:root{--paper:#ffffff;--ink:#222321;--muted:#777873;--red:#c73136;--line:#d7d7cf;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;overflow:hidden}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer;border:1px solid var(--line);background:var(--paper);border-radius:0}button:hover{border-color:var(--ink)}button:focus-visible,a:focus-visible{outline:2px solid var(--red);outline-offset:4px}button:disabled{opacity:.35;cursor:default}[hidden]{display:none!important}
kbd{font:10px var(--mono);border:1px solid #c9c9c1;min-width:19px;padding:2px 4px;display:inline-block;text-align:center}
#arena{height:calc(100dvh - 58px);position:relative;overflow:hidden}canvas{width:100%;height:100%;display:block;outline:none;touch-action:none}
footer{height:58px;padding:0 24px;border-top:1px solid var(--line);display:flex;align-items:center;gap:24px;font:9px var(--mono);letter-spacing:.5px}footer>div{display:flex;gap:16px}footer>div>span{display:flex;gap:4px;align-items:center}.footer-rule{color:var(--muted);margin-left:auto;white-space:nowrap}.header-actions{margin-left:auto;display:flex;gap:6px;align-items:center}.header-actions button{padding:10px;font:11px var(--mono);border-color:transparent;white-space:nowrap}.header-actions button:hover{border-color:var(--line)}.header-actions kbd{margin-left:6px}#help-button{width:34px;border-color:var(--line)}
.flight-hud{position:absolute;top:24px;left:24px;pointer-events:none}#hull{font:14px var(--mono);color:var(--red);letter-spacing:3px}.target-panel{position:absolute;top:55px;left:20px}#tech-list{display:flex;gap:5px}.tech-button{position:relative;width:42px;height:46px;border:1px solid transparent;background:#ffffffdc;color:var(--ink)}.tech-icon{font-size:24px}.tech-state{position:absolute;right:1px;bottom:0;font:11px var(--mono)}.tech-button.active{border-color:var(--red);color:var(--red)}.tech-button.delivered{color:var(--muted)}.tech-button:has(.tech-state):hover{border-color:var(--ink)}
.notice{position:absolute;left:50%;top:115px;transform:translateX(-50%);font:11px/1.5 var(--mono);text-align:center;max-width:80%;padding:8px 12px;background:var(--paper);color:var(--red);pointer-events:none;opacity:0;transition:opacity .2s}.notice.show{opacity:1}
.landing-readout{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);width:190px;padding:10px;background:#ffffffed}.landing-bar{position:relative;height:7px;background:var(--line)}.landing-bar:after{content:'';position:absolute;left:var(--landing-safe-limit,36.111%);top:-4px;bottom:-4px;width:1px;background:var(--ink)}.landing-bar i{display:block;height:100%;background:var(--ink);width:0;transition:width .1s}.landing-readout.unsafe .landing-bar i{background:var(--red)}
.screen{position:absolute;inset:0}.intro-copy{position:absolute;left:7%;top:50%;transform:translateY(-52%);max-width:580px}.eyebrow{font:10px var(--mono);letter-spacing:1.6px}.red{color:var(--red)}h1{font-size:clamp(46px,5.5vw,82px);font-weight:500;letter-spacing:-4px;line-height:1.02;margin:24px 0}h1 em{font-style:normal;color:var(--red)}.intro-copy p{font-size:16px;line-height:1.7;margin:0 0 28px;color:#5a5b56}.primary{background:var(--ink);color:var(--paper);border:1px solid var(--ink);padding:16px 20px;min-width:224px;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:25px;font:12px var(--mono)}.primary:hover{background:var(--red);border-color:var(--red)}.primary span{font-size:21px;line-height:1}.modal-screen{display:grid;place-items:center;background:#ffffffc9;backdrop-filter:blur(5px)}.modal{width:min(470px,88%);padding:38px;border:1px solid var(--ink);background:var(--paper)}h2{font-size:44px;letter-spacing:-2px;font-weight:500;line-height:1.05;margin:20px 0}.modal p{font-size:15px;line-height:1.6;color:#62635c}.modal .primary{width:100%;margin-top:26px}.quiet{border:0;font:11px var(--mono);display:block;margin:20px auto 0;text-decoration:underline}.victory-mark{font-size:54px;color:var(--red);margin-top:18px}.results{font:11px/1.9 var(--mono);border-top:1px solid var(--line);padding-top:16px}dialog{border:1px solid var(--ink);background:var(--paper);color:var(--ink);padding:34px;max-height:90dvh;max-width:760px;width:90%;overflow:auto}dialog::backdrop{background:#ffffffb8;backdrop-filter:blur(6px)}dialog h2{margin:18px 0 22px}dialog p{font-size:14px;line-height:1.7}dialog h3{font:12px var(--mono);text-transform:uppercase;letter-spacing:1px;margin:18px 0 10px}.close{position:absolute;right:18px;top:14px;border:0;background:none;font-size:27px}.manual-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.fleet-notes{padding:0;list-style:none}.fleet-notes li{display:flex;flex-direction:column;border-top:1px solid var(--line);padding:10px 0;gap:5px;font-size:13px}.fleet-notes b{font:11px var(--mono);color:var(--red)}.fleet-notes span{color:#62635c}.small-note{color:var(--muted);font-size:12px!important}.touch-controls{position:absolute;bottom:12px;left:12px;right:12px;display:flex;justify-content:space-between;pointer-events:none}.touch-controls>div{display:flex;gap:7px}.touch-controls button{width:49px;height:49px;pointer-events:auto;background:#ffffffe8;font:10px var(--mono);touch-action:none;user-select:none}.touch-controls button[data-control=thrust]{font-size:23px}.touch-controls button.pressed{background:var(--ink);color:var(--paper)}

