:root{--bg:#02030a;--ice:#d8ecff;--ice-dim:#8fb4d9;--panel:#080e1cb8;--panel-border:#8fb4d940;--energy:#ffd166;--gutter:max(12px, env(safe-area-inset-left));--font:system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, "SF Mono", Menlo, Consolas, monospace}html,body{background:var(--bg);height:100%;color:var(--ice);font-family:var(--font);-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;overscroll-behavior:none;margin:0;overflow:hidden}#game{touch-action:none;position:fixed;inset:0}#game canvas{display:block}#ui{pointer-events:none;position:fixed;inset:0}.swarm-labels{pointer-events:none;position:absolute;inset:0;overflow:hidden}.swarm-label{border:1.5px solid var(--faction);color:#fff;font:600 12px/1.2 var(--font);white-space:nowrap;will-change:transform;background:#02030a99;border-radius:10px;padding:2px 7px;position:absolute;top:0;left:0}.swarm-label[hidden]{display:none}.debug-hud{top:max(8px, env(safe-area-inset-top));left:max(8px, env(safe-area-inset-left));font:12px/1.4 var(--mono);color:var(--ice-dim);pointer-events:none;background:#00000080;border-radius:4px;padding:4px 8px;position:absolute}.fatal-error{text-align:center;position:absolute;inset:auto 16px 50%}.hud{pointer-events:none;font:600 14px/1 var(--font);position:absolute;inset:0}.hud svg{flex:none;width:20px;height:20px}.hud-top{top:max(10px, env(safe-area-inset-top));width:min(420px, calc(100vw - 2 * var(--gutter) - 220px));flex-wrap:wrap;align-items:center;gap:6px 10px;min-width:200px;display:flex;position:absolute;left:50%;transform:translate(-50%)}.domination{border:1px solid var(--panel-border);background:#8a94a659;border-radius:8px;flex:1;height:16px;display:flex;overflow:hidden}.domination-segment{color:#02030abf;justify-content:center;align-items:center;min-width:0;font-size:10px;transition:flex-basis .3s;display:flex}.clock{background:var(--panel);font-family:var(--mono);font-variant-numeric:tabular-nums;border-radius:6px;padding:4px 8px}.hud-resources{left:var(--gutter);bottom:max(12px, env(safe-area-inset-bottom));flex-direction:column;gap:6px;display:flex;position:absolute}.resource{border:1px solid var(--panel-border);background:var(--panel);font-variant-numeric:tabular-nums;border-radius:10px;align-items:center;gap:8px;min-width:96px;padding:8px 12px;font-size:18px;display:flex}.resource:first-child svg{color:var(--energy)}.hud-upgrades{right:max(12px, env(safe-area-inset-right));bottom:max(12px, env(safe-area-inset-bottom));gap:8px;display:flex;position:absolute}.upgrade{pointer-events:auto;border:1px solid var(--panel-border);background:var(--panel);min-width:64px;min-height:64px;color:var(--ice);font:inherit;cursor:pointer;touch-action:manipulation;border-radius:12px;justify-items:center;gap:4px;padding:8px 6px;display:grid}.upgrade svg{width:22px;height:22px}.upgrade[data-stat=fire] svg{color:#ff7a59}.upgrade[data-stat=armor] svg{color:#7fd1ff}.upgrade[data-stat=speed] svg{color:#b9f18c}.upgrade-level{font-size:12px}.upgrade-cost{color:var(--energy);font-variant-numeric:tabular-nums;font-size:12px}.upgrade:not(:disabled):hover{border-color:var(--ice-dim)}.upgrade:not(:disabled):active{transform:scale(.96)}.upgrade:disabled{cursor:default;opacity:.45}.upgrade:focus-visible{outline:2px solid var(--ice);outline-offset:2px}.rotate-notice{display:none}@media (orientation:portrait) and (width<=900px){.rotate-notice{pointer-events:auto;background:var(--bg);text-align:center;justify-content:center;align-items:center;padding:24px;font-size:20px;display:flex;position:absolute;inset:0}}@media (height<=420px){.resource{min-width:80px;padding:6px 10px;font-size:16px}.upgrade{min-width:56px;min-height:56px;padding:6px 4px}}.hud[hidden]{display:none}.hud-pause,.hud-help,.sound-toggle{pointer-events:auto;top:max(8px, env(safe-area-inset-top));right:max(12px, env(safe-area-inset-right));border:1px solid var(--panel-border);background:var(--panel);width:44px;height:44px;color:var(--ice);cursor:pointer;border-radius:10px;place-items:center;display:grid;position:absolute}.screen{pointer-events:auto;padding:max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));position:absolute;inset:0;overflow-y:auto}.screen[hidden]{display:none}.screen h1,.screen h2,.screen p{margin:0}.screen button{font:inherit;cursor:pointer;touch-action:manipulation}.screen button:focus-visible,.screen input:focus-visible{outline:2px solid