:root{
  --bg:#05070f; --grid:#1a3a5c; --cyan:#3fe0ff; --violet:#b06bff;
  --magenta:#ff4fa3; --amber:#ffb033; --terran:#3fe0ff; --swarm:#ff4fa3;
  --synth:#ffb033; --panel:rgba(8,14,26,0.82); --edge:rgba(63,224,255,0.35);
  --danger:#ff4d5e; --hull:#ff7a4d; --shield:#3fe0ff; --armor:#c9d6e6;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%;overflow:hidden;background:var(--bg);
  font-family:'Chakra Petch',sans-serif;color:#dfeaf5;}
#scene-container{position:fixed;inset:0;z-index:0}
#root{position:fixed;inset:0;z-index:10;pointer-events:none}
#root>*{pointer-events:auto}
#auth-status{position:fixed;top:8px;right:12px;z-index:30;font-family:'Share Tech Mono',monospace;
  font-size:11px;color:#6b8199;pointer-events:auto}
button{font-family:'Chakra Petch',sans-serif;cursor:pointer;border:none;color:inherit}
.mono{font-family:'Share Tech Mono',monospace}

/* Starfield background */
#scene-container::before{content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at 30% 20%,rgba(63,224,255,0.06),transparent 60%),
             radial-gradient(ellipse at 70% 80%,rgba(176,107,255,0.06),transparent 60%);
  z-index:1;pointer-events:none}

/* Board depth: faint central glow lifts the middle of the board as the focal
   point, plus a soft vignette darkening toward the edges so the flat grid
   reads with subtle depth instead of a uniform sheet. */
#scene-container::after{content:'';position:absolute;inset:0;z-index:2;
  pointer-events:none;
  background:
    radial-gradient(ellipse 55% 55% at 50% 48%,rgba(90,150,220,0.10),transparent 55%),
    radial-gradient(ellipse 120% 120% at 50% 50%,transparent 42%,rgba(3,5,12,0.45) 78%,rgba(2,3,9,0.82) 100%);
  mix-blend-mode:normal;
  animation:boardBreath 9s ease-in-out infinite}
@keyframes boardBreath{
  0%,100%{opacity:.92}
  50%{opacity:1}
}

/* Panels */
.panel{background:var(--panel);border:1px solid var(--edge);
  backdrop-filter:blur(6px);box-shadow:0 0 24px rgba(0,0,0,0.5),inset 0 0 20px rgba(63,224,255,0.03)}
.clip{clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px))}
.glow{text-shadow:0 0 12px currentColor}

/* Title screen */
.overlay{position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;background:radial-gradient(ellipse at center,rgba(10,16,30,0.55),rgba(3,5,12,0.92));
  z-index:20;animation:fadeIn .5s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.logo{font-weight:700;font-size:clamp(38px,8vw,84px);letter-spacing:6px;line-height:.9;
  background:linear-gradient(180deg,#fff,var(--cyan) 60%,var(--violet));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 0 40px rgba(63,224,255,0.3);text-align:center}
.logo small{display:block;font-size:clamp(11px,2vw,15px);letter-spacing:8px;
  font-weight:300;color:#7fa8c9;margin-top:10px;-webkit-text-fill-color:#7fa8c9}
.menu-btn{margin:6px 0;padding:12px 40px;min-width:280px;font-size:16px;letter-spacing:3px;
  font-weight:600;background:rgba(63,224,255,0.06);border:1px solid var(--edge);
  color:var(--cyan);transition:.18s;text-transform:uppercase}
.menu-btn:hover{background:rgba(63,224,255,0.18);box-shadow:0 0 20px rgba(63,224,255,0.35);transform:translateY(-1px)}
.menu-btn.sec{color:#9fb6cc;border-color:rgba(159,182,204,0.25)}
.menu-btn.sec:hover{background:rgba(159,182,204,0.12);box-shadow:none}

/* HUD */
.topbar{position:absolute;top:0;left:0;right:0;display:flex;justify-content:center;padding:10px}
.topbar-inner{display:flex;gap:14px;align-items:center;padding:8px 22px;font-family:'Share Tech Mono',monospace;
  font-size:13px;letter-spacing:1px}
.phase-tag{font-weight:700;letter-spacing:2px}
.sidebar{position:absolute;top:64px;left:10px;width:190px;max-height:calc(100% - 220px);
  overflow-y:auto;padding:10px}
.init-row{display:flex;align-items:center;gap:8px;padding:5px 6px;margin-bottom:4px;
  border-left:3px solid transparent;transition:.15s;font-size:12px}
.init-row.active{border-left-color:var(--cyan);background:rgba(63,224,255,0.08)}
.init-row.dead{opacity:.32;filter:grayscale(1)}
.init-spr{width:26px;height:26px;image-rendering:pixelated;flex-shrink:0}
.mini-bar{height:3px;background:rgba(255,255,255,0.1);margin-top:2px;border-radius:2px;overflow:hidden}
.mini-bar>span{display:block;height:100%}

