:root{color-scheme:dark;font-family:Avenir Next,Segoe UI,system-ui,sans-serif;--ink: #ecf3f8;--muted: #a8bbce;--panel: #192b40;--line: #3a5067;--mint: #6ee7c2}*{box-sizing:border-box}body{margin:0;min-height:100vh;color:var(--ink);background:#0c1726}.app{width:min(1080px,calc(100% - 24px));margin:0 auto;padding:16px 0;display:grid;gap:10px}.hud{display:flex;align-items:center;gap:18px;padding:10px 0}.brand h1{margin:0;font-size:clamp(1.3rem,2.8vw,1.8rem);letter-spacing:-.045em}.brand p{margin:4px 0 0;color:var(--muted);font-size:.78rem}.meters{display:flex;flex:1;gap:14px;justify-content:flex-end}.meter{min-width:58px;border-left:1px solid var(--line);padding-left:12px}.meter span{display:block;color:var(--muted);font-size:.72rem}.meter strong{font-size:1.35rem;font-variant-numeric:tabular-nums}.hud-actions{display:flex;gap:6px}button,select{font:inherit}button{color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:6px;min-height:44px;padding:8px 12px;font-weight:700;cursor:pointer}button:hover:not(:disabled){border-color:var(--mint)}button:disabled{opacity:.4;cursor:default}#startButton,#deployButton,#nextButton,#waveButton{background:var(--mint);color:#102b2d;border-color:var(--mint)}.intel{padding:12px 16px;border-left:3px solid #ffc268;background:#202f40}.intel strong{color:#ffd08a;font-size:.84rem}.intel p{margin:5px 0 0;color:#dae4ee;font-size:.86rem;line-height:1.5}.stage{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:#111e30}#game{width:100%;aspect-ratio:3 / 2}#game canvas{display:block;max-width:100%;cursor:crosshair}.sheet{position:absolute;inset:auto 20px 20px;max-width:460px;padding:20px;border:1px solid #647c94;border-radius:8px;background:#0c1a2af7;box-shadow:0 12px 30px #0005}.sheet.hidden,.hidden{display:none}.kicker{margin:0;font-size:.76rem;color:var(--mint)}.sheet h2{margin:6px 0 10px;font-size:1.65rem;letter-spacing:-.025em}.sheet p{line-height:1.45}.goals{padding-left:18px;color:var(--muted);font-size:.85rem;line-height:1.6}.goals .met{color:var(--mint)}.level-picks{display:flex;flex-wrap:wrap;gap:6px}.level-picks button{font-size:.8rem}.level-picks button.active{border-color:var(--mint);color:var(--mint)}.setup{margin-top:12px;color:var(--muted);font-size:.85rem}.setup summary{cursor:pointer;padding:6px 0}.setup label{display:flex;align-items:center;gap:10px;margin-top:8px}select{border:1px solid var(--line);border-radius:4px;padding:8px;color:var(--ink);background:var(--panel)}.stars{font-size:1.5rem;color:#ffc268;letter-spacing:.15em}.hint{color:var(--muted);font-size:.85rem}.dock{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"goal goal" "tools wave";gap:8px}.goal-line{grid-area:goal;color:var(--muted);font-size:.8rem;line-height:1.5}.build-menu{grid-area:tools;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}.tool-card{display:grid;justify-items:center;gap:4px;min-height:82px;padding:10px 4px;font-size:.8rem}.tool-card small{color:var(--muted);font-size:.7rem}.tool-card.active{border-color:var(--mint);background:#204339}.tool-card.danger.active{border-color:#ff8768;background:#493238}.glyph{display:block;width:22px;height:22px;border:2px solid currentColor}.glyph.fighter{color:#6ee7c2;border-radius:50%;border-top-width:8px}.glyph.rocket{color:#ffc268;border-radius:4px;border-top-width:8px}.glyph.frost{color:#79bbff;border-radius:50%;border-style:dashed}.glyph.wall{color:#b8c6d9;border-left-width:7px;border-right-width:7px}.glyph.bin{width:15px;height:18px;color:#b8c6d9;border-top-width:5px}#waveButton{grid-area:wave;min-width:126px}.message{margin:0;color:var(--muted);font-size:.82rem;padding:4px 0;min-height:26px}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}button:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible,#game:focus-visible{outline:3px solid #ffc268;outline-offset:3px}.app[data-phase=play] .briefing,.app[data-phase=ended] .briefing,.app[data-phase=play] .debrief{display:none}@media(max-width:880px){.hud{flex-wrap:wrap;gap:12px}.hud-actions{width:100%}.hud-actions button{flex:1}}@media(max-width:560px){.app{width:calc(100% - 16px);padding:8px 0}.brand{width:100%}.meters{justify-content:flex-start}.meter{flex:1}.sheet{position:relative;inset:auto;max-width:none;margin:0;border:0;border-top:1px solid var(--line);border-radius:0;padding:16px}.dock{grid-template-columns:1fr;grid-template-areas:"goal" "tools" "wave"}.tool-card{font-size:.66rem;padding:8px 2px}.tool-card small{font-size:.62rem}.intel{padding:10px 12px}#waveButton{width:100%}}@media(min-width:881px){.app{grid-template-columns:minmax(0,1fr) 240px;align-items:start}.hud{grid-column:1 / -1}.stage{grid-column:1;grid-row:2 / 4}.intel{grid-column:2;grid-row:2}.dock{grid-column:2;grid-row:3;grid-template-columns:1fr;grid-template-areas:"goal" "tools" "wave"}.build-menu{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-card:last-child{grid-column:1 / -1;min-height:44px;grid-template-columns:auto 1fr;align-items:center}.tool-card:last-child small{grid-column:2}.message{grid-column:1 / -1}.sheet{inset:auto 12px 12px;padding:16px}}.stage{display:grid}#game,.sheet{grid-area:1 / 1}.sheet{position:relative;inset:auto;margin:12px;align-self:end}.close-briefing{float:right;margin:-4px -4px 4px 8px;font-size:1.3rem}#deployButton{width:100%;margin-top:16px}@media(max-width:560px){#game,.sheet{grid-area:auto}.sheet{margin:0}}