:root {color-scheme:dark;--bg:#08101a;--panel:#0c1827;--panel2:#111e2e;--border:#294056;--border-bright:#395a72;--text:#ecf5ff;--muted:#8397aa;--blue:#5cbdff;--blue-bright:#83dbff;--red:#ff6770;--green:#69e6ac;--amber:#ffd269;--radius:12px;font-family:'Segoe UI',Inter,'Trebuchet MS',system-ui,sans-serif;font-size:14px}
*{box-sizing:border-box}html{min-height:100%;background:var(--bg)}body{margin:0;min-width:330px;background:radial-gradient(ellipse at 50% -30%,#133751 0%,#0b1826 44%,#070e17 100%);color:var(--text)}button,select{font:inherit}button{cursor:pointer}button:focus-visible,select:focus-visible{outline:3px solid var(--blue);outline-offset:3px}button:disabled{cursor:not-allowed}.app-shell{max-width:1490px;margin:auto;padding:16px 22px 10px}.masthead{height:68px;display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:16px}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brand-mark{height:45px;width:45px;display:flex;justify-content:center;align-items:center;font-size:22px;letter-spacing:-6px;padding-right:5px;font-weight:1000;border-radius:10px;background:linear-gradient(140deg,#185581,#153149);border:1px solid #3587ad;box-shadow:0 0 25px #2171b41c}.brand-mark span:first-child{color:var(--blue-bright)}.brand-mark span:last-child{color:var(--red)}.brand-name{font-size:26px;font-weight:950;letter-spacing:1.1px;line-height:1}.brand-name span{color:var(--blue)}.brand-sub{margin-top:5px;color:#86a9bf;letter-spacing:2.1px;font-size:9px;font-weight:800}.brand-sub i{display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--red);vertical-align:middle;margin:0 3px}.header-stats{display:flex;gap:10px;align-items:center}.header-pill{white-space:nowrap;display:flex;align-items:center;gap:7px;letter-spacing:1.2px;font-size:10px;font-weight:800;color:#8faabd;border:1px solid #284057;border-radius:7px;background:#102033a8;padding:10px 13px}.header-pill b{font-size:13px;color:white}.pulse-dot{height:6px;width:6px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green)}.header-pill-highlight{color:var(--amber);background:#30291444;border-color:#594b2d}.header-actions{display:flex;align-items:center;gap:8px}.secondary-btn,.icon-btn{background:#142338;border:1px solid #39506b;border-radius:7px;color:#c9d9e8;font-size:11px;font-weight:850;letter-spacing:.7px;min-height:36px;padding:0 12px}.icon-btn{font-size:19px;width:37px;padding:0}.secondary-btn:hover,.icon-btn:hover{background:#203b59}.secondary-btn:disabled{opacity:.4}.main-layout{display:grid;grid-template-columns:minmax(430px,1.03fr) minmax(450px,.98fr);align-items:start;gap:16px}.battle-card,.command-card,.factory-card,.intel-card{border:1px solid var(--border);box-shadow:0 12px 45px #0003, inset 0 1px #ffffff05;background:linear-gradient(160deg,#102033,#0c1827 64%);border-radius:var(--radius);overflow:hidden}.panel-top{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 15px}.eyebrow,.overline{letter-spacing:2.5px;font-size:9px;font-weight:900;color:#76a3bc}.panel-top h2,.factory-header h2{font-size:16px;letter-spacing:.65px;font-weight:900;margin:5px 0 0}.battle-head{height:73px}.live-icon{display:inline-block;margin-left:8px;vertical-align:3px;color:#78ecb5;font-size:9px;border:1px solid #357e61;background:#0f362c;border-radius:3px;padding:3px 5px;letter-spacing:.8px}.small-note{letter-spacing:1.6px;font-size:10px;font-weight:750;color:#7496ab}.tiny-divider{color:#304d62;padding:0 