:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#17211b;background:#f6f4ee;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input,textarea,select{font:inherit}.app-shell{min-height:100vh;display:grid;grid-template-columns:minmax(320px,.95fr) minmax(320px,1.05fr);background:linear-gradient(90deg,rgba(42,99,86,.12) 1px,transparent 1px),linear-gradient(0deg,rgba(42,99,86,.12) 1px,transparent 1px),#f6f4ee;background-size:48px 48px}.game-panel{min-height:100vh;padding:32px;display:flex;flex-direction:column;justify-content:space-between;background:#2a6356;color:#f9f8f0}.status-bar,.meter-grid,.data-band{display:grid;gap:16px}.status-bar{grid-template-columns:1fr auto;align-items:start}.eyebrow{margin:0 0 8px;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:#c9dc9f}h1,h2,p{margin-top:0}h1{margin-bottom:0;font-size:clamp(2.25rem,6vw,5.5rem);line-height:.95}h2{margin-bottom:14px;font-size:1rem;color:#263d34}.phase-badge{min-width:86px;min-height:40px;display:inline-grid;place-items:center;border:1px solid rgba(249,248,240,.42);border-radius:8px;color:#f9f8f0;text-transform:uppercase}.playfield{display:grid;grid-template-columns:minmax(84px,120px) minmax(220px,1fr);align-items:center;gap:24px;width:100%}.castle{display:grid;justify-items:center;gap:0}.castle-roof{width:78%;aspect-ratio:1.8;clip-path:polygon(50% 0,100% 100%,0 100%);background:#d44637}.castle-body{width:100%;aspect-ratio:.9;display:grid;place-items:center;border:3px solid #f9f8f0;border-radius:8px 8px 4px 4px;background:#d7bd73;color:#17211b;box-shadow:inset 0 -14px #3d31241f}.castle-body span{font-size:2rem;font-weight:800}.board{display:grid;gap:10px;width:min(100%,440px);aspect-ratio:1}.cell{min-width:0;aspect-ratio:1;border:2px solid rgba(249,248,240,.48);border-radius:8px;background:#f9f8f01f;box-shadow:inset 0 0 0 1px #17211b1a}.meter-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.meter{min-height:76px;display:grid;align-content:center;gap:4px;padding:14px;border-radius:8px;background:#f9f8f01f}.meter span{color:#c9dc9f;font-size:.8rem}.meter strong{color:#fffefa;font-size:1.3rem}.data-band{align-content:start;padding:32px;grid-template-rows:auto auto}.wave-list,.upgrade-list{display:grid;gap:10px}.wave-list{grid-template-columns:repeat(5,minmax(0,1fr))}.wave-card,.upgrade-card{border:1px solid #d6d0c1;border-radius:8px;background:#fffefabd}.wave-card{min-height:92px;display:grid;gap:3px;align-content:center;padding:12px}.wave-card span,.wave-card small,.upgrade-card span{color:#64756d}.wave-card strong{font-size:1.7rem;color:#d44637}.upgrade-list{grid-template-columns:repeat(2,minmax(0,1fr))}.upgrade-card{min-height:84px;display:grid;align-content:center;gap:7px;padding:14px}.upgrade-card strong{color:#263d34}.upgrade-card span{line-height:1.45}@media(max-width:920px){.app-shell{grid-template-columns:1fr}.game-panel{min-height:auto;gap:40px}}@media(max-width:620px){.game-panel,.data-band{padding:20px}.playfield{grid-template-columns:1fr}.castle{width:92px}.meter-grid,.wave-list,.upgrade-list{grid-template-columns:repeat(2,minmax(0,1fr))}}