@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Outfit:wght@400;500;700;800&display=swap";:root{--bg-dark: #0f1014;--bg-panel: #16181d;--bg-surface: #1e2028;--accent: #d97736;--accent-hover: #e88d50;--text-main: #f0f0f5;--text-muted: #8b8e9b;--border: #2a2d39;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 20px;--shadow-sm: 0 4px 12px rgba(0,0,0,.15);--shadow-md: 0 8px 24px rgba(0,0,0,.25);--shadow-glow: 0 0 20px rgba(217, 119, 54, .2)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,sans-serif;background-color:var(--bg-dark);color:var(--text-main);line-height:1.5;overflow:hidden}h1,h2,h3,h4,h5,h6{font-family:Outfit,sans-serif;font-weight:700}button{cursor:pointer;border:none;background:none;font-family:inherit;color:inherit}input,select,textarea{font-family:inherit;color:inherit}.app-container{display:flex;height:100vh;width:100vw;background:radial-gradient(circle at top left,#1a1a24 0%,var(--bg-dark) 100%)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.workspace{flex:1;position:relative;display:flex;align-items:center;justify-content:center;padding:20px;overflow:hidden}.canvas-wrapper{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:var(--bg-dark);border-radius:var(--radius-lg);box-shadow:inset 0 0 40px #00000080;border:1px solid var(--border);overflow:hidden}.mosaic-canvas{max-width:100%;max-height:100%;box-shadow:var(--shadow-md);border-radius:4px}.processing-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#0f101499;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:10}.spinner{width:40px;height:40px;border:3px solid rgba(217,119,54,.3);border-radius:50%;border-top-color:var(--accent);animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.sidebar{width:340px;min-width:340px;background:var(--bg-panel);border-left:1px solid var(--border);display:flex;flex-direction:column;padding:24px;overflow-y:auto;box-shadow:-10px 0 30px #00000080;z-index:10}.sidebar-header{margin-bottom:24px}.sidebar-header h2{font-size:24px;color:var(--accent);margin-bottom:4px}.sidebar-header p{color:var(--text-muted);font-size:14px}.sidebar-section{margin-bottom:24px;background:var(--bg-surface);padding:16px;border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.05)}.sidebar-section h3{font-size:13px;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-bottom:12px}.mode-toggle{display:flex;background:var(--bg-dark);border-radius:var(--radius-sm);padding:4px;margin-bottom:16px}.mode-toggle button{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:8px 12px;border-radius:4px;font-size:13px;font-weight:500;color:var(--text-muted);transition:all .2s}.mode-toggle button.active{background:var(--bg-panel);color:var(--text-main);box-shadow:var(--shadow-sm)}.input-group{margin-bottom:16px;display:flex;flex-direction:column;gap:8px}.input-group label{font-size:13px;color:var(--text-main)}.input-group input[type=text]{background:var(--bg-dark);border:1px solid var(--border);padding:10px 12px;border-radius:var(--radius-sm);color:#fff;outline:none;transition:border .2s}.input-group input[type=text]:focus{border-color:var(--accent)}.input-group input[type=range]{accent-color:var(--accent);width:100%}.upload-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:12px;background:var(--accent);color:#fff;border-radius:var(--radius-sm);font-weight:600;transition:background .2s,transform .1s}.upload-btn:hover{background:var(--accent-hover)}.upload-btn:active{transform:scale(.98)}.palette-toggles{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.palette-toggles button{padding:6px 12px;background:var(--bg-dark);border:1px solid var(--border);border-radius:20px;font-size:12px;color:var(--text-muted);transition:all .2s}.palette-toggles button.active{background:#d9773626;border-color:var(--accent);color:var(--accent)}.checkbox-label{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-main);cursor:pointer}.checkbox-label input{accent-color:var(--accent);width:16px;height:16px}.palette-display-container{flex:1;display:flex;flex-direction:column}.palette-grid-8x8{display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);width:100%;height:100%;background:var(--bg-dark);border:1px solid var(--border)}.palette-tile{width:100%;height:100%;background-size:cover;background-position:center;box-shadow:inset 0 0 1px #00000080;transition:transform .1s}.palette-tile:hover{transform:scale(1.5);z-index:5;box-shadow:0 4px 10px #00000080;position:relative}