html,body{height:100%;margin:0;padding:0}[hidden]{display:none!important}body{box-sizing:border-box;background:linear-gradient(135deg, var(--color-page-gradient-start) 0%, var(--color-page-gradient-end) 100%);font-family:var(--font-body,Arial, sans-serif);color:#fff;flex-direction:column;justify-content:flex-start;align-items:center;padding:20px 20px 40px;display:flex;overflow:hidden}button{cursor:pointer;border:none;font-family:inherit}.start-screen{z-index:1000;background:linear-gradient(135deg, var(--color-page-gradient-start) 0%, var(--color-page-gradient-end) 100%);justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.start-panel{background:var(--color-panel-background);text-align:center;border-radius:20px;width:90%;max-width:800px;margin:0 20px;padding:40px 40px 80px;box-shadow:0 10px 40px #00000080}@media (width<=600px){.start-panel{margin:0 40px}}.builder-canvas{margin:20px auto;display:block}.start-title{color:var(--color-canvas-border);white-space:nowrap;margin:20px 0;font-size:clamp(24px,5vw,42px)}.start-description{max-width:600px;margin:30px auto;font-size:clamp(16px,3vw,20px);line-height:1.6}.start-button{color:#fff;background:linear-gradient(145deg, var(--color-button-go-fill-top), var(--color-button-go-fill-bottom));border-radius:15px;margin-top:20px;padding:15px 40px;font-size:clamp(20px,4vw,32px);font-weight:700;transition:transform .3s;box-shadow:0 8px 15px #0000004d}.start-button:hover{transform:scale(1.05)}.game-title{text-align:center;margin:0 0 10px;font-size:clamp(18px,3.5vw,28px)}.controls{box-sizing:border-box;justify-content:space-between;align-items:center;gap:10px;padding-bottom:10px;display:flex}.stats{flex-shrink:0;gap:15px;font-size:clamp(12px,2vw,16px);display:flex}.go-button{color:#fff;background:linear-gradient(145deg, var(--color-button-go-fill-top), var(--color-button-go-fill-bottom));border-radius:10px;flex-shrink:0;padding:10px 30px;font-size:clamp(20px,4vw,28px);font-weight:700;box-shadow:0 4px 8px #0000004d}.tool-buttons{flex-shrink:0;gap:8px;display:flex}.tool-button{color:#fff;background:var(--color-button-neutral-fill);border-radius:10px;justify-content:center;align-items:center;padding:8px 16px;font-size:clamp(22px,4vw,30px);font-weight:700;display:flex;box-shadow:0 4px 8px #0000004d}.canvas-wrapper{display:inline-block;position:relative}canvas{display:block}.game-overlay{background:var(--color-overlay-backdrop);border-radius:15px;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.overlay-content{text-align:center;padding:0 20px}.overlay-title{margin:0 0 20px;font-size:clamp(28px,5vw,50px)}.overlay-title--win{color:var(--color-overlay-win-title)}.overlay-title--fail{color:var(--color-overlay-fail-title)}.overlay-score{color:var(--color-overlay-text);margin:0 0 20px;font-size:clamp(18px,3vw,30px)}.overlay-message{color:var(--color-overlay-text);margin:0 0 20px;font-size:clamp(14px,2.2vw,24px)}.overlay-buttons{justify-content:center;gap:12px;display:flex}.overlay-button{color:#fff;border:3px solid;border-radius:8px;padding:12px 24px;font-size:16px;font-weight:700;box-shadow:0 4px 8px #0000004d}.overlay-button--try-again{background:var(--color-button-try-again-fill);border-color:var(--color-button-try-again-border)}.overlay-button--next-level{background:var(--color-button-next-level-fill);border-color:var(--color-button-next-level-border)}