var(--ice);outline-offset:2px}.main-menu{background:linear-gradient(90deg,#02030ad9,#02030a8c);grid-template-columns:minmax(200px,.8fr) minmax(320px,1.2fr);align-items:center;gap:24px;max-width:1080px;margin:0 auto;display:grid}.brand{text-align:center;justify-items:center;gap:6px;display:grid}.mascot{filter:drop-shadow(0 0 18px #7fd1ff40);width:min(260px,70%);height:auto}.brand h1{letter-spacing:.01em;font-size:clamp(26px,4.2vw,44px);line-height:1.05}.subtitle{color:var(--ice-dim);font-size:16px;font-style:italic}.menu-panel{border:1px solid var(--panel-border);background:var(--panel);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-radius:16px;gap:14px;padding:18px;display:grid}.menu-panel h2{font-size:18px}.menu-field{border:0;gap:6px;min-width:0;margin:0;padding:0;display:grid}.menu-field legend{color:var(--ice-dim);margin-bottom:6px;padding:0;font-size:13px}.choice-group{grid-auto-columns:1fr;grid-auto-flow:column;gap:6px;display:grid}.choice{border:1px solid var(--panel-border);min-height:44px;color:var(--ice);text-align:center;background:#ffffff08;border-radius:10px;align-content:center;justify-items:center;gap:2px;padding:6px 4px;display:grid}.choice[aria-pressed=true]{border-color:var(--ice);background:#d8ecff24}.faction-choice[aria-pressed=true]{border-color:var(--faction);background:color-mix(in srgb, var(--faction) 22%, transparent)}.faction-symbol{color:var(--faction);font-size:18px;line-height:1}.choice-title{font-size:13px;font-weight:600}.choice-detail{color:var(--ice-dim);font-size:11px}.toggle{cursor:pointer;align-items:center;gap:10px;min-height:44px;display:flex}.toggle>span{gap:2px;display:grid}.toggle input{accent-color:#7fd1ff;width:22px;height:22px}.primary,.secondary{border-radius:12px;min-height:48px;padding:10px 20px;font-weight:700!important}.primary{color:#02030a;background:#7fd1ff;border:0;font-size:17px!important}.primary:hover{background:#a8e1ff}.secondary{border:1px solid var(--panel-border);color:var(--ice);background:#ffffff0a}.secondary:hover{border-color:var(--ice-dim)}.overlay-screen{background:#02030ab3;place-items:center;display:grid}.card{border:1px solid var(--panel-border);background:var(--panel);text-align:center;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-radius:18px;gap:16px;width:min(420px,100%);padding:24px;display:grid}.card h2{font-size:28px}.card-actions{gap:8px;display:grid}.hint{color:var(--ice-dim);font-size:13px}.results h2{color:#ff8a7a}.results.victory h2{color:#ffd166}.results-detail{color:var(--ice-dim)}.results-stats{text-align:left;grid-template-columns:1fr auto;gap:8px 16px;margin:0;display:grid}.results-stats dt{color:var(--ice-dim)}.results-stats dd{font-variant-numeric:tabular-nums;margin:0;font-weight:700}@media (height<=500px){.main-menu{grid-template-columns:minmax(160px,.6fr) minmax(320px,1.4fr);gap:12px}.mascot{width:min(180px,80%)}.menu-panel{gap:8px;padding:12px}.menu-panel h2,.choice-detail,.faction-choice .choice-detail{display:none}.card{gap:10px;padding:16px}.card-actions{grid-auto-flow:column}}@media (width<=640px) and (height>=501px){.main-menu{grid-template-columns:1fr}}.sound-toggle{z-index:2;right:calc(max(12px, env(safe-area-inset-right)) + 52px)}.sound-toggle svg{width:22px;height:22px}.objective-progress{text-align:center;color:var(--energy);text-shadow:0 1px 2px #000c;flex-basis:100%;font-size:13px}.objective-progress[hidden],.hud-groups[hidden]{display:none}.hud-groups{left:50%;bottom:max(12px, env(safe-area-inset-bottom));align-items:center;gap:6px;display:flex;position:absolute;transform:translate(-50%)}.group-chips{gap:6px;display:flex}.group-chip,.split-button{pointer-events:auto;border:1px solid var(--panel-border);background:var(--panel);min-height:44px;color:var(--ice);font:inherit;white-space:nowrap;cursor:pointer;touch-action:manipulation;border-radius:10px;padding:6px 12px;font-size:13px}.group-chip[aria-pressed=true]{border-color:var(--ice);background:#d8ecff29}.split-button:disabled{opacity:.45;cursor:default}.swarm-label.selected{outline-offset:1px;outline:2px solid #fff}.menu-content{gap:8px;min-width:0;display:grid}.menu-tabs{grid-template-columns:1fr 1fr;gap:6px;margin-right:52px;display:grid}.menu-tab{border:1px solid