:root {
  --bg: #04060d; --panel: rgba(9, 13, 28, 0.92); --line: rgba(90, 140, 255, 0.28);
  --text: #e8f1ff; --dim: #8fa3c8; --cyan: #3df5ff; --gold: #ffe14d; --red: #ff3355; --green: #5dff8f;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; background: var(--bg); color: var(--text);
  font-family: "Courier New", ui-monospace, Menlo, Consolas, monospace; font-weight: 700; user-select: none; -webkit-user-select: none; }
/* The game canvas is tiny; the browser scales it up with hard pixel edges. */
#game { position: fixed; left: 0; top: 0; display: block; image-rendering: pixelated; image-rendering: crisp-edges; }
@supports (image-rendering: pixelated) { #game { image-rendering: pixelated; } }
body.playing #game { cursor: none; }

#ui { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; padding: 16px; pointer-events: none; overflow-y: auto; }
.screen { display: none; pointer-events: auto; width: min(420px, 100%); max-height: 100%; overflow-y: auto; padding: 28px;
  background: #0b1022; border: 4px solid #2a3562; border-radius: 0;
  box-shadow: 0 0 0 4px #05060c, inset 0 0 0 2px #151b36, 10px 10px 0 4px rgba(0, 0, 0, 0.55); text-align: center; }
.screen.wide { width: min(900px, 100%); }
.screen.show { display: block; }

.logo { margin: 0; font-size: clamp(40px, 9vw, 64px); font-weight: 900; letter-spacing: 0.12em; line-height: 1;
  color: var(--text); text-shadow: 4px 4px 0 #1b6f7d, 8px 8px 0 #05060c; }
.logo span { color: var(--gold); text-shadow: 4px 4px 0 #8a6d12, 8px 8px 0 #05060c; }
.tag { color: var(--dim); margin: 12px 0 22px; font-size: 14px; }
h2 { margin: 0 0 18px; font-size: 22px; letter-spacing: 0.08em; text-transform: uppercase; }
.hint { color: var(--dim); font-size: 13px; margin: 14px 0 0; min-height: 1em; }
.err { color: var(--red); font-size: 13px; min-height: 18px; margin: 8px 0; }
.msg { color: var(--text); font-size: 15px; line-height: 1.5; margin: 0 0 20px; }
.label { font-size: 11px; letter-spacing: 0.14em; color: var(--dim); margin-bottom: 4px; }

.field { display: block; text-align: left; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim); margin-bottom: 16px; }
input { width: 100%; margin-top: 6px; padding: 11px 12px; font: inherit; font-size: 16px; letter-spacing: normal; text-transform: none; color: var(--text);
  background: #05060c; border: 2px solid #2a3562; border-radius: 0; outline: none; font-weight: 700; user-select: text; -webkit-user-select: text; }
input:focus { border-color: var(--cyan); }
.code-in { text-transform: uppercase; letter-spacing: 0.4em; text-align: center; font-size: 24px; font-weight: 800; }

.col { display: flex; flex-direction: column; gap: 10px; }
.row { display: flex; gap: 10px; }
.row > * { flex: 1; }
.row.center { justify-content: center; margin-top: 20px; }
.row.center > * { flex: 0 1 190px; }
.btn { padding: 12px 16px; font: inherit; font-size: 14px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text);
  background: #1a2244; border: 2px solid #46589f; border-radius: 0; cursor: pointer; box-shadow: 4px 4px 0 #05060c; }
.btn:hover:not(:disabled) { border-color: var(--cyan); background: #24306a; }
.btn:active:not(:disabled) { transform: translate(3px, 3px); box-shadow: 1px 1px 0 #05060c; }
.btn:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
.btn.primary { background: #14505e; border-color: var(--cyan); color: #fff; }
.btn.primary:hover:not(:disabled) { background: #1b6f7d; }
.btn.small { padding: 8px 12px; font-size: 12px; flex: 0 0 auto; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.on, .btn.on:hover:not(:disabled) { background: #1c5a36; border-color: var(--green); }

