.btn{font-family:var(--font-body);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-glow),transform var(--transition-fast),background var(--transition-fast);white-space:nowrap;letter-spacing:-.01em;border:none;outline:none;justify-content:center;align-items:center;gap:.5rem;font-weight:600;display:inline-flex;position:relative;overflow:hidden}.btn:active{transform:scale(.98)}.btn:before{content:"";clip-path:polygon(0 0,100% 0,0 100%);opacity:.45;pointer-events:none;z-index:1;width:12px;height:12px;transition:opacity .3s,width .3s,height .3s,filter .3s;position:absolute;top:0;left:0}.btn:after{content:"";clip-path:polygon(100% 0,100% 100%,0 100%);opacity:.35;pointer-events:none;z-index:1;width:10px;height:10px;transition:opacity .3s,width .3s,height .3s,filter .3s;position:absolute;bottom:0;right:0}.btn-sm{padding:.5rem 1rem;font-size:.875rem}.btn-md{padding:.75rem 1.5rem;font-size:.9375rem}.btn-lg{padding:.875rem 2rem;font-size:1rem}.btn-xl{padding:1rem 2.5rem;font-size:1.125rem}.btn-primary{background:linear-gradient(135deg,var(--byte-orange)0%,var(--byte-orange-light)100%);color:#fff;box-shadow:var(--glow-orange-subtle)}.btn-primary:before{filter:drop-shadow(0 0 3px #fff3);background:#ffffff73}.btn-primary:after{background:#ffffff4d}.btn-primary:hover{box-shadow:var(--glow-orange-hover);transform:translateY(-2px)}.btn-primary:hover:before{opacity:1;filter:drop-shadow(0 0 6px #fff6);width:16px;height:16px}.btn-primary:hover:after{opacity:1;filter:drop-shadow(0 0 4px #ffffff4d);width:12px;height:12px}.btn-primary:focus-visible{box-shadow:var(--glow-orange-intense)}.btn-secondary{color:var(--byte-cyan);box-shadow:none;background:0 0;border:1.5px solid #27c2f266}.btn-secondary:before{filter:drop-shadow(0 0 3px #27c2f240);background:#27c2f299}.btn-secondary:after{background:#2563eb80}.btn-secondary:hover{border-color:var(--byte-cyan);box-shadow:var(--glow-cyan-subtle);background:#27c2f20f;transform:translateY(-2px)}.btn-secondary:hover:before{opacity:1;filter:drop-shadow(0 0 6px #27c2f273);width:16px;height:16px}.btn-secondary:hover:after{opacity:1;filter:drop-shadow(0 0 4px #2563eb59);width:12px;height:12px}.btn-secondary:focus-visible{box-shadow:var(--glow-cyan)}.btn-ghost{color:var(--byte-silver);box-shadow:none;background:0 0;border:none}.btn-ghost:before{background:#27c2f266}.btn-ghost:after{background:#2563eb40}.btn-ghost:hover{color:var(--byte-cyan);background:#27c2f20f}.btn-ghost:hover:before{opacity:1;filter:drop-shadow(0 0 4px #27c2f24d);width:14px;height:14px}.btn-ghost:hover:after{opacity:.8;width:10px;height:10px}