var(--panel-border);background:var(--panel);min-height:44px;color:var(--ice-dim);border-radius:10px;font-weight:700!important}.menu-tab[aria-selected=true]{border-color:var(--ice);color:var(--ice);background:#d8ecff24}.menu-panel[hidden]{display:none}.menu-toggles{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.campaign-panel{flex-direction:column;gap:8px;max-height:min(70vh,560px);display:flex;overflow-y:auto}.campaign-panel .level-item{flex-shrink:0}.level-item{border:1px solid var(--panel-border);min-height:44px;color:var(--ice);text-align:left;background:#ffffff08;border-radius:12px;gap:3px;padding:10px 12px;display:grid}.level-item:hover{border-color:var(--ice-dim)}.level-number{color:var(--energy);font-size:12px;font-weight:700}.level-briefing{color:var(--ice);font-size:13px;line-height:1.3}@media (height<=500px){.menu-toggles{grid-template-columns:repeat(3,1fr)}.toggle .choice-detail{display:none}.campaign-panel{max-height:calc(100vh - 90px)}}.hud-help{right:calc(max(12px, env(safe-area-inset-right)) + 104px)}.hud-hint{top:calc(max(10px, env(safe-area-inset-top)) + 54px);border:1px solid var(--panel-border);max-width:min(560px,100vw - 32px);color:var(--ice);text-align:center;pointer-events:none;background:#080e1ce0;border-radius:10px;padding:8px 14px;font-size:14px;font-weight:600;line-height:1.3;position:absolute;left:50%;transform:translate(-50%)}.hud-hint[hidden]{display:none}.resource-value{line-height:1.05;display:grid}.resource-value small{color:var(--ice-dim);font-size:10px;font-weight:600}.upgrade-name{color:var(--ice);font-size:11px}.split-button{align-items:center;gap:6px;display:flex}.split-button svg{width:18px;height:18px}.help-card{text-align:left;grid-template-rows:auto 1fr;width:min(760px,100%);max-height:calc(100vh - 32px)}.help-header{justify-content:space-between;align-items:center;gap:12px;display:flex}.help-header h2{font-size:24px}.help-close{min-height:44px!important;padding:8px 16px!important}.help-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:12px;padding-right:4px;display:grid;overflow-y:auto}.help-section{border:1px solid var(--panel-border);background:#ffffff08;border-radius:12px;align-content:start;gap:6px;padding:12px;display:grid}.help-section h3{align-items:center;gap:8px;margin:0;font-size:15px;display:flex}.help-section p,.help-section li,.help-section dd,.help-legend-row span{color:var(--ice);margin:0;font-size:14px;line-height:1.4}.help-icon{width:28px;height:28px;color:var(--ice);background:#d8ecff1a;border-radius:8px;flex:none;place-items:center;display:inline-grid}.help-icon svg{width:18px;height:18px}.help-icon.stat-fire{color:#ff7a59}.help-icon.stat-armor{color:#7fd1ff}.help-icon.stat-speed{color:#b9f18c}.help-icon.stat-energy{color:var(--energy)}.help-icon.stat-units{color:var(--ice)}.help-legend{gap:6px;display:grid}.help-legend-row{grid-template-columns:auto 92px 1fr;align-items:center;gap:8px;display:grid}.help-steps{gap:4px;margin:0;padding-left:20px;display:grid}.help-controls{grid-template-columns:auto 1fr;gap:4px 10px;margin:0;display:grid}.help-controls dt{font:600 12px/1.4 var(--mono);color:var(--ice)}.help-factions{flex-wrap:wrap;gap:6px;display:flex}.help-faction{border:1px solid var(--faction);border-radius:8px;align-items:center;gap:6px;padding:4px 8px;font-size:12px;display:inline-flex}@media (height<=500px){.help-card{max-height:calc(100vh - 16px)}}.help-button{margin-top:10px;min-height:44px!important;padding:8px 18px!important}.help-screen{z-index:3}.speed-button{pointer-events:auto;border:1px solid var(--panel-border);background:var(--panel);min-width:44px;min-height:32px;color:var(--ice);font:700 13px/1 var(--mono);cursor:pointer;border-radius:6px;padding:4px 8px}.speed-button.fast{border-color:var(--energy);color:var(--energy)}.sound-panel{pointer-events:auto;z-index:4;top:calc(max(8px, env(safe-area-inset-top)) + 52px);right:max(12px, env(safe-area-inset-right));border:1px solid var(--panel-border);width:220px;color:var(--ice);font:600 13px/1.2 var(--font);background:#080e1cf2;border-radius:12px;gap:10px;padding:14px;display:grid;position:absolute}.sound-panel[hidden]{display:none}.volume{gap:4px;display:grid}.volume input{accent-color:#7fd1ff;width:100%}.continue-button{gap:2px;min-height:48px;margin-top:10px;display:grid!important}.continue-button small{opacity:.8;font-size:12px;font-weight:600}.stats-line{color:var(--ice-dim);font-size:12px}.level-item.completed .level-number:after{content:" · ✓";color:#7ee08a}.continue-button[hidden],.stats-line[hidden]{display:none!important}