@media(max-width:1000px){footer{padding:0 16px;gap:12px}footer>div{gap:8px}.footer-rule{display:none}.header-actions{gap:2px}.intro-copy{left:6%}}
@media(max-width:600px){#arena{height:calc(100dvh - 92px)}footer{height:92px;padding:8px 12px;flex-wrap:wrap;justify-content:center;gap:5px}footer>div{gap:10px}.header-actions{margin:0;justify-content:center;width:100%}.header-actions button{padding:8px}.header-actions kbd{display:none}.intro-copy{top:45%;left:7%;max-width:90%}h1{font-size:48px;letter-spacing:-2.5px;margin:18px 0}.intro-copy p{font-size:14px}.primary{min-width:210px;padding:14px 17px}.flight-hud{top:18px;left:16px}.target-panel{top:48px;left:12px}#tech-list{display:grid;grid-template-columns:42px 42px;gap:3px}.landing-readout{bottom:83px;width:155px}.notice{top:158px;font-size:10px;width:max-content}.manual-grid{grid-template-columns:1fr;gap:0}dialog{padding:24px}.modal{padding:26px}h2{font-size:37px}}
@media(pointer:coarse) and (min-width:601px){.landing-readout{bottom:85px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

#points{display:block;font:12px var(--mono);margin-top:10px;color:var(--ink)}.target-panel{top:78px}.intro-copy .quiet{margin:18px 0 0}.modal-screen{overflow-y:auto;padding:20px 0;z-index:5}.victory{max-height:100%;overflow-y:auto}.victory h2{font-size:32px;margin:16px 0}#final-score{font:48px var(--mono);color:var(--red);margin:12px 0}#run-time{font:11px var(--mono);margin-bottom:14px}.results{font-size:10px}#score-form{margin-top:18px}#score-form label{font:10px var(--mono);letter-spacing:1px}.score-entry{display:flex;gap:10px;margin-top:9px}.score-entry input{width:100px;font:24px var(--mono);letter-spacing:5px;border:1px solid var(--ink);padding:9px;background:var(--paper);color:var(--ink);border-radius:0}.score-entry button{font:12px var(--mono);padding:10px}#score-save-status{font:11px/1.5 var(--mono)}#scores-dialog{max-width:460px}#highscores{padding:0;list-style:none;font:18px var(--mono)}#highscores li{display:grid;grid-template-columns:36px 1fr 1fr 22px;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}#highscores li span:first-child{font-size:12px;color:var(--muted);align-self:center}#highscores li span:nth-child(3){text-align:right}#highscores li span:last-child{color:var(--red)}
@media(max-width:600px){.target-panel{top:70px}.notice{top:184px}.victory{padding:22px}.victory .primary{margin-top:16px}#final-score{font-size:38px}}

.difficulty-picker{border:0;padding:0;margin:0 0 8px;display:flex;gap:8px;max-width:350px}.difficulty-picker legend{font:10px var(--mono);letter-spacing:1px;margin-bottom:10px;text-transform:uppercase}.difficulty-picker label{flex:1;position:relative;cursor:pointer}.difficulty-picker input{position:absolute;opacity:0;width:1px;height:1px}.difficulty-picker span{display:flex;flex-direction:column;gap:7px;align-items:center;border:1px solid var(--line);padding:12px 14px;font:12px var(--mono)}.difficulty-picker small{color:var(--muted);font-size:11px}.difficulty-picker input:checked+span{border-color:var(--red);color:var(--red);background:#fff7f7}.difficulty-picker input:focus-visible+span{outline:2px solid var(--red);outline-offset:3px}.intro-copy #difficulty-note{font:10px/1.5 var(--mono);margin:0 0 20px;max-width:350px}#scores-dialog{max-width:540px}#highscores li{grid-template-columns:28px 1fr 1fr 62px 18px;gap:10px}#highscores li span:nth-child(4){font:10px var(--mono);align-self:center;color:var(--muted)}
@media(max-width:600px){.intro-copy{top:48%}h1{font-size:42px}.difficulty-picker{max-width:310px}.difficulty-picker span{padding:11px 12px}#highscores{font-size:15px}#highscores li{grid-template-columns:22px 1fr 1fr 48px 12px;gap:5px}#highscores li span:nth-child(4){font-size:9px}}
@media(max-height:650px){.intro-screen{overflow-y:auto}.intro-copy{position:relative;top:auto;transform:none;padding:20px 0 30px}h1{font-size:36px;letter-spacing:-2px;margin:12px 0}.intro-copy p{margin-bottom:14px}.intro-copy .quiet{margin-top:12px}}