3px}.battlefield-frame{position:relative;margin:0 12px;border:1px solid #416078;box-shadow:inset 0 0 10px #0008;overflow:hidden;background:#283d36;border-radius:6px}.battlefield-frame canvas{display:block;width:100%;aspect-ratio:600/760;height:auto}.health-hud{position:absolute;left:14px;right:14px;z-index:2;pointer-events:none;background:#0a1720c0;border:1px solid #47617580;border-radius:5px;padding:8px 10px;backdrop-filter:blur(4px)}.enemy-hud{top:12px}.player-hud{bottom:12px}.health-caption{display:flex;justify-content:space-between;font-size:10px;font-weight:900;letter-spacing:1px;margin-bottom:6px}.player-hud .health-caption{margin-bottom:0;margin-top:6px}.enemy-hud .health-caption b{color:#ff8288}.player-hud .health-caption b{color:#86cfff}.health-caption span{color:#d9e7f2}.health-track{height:9px;border:1px solid #678ba4aa;background:#071019;border-radius:3px;overflow:hidden}.health-fill{height:100%;width:100%;transition:width .18s linear}.enemy-fill{background:linear-gradient(90deg,#be283e,#ff626b);box-shadow:0 0 12px #ea4e5d88}.player-fill{background:linear-gradient(90deg,#1677c5,#65c8ff);box-shadow:0 0 12px #44b9ff88}.battle-foot{height:46px;display:flex;justify-content:space-between;align-items:center;padding:0 18px;gap:10px}.battle-legend{display:flex;gap:15px;font-size:9px;font-weight:900;letter-spacing:1px;white-space:nowrap;color:#8099ad}.legend-dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:4px}.legend-dot.blue{background:#56bbff}.legend-dot.red{background:#f86e72}.combat-log{font-size:10px;color:#b5c8d8;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:right}.battle-toast{position:absolute;top:23%;left:50%;transform:translate(-50%,-15px);z-index:6;padding:9px 17px;white-space:nowrap;border:1px solid #5aa6c7;background:#072639ee;color:#b6efff;border-radius:5px;opacity:0;transition:all .3s;pointer-events:none;font-size:13px;font-weight:900;letter-spacing:1px;box-shadow:0 8px 30px #0007}.battle-toast.visible{opacity:1;transform:translate(-50%,0)}.battle-toast.danger{color:#ff9ba0;border-color:#ad4b53;background:#321b25f5}.battle-overlay{position:absolute;z-index:5;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:34px;background:radial-gradient(circle at 50% 45%,#0a2336ed,#06111af5 77%);backdrop-filter:blur(3px)}.battle-overlay[hidden]{display:none}.overlay-emblem{font-size:64px;line-height:1;color:var(--blue);font-weight:1000;letter-spacing:-16px;padding-right:15px;text-shadow:0 0 40px #4bb6ff55}.overlay-emblem span{color:var(--red)}.overlay-title{font-weight:1000;letter-spacing:.5px;line-height:1.05;font-size:clamp(29px,3.2vw,46px);margin:15px 0 10px}.overlay-title span{color:var(--blue)}.battle-overlay p{line-height:1.75;max-width:370px;color:#b1c4d2;font-size:13px}.overlay-features{display:flex;gap:9px;flex-wrap:wrap;justify-content:center;margin:20px 0 28px}.overlay-features span{border:1px solid #34536a;background:#162d3d;padding:8px 9px;font-size:9px;font-weight:900;letter-spacing:.8px;border-radius:5px}.primary-btn{min-height:45px;border:0;border-radius:6px;background:linear-gradient(135deg,#66d1ff,#279bd7);color:#061322;font-weight:1000;letter-spacing:1px;font-size:12px;padding:0 24px;box-shadow:0 5px 30px #4ba9e94d}.primary-btn:hover{filter:brightness(1.15)}.primary-btn