:root{
  --bg:#05060f; --panel:#0c1322; --panel2:#111b30; --line:#1d2c47;
  --cyan:#5ad1ff; --green:#7df0a0; --amber:#ffd24a; --red:#ff6b6b; --purple:#b46bff;
  --txt:#dbe7f5; --muted:#7e92ad;
  --metal:#c8915a; --crystal:#5ad1ff; --deut:#9a7bff; --credits:#ffd24a;
  --font:'Rajdhani','Segoe UI',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{background:var(--bg);color:var(--txt);font-family:var(--font);overflow:hidden;letter-spacing:.3px;-webkit-font-smoothing:antialiased}
button,input,select{font-family:var(--font);color:var(--txt)}
kbd{font-family:var(--font);background:#0008;border:1px solid var(--line);border-radius:4px;padding:0 5px;font-size:.7em;opacity:.8}
b{color:#fff}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#24344f;border-radius:6px}
::-webkit-scrollbar-track{background:transparent}

/* starfield bg for menus */
#stars-bg{position:fixed;inset:0;background:radial-gradient(circle at 30% 20%,#0c1330,#05060f 70%);z-index:0}
#stars-bg span{position:absolute;inset:-50%;background-repeat:repeat;animation:drift linear infinite}
#stars-bg span:nth-child(1){background-image:radial-gradient(1px 1px at 20px 30px,#fff,transparent),radial-gradient(1px 1px at 130px 80px,#cfe,transparent),radial-gradient(1.5px 1.5px at 220px 160px,#9bd,transparent);background-size:240px 240px;opacity:.5;animation-duration:140s}
#stars-bg span:nth-child(2){background-image:radial-gradient(1px 1px at 60px 120px,#fff,transparent),radial-gradient(1.5px 1.5px at 200px 40px,#bdf,transparent);background-size:320px 320px;opacity:.35;animation-duration:200s}
#stars-bg span:nth-child(3){background-image:radial-gradient(2px 2px at 100px 200px,#fff,transparent);background-size:480px 480px;opacity:.25;animation-duration:300s}
@keyframes drift{from{transform:translate(0,0)}to{transform:translate(-240px,-180px)}}

#netstatus{position:fixed;top:8px;right:10px;width:9px;height:9px;border-radius:50%;z-index:50;box-shadow:0 0 8px currentColor}
#netstatus.on{background:var(--green);color:var(--green)}
#netstatus.off{background:var(--red);color:var(--red)}

/* screens */
.screen{position:fixed;inset:0;display:none;z-index:1}
.screen.active{display:block}
#screen-menu,#screen-create{display:none;overflow:auto}
#screen-menu.active,#screen-create.active{display:flex;align-items:center;justify-content:center}

/* menu */
.menu{position:relative;z-index:2;text-align:center;padding:30px}
.menu .logo{font-size:80px;filter:drop-shadow(0 0 24px var(--cyan));animation:float 4s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-12px)}}
.menu h1{font-size:64px;font-weight:700;letter-spacing:10px;margin:6px 0;background:linear-gradient(90deg,var(--cyan),#fff,var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 0 40px #5ad1ff44}
.tagline{color:var(--muted);margin-bottom:30px;letter-spacing:2px}
.menu-btns{display:flex;flex-direction:column;gap:12px;width:320px;margin:0 auto}
.menu-foot{margin-top:30px;color:#4a5a72;font-size:13px}

.btn{cursor:pointer;border:1px solid var(--line);background:var(--panel);padding:13px 18px;border-radius:10px;font-size:16px;font-weight:600;letter-spacing:1px;transition:.15s;text-transform:uppercase}
.btn:hover{transform:translateY(-2px);border-color:var(--cyan);box-shadow:0 6px 24px #5ad1ff22}
.btn.primary{background:linear-gradient(180deg,#173455,#0e2138);border-color:#2c6f9e;color:#dff1ff}
.btn.primary:hover{background:linear-gradient(180deg,#1d4673,#102a47);box-shadow:0 0 26px #5ad1ff55}
.btn.ghost{background:transparent}
.btn.big{font-size:18px;padding:16px 26px}

/* create */
.create{position:relative;z-index:2;max-width:920px;width:94%;margin:30px auto;padding:26px;background:#0a1120cc;border:1px solid var(--line);border-radius:16px;backdrop-filter:blur(4px)}
.create h2{letter-spacing:4px;margin-bottom:18px;color:var(--cyan)}
.create h3{margin:20px 0 10px;color:var(--muted);font-weight:600;letter-spacing:2px;font-size:14px}
.field-row{display:flex;gap:16px;flex-wrap:wrap}
.field{flex:1;min-width:220px}
.field label{display:block;color:var(--muted);font-size:12px;letter-spacing:2px;margin-bottom:5px}
.field input{width:100%}
input,select{background:#0b1426;border:1px solid var(--line);border-radius:8px;padding:11px 12px;font-size:15px;outline:none}
input:focus,select:focus{border-color:var(--cyan)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.card{cursor:pointer;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px;transition:.15s}
.card:hover{transform:translateY(-3px);border-color:var(--accent,#5ad1ff)}
.card.sel{border-color:var(--accent,#5ad1ff);box-shadow:0 0 0 1px var(--accent,#5ad1ff),0 8px 24px #0008;background:var(--panel2)}
.card-title{font-size:18px;font-weight:700;margin-bottom:6px}
.card-desc{color:var(--muted);font-size:13px;line-height:1.4}
.card-stats{margin-top:8px;font-size:12px;color:#9fc4e6}
.create-foot{display:flex;justify-content:space-between;align-items:center;margin-top:24px;gap:12px;flex-wrap:wrap}