.score-clock{display:flex;gap:14px;align-items:baseline;margin-top:10px;font:12px var(--mono)}.score-clock #points{margin:0}#clock{color:var(--muted)}

.arcade-back{display:inline-block;color:var(--muted);font:11px var(--mono);text-decoration:none;margin-bottom:8px}.arcade-back:hover{color:var(--red)}.arcade-exit{text-align:center;color:var(--ink)}

#music-button[aria-pressed="true"]{color:var(--red)}

#effects-button[aria-pressed="true"]{color:var(--red)}@media(max-width:600px){.header-actions{gap:0}.header-actions button{font-size:9px;padding:7px 5px}}
@media(min-width:601px) and (max-width:900px){#arena{height:calc(100dvh - 92px)}footer{height:92px;flex-wrap:wrap;justify-content:center;gap:4px;padding:8px 12px}.header-actions{width:100%;justify-content:center;margin:0}}

.audio-volume-tip{position:fixed;z-index:1000;transform:translateX(-50%);padding:6px 9px;background:#232421;color:white;border-radius:4px;font:11px ui-monospace,monospace;pointer-events:none}.audio-volume-tip[hidden]{display:none}

.intro-screen{display:grid;place-items:center;background:#ffffffc9;overflow:auto;padding:24px}
.intro-copy.launch-panel{position:static;transform:none;width:min(420px,100%);max-width:none;border:1px solid var(--ink);background:white;padding:32px;text-align:center}
.launch-panel h1{font:24px Arial,sans-serif;letter-spacing:0;margin:0 0 26px}
.launch-choices{display:flex;gap:8px}
.launch-choices button{flex:1;padding:13px 8px;font:12px Arial,sans-serif;background:white}
.launch-choices small{display:block;color:var(--muted);margin-top:6px}
.launch-panel .quiet{margin:20px auto}.launch-panel .arcade-back{font-size:11px}

body{height:100dvh;display:flex;flex-direction:column}
.game-header{display:flex;align-items:center;justify-content:space-between;padding:24px 32px;gap:20px;flex-shrink:0;font-size:13px}
.game-header a{color:inherit;text-decoration:none}.game-header a:hover{color:var(--red)}
.game-header .portfolio-return{position:relative;font-size:11px;color:var(--muted);border-bottom:2px solid transparent;padding:6px 0}
.portfolio-return::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--red);transform:scaleX(1);transform-origin:center;opacity:0}
.portfolio-return.holding::after{opacity:1;animation:return-countdown var(--return-hold-duration,1000ms) linear forwards}
@keyframes return-countdown{from{transform:scaleX(1)}to{transform:scaleX(0)}}
#arena{flex:1;min-height:0;height:auto;margin:0 30px;border:1px solid var(--ink)}
footer{flex-shrink:0;border-top:0}
@media(max-width:650px){.game-header{padding:16px;gap:12px}.game-header .portfolio-return{font-size:9px;max-width:120px;text-align:right}#arena{margin:0 8px}}

.game-header .flight-hud{position:static;display:flex;align-items:center;gap:30px;white-space:nowrap;font:12px var(--mono);letter-spacing:2px}
.game-header #points{margin:0;font:inherit}.game-header #hull{font:inherit;color:var(--red)}
.target-panel{top:24px}
@media(max-width:650px){.game-header .flight-hud{gap:10px;font-size:10px;letter-spacing:1px}.target-panel{top:18px}}
@media(max-width:360px){.game-header{gap:8px;padding:16px 12px;font-size:11px}.game-header .portfolio-return{max-width:100px}.game-header .flight-hud{gap:7px;letter-spacing:0}}

.pause-menu{width:min(360px,88%);padding:30px;text-align:center}.pause-menu h2{font-size:28px;letter-spacing:-.8px;margin:0 0 24px}.pause-menu>.primary{margin:0;width:100%;min-width:0;justify-content:center}.pause-actions{display:grid;gap:9px;width:84%;margin:16px auto 0}.pause-actions .primary{display:block;min-width:0;width:100%;margin:0;padding:11px 14px;font-size:11px;text-align:center;text-decoration:none}