span{margin-left:13px}.overlay-foot{margin-top:16px;font-size:10px;color:#7693a8}.game-sidebar{display:flex;flex-direction:column;gap:13px}.command-top{padding-bottom:10px}.command-top h2 span{color:var(--blue)}.turn-badge{font-size:10px;white-space:nowrap;font-weight:900;letter-spacing:1px;color:#66e8af;border:1px solid #31775e;padding:7px 10px;background:#0b362b;border-radius:5px}.turn-badge.waiting{color:#ffd47a;background:#493714;border-color:#9b762b}.progress-strip{display:flex;justify-content:space-between;align-items:center;margin:0 17px 11px;padding:11px 13px;background:#0b1623;border:1px solid #294157;border-radius:6px}.progress-strip>div:first-child{display:flex;align-items:baseline;gap:15px}.progress-strip strong{font-size:17px;white-space:nowrap}.round-marks{display:flex;gap:7px}.round-marks span{height:10px;width:10px;border-radius:50%;background:#33495c;border:1px solid #526479}.round-marks span.win{background:#62e7a5;border-color:#93ffc8;box-shadow:0 0 8px #64e6a077}.round-marks span.loss{background:#f06e75;border-color:#ffb0b5}.round-marks span.draw{background:#e4c36e;border-color:#f1db91}.boards-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;padding:0 17px}.ttt-board{background:#102134;border:1px solid #33536c;border-radius:7px;padding:7px;min-width:0;position:relative;transition:border-color .2s}.ttt-board:focus-within{border-color:#67b8f6}.ttt-board.done.win{border-color:#41976d}.ttt-board.done.loss{border-color:#a45159}.ttt-board.done.draw{border-color:#ab8a46}.ttt-heading{font-size:9px;letter-spacing:1px;color:#9bb0be;font-weight:800;display:flex;justify-content:space-between;margin-bottom:6px}.ttt-heading span:last-child{color:#76caff}.ttt-board.done.win .ttt-heading span:last-child{color:#8befb6}.ttt-board.done.loss .ttt-heading span:last-child{color:#ff8a94}.ttt-board.done.draw .ttt-heading span:last-child{color:#e7c981}.ttt-cells{display:grid;grid-template-columns:repeat(3,1fr);gap:3px}.ttt-cell{display:grid;place-content:center;aspect-ratio:1;min-height:0;width:100%;padding:0;border:1px solid #42617b;border-radius:3px;background:linear-gradient(140deg,#13293e,#0e1d2c);font-size:clamp(18px,2.25vw,27px);font-weight:650;line-height:1;color:#d0e6f6;transition:background .13s,transform .13s}.ttt-cell:not(:disabled):hover{background:#235071;transform:scale(.96)}.ttt-cell.x{color:#6bc5ff;text-shadow:0 0 14px #378cf190}.ttt-cell.o{color:#ff777e;text-shadow:0 0 14px #ff556880}.ttt-cell.win-cell{background:#1b4a4c}.ttt-cell:disabled{cursor:default}.board-footer{display:flex;align-items:center;justify-content:space-between;gap:7px;padding:13px 17px}.result-item{display:flex;align-items:center;gap:6px;color:#8399aa;font-size:9px;letter-spacing:1px;font-weight:900}.result-item b{font-size:14px;color:#d9edf8}.result-item b.win-color{color:var(--green)}.result-item b.loss-color{color:var(--red)}.difficulty-control{display:flex;align-items:center;gap:7px;margin-left:auto}.difficulty-control label{font-size:9px;color:#879eb1;letter-spacing:.4px;font-weight:900;white-space:nowrap}.difficulty-control select{background:#101e30;color:#cce6f8;border:1px solid #36526a;border-radius:4px;padding:5px 3px;font-size:10px;font-weight:800}.cooldown-panel{margin:0 17px 12px;padding:14px;text-align:center;border:1px solid #7d6638;background:linear-gradient(140deg,#3c311c,#152331);border-radius:6px}.cooldown-panel[hidden]{display:none}.cooldown-label{color:#e1bf73;font-size:10px;font-weight:900;letter-spacing:2px}.cooldown-panel