:root{font-family:Inter,"Arial", "Noto Sans TC", "Microsoft JhengHei",sans-serif;color:#e6edf3;background:#0b1118;font-synthesis:none;--ink:#e6edf3;--paper:#0b1118;--muted:#9eacbb;--accent:#f2b85f;--line:rgba(163,190,214,.2)}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;width:100%;height:100%;overflow:hidden}
body{position:relative;overscroll-behavior:none}
button,a{-webkit-tap-highlight-color:transparent}
button{font:inherit;cursor:pointer;color:inherit}
button:focus-visible,a:focus-visible,canvas:focus-visible,select:focus-visible{outline:3px solid #f2b85f;outline-offset:5px}
button:disabled{cursor:wait}
#battlefield{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;outline:none}
.masthead{position:absolute;z-index:5;top:28px;left:32px;right:32px;display:flex;align-items:center;justify-content:space-between;pointer-events:none}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);pointer-events:auto}
.brand strong{font-size:16px;letter-spacing:1.3px;font-weight:850;white-space:nowrap}
.brand-slash{color:#9eacbb;margin:0 3px;font-weight:400}
.brand small{display:block;margin-top:5px;font-size:10px;letter-spacing:2px;color:#9eacbb}
.brand small span{margin:0 3px}
.insignia{width:43px;height:43px;background:var(--ink);display:grid;place-items:center}
.insignia svg{width:29px;height:29px;fill:var(--paper)}
.insignia-line{stroke:var(--paper);stroke-width:2;fill:none}
.header-actions{display:flex;gap:8px;pointer-events:auto}
.utility-button{min-height:38px;padding:0 14px;border:1px solid var(--line);background:rgba(19,30,42,.85);font-size:11px;font-weight:700;letter-spacing:1px;backdrop-filter:blur(8px)}
.utility-button span{margin-left:8px}
.utility-button:hover{background:#243447;border-color:#647d94}
.game-ui{position:absolute;inset:0;z-index:2;pointer-events:none}
.mission-strip{position:absolute;top:101px;left:32px;right:32px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:17px}
.mission-objective{display:flex;gap:9px;align-items:center;min-width:0;font-size:9px;color:#9eacbb;letter-spacing:1px}
.mission-objective>span:last-child{min-width:0}
.mission-objective strong{display:block;color:var(--ink);font-size:14px;font-weight:750;margin-top:4px;letter-spacing:1px;line-height:1.4;overflow-wrap:anywhere}
.enemy-base-count{display:block;margin-top:5px;color:#ffac95;font-size:9px;line-height:1.4;letter-spacing:.4px}
.status-dot{display:inline-block;flex-shrink:0;width:6px;height:6px;background:#7db984;border-radius:50%;box-shadow:0 0 0 3px rgba(125,185,132,.14)}
.mission-counters{display:flex;gap:35px}
.mission-counters>div{min-width:67px}
.metric-label{display:block;font-size:8px;font-weight:700;letter-spacing:1.5px;color:#9eacbb}
.metric-zh{margin-left:4px;font-weight:400;letter-spacing:1px}
.mission-counters strong{display:block;margin-top:5px;font-family:"Arial",sans-serif;font-size:25px;line-height:1;font-weight:600;letter-spacing:1px;font-variant-numeric:tabular-nums}
.mission-counters small{font-size:12px;color:#9eacbb;font-weight:400}
.overlay{position:absolute;inset:0;display:flex;align-items:center;padding:160px 6.7vw;background:linear-gradient(90deg,rgba(11,17,24,.94) 0,rgba(11,17,24,.8) 27%,rgba(11,17,24,0) 56%)}
.briefing{width:338px;max-width:100%;max-height:calc(100dvh - 320px);overflow-y:auto;scrollbar-width:thin;pointer-events:auto}
.eyebrow{margin:0 0 16px;color:#f2b85f;font-size:10px;font-weight:800;letter-spacing:2.1px}
h1{font-size:57px;font-weight:900;letter-spacing:-2.6px;line-height:1.15;margin:0 0 20px;white-space:nowrap}
.title-period{color:var(--accent);margin-left:3px}
.briefing-description{margin:0;font-size:15px;line-height:1.8;font-weight:600;letter-spacing:.4px}
.briefing-rule{display:flex;align-items:center;gap:10px;margin:15px 0 26px;color:#9eacbb;font-size:11px;letter-spacing:.7px}
.briefing-rule span:first-child{height:1px;width:23px;background:#647d94}