.shippanel{position:absolute;bottom:10px;left:10px;width:300px;padding:14px}
.shippanel h3{font-size:16px;letter-spacing:1px;font-weight:700;margin-bottom:2px}
.stat-row{display:flex;align-items:center;gap:8px;margin:6px 0;font-size:11px;font-family:'Share Tech Mono',monospace}
.stat-row label{width:52px;color:#8ba3ba;text-transform:uppercase;letter-spacing:1px}
.bar{flex:1;height:12px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.1);position:relative}
.bar>span{display:block;height:100%;transition:width .3s}
.bar em{position:absolute;right:4px;top:-1px;font-style:normal;font-size:10px;color:#fff}
.ap-dots{display:flex;gap:5px;margin:4px 0}
.ap-dot{width:16px;height:16px;border:1px solid var(--cyan);transform:rotate(45deg);transition:.2s}
.ap-dot.on{background:var(--cyan);box-shadow:0 0 8px var(--cyan)}

.actions{position:absolute;bottom:10px;right:10px;width:220px;padding:12px;display:flex;flex-direction:column;gap:6px}
.act-btn{padding:9px;font-size:13px;letter-spacing:1px;font-weight:600;text-align:left;
  background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.12);transition:.15s;
  display:flex;justify-content:space-between;align-items:center}
.act-btn:hover:not(:disabled){background:rgba(63,224,255,0.14);border-color:var(--cyan)}
.act-btn.on{background:rgba(63,224,255,0.2);border-color:var(--cyan);box-shadow:0 0 14px rgba(63,224,255,0.3)}
.act-btn.fire{border-color:rgba(255,122,77,0.4)} .act-btn.fire:hover:not(:disabled){background:rgba(255,122,77,0.18);border-color:var(--hull)}
.act-btn.end{border-color:rgba(176,107,255,0.5);color:var(--violet)} .act-btn.end:hover{background:rgba(176,107,255,0.18)}
.act-btn:disabled{opacity:.35;cursor:not-allowed}
.act-cost{font-family:'Share Tech Mono',monospace;font-size:10px;color:#8ba3ba}

.cam-ctrl{position:absolute;top:64px;right:10px;display:flex;flex-direction:column;gap:5px}
.cam-btn{width:38px;height:38px;font-size:16px;font-weight:700;background:var(--panel);
  border:1px solid var(--edge);color:var(--cyan);display:flex;align-items:center;justify-content:center}
.cam-btn:hover{background:rgba(63,224,255,0.18)}

.tooltip{position:absolute;padding:6px 10px;font-family:'Share Tech Mono',monospace;font-size:11px;
  pointer-events:none;transform:translate(-50%,-130%);white-space:nowrap;z-index:25;line-height:1.5}

.log{position:absolute;bottom:10px;left:50%;transform:translateX(-50%);width:min(440px,60vw);
  max-height:120px;overflow-y:auto;padding:8px 12px;font-family:'Share Tech Mono',monospace;
  font-size:11px;line-height:1.6;opacity:.92}
.log div{border-left:2px solid var(--edge);padding-left:8px;margin-bottom:2px;animation:slideIn .3s}
@keyframes slideIn{from{opacity:0;transform:translateX(-6px)}to{opacity:1;transform:none}}

.hitcalc{position:absolute;padding:8px 14px;font-family:'Share Tech Mono',monospace;font-size:12px;
  z-index:26;transform:translate(-50%,-120%);text-align:center;line-height:1.6}

