weight:800;border-radius:999px;padding:12px 18px;cursor:pointer;border:1px solid transparent;transition:all .16s}
button:hover{transform:translateY(-1px);filter:brightness(1.06)}
.primary{background:var(--gold);color:#102030}
.secondary{background:rgba(255,255,255,.04);color:var(--paper);border-color:var(--line)}
.small{font-size:.8rem;padding:8px 14px}
.actions{display:flex;gap:9px;margin-top:22px;flex-wrap:wrap}

/* Workshop Styles */
.upgrades{width:min(720px,calc(100% - 32px));max-height:calc(100% - 32px);padding:22px;overflow-y:auto}
.shop-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.shop-content { display: flex; flex-direction: column; gap: 20px; margin-top: 10px; }
.shop-stats { display: flex; align-items: center; justify-content: space-between; background: rgba(0,0,0,0.3); padding: 10px 15px; border-radius: 8px; border:1px solid var(--line); }
.upgrade-list { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; max-height: 400px; overflow-y: auto; padding-right: 10px; }
.upg-item { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.1); padding: 15px; border-radius: 12px; display: flex; flex-direction: column; gap: 10px; }
.upg-header { display: flex; justify-content: space-between; align-items: center; }
.upg-name { font-weight: bold; color: var(--am-text); font-size: 1.1rem; }
.upg-lvl { font-size: 0.8rem; color: var(--am-accent); }
.upg-desc { font-size: 0.9rem; color: var(--am-muted); line-height: 1.4; flex-grow: 1; }
.upg-buy { background: #1e293b; border: 1px solid #334155; color: #fff; padding: 8px; border-radius: 6px; cursor: pointer; font-weight: bold; transition: 0.2s; text-align:center;}
.upg-buy:hover:not(:disabled) { background: var(--am-accent); color: #000; box-shadow: 0 0 15px rgba(255, 217, 61, 0.4); }
.upg-buy:disabled { opacity: 0.5; cursor: not-allowed; }

/* UNDERBAR */
.underbar{padding:13px 18px;display:flex;align-items:center;justify-content:space-between;gap:18px;background:rgba(3,10,20,.78);border-top:1px solid rgba(255,217,61,.12)}
.controls{display:flex;flex-wrap:wrap;gap:8px 15px;color:var(--soft);font-size:.75rem}
.controls kbd{font:inherit;font-weight:800;padding:3px 6px;border-radius:6px;color:var(--paper);border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.06);margin-right:3px;font-size:.72rem}

/* Animations */
@keyframes shake {
  0% { transform: translate(1px, 1px) rotate(0deg); }
  10% { transform: translate(-1px, -2px) rotate(-1deg); }
  20% { transform: translate(-3px, 0px) rotate(1deg); }
  30% { transform: translate(3px, 2px) rotate(0deg); }
  40% { transform: translate(1px, -1px) rotate(1deg); }
  50% { transform: translate(-1px, 2px) rotate(-1deg); }
  60% { transform: translate(-3px, 1px) rotate(0deg); }
  70% { transform: translate(3px, 1px) rotate(-1deg); }
  80% { transform: translate(-1px, -1px) rotate(1deg); }
  90% { transform: translate(1px, 2px) rotate(0deg); }
  100% { transform: translate(1px, -2px) rotate(-1deg); }
}

.shake-intense { animation: shake 0.2s cubic-bezier(.36,.07,.19,.97) both; }
.shake-mild { animation: shake 0.4s cubic-bezier(.36,.07,.19,.97) both; animation-iteration-count: infinite; }

/* Touch */
.touch-controls{display:none;padding:10px 14px;gap:9px;background:rgba(3,10,20,.86);border-top:1px solid rgba(255,217,61,.12);touch-action:none;flex-direction:row}
.touch-flight{flex:1;}
.flight-stick{position:relative;width:100%;height:50px;background:rgba(255,255,255,.05);border-radius:25px;border:1px solid rgba(255,255,255,.1)}
.flight-knob{position:absolute;left:50%;top:50%;width:40px;height:40px;margin:-20px 0 0 -20px;background:var(--gold);border-radius:50%;pointer-events:none}
.touch-actions{flex:1;display:flex;gap:8px}
.touch-action{flex:1;min-height:50px;border-radius:12px;}

@media (hover:none),(pointer:coarse),(max-width:760px){
  .touch-controls{display:flex}.underbar .controls{display:none}
  .upgrade-list{grid-template-columns:1fr;}
}