.heroes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.hero { --c: #fff; padding: 8px 9px; text-align: left; background: #070a16; border: 2px solid #2a3562; border-radius: 0; cursor: pointer; color: var(--text); font: inherit; }
.hero:hover { border-color: var(--c); }
.hero.sel { border-color: var(--c); box-shadow: 0 0 0 2px var(--c), 4px 4px 0 2px #05060c; background: color-mix(in srgb, var(--c) 12%, #070a16); }
.hero canvas { float: right; width: 40px; height: 40px; image-rendering: pixelated; margin: -2px -2px 0 6px; }
.heroes .cls { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--cyan); text-align: left; padding: 0 2px; margin-bottom: -4px; }
.hero h3 { margin: 0; font-size: 15px; color: var(--c); letter-spacing: 0.06em; text-transform: uppercase; }
.hero .role { font-size: 10px; letter-spacing: 0.14em; color: var(--dim); text-transform: uppercase; }
.hero p { margin: 5px 0; font-size: 11px; line-height: 1.3; color: #b9c7e6; font-weight: 400; }
.hero ul { margin: 0; padding: 0; list-style: none; font-size: 11px; color: var(--dim); line-height: 1.45; }
.hero ul b { color: var(--text); display: inline-block; min-width: 34px; }
.hero .meter { display: flex; gap: 8px; font-size: 10px; color: var(--dim); margin-top: 8px; }

.lobby-head { display: flex; gap: 20px; align-items: flex-end; text-align: left; margin-bottom: 18px; flex-wrap: wrap; }
.code { font-size: 40px; font-weight: 900; letter-spacing: 0.25em; color: var(--gold); text-shadow: 3px 3px 0 #8a6d12, 6px 6px 0 #05060c; user-select: text; -webkit-user-select: text; line-height: 1; }
.share { flex: 1; min-width: 240px; }
.share input { margin: 0; font-size: 13px; padding: 9px 10px; }
.players { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 14px; }
.pl { --c: var(--line); padding: 10px; border: 2px solid #2a3562; border-left: 6px solid var(--c); border-radius: 0; background: #070a16; text-align: left; min-height: 64px; }
.pl.empty { opacity: 0.4; border-style: dashed; display: flex; align-items: center; justify-content: center; color: var(--dim); font-size: 12px; }
.pl .n { font-weight: 700; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pl .h { font-size: 11px; color: var(--c); letter-spacing: 0.1em; text-transform: uppercase; }
.pl .r { font-size: 10px; letter-spacing: 0.12em; margin-top: 4px; color: var(--dim); }
.pl .r.ok { color: var(--green); }
.pl .r.host { color: var(--gold); }

.stats { width: 100%; border-collapse: collapse; font-size: 14px; margin: 6px 0 4px; }
.stats th { font-size: 10px; letter-spacing: 0.14em; color: var(--dim); font-weight: 600; padding: 6px 8px; text-align: right; border-bottom: 1px solid var(--line); }
.stats td { padding: 8px; text-align: right; border-bottom: 1px solid rgba(90, 140, 255, 0.12); font-variant-numeric: tabular-nums; }
.stats th:first-child, .stats td:first-child { text-align: left; }
.stats td small { display: block; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; }
.over-title { font-size: 40px; color: var(--red); text-shadow: 3px 3px 0 #7a1024, 6px 6px 0 #05060c; margin-bottom: 6px; }
.over-sub { color: var(--text); font-size: 16px; margin: 0 0 14px; }
.over-sub b { color: var(--gold); }

.board { text-align: left; font-size: 13px; max-height: 46vh; overflow-y: auto; }
.board.mini { max-height: 150px; margin-top: 10px; }
.board .r { display: grid; grid-template-columns: 34px 1fr 70px 90px; gap: 8px; padding: 6px 8px; border-bottom: 1px solid rgba(90, 140, 255, 0.12); align-items: center; font-variant-numeric: tabular-nums; }
.board .r.head { font-size: 10px; letter-spacing: 0.14em; color: var(--dim); }
.board .r span:nth-child(3), .board .r span:nth-child(4) { text-align: right; }
.board .r span:nth-child(2) { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.board .r:nth-child(2) span:first-child { color: var(--gold); font-weight: 800; }
.board .empty { color: var(--dim); padding: 14px; text-align: center; }