strong{font-size:30px;color:#ffe3a2;display:block;margin-top:3px}.cooldown-panel p{color:#b5b4a2;margin:5px auto 11px;font-size:11px}.cooldown-track{height:5px;border-radius:4px;background:#503f27;overflow:hidden}.cooldown-track div{height:100%;width:100%;background:#ffd17c;transition:width .12s linear}.factory-card{padding:15px 17px 12px}.factory-header{display:flex;justify-content:space-between;align-items:center}.factory-header h2{margin-top:5px}.streak-counter{display:flex;flex-direction:column;align-items:center}.streak-counter strong{font-size:30px;line-height:1;color:var(--blue)}.streak-counter span{font-size:8px;color:#92a6b7;letter-spacing:.9px;margin-top:4px;font-weight:900}.streak-track{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:5px;margin:15px 0}.streak-dot{height:7px;border-radius:3px;background:#2c4053;position:relative}.streak-dot.filled{background:#75d1ff;box-shadow:0 0 12px #69bdff66}.streak-dot[data-milestone]:after{content:attr(data-milestone);position:absolute;right:-1px;top:-6px;padding:0px 3px;background:#28465c;color:#d7f1ff;border-radius:2px;font-size:9px;font-weight:900}.streak-dot.filled[data-milestone]:after{background:#72cfff;color:#072337}.unit-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:7px}.unit-card{min-width:0;display:flex;flex-direction:column;align-items:center;text-align:center;gap:2px;padding:9px 3px 7px;background:#0b1928;border:1px solid #334c62;border-radius:6px;color:#a9c0d0;position:relative}.unit-card:not(:disabled):hover{background:#152c41;border-color:#70b2d4}.unit-card.selected{border-color:#63c8fa;background:linear-gradient(180deg,#1f4962,#112334);box-shadow:inset 0 0 0 1px #57bcf55c}.unit-card.locked{filter:grayscale(.85);opacity:.5}.unit-card img{width:100%;height:45px;max-width:95px;object-fit:contain}.unit-card strong{font-weight:950;font-size:10px;line-height:1.25}.unit-card small{font-size:9px;color:#7ea3bb;font-weight:800}.unit-card .card-lock{position:absolute;top:5px;right:6px;font-size:10px;color:var(--amber)}.factory-tip{min-height:35px;padding:11px 0 0;font-size:11px;color:#8fa9bb;line-height:1.5}.intel-card{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:13px 16px;background:#171d28;border-color:#58454b}.intel-card>div{color:#ff858a;font-size:10px;font-weight:900;letter-spacing:1.5px;white-space:nowrap}.enemy-eye{margin-right:4px;font-size:15px}.intel-card>span{color:#b9a8ac;font-size:10px;letter-spacing:.3px;text-align:right}.footer{display:flex;justify-content:space-between;gap:10px;margin-top:11px;color:#678397;font-size:9px;letter-spacing:.8px;font-weight:800}.footer-dim{color:#3d5c72}.modal-scrim{z-index:20;position:fixed;inset:0;display:grid;place-items:center;background:#051019df;padding:18px;backdrop-filter:blur(9px)}.modal-scrim[hidden]{display:none}.choice-modal,.end-modal{border:1px solid #5281a0;border-radius:14px;background:radial-gradient(circle at 50% 0%,#1a3b50,#0b1927 68%);width:min(590px,100%);padding:30px;box-shadow:0 24px 110px #000a}.choice-modal h2,.end-modal h2{font-size:27px;line-height:1.15;margin:11px 0}.choice-modal h2 span{color:#76ccff}.choice-modal p,.end-modal p{font-size:12px;color:#9cb4c6;line-height:1.75}.