/* game canvas */
#game-canvas{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:crosshair}

/* top bar */
#topbar{position:absolute;top:0;left:0;right:0;display:flex;gap:8px;padding:8px 12px;align-items:center;flex-wrap:wrap;background:linear-gradient(#05060fcc,transparent);z-index:5;pointer-events:none}
.chip{display:flex;align-items:center;gap:6px;background:#0b1426cc;border:1px solid var(--line);border-radius:8px;padding:5px 10px;font-size:14px;font-weight:600}
.chip i{font-style:normal;opacity:.9}
.chip.metal i{color:var(--metal)} .chip.crystal i{color:var(--crystal)} .chip.deut i{color:var(--deut)} .chip.credits i{color:var(--credits)} .chip.cargo i{color:#9fb3c8}
.chip.buff{border-color:var(--green);color:var(--green);animation:pulse 1.4s infinite}
@keyframes pulse{50%{box-shadow:0 0 14px #7df0a088}}
#topbar .sep{flex:0 0 1px;height:22px;background:var(--line);margin:0 4px}

/* left hud */
#hud-left{position:absolute;top:54px;left:12px;z-index:5;background:#0b1426aa;border:1px solid var(--line);border-radius:10px;padding:10px 12px;width:230px;pointer-events:none}
.ship-name{font-size:16px;font-weight:700;color:#fff}
.ship-type{font-size:13px;color:var(--muted);margin-bottom:8px}
.xpbar{position:relative;height:16px;background:#0008;border:1px solid var(--line);border-radius:8px;overflow:hidden}
#hud-xpfill{position:absolute;inset:0;width:0;background:linear-gradient(90deg,var(--cyan),var(--purple));transition:width .4s}
.xpbar span{position:relative;font-size:11px;line-height:16px;padding-left:8px;color:#dff;text-shadow:0 1px 2px #000}
.ministats{display:flex;gap:10px;margin-top:8px;font-size:12px;color:var(--muted);flex-wrap:wrap}

/* action bar */
#actionbar{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:6;flex-wrap:wrap;justify-content:center}
.actionbtn{cursor:pointer;background:#0b1426dd;border:1px solid var(--line);border-radius:10px;padding:9px 14px;font-size:14px;font-weight:600;transition:.15s}
.actionbtn:hover{border-color:var(--cyan);transform:translateY(-2px)}

/* chat */
#chat{position:absolute;bottom:64px;left:12px;width:320px;z-index:6;display:flex;flex-direction:column;gap:6px}
#chat-log{height:150px;overflow:auto;background:#08101eaa;border:1px solid var(--line);border-radius:10px;padding:8px;font-size:13px;display:flex;flex-direction:column;gap:3px}
.chatline{line-height:1.35;word-break:break-word}
.chatline.system{color:var(--amber);font-style:italic}
.ch-global{color:var(--purple)} .ch-sector{color:var(--cyan)}
.chat-in{display:flex;gap:6px}
.chat-in select{padding:6px;font-size:12px;flex:0 0 80px}
.chat-in input{flex:1;padding:7px 9px;font-size:13px}

/* feeds */
#killfeed{position:absolute;top:90px;left:50%;transform:translateX(-50%);z-index:5;display:flex;flex-direction:column;align-items:center;gap:3px;pointer-events:none}
.kill{color:#ffb1b1;font-size:14px;font-weight:600;text-shadow:0 1px 3px #000;animation:fadeup .4s}
#rewardfeed{position:absolute;top:46%;left:50%;transform:translateX(-50%);z-index:5;display:flex;flex-direction:column;align-items:center;gap:5px;pointer-events:none}
.reward{background:#0b1426cc;border:1px solid var(--amber);color:var(--amber);border-radius:20px;padding:5px 16px;font-weight:700;font-size:15px;animation:risein .4s}
.reward.out{opacity:0;transform:translateY(-20px);transition:.5s}
@keyframes risein{from{opacity:0;transform:translateY(16px)}}
@keyframes fadeup{from{opacity:0;transform:translateY(8px)}}
#notices{position:absolute;top:46px;right:12px;z-index:7;display:flex;flex-direction:column;gap:8px;width:300px}
.toast{background:#0b1426ee;border-left:3px solid var(--cyan);border-radius:8px;padding:10px 12px;font-size:13px;box-shadow:0 6px 24px #0008;animation:slidein .3s}
.toast.good{border-color:var(--green)} .toast.bad{border-color:var(--red)} .toast.build{border-color:var(--amber)}
.toast.out{opacity:0;transform:translateX(30px);transition:.4s}
@keyframes slidein{from{opacity:0;transform:translateX(30px)}}

