@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap";:root{--color-bg-base:#090a0f;--color-bg-card:#14161eb3;--color-bg-hover:#222530cc;--color-text-primary:#fff;--color-text-secondary:#a1a6b4;--color-text-muted:#646a78;--color-accent:#3b82f6;--color-accent-hover:#60a5fa;--color-accent-glow:#3b82f680;--color-border:#ffffff1a;--color-border-hover:#fff3;--font-family-base:"Outfit", system-ui, -apple-system, sans-serif;--shadow-sm:0 1px 2px #000c;--shadow-md:0 4px 12px #00000080;--shadow-lg:0 12px 24px #0009;--shadow-glow:0 0 20px var(--color-accent-glow);--radius-sm:6px;--radius-md:12px;--radius-lg:16px;--radius-full:9999px;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-normal:.3s cubic-bezier(.4, 0, .2, 1);--transition-slow:.5s cubic-bezier(.4, 0, .2, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family-base);background-color:var(--color-bg-base);color:var(--color-text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;line-height:1.6;overflow-x:hidden}body:before{content:"";z-index:-1;pointer-events:none;background-image:radial-gradient(circle at 15%,#3b82f61a,#0000 25%),radial-gradient(circle at 85% 30%,#8b5cf61a,#0000 25%);width:100vw;height:100vh;position:fixed;top:0;left:0}a{color:var(--color-accent);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--color-accent-hover)}button{cursor:pointer;border:none;outline:none;font-family:inherit}.glass-panel{background:var(--color-bg-card);-webkit-backdrop-filter:blur(16px);border:1px solid var(--color-border);box-shadow:var(--shadow-md)}.btn-primary{color:#fff;border-radius:var(--radius-md);letter-spacing:.02em;transition:all var(--transition-fast);background:linear-gradient(135deg,#2563eb,#3b82f6);border:1px solid #ffffff1a;padding:.75rem 1.5rem;font-size:.95rem;font-weight:600;position:relative;overflow:hidden;box-shadow:0 4px 12px #2563eb4d}.btn-primary:after{content:"";opacity:0;width:100%;height:100%;transition:opacity var(--transition-fast);background:linear-gradient(#fff3,#0000);position:absolute;top:0;left:0}.btn-primary:hover{box-shadow:0 6px 16px #2563eb66, var(--shadow-glow);transform:translateY(-2px)}.btn-primary:hover:after{opacity:1}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{opacity:.7;cursor:not-allowed;transform:none}.btn-secondary{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--color-text-primary);border:1px solid var(--color-border);border-radius:var(--radius-md);letter-spacing:.02em;transition:all var(--transition-fast);background:#ffffff0d;padding:.75rem 1.5rem;font-size:.95rem;font-weight:600}.btn-secondary:hover{border-color:var(--color-border-hover);background:#ffffff1a;transform:translateY(-1px)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{border-radius:var(--radius-full);background:#ffffff1a}::-webkit-scrollbar-thumb:hover{background:#fff3}.app-container{flex-direction:column;height:100vh;display:flex;overflow:hidden}.app-header{-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--color-border);z-index:50;background:#090a0fb3;justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex}.app-main{flex-direction:row;flex:1;display:flex;position:relative;overflow:hidden}.visualizer-workspace{flex-direction:column;flex:1;justify-content:center;align-items:center;padding:2rem;display:flex;position:relative;overflow:hidden}.sidebar-panel{-webkit-backdrop-filter:blur(24px);border-left:1px solid var(--color-border);z-index:10;background:#0f111899;flex-direction:column;width:380px;height:100%;display:flex;overflow-y:auto;box-shadow:-10px 0 30px #0000004d}.sidebar-section{border-bottom:1px solid #ffffff0d;padding:1.5rem}.sidebar-title{letter-spacing:.02em;color:var(--color-text-primary);margin-bottom:1.25rem;font-size:1.15rem;font-weight:600}.upload-overlay{border:2px dashed var(--color-border);border-radius:var(--radius-lg);text-align:center;transition:all var(--transition-normal);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);cursor:pointer;background:#14161e66;width:100%;max-width:600px;padding:4rem 3rem;position:relative;overflow:hidden}.upload-overlay:before{content:"";opacity:0;transition:opacity var(--transition-normal);background:radial-gradient(circle,#3b82f61a 0%,#0000 70%);position:absolute;inset:0}.upload-overlay:hover{border-color:var(--color-accent);background:#14161eb3;transform:translateY(-2px);box-shadow:0 0 30px #3b82f626}.upload-overlay:hover:before{opacity:1}.option-grid{grid-template-columns:repeat(4,1fr);gap:.75rem;display:grid}.color-option{aspect-ratio:1;border-radius:var(--radius-full);cursor:pointer;transition:transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);border:2px solid #0000;box-shadow:0 2px 8px #00000080}.color-option:hover{transform:scale(1.15);box-shadow:0 5px 15px #0006}.color-option.active{box-shadow:0 0 0 2px var(--color-bg-base), 0 0 0 4px #fff;border-color:#fff;transform:scale(1.15)}.input-field{border-radius:var(--radius-md);border:1px solid var(--color-border);width:100%;color:var(--color-text-primary);transition:all var(--transition-fast);background:#0000004d;padding:.875rem 1rem;font-family:inherit;font-size:.95rem}.input-field:focus{border-color:var(--color-accent);background:#00000080;outline:none;box-shadow:0 0 0 3px #3b82f633}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn var(--transition-normal) forwards}@keyframes pulse-glow{0%{box-shadow:0 0 #3b82f666}70%{box-shadow:0 0 0 10px #3b82f600}to{box-shadow:0 0 #3b82f600}}.pulse-glow{animation:2s infinite pulse-glow}.tab-button{color:var(--color-text-secondary);transition:all var(--transition-fast);text-align:center;background:0 0;border-bottom:2px solid #0000;flex:1;padding:.75rem .5rem;font-size:.9rem;font-weight:600}.tab-button:hover{color:var(--color-text-primary);background:#ffffff08}.tab-button.active{color:var(--color-text-primary);border-bottom-color:var(--color-accent);background:linear-gradient(#0000,#3b82f61a)}