:root{
  --bg:#0b0f09;--olive:#202616;--olive2:#2d321c;--olive3:#3c4323;--khaki:#b5a45a;
  --sand:#d8cfaa;--amber:#d9a326;--red:#d94a38;--green:#8aa53c;--line:#596039;
  --black:#080a07;--cell:#292d1b;--cell2:#1a1e14;--blue:#4d86d1;--purple:#8a5ab0;
}
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i{position:absolute;left:26%;bottom:10%;width:48%;height:8%;background:#c8a157;border-radius:50%}.cell.mine{background:#2a1712}.mine-mark{width:54%;height:46%;background:#b64131;border-radius:50%;position:relative;box-shadow:inset 0 -4px #71241d,0 0 12px rgba(220,62,44,.22)}.mine-mark:before{content:"";position:absolute;inset:-22%;background:repeating-conic-gradient(from 0deg,#9a372b 0 5deg,transparent 5deg 45deg);z-index:-1}.mine-mark:after{content:"";position:absolute;left:38%;top:-28%;width:25%;height:26%;border:2px solid #c85a47;border-bottom:0}.cell.n1{color:#4b88d7}.cell.n2{color:#88a83e}.cell.n3{color:#d4563f}.cell.n4{color:#d59b45}.cell.n5{color:#9a61b8}.cell.n6{color:#4ba0a0}.cell.n7{color:#d4c391}.cell.n8{color:#c0c0aa}.cell.exploded{animation:explode .36s ease-out}.blast-flash{position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at var(--bx,50%) var(--by,50%),rgba(255,231,148,.92) 0,rgba(255,106,45,.55) 8%,rgba(167,41,18,.22) 22%,transparent 45%);opacity:0}.blast-flash.go{animation:blast .48s ease-out}@keyframes blast{0%{opacity:0}20%{opacity:1}100%{opacity:0}}@keyframes explode{50%{transform:scale(.9);filter:brightness(2)}}.mode-strip{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:10px}.mode-btn{height:38px;border:1px solid #505735;background:#171c12;color:#7d8450;font-family:"Arial Narrow",Arial,sans-serif;font-weight:900;letter-spacing:.12em;font-size:10px}.mode-btn.active{color:#dbc04c;background:#30371d;box-shadow:inset 0 0 14px rgba(203,174,47,.08);border-color:#767344}.mode-btn span{margin-right:5px}.mobile-hint{text-align:center;color:#5f6742;font-family:Arial,sans-serif;font-size:8px;letter-spacing:.1em;margin:7px 0 1px}.lower-grid{display:grid;grid-template-columns:1fr 1.3fr 1fr;gap:10px}.intel,.report{min-height:115px;padding:13px}.mine-sketch{height:50px;position:relative}.mine-sketch span{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:58px;height:24px;border:1px solid #8d8a4d;border-radius:50%}.mine-sketch span:before{content:"";position:absolute;left:27px;top:-16px;width:3px;height:17px;background:#8d8a4d}.mine-sketch span:after{content:"";position:absolute;left:-12px;right:-12px;top:10px;border-top:1px dashed #8d8a4d}.intel-text b{display:block;font-family:Arial,sans-serif;font-size:8px;color:#7f8250}.intel-text small{display:block;color:#c84b3e;font-family:Arial,sans-serif;font-weight:900;font-size:8px;margin-top:5px}.new-mission{min-height:115px;padding:18px 12px;border-color:#78652a;color:#d0a72b;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer}.new-mission b{font-size:24px;letter-spacing:.03em;text-shadow:2px 2px #19170b}.new-mission small{font-family:"Arial 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50%)}.mission-overlay{position:fixed;z-index:20;inset:0;background:rgba(4,6,3,.72);display:grid;place-items:center;padding:20px;backdrop-filter:blur(3px)}.mission-overlay[hidden]{display:none}.overlay-card{width:min(430px,100%);text-align:center;padding:30px 24px}.overlay-kicker{font-family:Arial,sans-serif;font-size:10px;letter-spacing:.24em;color:#8f8b4f}.overlay-card h2{margin:8px 0;font-size:38px;color:#d5b037}.overlay-card p{font-family:Arial,sans-serif;font-size:12px;color:#aaa57b}.overlay-card button{margin-top:14px;background:#887129;color:#17170d;border:1px solid #c2a648;padding:12px 20px;font-weight:900;letter-spacing:.1em}
@media(max-width:620px){.terminal-shell{justify-content:flex-start;gap:8px;padding-left:8px;padding-right:8px}.mission-header{grid-template-columns:62px 1fr 82px;min-height:96px;padding:10px}.insignia{width:56px;height:56px}.insignia svg{width:43px;height:43px}.title-wrap h1{font-size:34px}.overline{font-size:9px}.tagline{font-size:8px;margin-top:7px}.radar{width:78px;height:66px}.status-panel{min-height:69px}.status-block{gap:7px;padding:8px 5px}.status-block span{font-size:7px}.status-block strong{font-size:20px}.mine-icon{transform:scale(.74)}.clock-icon{transform:scale(.76)}.shield{transform:scale(.75)}.difficulty-block strong{font-size:13px}.field-panel{padding:8px}.field-topline{height:32px;margin-bottom:7px}.board-frame{padding:5px}.board{gap:2px}.lower-grid{grid-template-columns:1fr}.intel,.report{display:none}.new-mission{min-height:70px}.new-mission b{font-size:20px}.new-mission small{font-size:9px}.wing-star{margin-bottom:2px;font-size:16px}.footer-plate{font-size:7px;padding:7px}}
@media(max-height:760px) and (orientation:portrait){.mission-header{min-height:80px}.insignia{display:none}.mission-header{grid-template-columns:1fr 70px}.title-wrap h1{font-size:30px}.tagline{display:none}.status-panel{min-height:58px}.status-block strong{font-size:17px}.field-topline{display:none}.mode-strip{margin-top:6px}.mobile-hint,.footer-plate{display:none}.new-mission{min-height:56px;padding:8px}.new-mission b{font-size:17px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}

/* v1.1 — chain detonation feedback */
.board.chain-reacting{animation:chainShake .18s linear infinite}
.cell.mine.exploded{background:radial-gradient(circle,#6f2417 0,#32150f 48%,#17130e 100%);border-color:#b04d2f;box-shadow:inset 0 0 16px rgba(255,88,38,.26),0 0 10px rgba(217,65,30,.17)}
.cell.mine.exploded .mine-mark{filter:brightness(1.45) saturate(1.25)}
@keyframes chainShake{0%,100%{transform:translate(0,0)}25%{transform:translate(-1px,1px)}50%{transform:translate(1px,0)}75%{transform:translate(0,-1px)}}