/* panel */
#panel-wrap{position:absolute;inset:0;z-index:20;display:none}
#panel-wrap.show{display:block}
#panel-backdrop{position:absolute;inset:0;background:#02040acc;backdrop-filter:blur(2px)}
#panel{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:min(960px,94vw);max-height:88vh;display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:0 20px 80px #000c;overflow:hidden}
#panel-head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line);background:#0a1426}
#panel-title{font-size:18px;font-weight:700;letter-spacing:3px;color:var(--cyan)}
#panel-close{cursor:pointer;background:transparent;border:1px solid var(--line);border-radius:8px;width:34px;height:34px;font-size:16px}
#panel-close:hover{border-color:var(--red);color:var(--red)}
#panel-body{padding:18px;overflow:auto}
.sub{color:var(--muted);font-size:12px;letter-spacing:2px;margin:16px 0 8px;border-bottom:1px solid var(--line);padding-bottom:5px}
.muted{color:var(--muted);font-size:13px;line-height:1.5;margin:6px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}

/* items */
.item{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:10px}
.item.sel{box-shadow:0 0 0 1px var(--cyan)}
.item-head{display:flex;justify-content:space-between;font-weight:700;font-size:14px;margin-bottom:4px}
.item-stat{color:#9fc4e6;font-size:12px;min-height:16px;margin-bottom:8px}
.item-btns{display:flex;gap:6px}
.item-btns button{flex:1;cursor:pointer;background:#16335a;border:1px solid #2c6f9e;border-radius:7px;padding:6px;font-size:12px;font-weight:600}
.item-btns button:hover{background:#1d4673}
.item-btns button.ghost{background:transparent;border-color:var(--line)}
.item-btns button:disabled{opacity:.4;cursor:not-allowed}
.tag{font-size:11px;color:var(--green);align-self:center}

/* planets */
.planet{background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:14px}
.planet-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.planet-head .rates{margin-left:auto;font-size:12px;color:#9fc4e6}
.queue{background:#1a1330;border:1px solid #3a2a5e;border-radius:8px;padding:7px 10px;font-size:13px;color:var(--amber);margin-bottom:10px}
.bldgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:9px}
.bld{background:#0b1426;border:1px solid var(--line);border-radius:9px;padding:10px}
.bld-head{display:flex;justify-content:space-between;font-weight:700;font-size:13px}
.bld-desc{color:var(--muted);font-size:11px;margin:5px 0;min-height:28px;line-height:1.3}
.bld-cost{font-size:12px;color:#9fc4e6;margin-bottom:7px}
.bld-cost.short{color:var(--red)}
.bld button{width:100%;cursor:pointer;background:#16335a;border:1px solid #2c6f9e;border-radius:7px;padding:6px;font-size:12px;font-weight:600}
.bld button:hover:not(:disabled){background:#1d4673}
.bld button:disabled{opacity:.4;cursor:not-allowed}

/* map */
.mapgrid{display:grid;gap:2px;margin-top:10px}
.cell{aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:11px;border-radius:3px;cursor:pointer;color:#cfe;border:1px solid #ffffff10;transition:.1s}
.cell:hover{outline:1px solid var(--cyan);transform:scale(1.18);z-index:2}
.cell.cur{outline:2px solid #fff;color:#fff;font-weight:700}
.cell.mine{outline:1px solid var(--green)}

/* social */
.addfriend{display:flex;gap:8px;margin-bottom:6px}
.addfriend input{flex:1}
.addfriend button,.frow button{cursor:pointer;background:#16335a;border:1px solid #2c6f9e;border-radius:7px;padding:7px 12px;font-size:13px;font-weight:600}
.addfriend button:hover,.frow button:hover{background:#1d4673}
.frow button.ghost{background:transparent;border-color:var(--line)}
.frow{display:flex;align-items:center;gap:8px;padding:8px 10px;background:var(--panel2);border:1px solid var(--line);border-radius:9px;margin-bottom:6px}
.frow span:last-child{margin-left:auto}

/* help */
.help{line-height:1.6;font-size:14px}
.help h4{color:var(--cyan);margin:14px 0 4px;letter-spacing:1px}
.help ul{margin-left:18px} .help li{margin:3px 0}
.help p{margin:8px 0}

@media (max-width:680px){
  .menu h1{font-size:42px;letter-spacing:5px}
  #chat{width:220px} #hud-left{width:180px}
  #topbar{font-size:12px}
}