* { box-sizing: border-box; margin: 0; padding: 0; user-select: none; }
body { font-family: 'Inter', system-ui, sans-serif; overflow: hidden; background: #000; touch-action: none; color: #fff; }
#game-root { position: relative; width: 100vw; height: 100vh; }
canvas { display: block; width: 100%; height: 100%; }

.screen { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; background: rgba(0, 15, 30, 0.85); backdrop-filter: blur(8px); z-index: 10; transition: opacity 0.3s; }
.hidden { opacity: 0; pointer-events: none; }

h1 { font-size: 3.5rem; margin-bottom: 1rem; text-align: center; color: #00ffff; text-shadow: 0 0 20px rgba(0, 255, 255, 0.5); text-transform: uppercase; letter-spacing: 2px; }
p { font-size: 1.2rem; margin-bottom: 2.5rem; text-align: center; max-width: 500px; color: #94a3b8; line-height: 1.5; }

.ui-btn { padding: 15px 50px; font-size: 1.5rem; font-weight: bold; color: #fff; background: linear-gradient(180deg, #00ffff, #0088ff); border: none; border-radius: 8px; cursor: pointer; box-shadow: 0 0 20px rgba(0, 255, 255, 0.4); transition: transform 0.2s, filter 0.2s; text-transform: uppercase; }
.ui-btn:active { transform: scale(0.95); }
.ui-btn:hover { filter: brightness(1.2); }

#hud { position: absolute; top: 20px; left: 20px; right: 20px; display: flex; justify-content: space-between; z-index: 5; pointer-events: none; }
.hud-card { background: rgba(0, 10, 25, 0.6); border: 1px solid rgba(0, 255, 255, 0.3); backdrop-filter: blur(8px); padding: 15px 25px; border-radius: 12px; text-align: center; box-shadow: 0 4px 15px rgba(0,0,0,0.5); }
.hud-card h2 { font-size: 0.9rem; color: #00ffff; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 5px; }
.hud-card .big { font-size: 1.8rem; font-weight: bold; color: #fff; text-shadow: 0 0 10px #00ffff; }
.badge { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: #00ffff; border: 1px solid rgba(0,255,255,0.5); padding: 6px 12px; border-radius: 999px; margin-bottom: 16px; background: rgba(0,255,255,0.1); }