.tactics{display:flex;align-items:center;gap:15px;margin-bottom:20px;font-size:10px;font-weight:650;white-space:nowrap}
.tactics b{color:#f2b85f;font-family:monospace;font-size:10px;font-weight:500;letter-spacing:1px;margin-right:4px}
.tactics span+span{padding-left:16px;border-left:1px solid var(--line)}
.campaign-selector{margin-bottom:18px}
.campaign-selector label{display:block;font-size:10px;letter-spacing:1px;color:var(--muted)}
.level-select{display:block;width:100%;min-height:44px;margin-top:7px;padding:9px 12px;border:1px solid var(--line);border-radius:0;background:#131e2a;color:var(--ink);font:inherit;font-size:12px;line-height:1.5;color-scheme:dark;cursor:pointer}
.level-select:disabled{opacity:.55;cursor:default}
.level-briefing{margin:8px 0 0;font-size:11px;line-height:1.6;color:#c4d2df}
.campaign-progress{margin:8px 0 0;font-size:9px;line-height:1.5;color:var(--muted)}
.start-button{border:0;background:var(--accent);color:#0b1118;display:flex;align-items:center;justify-content:space-between;width:264px;min-height:56px;padding:16px 20px;font-size:14px;font-weight:700;letter-spacing:2px;box-shadow:0 5px 0 rgba(163,190,214,.2);transition:background .15s,transform .15s}
.start-button>span:last-child{font-size:23px;line-height:1;font-weight:400;letter-spacing:0;color:var(--paper)}
.start-button:hover:enabled{background:#ffce86;transform:translateY(-2px)}
.start-button:disabled{opacity:.6}
.loading{font-size:10px;min-height:14px;margin:12px 0 0;color:#9eacbb;letter-spacing:.6px}
.briefing-note{margin:15px 0 0;font-size:8px;color:#9eacbb;letter-spacing:.35px}
.briefing-note span{color:#647d94;margin:0 5px}
.player-status{position:absolute;left:32px;bottom:30px;width:218px;padding:14px 16px 12px;background:rgba(19,30,42,.92);border-left:3px solid #7db984;backdrop-filter:blur(12px)}
.status-heading{display:flex;align-items:center;gap:7px;margin-bottom:15px}
.status-heading strong{font-size:11px;font-weight:750;letter-spacing:1px}
.callsign{font-size:7px;letter-spacing:1px;margin-left:auto;color:#9eacbb}
.health-row{display:flex;gap:10px;align-items:center;margin:8px 0;font-variant-numeric:tabular-nums}
.health-row label{font-size:9px;color:#9eacbb;width:43px;flex-shrink:0;white-space:nowrap}
.health-row>span{font:10px monospace;width:24px;text-align:right}
.weapon-status{display:flex;grid-column:1/-1;align-items:center;justify-content:space-between;gap:12px;margin-top:8px;padding-top:8px;border-top:1px solid var(--line);color:var(--muted);font-size:9px;letter-spacing:.5px}
#ammo-count{color:var(--ink);font:11px monospace;white-space:nowrap}
.weapon-status[data-low="true"]{color:var(--accent)}
.weapon-status[data-low="true"] #ammo-count{color:#ff7964}
progress{appearance:none;-webkit-appearance:none;display:block;width:100%;height:4px;border:none;border-radius:0;background:#2c3c4d;color:#7db984;overflow:hidden}
progress::-webkit-progress-bar{background:#2c3c4d}
progress::-webkit-progress-value{background:#7db984;transition:width .15s}
progress::-moz-progress-bar{background:#7db984}
.base-health progress{color:#f2b85f}
.base-health progress::-webkit-progress-value{background:#f2b85f}
.base-health progress::-moz-progress-bar{background:#f2b85f}
.base-health{padding-top:8px;border-top:1px solid rgba(163,190,214,.2)}
.field-footer{position:absolute;left:278px;right:32px;bottom:29px;display:flex;align-items:center;justify-content:space-between;gap:18px;color:#9eacbb}
.keyboard-help{display:flex;align-items:center;justify-content:center;gap:13px;font-size:9px;white-space:nowrap;padding:8px 12px;background:rgba(11,17,24,.85)}
.keyboard-help>span{display:flex;align-items:center;gap:4px}
kbd{display:inline-grid;place-items:center;border:1px solid #42566b;min-width:18px;height:20px;background:rgba(19,30,42,.85);font:9px monospace;color:#c4d2df}
.keyboard-help i{height:9px;width:1px;background:#42566b;margin:0 1px}
