:root{color-scheme:dark;font:14px/1.5 system-ui,-apple-system,BlinkMacSystemFont,sans-serif;background:#080c10;color:#eef2f3;--muted:#8b979e;--line:#273039;--accent:#b8d993;--panel:#10161b}
*{box-sizing:border-box}
body{margin:0}
button,input,select{font:inherit}
button,a,input,select{-webkit-tap-highlight-color:transparent}
button{border:1px solid var(--line);border-radius:5px;background:#1b242b;color:inherit;padding:11px 15px;cursor:pointer;transition:background .15s,border-color .15s}
button:hover:not(:disabled){background:#26323b;border-color:#586873}
button:disabled{opacity:.4;cursor:default}
button.primary{background:var(--accent);border-color:var(--accent);color:#152015;font-weight:650}
button.primary:hover:not(:disabled){background:#cbe4b0;border-color:#cbe4b0}
button.primary span{margin-left:18px}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
[hidden]{display:none!important}
.topbar{height:90px;padding:0 48px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:62px}
.wordmark{font-size:36px;line-height:.8;font-weight:750;letter-spacing:.15em}
.wordmark span{display:block;margin-top:10px;font:8px/1 monospace;letter-spacing:.23em}
.topbar nav{align-self:stretch;display:flex;gap:34px;align-items:center;font-size:11px;letter-spacing:.14em;font-weight:650}
.topbar nav a{height:100%;display:flex;align-items:center;gap:9px;border-bottom:2px solid transparent;color:var(--muted)}
.topbar nav a.active{border-color:var(--accent);color:#eef2f3}
.topbar nav span{font:10px monospace;color:var(--accent)}
.build-badge{margin-left:auto;border:1px solid var(--line);border-radius:4px;padding:7px 10px;font:9px monospace;letter-spacing:.1em;color:var(--muted);display:flex;gap:7px;align-items:center}
i{width:6px;height:6px;display:inline-block;border-radius:50%;background:#68757d}
.build-badge i{background:var(--accent)}
main{max-width:1640px;margin:0 auto;padding:32px 48px 24px}
.page-heading{display:flex;align-items:flex-end;justify-content:space-between;margin:4px 0 28px;gap:24px}
.eyebrow{margin:0 0 7px;font:9px/1.5 monospace;letter-spacing:.19em;color:var(--accent)}
h1{margin:0;font-size:32px;line-height:1.2;letter-spacing:-.045em;font-weight:600}
.page-heading>p{margin:0;font-size:12px;text-align:right;color:#b8c0c4}
.page-heading>p span{color:var(--muted)}
.play-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:24px;align-items:start}
.game-column{min-width:0}
.game-stage{position:relative;aspect-ratio:16/10;min-height:380px;background:#03070a;overflow:hidden;border:1px solid #303c45;border-radius:7px}
.stage-label{position:absolute;top:23px;left:25px;right:25px;display:flex;justify-content:space-between;z-index:2;pointer-events:none;font:9px monospace;letter-spacing:.14em;color:#c5d3db}
.stage-label>span:first-child{padding:5px 8px;border:1px solid #687d8460;border-radius:2px}
.stage-label>span:last-child{padding-top:6px;color:#8499a4}
.game-placeholder{position:absolute;inset:0;background:radial-gradient(ellipse at 73% 33%,#264c6266,transparent 55%),radial-gradient(ellipse at 73% 78%,#38665026,transparent 50%),linear-gradient(105deg,#0c1720,#15252e 60%,#081219);overflow:hidden}
.game-placeholder:before{content:"";position:absolute;inset:0;background-image:radial-gradient(#8bb1c759 .7px,transparent .8px);background-size:64px 51px;opacity:.3;mask-image:linear-gradient(90deg,transparent,#000)}
.game-placeholder:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,#060e17e6,transparent 65%);pointer-events:none}
.halo-orbit{position:absolute;right:0;top:2%;width:54%;height:90%;border:34px solid #3d687b;border-right-color:#678a94;border-bottom-color:#294d60;border-radius:50%;transform:rotate(-29deg) rotateY(58deg);box-shadow:inset -9px 0 25px #0d2637,0 0 50px #6088a536;opacity:.55}
.mission-copy{position:absolute;left:38px;bottom:70px;z-index:1}
.mission-copy .eyebrow{font-size:10px;color:#a9c4d4}
.mission-copy h2{font-size:clamp(36px,4.8vw,66px);line-height:1.02;letter-spacing:-.05em;font-weight:600;margin:12px 0 18px}
.mission-copy>p:last-child{font-size:12px;color:#a0b1bc;line-height:1.8}
.stage-footer{position:absolute;bottom:22px;left:26px;right:26px;display:flex;justify-content:space-between;z-index:1;font:8px monospace;letter-spacing:.12em;color:#6c8594}
#canvas{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:contain;background:#000}
#canvas:fullscreen{width:100vw;height:100vh;object-fit:contain}
.game-stage.is-running .stage-label{display:none}
.game-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px 0;border-bottom:1px solid var(--line)}
.actions{display:flex;flex-wrap:wrap;gap:8px}
.icon-button{font-size:18px;padding:7px 13px}
#fps{font:10px monospace;font-variant-numeric:tabular-nums;color:var(--muted);white-space:nowrap}
.player-options{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 0}
.audio-controls{display:flex;align-items:center;gap:14px}
.audio-controls label{font:9px monospace;letter-spacing:.09em;color:var(--muted)}
#volume-value{letter-spacing:0;color:#c4ced3;margin-left:8px;display:inline-block;min-width:36px}