.help { display: grid; gap: 6px; text-align: left; font-size: 14px; }
.help div { display: grid; grid-template-columns: 110px 1fr; gap: 12px; padding: 7px 10px; background: #070a16; border: 2px solid #151b36; }
.help b { color: var(--cyan); letter-spacing: 0.06em; text-transform: uppercase; font-size: 12px; }
.help span { color: #c9d6f0; }

.armory { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 6px 0; }
.wcard { --c: var(--gold); position: relative; padding: 32px 14px 14px; text-align: left; color: var(--text); font: inherit; background: #070a16; border: 3px solid #2a3562; cursor: pointer; box-shadow: 4px 4px 0 #05060c; min-height: 170px; }
.wcard:hover { border-color: var(--c); background: #10162e; transform: translate(-1px, -2px); box-shadow: 6px 7px 0 #05060c; }
.wcard .k { position: absolute; top: 8px; right: 8px; font-size: 12px; color: #111; background: var(--gold); padding: 1px 7px; }
.wcard .tag { display: inline-block; font-size: 22px; letter-spacing: 0.08em; color: #05060c; background: var(--c); padding: 4px 8px; margin-bottom: 12px; box-shadow: 3px 3px 0 #05060c; }
.wcard .kind { position: absolute; top: 10px; left: 14px; font-size: 10px; letter-spacing: 0.16em; color: var(--dim); }
.wcard b { display: block; font-size: 16px; color: var(--c); letter-spacing: 0.06em; text-transform: uppercase; }
.wcard .lv { font-size: 11px; letter-spacing: 0.14em; color: var(--dim); margin: 4px 0 8px; }
.wcard .lv i { display: inline-block; width: 9px; height: 9px; margin-right: 3px; background: #2a3562; }
.wcard .lv i.on { background: var(--c); }
.wcard .lv i.new { background: #fff; }
.wcard p { margin: 0; font-size: 13px; line-height: 1.45; color: #c9d6f0; }
@media (max-width: 760px) { .armory { grid-template-columns: 1fr; } .wcard { min-height: 0; } }

#upgrades { position: fixed; left: 50%; bottom: 118px; transform: translateX(-50%); display: none; gap: 10px; z-index: 5; }
#upgrades.show { display: flex; }
.up { width: 172px; padding: 10px 12px; text-align: left; color: var(--text); font: inherit; background: #0b1022; border: 2px solid #8a6d12; border-radius: 0; cursor: pointer;
  box-shadow: 4px 4px 0 #05060c; animation: pop 0.18s steps(3); }
.up:hover { background: #2b2508; border-color: var(--gold); }
.up .k { float: right; font-size: 11px; font-weight: 800; color: #111; background: var(--gold); padding: 1px 6px; }
.up b { display: block; font-size: 13px; color: var(--gold); letter-spacing: 0.04em; }
.up span { font-size: 12px; color: #c9d6f0; }
.up-n { position: absolute; top: -20px; left: 0; right: 0; text-align: center; font-size: 11px; letter-spacing: 0.14em; color: var(--gold); text-shadow: 0 1px 3px #000; }
@keyframes pop { from { transform: translateY(10px); opacity: 0; } to { transform: none; opacity: 1; } }

#toast { position: fixed; top: 96px; left: 50%; transform: translateX(-50%); padding: 9px 16px; font-size: 13px; background: #0b1022; border: 2px solid #46589f; box-shadow: 4px 4px 0 #05060c; opacity: 0; transition: opacity 0.2s steps(3); pointer-events: none; z-index: 6; }
#toast.show { opacity: 1; }

@media (max-width: 760px) {
  .heroes, .players { grid-template-columns: repeat(2, 1fr); }
  .screen { padding: 20px; }
  .up { width: 30vw; }
}
@media (prefers-reduced-motion: reduce) { .up { animation: none; } }