.edition{white-space:nowrap;font-size:8px;letter-spacing:1.5px;text-align:right}
.edition>span:not(.edition-mark){color:#647d94;margin:0 4px}
.edition-mark{font-size:17px;vertical-align:middle;margin-right:6px;color:#9eacbb}
.center-messages{position:absolute;left:50%;bottom:98px;transform:translateX(-50%);text-align:center;max-width:min(90vw,520px)}
.toast,.interaction-hint{width:max-content;max-width:100%;margin:8px auto 0;padding:9px 15px;font-size:12px;line-height:1.6;letter-spacing:.7px;box-shadow:0 2px 9px rgba(0,0,0,.2)}
.toast{background:rgba(19,30,42,.95);color:var(--ink);border-left:3px solid var(--accent)}
.interaction-hint{background:rgba(19,30,42,.96);color:#f2b85f}
.toast:not(.visible),.toast:empty,.interaction-hint:empty{display:none}
.enemy-radio{position:absolute;z-index:3;top:180px;left:32px;max-width:270px;padding:12px 15px;background:rgba(19,30,42,.95);border-left:3px solid #ff7964;box-shadow:0 6px 24px rgba(0,0,0,.25)}
.radio-heading{display:flex;align-items:center;gap:16px;color:#aab8c7;font-size:9px;letter-spacing:1px}
.radio-heading strong{margin-left:auto;color:#ffac95;white-space:nowrap}
.enemy-radio p{margin:9px 0 0;font-size:15px;font-weight:650;line-height:1.6;color:#f4ede5}
.briefing>.enemy-radio{position:static;width:auto;max-width:none;margin:14px 0;transform:none}
.touch-controls{display:none;position:absolute;inset:auto 22px 120px;justify-content:space-between;align-items:end;pointer-events:none}
.touch-controls button{pointer-events:auto;touch-action:none;-webkit-user-select:none;user-select:none;min-width:44px;min-height:44px;border:1px solid rgba(163,190,214,.3);color:#e6edf3;background:rgba(19,30,42,.9);backdrop-filter:blur(5px);font-size:24px}
.dpad{display:grid;grid-template-columns:45px 45px 45px;grid-template-rows:45px 45px 45px;gap:3px}
.move-up{grid-column:2;grid-row:1}.move-left{grid-column:1;grid-row:2}.move-right{grid-column:3;grid-row:2}.move-down{grid-column:2;grid-row:3}
.dpad-center{grid-column:2;grid-row:2;display:grid;place-items:center;color:#9eacbb;font-size:23px;background:rgba(19,30,42,.65)}
.touch-actions{display:flex;flex-direction:column;gap:11px;align-items:center}
#touch-interact,#touch-grenade{font-size:11px;min-height:44px;padding:7px 14px;border-radius:2px;font-weight:700;letter-spacing:1px}
#touch-grenade{border-color:#a27845;color:var(--accent)}
#touch-fire{border-radius:50%;width:76px;height:76px;border:1px solid #f2b85f;background:rgba(242,184,95,.96);color:#0b1118;font-size:17px;letter-spacing:2px;box-shadow:inset 0 0 0 5px rgba(255,239,212,.2)}
#touch-fire span{display:block;margin-top:5px;font-size:8px;letter-spacing:2px}
.touch-controls button.pressed{background:#34516b;color:#e6edf3;border-color:#85a4bf;transform:translateY(2px)}
#touch-fire.pressed{background:#ffd08b;color:#0b1118;box-shadow:inset 0 0 0 5px rgba(11,17,24,.15)}
body:has(#overlay:not([hidden])) .touch-controls{visibility:hidden}
@media(max-width:1150px){.edition{display:none}.field-footer{justify-content:flex-end}.overlay{padding-left:5vw}.briefing{width:315px}h1{font-size:53px}.keyboard-help{gap:9px;font-size:8px}}
@media(max-width:760px){.masthead{top:20px;left:20px;right:20px}.brand{gap:9px}.brand strong{font-size:12px;letter-spacing:.8px}.brand small{font-size:8px;letter-spacing:1.2px}.insignia{height:35px;width:35px}.insignia svg{width:25px;height:25px}.header-actions{gap:5px}.utility-button{padding:0 10px;min-height:35px;font-size:10px;letter-spacing:.4px}.utility-button span{margin-left:3px}.mission-strip{top:76px;left:20px;right:20px;padding-top:12px;gap:12px;align-items:flex-start}.mission-counters{gap:12px;flex-shrink:0}.mission-counters>div{min-width:47px}.metric-label{font-size:7px;letter-spacing:1px}.metric-zh{display:none}.mission-counters strong{font-size:19px}.mission-counters small{font-size:10px}.mission-objective{font-size:8px;gap:7px;letter-spacing:.3px}.mission-objective