#volume{width:110px;accent-color:var(--accent);height:14px}
.text-button{padding:0;background:transparent;border:0;color:var(--muted);font-size:11px}
.text-button:hover:not(:disabled){background:transparent;color:#e5edf1;border-color:transparent}
.engine-status{display:flex;align-items:center;gap:9px}
.engine-status i{background:var(--accent);flex-shrink:0}
#status{margin:0;color:#abb9c2;font-size:11px;white-space:pre-wrap}
#instructions{font-size:11px;color:#71848f;white-space:pre-wrap;overflow-wrap:anywhere;margin:8px 0}
#controls{color:var(--muted);font-size:11px}
.game-log{margin-top:16px;font-size:11px;color:#738791}
.game-log summary{cursor:pointer}
#log{white-space:pre-wrap;overflow-wrap:anywhere;max-height:220px;overflow:auto;font-size:10px}
.fireteam-panel{background:var(--panel);border:1px solid var(--line);border-radius:7px;padding:23px}
.panel-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.panel-heading h2{font-size:22px;font-weight:550;letter-spacing:-.025em;margin:0}
.panel-heading .eyebrow{font-size:8px;margin-bottom:4px}
.count-badge{font:11px monospace;color:#c2d0d6;background:#1b252d;border:1px solid #35434c;border-radius:4px;padding:6px 9px}
.connection-status{display:flex;align-items:center;gap:7px;font-size:10px;color:#8b9aA3;margin-bottom:20px}
.connection-status[data-state=connected] i{background:var(--accent)}
.connection-status[data-state=connecting] i{background:#d4b574}
.connection-status[data-state=error] i{background:#d18b7b}
.field-label{display:block;font:8px monospace;letter-spacing:.13em;color:#82939d;margin-bottom:8px}
input:not([type=range]),select{width:100%;border:1px solid #33414b;border-radius:4px;background:#0b1116;padding:10px 11px;color:#e2e9ed;min-width:0;font-size:12px}
input::placeholder{color:#5f737f}
input:disabled,select:disabled{opacity:.65}
#player-name{margin-bottom:11px}
.full-width{width:100%;display:flex;justify-content:space-between}
.join-row{display:flex;gap:8px;margin-top:9px}
.join-row input{text-transform:uppercase;letter-spacing:.12em;font:10px monospace}
.join-row button{font-size:11px;padding:9px 15px}
.room-invite{display:flex;align-items:center;justify-content:space-between;padding:12px 0 4px}
.room-invite .field-label{margin:0 0 4px}
.room-invite strong{font:17px monospace;letter-spacing:.17em;color:var(--accent)}
.room-invite button{font-size:10px;padding:8px 10px}
.player-slots{list-style:none;padding:0;margin:20px 0;display:grid;gap:6px}
.player-slot{display:flex;align-items:center;gap:10px;border:1px solid #253039;border-radius:4px;min-height:41px;padding:7px 10px;background:#0e151b}
.slot-number{font:9px monospace;color:#3e5664;width:14px}
.slot-avatar{width:23px;height:23px;display:flex;justify-content:center;align-items:center;border-radius:3px;background:#223238;color:#bdd7ce;font:10px monospace}
.slot-name{font-size:11px;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.slot-meta{display:block;font:7px monospace;letter-spacing:.05em;color:#7e959f}
.player-slot.empty{background:transparent;border-style:dashed;border-color:#24313a;min-height:34px}
.empty .slot-name{font-size:10px;color:#47606e}
.mission-settings{border-top:1px solid var(--line);padding-top:18px;display:grid;grid-template-columns:1fr;gap:0}
.mission-settings select{margin-bottom:13px;font-size:11px}
.room-controls{display:flex;gap:7px}
.room-controls button{font-size:10px;padding:10px 11px;flex:1}
.room-status{font-size:10px;line-height:1.6;color:#9aadb8;margin:12px 0}
.coop-note{border-top:1px solid var(--line);padding-top:14px;margin-top:15px}
.tag{font:7px monospace;letter-spacing:.09em;color:#b9bd8c;border:1px solid #60613d;border-radius:2px;padding:3px 5px}
.coop-note p{font-size:10px;color:#788b96;line-height:1.65;margin:9px 0 0}
.leave-room{margin-top:16px}
.page-footer{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:30px;padding-top:17px;font:8px monospace;letter-spacing:.1em;color:#485d6a}
@media(min-width:1450px){.play-layout{grid-template-columns:minmax(0,1fr) 350px}
.game-stage{aspect-ratio:16/10}
}
@media(max-width:1050px){.topbar{padding:0 26px;gap:35px}
main{padding:28px 26px}
.play-layout{grid-template-columns:minmax(0,1fr) 300px;gap:18px}
.fireteam-panel{padding:18px}
.game-stage{min-height:380px}
.game-toolbar{align-items:flex-start;flex-direction:column;gap:10px}
.mission-copy{left:26px}
.mission-copy h2{font-size:42px}
.stage-footer{font-size:6px}
}
@media(max-width:780px){.topbar{height:76px;padding:0 20px;gap:28px}
.wordmark{font-size:29px}
.wordmark span{font-size:6px}
.topbar nav{gap:20px;font-size:9px}
.build-badge{display:none}
main{padding:25px 20px}
.page-heading{align-items:flex-start;flex-direction:column;gap:12px}
.page-heading>p{text-align:left}
h1{font-size:28px}
.play-layout{grid-template-columns:1fr}
.game-stage{min-height:330px;aspect-ratio:16/11}
.game-toolbar{flex-direction:row;align-items:center;flex-wrap:wrap}
.fireteam-panel{padding:22px}
.player-slots{grid-template-columns:1fr 1fr}
.mission-copy h2{font-size:43px}
.page-footer span:last-child{display:none}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}
}