* { box-sizing: border-box; margin: 0; padding: 0; user-select: none; }
body { font-family: 'Orbitron', 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(10, 0, 20, 0.9); backdrop-filter: blur(10px); 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: #ff00ff; text-shadow: 0 0 20px rgba(255, 0, 255, 0.6); text-transform: uppercase; letter-spacing: 2px; }
p { font-size: 1.2rem; margin-bottom: 2.5rem; text-align: center; max-width: 500px; color: #a0aec0; line-height: 1.6; }

.ui-btn { font-family: inherit; padding: 15px 50px; font-size: 1.5rem; font-weight: bold; color: #fff; background: linear-gradient(135deg, #ff00ff, #00ffff); border: none; border-radius: 8px; cursor: pointer; box-shadow: 0 0 20px rgba(255, 0, 255, 0.4); transition: transform 0.2s, filter 0.2s; text-transform: uppercase; letter-spacing: 2px; }
.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-pill { background: rgba(0, 0, 0, 0.6); border: 1px solid #00ffff; backdrop-filter: blur(8px); padding: 10px 20px; border-radius: 20px; font-size: 1.2rem; color: #fff; text-shadow: 0 0 10px #00ffff; box-shadow: 0 0 15px rgba(0, 255, 255, 0.3); }
.hud-pill strong { color: #ff00ff; margin-left: 5px; font-size: 1.4rem; }

#dpad { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: grid; grid-template-columns: 60px 60px 60px; grid-template-rows: 60px 60px 60px; gap: 10px; z-index: 5; }
.d { background: rgba(255, 0, 255, 0.2); border: 2px solid #ff00ff; border-radius: 10px; color: #fff; font-size: 1.5rem; cursor: pointer; display: flex; align-items: center; justify-content: center; backdrop-filter: blur(5px); }
.d:active { background: rgba(255, 0, 255, 0.6); }
.up { grid-column: 2; grid-row: 1; }
.left { grid-column: 1; grid-row: 2; }
.right { grid-column: 3; grid-row: 2; }
.down { grid-column: 2; grid-row: 3; }