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:19px}.choice-button{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;border:1px solid #477b9c;border-radius:9px;padding:15px 10px;color:#e7f6ff;background:#122c43}.choice-button:hover{transform:translateY(-3px);filter:brightness(1.16)}.choice-button img{height:105px;width:100%;object-fit:contain}.choice-button strong{font-size:17px;font-weight:1000}.choice-button span{font-size:11px;line-height:1.5;color:#a9c3d7;min-height:34px}.choice-button b{font-size:11px;color:#9be9ff}.flame-choice{background:#3c251d;border-color:#97634d}.flame-choice b{color:#ffc07b}.end-modal{text-align:center;width:min(460px,100%)}.end-mark{font-size:64px;color:var(--blue)}.end-modal.lost .end-mark,.end-modal.lost h2{color:var(--red)}.end-stats{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid #365069;border-radius:8px;background:#101e2c;margin:20px 0;padding:17px 3px}.end-stats div{display:flex;flex-direction:column;gap:6px}.end-stats strong{font-size:22px;color:#85d4ff}.end-stats span{font-size:8px;color:#8faabd;letter-spacing:.8px;font-weight:900}
@media(max-width:1140px){.app-shell{padding:13px}.main-layout{grid-template-columns:minmax(370px,1fr) minmax(420px,1fr);gap:10px}.header-stats{gap:4px}.header-pill{padding:9px 8px}.battle-legend{gap:7px}.combat-log{max-width:145px}.board-footer{flex-wrap:wrap}.difficulty-control{margin-left:auto}.unit-card img{height:39px}}
@media(max-width:850px){.masthead{height:auto;flex-wrap:wrap}.header-stats{order:3;width:100%;justify-content:space-between}.main-layout{grid-template-columns:1fr}.battle-card{max-width:680px;width:100%;margin:auto}.game-sidebar{width:100%;max-width:680px;margin:auto}.ttt-cell{font-size:clamp(19px,4.2vw,30px)}.footer{flex-direction:column;line-height:1.65}.unit-card img{height:55px}.battlefield-frame{max-height:none}}
@media(max-width:480px){.app-shell{padding:8px}.brand-name{font-size:21px}.brand-sub{font-size:8px;letter-spacing:1px}.masthead{gap:8px;margin-bottom:9px}.header-actions{gap:4px}.secondary-btn{padding:0 8px}.secondary-btn span{display:none}.header-pill{font-size:9px}.panel-top{padding:13px}.battle-head{height:61px}.battle-head h2,.command-top h2,.factory-header h2{font-size:13px}.small-note{font-size:8px}.battlefield-frame{margin:0 6px}.battle-foot{padding:0 10px}.combat-log{max-width:120px}.boards-grid{gap:6px;padding:0 9px}.ttt-board{padding:5px}.ttt-cells{gap:2px}.ttt-cell{font-size:21px}.ttt-heading{font-size:8px}.progress-strip{margin:0 9px 9px}.round-marks{gap:5px}.round-marks span{width:8px;height:8px}.board-footer{padding:11px}.unit-list{gap:4px}.unit-card strong{font-size:9px}.unit-card img{height:40px}.unit-card{padding:7px 2px}.footer{font-size:8px}.choice-modal,.end-modal{padding:20px}.choice-modal h2{font-size:21px}.choice-button img{height:77px}.choice-button strong{font-size:13px}.choice-button span{font-size:10px}.overlay-title{font-size:29px}.overlay-features{gap:5px}.overlay-features span{font-size:8px;padding:7px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important}}

/* Original synthesized sound effects: visible mute toggle and desktop volume control. */
.icon-btn.sound-on{background:#16482f;border-color:#489e76;color:#8bf6c5;box-shadow:0 0 14px #41e2a51d}.sound-volume{display:flex;align-items:center;gap:7px;color:#9db5c7;font-size:9px;letter-spacing:1px;font-weight:900;padding:0 5px}.sound-volume input{width:78px;accent-color:#63d6e0;cursor:pointer}@media(max-width:1140px){.sound-volume input{width:54px}}@media(max-width:850px){.sound-volume{display:none}}