:root{--bg-dark: #0a0a0c;--accent: #6366f1;--accent-glow: rgba(99, 102, 241, .3);--text-primary: #f8fafc;--text-secondary: #94a3b8;--glass: rgba(255, 255, 255, .05);--glass-border: rgba(255, 255, 255, .1);--glass-blur: blur(12px)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Outfit,sans-serif;background-color:var(--bg-dark);color:var(--text-primary);overflow:hidden;height:100vh;width:100vw}#app{display:flex;flex-direction:column;height:100%;width:100%}header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 2rem;position:absolute;top:0;left:0;right:0;z-index:100;background:linear-gradient(to bottom,rgba(10,10,12,.8),transparent)}.logo{font-family:Playfair Display,serif;font-size:1.5rem;font-weight:700;letter-spacing:-.5px}.logo .accent{color:var(--accent)}.btn-upload{display:flex;align-items:center;gap:.5rem;background:var(--glass);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);padding:.6rem 1.2rem;border-radius:100px;cursor:pointer;transition:all .3s ease;font-weight:600;color:var(--text-primary)}.btn-upload:hover{background:var(--accent);box-shadow:0 0 20px var(--accent-glow);border-color:var(--accent)}main{flex:1;position:relative;overflow:hidden}#viewer-container{width:100%;height:100%;position:relative}#canvas-container{width:100%;height:100%;background-color:#000}#overlay{position:absolute;inset:0;pointer-events:none;display:flex;justify-content:center;align-items:center;z-index:10}.welcome-card{pointer-events:all;background:var(--glass);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);padding:3rem;border-radius:24px;text-align:center;max-width:500px;box-shadow:0 25px 50px -12px #00000080;animation:fadeIn .8s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.welcome-card h1{font-family:Playfair Display,serif;font-size:2.5rem;margin-bottom:1rem;background:linear-gradient(to right,#fff,#94a3b8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.welcome-card p{color:var(--text-secondary);margin-bottom:2rem;line-height:1.6}.welcome-actions{display:flex;gap:1rem;justify-content:center}.btn-primary{background:var(--accent);color:#fff;border:none;padding:.8rem 2rem;border-radius:100px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 20px var(--accent-glow)}.btn-secondary{background:transparent;color:#fff;border:1px solid var(--glass-border);padding:.8rem 2rem;border-radius:100px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.btn-secondary:hover{background:var(--glass);border-color:#fff}.viewer-ui{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:space-between;padding:2rem;pointer-events:none}.hint-text{align-self:center;background:#0006;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);padding:.5rem 1rem;border-radius:100px;font-size:.8rem;color:var(--text-secondary);margin-top:6rem}.viewer-actions{align-self:flex-end;pointer-events:all;display:flex;gap:1rem}.viewer-actions button{background:var(--glass);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);color:#fff;width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.viewer-actions button:hover{background:var(--glass-border);transform:scale(1.05)}footer{position:absolute;bottom:0;left:0;right:0;padding:1rem;text-align:center;z-index:100;pointer-events:none}footer p{font-size:.75rem;color:var(--text-secondary);opacity:.6}.loader-container{position:absolute;inset:0;background:var(--bg-dark);display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:50;gap:1.5rem}.loader{width:48px;height:48px;border:3px solid var(--glass-border);border-radius:50%;border-top-color:var(--accent);animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}#showcase-container{margin-top:2rem;padding-top:2rem;border-top:1px solid rgba(255,255,255,.1);width:100%}.showcase-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:1.5rem;margin-top:1rem}.showcase-item{cursor:pointer;background:var(--glass);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:12px;overflow:hidden;transition:all .3s ease;display:flex;flex-direction:column}.showcase-item:hover{transform:translateY(-8px);border-color:var(--accent);box-shadow:0 10px 20px #0000004d}.showcase-item img{width:100%;height:90px;object-fit:cover;border-bottom:1px solid var(--glass-border)}.showcase-item span{display:block;padding:.8rem;font-size:.8rem;font-weight:500;text-align:center;color:var(--text-primary)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.showcase-item{animation:fadeIn .5s ease forwards}.welcome-card{animation:fadeIn .8s ease-out}