/* Setup screen */
.setup{position:absolute;inset:0;overflow-y:auto;padding:24px;z-index:20;
  background:radial-gradient(ellipse at center,rgba(10,16,30,0.7),rgba(3,5,12,0.95))}
.setup-inner{max-width:840px;margin:0 auto}
.setup h2{font-size:26px;letter-spacing:4px;font-weight:700;margin-bottom:4px;text-align:center}
.setup h2 span{color:var(--cyan)}
.sub{text-align:center;color:#7fa8c9;font-size:12px;letter-spacing:2px;margin-bottom:22px}
.section{margin:18px 0}
.section-label{font-family:'Share Tech Mono',monospace;font-size:11px;letter-spacing:2px;
  color:#8ba3ba;text-transform:uppercase;margin-bottom:8px;border-bottom:1px solid var(--edge);padding-bottom:4px}
.opt-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.opt{padding:12px;border:1px solid rgba(255,255,255,0.12);background:rgba(255,255,255,0.02);transition:.15s;text-align:center}
.opt:hover{border-color:var(--cyan)}
.opt.sel{border-color:var(--cyan);background:rgba(63,224,255,0.1);box-shadow:0 0 16px rgba(63,224,255,0.2)}
.opt img{width:54px;height:54px;image-rendering:pixelated;margin:0 auto 6px;display:block}
.opt .n{font-size:13px;font-weight:600;letter-spacing:1px}
.opt .d{font-size:10px;color:#8ba3ba;margin-top:3px;font-family:'Share Tech Mono',monospace;line-height:1.4}
.ship-slot{display:flex;gap:10px;align-items:center;padding:10px;margin-bottom:6px;
  border:1px solid rgba(255,255,255,0.1);background:rgba(255,255,255,0.02)}
.ship-slot img{width:44px;height:44px;image-rendering:pixelated}
.ship-slot select{flex:1;background:#0a1120;color:#dfeaf5;border:1px solid var(--edge);padding:6px;
  font-family:'Share Tech Mono',monospace;font-size:12px}
.launch{display:block;width:100%;margin:24px 0 40px;padding:16px;font-size:18px;letter-spacing:4px;
  font-weight:700;background:linear-gradient(90deg,rgba(63,224,255,0.15),rgba(176,107,255,0.15));
  border:1px solid var(--cyan);color:var(--cyan);text-transform:uppercase;transition:.2s}
.launch:hover{box-shadow:0 0 30px rgba(63,224,255,0.4);transform:translateY(-2px)}

.slot-list{display:flex;flex-direction:column;gap:8px;width:min(420px,86vw)}
.slot{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;
  border:1px solid var(--edge);background:rgba(255,255,255,0.02);transition:.15s}
.slot:hover{background:rgba(63,224,255,0.08)}
.slot .empty{color:#5a7188;font-style:italic}
.slot .meta{font-family:'Share Tech Mono',monospace;font-size:11px;color:#8ba3ba}
.slot button{padding:5px 12px;font-size:11px;letter-spacing:1px;border:1px solid var(--edge);
  color:var(--cyan);background:rgba(63,224,255,0.06)}
.result-stat{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid rgba(255,255,255,0.08);
  font-family:'Share Tech Mono',monospace;font-size:14px;width:min(360px,80vw)}
.footer{position:absolute;bottom:6px;right:14px;z-index:28;font-size:11px}
.footer a{color:#5a7188;text-decoration:none}
.footer a:hover{color:var(--cyan)}
.close-x{position:absolute;top:16px;right:20px;font-size:24px;color:#7fa8c9;background:none}
/* Keyboard help */
.kb-hint{font-size:10px;letter-spacing:1px;color:#5a7188;text-align:center;
  margin-top:4px;padding-top:6px;border-top:1px solid rgba(255,255,255,0.08);cursor:default}
.help-overlay{z-index:45;cursor:pointer}
.help-card{position:relative;width:min(420px,90vw);padding:26px 28px;cursor:default;
  background:var(--panel);border:1px solid var(--edge);
  box-shadow:0 0 48px rgba(63,224,255,0.18),inset 0 0 24px rgba(176,107,255,0.05)}
.kb-list{display:flex;flex-direction:column;gap:2px}
.kb-row{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:8px 4px;border-bottom:1px solid rgba(255,255,255,0.06)}
.kb-keys{display:flex;gap:5px;flex-shrink:0}
.kb-row kbd{font-family:'Share Tech Mono',monospace;font-size:11px;letter-spacing:1px;
  color:var(--cyan);background:rgba(63,224,255,0.08);border:1px solid var(--edge);
  border-bottom-width:2px;border-radius:3px;padding:3px 8px;min-width:26px;text-align:center;
  box-shadow:0 2px 0 rgba(0,0,0,0.4)}
.kb-desc{font-size:12px;color:#aac4dc;text-align:right}
.lb-row{display:flex;justify-content:space-between;padding:7px 12px;font-family:'Share Tech Mono',monospace;
  font-size:12px;border-bottom:1px solid rgba(255,255,255,0.06)}
.spinner{display:inline-block;width:14px;height:14px;border:2px solid var(--edge);border-top-color:var(--cyan);
  border-radius:50%;animation:spin .8s linear infinite;vertical-align:middle}
@keyframes spin{to{transform:rotate(360deg)}}
.toast{position:absolute;top:60px;left:50%;transform:translateX(-50%);padding:10px 20px;z-index:40;
  font-family:'Share Tech Mono',monospace;font-size:12px;letter-spacing:1px;animation:fadeIn .3s}

@media (max-width:720px){
  .sidebar{display:none}
  .shippanel{width:calc(50% - 14px);bottom:10px;left:8px;padding:10px}
  .actions{width:calc(50% - 14px);right:8px;padding:8px}
  .act-btn{padding:7px;font-size:11px}
  .log{display:none}
  .cam-ctrl{top:56px}
}
</style>