strong{font-size:11px;letter-spacing:.3px}.overlay{padding:135px 24px 135px;align-items:center;justify-content:center;background:rgba(11,17,24,.45)}.briefing{width:320px;padding:24px 25px 22px;background:rgba(19,30,42,.96);border-top:3px solid var(--accent);box-shadow:0 10px 65px rgba(0,0,0,.3);backdrop-filter:blur(8px)}.eyebrow{font-size:8px;letter-spacing:1.6px;margin-bottom:14px}h1{font-size:47px;letter-spacing:-2.5px;margin-bottom:16px}.briefing-description{font-size:12px;letter-spacing:0}.briefing-rule{display:none}.tactics{font-size:9px;gap:7px;margin-top:18px;margin-bottom:18px}.tactics b{font-size:9px;margin-right:2px}.tactics span+span{padding-left:8px}.start-button{width:100%;min-height:52px;font-size:12px}.briefing-note{font-size:8px;letter-spacing:0;margin-top:11px;line-height:1.5;white-space:normal}.briefing-note span{margin:0 2px}.player-status{bottom:20px;left:20px;right:20px;width:auto;max-width:330px;padding:10px 12px}.status-heading{margin-bottom:8px}.health-row{margin:6px 0}.base-health{padding-top:6px}.field-footer{display:none}.center-messages{bottom:170px;max-width:86vw}.toast,.interaction-hint{font-size:10px;padding:7px 11px}}
@media(pointer:coarse){.touch-controls{display:flex}.keyboard-help{display:none}.player-status{bottom:18px;left:20px;right:20px;width:auto;max-width:none;display:grid;grid-template-columns:repeat(3,1fr);gap:0 15px;padding:9px 12px}.status-heading{grid-column:1/-1;margin-bottom:5px}.health-row{display:grid;grid-template-columns:1fr auto;gap:4px;margin:4px 0}.health-row label{grid-row:1;grid-column:1;width:auto;font-size:8px}.health-row>span{grid-row:1;grid-column:2;font-size:9px}.health-row progress{grid-row:2;grid-column:1/-1;width:100%;height:3px}.base-health{padding-top:0;border-top:0}.weapon-status{margin-top:4px;padding-top:6px}.center-messages{bottom:275px}.field-footer{display:none}}
@media(max-height:600px) and (min-width:600px){.masthead{top:15px;left:22px;right:22px}.mission-strip{top:66px;left:22px;right:22px;padding-top:9px}.mission-objective{display:flex}.mission-objective strong{font-size:11px}#region-name{display:none}.mission-counters{margin-left:auto;gap:24px}.overlay{padding:105px 5vw 95px;align-items:flex-start;justify-content:flex-start;background:linear-gradient(90deg,rgba(11,17,24,.94),rgba(11,17,24,0) 70%)}.briefing{width:330px;max-height:calc(100dvh - 200px);overflow-y:auto;scrollbar-width:thin;padding:0 8px 8px 0;background:none;box-shadow:none;border:0;backdrop-filter:none}.eyebrow{margin-bottom:9px}h1{font-size:41px;margin-bottom:10px}.briefing-description{font-size:12px}.briefing-rule{display:none}.tactics{margin:12px 0}.campaign-selector{margin-bottom:12px}.briefing-note{display:none}.start-button{min-height:44px;width:235px}.loading{margin-top:8px}.player-status{left:22px;bottom:16px;max-width:360px}.touch-controls{inset:auto 22px 122px}.touch-actions{display:grid;grid-template-columns:72px 76px;grid-template-rows:44px 44px;gap:8px}#touch-interact{grid-column:1;grid-row:1}#touch-grenade{grid-column:1;grid-row:2}#touch-fire{grid-column:2;grid-row:1/3;align-self:center}.dpad{grid-template-columns:39px 39px 39px;grid-template-rows:39px 39px 39px}.touch-controls .dpad button{min-width:39px;min-height:39px}.center-messages{bottom:85px}.field-footer{bottom:16px}.keyboard-help{display:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}}
@media(max-width:760px){.enemy-radio{top:185px;left:20px;right:20px;max-width:none;padding:10px 12px}.enemy-radio p{font-size:13px;margin-top:5px}}
@media(max-width:440px){.brand{gap:7px}.brand strong{font-size:10px;letter-spacing:.4px}.brand small{font-size:7px;letter-spacing:.5px}.insignia{width:30px;height:30px}.utility-button{padding:0 7px;font-size:9px;letter-spacing:0}}
@media(max-height:600px) and (min-width:600px){.enemy-radio{top:130px;left:50%;right:auto;width:230px;max-width:230px;transform:translateX(-50%)}.enemy-radio p{font-size:12px}}