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48px;font-family:var(--font-mono);font-size:16px;font-weight:600;letter-spacing:3px;color:#fff;background:linear-gradient(135deg,#3ca0dc33,#2850784d);border:2px solid rgba(60,160,220,.6);border-radius:4px;cursor:pointer;overflow:hidden;transition:all .3s ease}.start-button:hover{background:linear-gradient(135deg,#3ca0dc66,#28507880);border-color:#64c8ffcc;box-shadow:0 0 30px #3ca0dc80,inset 0 0 20px #3ca0dc1a;transform:translateY(-2px)}.start-button:active{transform:translateY(0)}.button-text{position:relative;z-index:2}.button-glow{position:absolute;top:50%;left:50%;width:200%;height:200%;background:radial-gradient(circle,rgba(60,160,220,.3) 0%,transparent 70%);transform:translate(-50%,-50%);opacity:0;transition:opacity .3s ease}.start-button:hover .button-glow{opacity:1}.loading-container{width:320px;display:flex;flex-direction:column;align-items:center;gap:12px}.loading-bar-track{width:100%;height:6px;background:#8294a133;border-radius:3px;overflow:hidden;border:1px solid rgba(130,148,161,.3)}.loading-bar-fill{height:100%;background:linear-gradient(90deg,#3ca0dc,#64c8ff,#3ca0dc);background-size:200% 100%;animation:shimmer 1.5s ease-in-out infinite;border-radius:2px;transition:width .05s linear;box-shadow:0 0 10px #3ca0dc99}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.loading-status{font-family:var(--font-mono);font-size:12px;color:var(--sentient-steel-blue);letter-spacing:1px;text-align:center;min-height:18px}.loading-percent{font-family:var(--font-mono);font-size:14px;color:var(--text-secondary);letter-spacing:2px}.landing-particles{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;overflow:hidden}.particle{position:absolute;width:2px;height:2px;background:#8294a199;border-radius:50%;animation:twinkle 3s ease-in-out infinite}@keyframes twinkle{0%,to{opacity:.2;transform:scale(1)}50%{opacity:.8;transform:scale(1.5)}}.landing-footer{position:absolute;bottom:24px;display:flex;align-items:center;gap:12px;font-size:12px;color:var(--text-secondary);letter-spacing:2px;text-transform:uppercase}.footer-divider{color:#8294a166}@media(max-width:768px){.landing-content{padding:20px}.company-logo{max-width:280px}.app-title{font-size:20px;letter-spacing:4px}.start-button{padding:16px 32px;font-size:14px;min-height:54px}.loading-container{width:280px}.landing-footer{font-size:10px;flex-direction:column;gap:4px;bottom:16px}.footer-divider{display:none}.canvas-container,.viewer-container{padding-top:80px}.color-picker-container{bottom:50px;right:8px}.status-bar{font-size:9px;padding:6px 10px}}@media(max-width:480px){.canvas-container,.viewer-container{padding-top:70px}}:root{--carbon-black: #0a0a0a;--deep-grey: #1a1a1a;--dark-silver: #2a2a2a;--mid-grey: #3a3a3a;--light-grey: #5a5a5a;--text-primary: #e0e0e0;--text-secondary: #8a8a8a;--sentient-steel-blue: #8294A1;--cubeular-orange: #FF8700;--toolbar-bg: rgba(26, 26, 26, .85);--border-color: rgba(130, 148, 161, .3)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background-color:var(--carbon-black);color:var(--text-primary);overflow:hidden;height:100vh;width:100vw}#root{height:100%;width:100%}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--deep-grey)}::-webkit-scrollbar-thumb{background:var(--mid-grey);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--light-grey)}.mono{font-family:JetBrains Mono,monospace}